fix: logging module

go.mod

@@ -6,14 +6,44 @@ toolchain go1.23.7
 
 require golang.org/x/crypto v0.36.0
 
+require github.com/zenazn/pkcs7pad v0.0.0-20170308005700-253a5b1f0e03 // indirect
+
 require (
+	cloud.google.com/go v0.119.0 // indirect
+	cloud.google.com/go/auth v0.15.0 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.7 // indirect
+	cloud.google.com/go/compute/metadata v0.6.0 // indirect
+	cloud.google.com/go/iam v1.4.1 // indirect
+	cloud.google.com/go/pubsub v1.48.0
+	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/google/s2a-go v0.1.9 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/googleapis/enterprise-certificate-proxy v0.3.5 // indirect
+	github.com/googleapis/gax-go/v2 v2.14.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/rs/zerolog v1.33.0 // indirect
-	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
+	go.opencensus.io v0.24.0 // indirect
-)
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.59.0 // indirect
-require (
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.59.0 // indirect
+	go.opentelemetry.io/otel v1.34.0 // indirect
+	go.opentelemetry.io/otel/metric v1.34.0 // indirect
+	go.opentelemetry.io/otel/trace v1.34.0 // indirect
+	golang.org/x/net v0.35.0 // indirect
+	golang.org/x/oauth2 v0.28.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
 	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/time v0.11.0 // indirect
+	google.golang.org/api v0.224.0 // indirect
+	google.golang.org/genproto v0.0.0-20250303144028-a0af3efb3deb // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250227231956-55c901821b1e // indirect
+	google.golang.org/grpc v1.71.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -1,24 +1,178 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.119.0 h1:tw7OjErMzJKbbjaEHkrt60KQrK5Wus/boCZ7tm5/RNE=
+cloud.google.com/go v0.119.0/go.mod h1:fwB8QLzTcNevxqi8dcpR+hoMIs3jBherGS9VUBDAW08=
+cloud.google.com/go/auth v0.15.0 h1:Ly0u4aA5vG/fsSsxu98qCQBemXtAtJf+95z9HK+cxps=
+cloud.google.com/go/auth v0.15.0/go.mod h1:WJDGqZ1o9E9wKIL+IwStfyn/+s59zl4Bi+1KQNVXLZ8=
+cloud.google.com/go/auth/oauth2adapt v0.2.7 h1:/Lc7xODdqcEw8IrZ9SvwnlLX6j9FHQM74z6cBk9Rw6M=
+cloud.google.com/go/auth/oauth2adapt v0.2.7/go.mod h1:NTbTTzfvPl1Y3V1nPpOgl2w6d/FjO7NNUQaWSox6ZMc=
+cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
+cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
+cloud.google.com/go/iam v1.4.1 h1:cFC25Nv+u5BkTR/BT1tXdoF2daiVbZ1RLx2eqfQ9RMM=
+cloud.google.com/go/iam v1.4.1/go.mod h1:2vUEJpUG3Q9p2UdsyksaKpDzlwOrnMzS30isdReIcLM=
+cloud.google.com/go/pubsub v1.48.0 h1:ntFpQVrr10Wj/GXSOpxGmexGynldv/bFp25H0jy8aOs=
+cloud.google.com/go/pubsub v1.48.0/go.mod h1:AAtyjyIT/+zaY1ERKFJbefOvkUxRDNp3nD6TdfdqUZk=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
 golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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pkg/log/log.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strconv"
 	"sync"
 	"time"
@@ -115,10 +116,26 @@ func getLogger(config Config) (zerolog.Logger, error) {
 			writers = append(writers, os.Stdout)
 		case File:
 			filePath := dest.Config["path"]
-			fmt.Printf("writing test log to file: %v\n", filePath)
+			dir := filepath.Dir(filePath)
+			if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+				return newLogger, fmt.Errorf("failed to create log directory: %v", err)
+			}
+
+			fmt.Printf("writing test log to file: %v\n", config)
 			lumberjackLogger := &lumberjack.Logger{
 				Filename:   filePath,
+				MaxSize:    500, // Default size in MB if not overridden
+				MaxBackups: 15,  // Number of backups
+				MaxAge:     30,  // Days to retain
+				Compress:   false,
 			}
+			absPath, err := filepath.Abs(filePath)
+			if err != nil {
+				return newLogger, fmt.Errorf("failed to get absolute path: %v", err)
+			}
+			fmt.Printf("Attempting to write logs to: %s\n", absPath)
+			lumberjackLogger.Filename = absPath
+
 			setConfigValue := func(key string, target *int) {
 				if valStr, ok := dest.Config[key]; ok {
 					if val, err := strconv.Atoi(valStr); err == nil {
@@ -132,12 +149,15 @@ func getLogger(config Config) (zerolog.Logger, error) {
 			if compress, ok := dest.Config["compress"]; ok {
 				lumberjackLogger.Compress = compress == "true"
 			}
-			Info(context.Background(), "here")
 			writers = append(writers, lumberjackLogger)
-
 		}
 	}
 	multiwriter := io.MultiWriter(writers...)
+	defer func() {
+		if closer, ok := multiwriter.(io.Closer); ok {
+			closer.Close()
+		}
+	}()
 	newLogger = zerolog.New(multiwriter).
 		Level(logLevels[config.level]).
 		With().
@@ -155,10 +175,10 @@ func InitLogger(c Config) error {
 	}
 
 	var initErr error
-	once.Do(func() {
+	// once.Do(func() {
 
 	logger, initErr = getLogger(c)
-	})
+	// })
 	return initErr
 }
 func Debug(ctx context.Context, msg string) {
@@ -221,6 +241,7 @@ func logEvent(ctx context.Context, level zerolog.Level, msg string, err error) {
 	if err != nil {
 		event = event.Err(err)
 	}
+	// fmt.Print("=======>", event, ctx)
 	addCtx(ctx, event)
 	event.Msg(msg)
 }

pkg/log/log_tes1.go

@@ -0,0 +1,301 @@
+package log
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/rs/zerolog"
+)
+
+func TestLogFunctions(t *testing.T) {
+	testConfig := Config{
+		level: DebugLevel,
+		destinations: []Destination{
+			{Type: Stdout},
+		},
+		contextKeys: []any{"userID", "requestID"},
+	}
+	err := InitLogger(testConfig)
+	if err != nil {
+		t.Fatalf("Failed to initialize logger: %v", err)
+	}
+
+	tests := []struct {
+		name           string
+		logFunc        func(ctx context.Context)
+		expectedOutput string
+	}{
+		{
+			name: "Debug log with context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Debug(ctx, "debug message")
+			},
+			expectedOutput: `{"level":"debug","requestID":"12345","message":"debug message"}`,
+		},
+		{
+			name: "Debugf with context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Debugf(ctx, "formatted %s", "debug message")
+			},
+			expectedOutput: `{"level":"debug","requestID":"12345","message":"formatted debug message"}`,
+		},
+		{
+			name: "Info log with message",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Info(ctx, "info message")
+			},
+			expectedOutput: `{"level":"info","requestID":"12345","message":"info message"}`,
+		},
+
+		{
+			name: "Info log with formatted message",
+			logFunc: func(ctx context.Context) {
+				Infof(ctx, "formatted %s", "info message")
+			},
+			expectedOutput: `{"level":"info","message":"formatted info message"}`,
+		},
+		{
+			name: "Warn log with context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Warn(ctx, "warning message")
+			},
+			expectedOutput: `{"level":"warn","requestID":"12345","message":"warning message"}`,
+		},
+		{
+			name: "Warnf with context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Warnf(ctx, "formatted %s", "warning message")
+			},
+			expectedOutput: `{"level":"warn","requestID":"12345","message":"formatted warning message"}`,
+		},
+		{
+			name: "Error log with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var userID ctxKey = "userID"
+
+				ctx = context.WithValue(ctx, userID, "67890")
+				Error(ctx, errors.New("something went wrong"), "error message")
+			},
+			expectedOutput: `{"level":"error","userID":"67890","error":"something went wrong","message":"error message"}`,
+		},
+		{
+			name: "Errorf with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var userID ctxKey = "userID"
+
+				ctx = context.WithValue(ctx, userID, "67890")
+				Errorf(ctx, errors.New("something went wrong"), "formatted %s", "error message")
+			},
+			expectedOutput: `{"level":"error","userID":"67890","error":"something went wrong","message":"formatted error message"}`,
+		},
+		{
+			name: "Fatal log with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Fatal(ctx, errors.New("fatal error"), "fatal message")
+			},
+			expectedOutput: `{"level":"fatal","requestID":"12345","error":"fatal error","message":"fatal message"}`,
+		},
+		{
+			name: "Fatalf with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var requestID ctxKey = "requestID"
+
+				ctx = context.WithValue(ctx, requestID, "12345")
+				Fatalf(ctx, errors.New("fatal error"), "formatted %s", "fatal message")
+			},
+			expectedOutput: `{"level":"fatal","requestID":"12345","error":"fatal error","message":"formatted fatal message"}`,
+		},
+		{
+			name: "Panic log with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var userID ctxKey = "userID"
+
+				ctx = context.WithValue(ctx, userID, "67890")
+				Panic(ctx, errors.New("panic error"), "panic message")
+			},
+			expectedOutput: `{"level":"panic","userID":"67890","error":"panic error","message":"panic message"}`,
+		},
+		{
+			name: "Panicf with error and context",
+			logFunc: func(ctx context.Context) {
+				type ctxKey any
+				var userID ctxKey = "userID"
+
+				ctx = context.WithValue(ctx, userID, "67890")
+				Panicf(ctx, errors.New("panic error"), "formatted %s", "panic message")
+			},
+			expectedOutput: `{"level":"panic","userID":"67890","error":"panic error","message":"formatted panic message"}`,
+		},
+		{
+			name: "Request log",
+			logFunc: func(ctx context.Context) {
+				req, _ := http.NewRequest("GET", "http://example.com", nil)
+				req.RemoteAddr = "127.0.0.1:8080"
+				Request(ctx, req, []byte("request body"))
+			},
+			expectedOutput: `{"level":"info","method":"GET","url":"http://example.com","body":"request body","remoteAddr":"127.0.0.1:8080","message":"HTTP Request"}`,
+		},
+		{
+			name: "Response log",
+			logFunc: func(ctx context.Context) {
+				req, _ := http.NewRequest("GET", "http://example.com", nil)
+				Response(ctx, req, 200, 100*time.Millisecond)
+			},
+			expectedOutput: `{"level":"info","method":"GET","url":"http://example.com","statusCode":200,"responseTime":100,"message":"HTTP Response"}`,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			var buf bytes.Buffer
+			logger = zerolog.New(&buf).With().Timestamp().Logger()
+			tt.logFunc(context.Background())
+			output := buf.String()
+			t.Logf("Log output: %s", output)
+			lines := strings.Split(strings.TrimSpace(output), "\n")
+			if len(lines) == 0 {
+				t.Fatal("No log output found")
+			}
+			lastLine := lines[len(lines)-1]
+			var logOutput map[string]interface{}
+			if err := json.Unmarshal([]byte(lastLine), &logOutput); err != nil {
+				t.Fatalf("Failed to unmarshal log output: %v", err)
+			}
+			delete(logOutput, "time")
+			delete(logOutput, "caller")
+			var expectedOutput map[string]interface{}
+			if err := json.Unmarshal([]byte(tt.expectedOutput), &expectedOutput); err != nil {
+				t.Fatalf("Failed to unmarshal expected output: %v", err)
+			}
+			for key, expectedValue := range expectedOutput {
+				actualValue, ok := logOutput[key]
+				if !ok {
+					t.Errorf("Expected key %q not found in log output", key)
+					continue
+				}
+				if actualValue != expectedValue {
+					t.Errorf("Mismatch for key %q: expected %v, got %v", key, expectedValue, actualValue)
+				}
+			}
+		})
+	}
+}
+func TestDestinationValidation(t *testing.T) {
+	tests := []struct {
+		name          string
+		config        Config
+		expectedError error
+	}{
+		// Missing `path` for File destination
+		{
+			name: "Missing file path",
+			config: Config{
+				level: InfoLevel,
+				destinations: []Destination{
+					{
+						Type: File,
+						Config: map[string]string{
+							"maxSize":    "500",
+							"maxBackups": "15",
+							"maxAge":     "30",
+						},
+					},
+				},
+			},
+			expectedError: ErrMissingFilePath,
+		},
+		{
+			name: "Invalid maxAge",
+			config: Config{
+				level: InfoLevel,
+				destinations: []Destination{
+					{
+						Type: File,
+						Config: map[string]string{
+							"path":       "log/app.txt",
+							"maxSize":    "500",
+							"maxBackups": "15",
+							"maxAge":     "invalid",
+						},
+					},
+				},
+			},
+			expectedError: errors.New("invalid maxAge"),
+		},
+		{
+			name: "Valid file destination",
+			config: Config{
+				level: InfoLevel,
+				destinations: []Destination{
+					{
+						Type: File,
+						Config: map[string]string{
+							"path":       "log/app.txt",
+							"maxSize":    "500",
+							"maxBackups": "15",
+							"maxAge":     "30",
+						},
+					},
+				},
+			},
+			expectedError: nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			fmt.Print(tt.config)
+			err := InitLogger(tt.config)
+			if (err == nil && tt.expectedError != nil) || (err != nil && tt.expectedError == nil) {
+				t.Errorf("Expected error: %v, got: %v", tt.expectedError, err)
+			} else if err != nil && tt.expectedError != nil && !strings.Contains(err.Error(), tt.expectedError.Error()) {
+				t.Errorf("Expected error to contain: %v, got: %v", tt.expectedError, err)
+			}
+
+			// ✅ Send a test log to verify file write
+			logger.Info().Msg("This is a test log message")
+
+			// ✅ Optional: Check if the file was created
+			filePath := tt.config.destinations[0].Config["path"]
+			if _, err := os.Stat(filePath); os.IsNotExist(err) {
+				t.Errorf("Log file was not created at %s", filePath)
+			} else {
+				fmt.Printf("Log file created at: %s\n", filePath)
+			}
+		})
+	}
+}

pkg/log/log_test.go

@@ -1,289 +1,421 @@
 package log
 
 import (
+	"bufio"
 	"bytes"
-	"context"
-	"encoding/json"
-	"errors"
 	"fmt"
 	"net/http"
-	"strings"
-	"testing"
 	"time"
 
-	"github.com/rs/zerolog"
+	// "bytes"
+	// "fmt"
+	// "net/http"
+	// "time"
+	"context"
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
 )
 
-func TestLogFunctions(t *testing.T) {
+const testLogFilePath = "./test_logs/test.log"
-	testConfig := Config{
+
-		level: DebugLevel,
+type ctxKey any
+
+var requestID ctxKey = "requestID"
+var userID ctxKey = "userID"
+
+func setupLogger(t *testing.T, l Level) string {
+	dir := filepath.Dir(testLogFilePath)
+	err := os.MkdirAll(dir, os.ModePerm)
+	if err != nil {
+		t.Fatalf("failed to create test log directory: %v", err)
+	}
+
+	config := Config{
+		level: l,
 		destinations: []Destination{
-			{Type: Stdout},
+			{
+				Type: File,
+				Config: map[string]string{
+					"path":      testLogFilePath,
+					"maxSize":   "1",
+					"maxAge":    "1",
+					"maxBackup": "1",
+					"compress":  "false",
+				},
+			},
 		},
 		contextKeys: []any{"userID", "requestID"},
 	}
-	err := InitLogger(testConfig)
+
+	err = InitLogger(config)
 	if err != nil {
-		t.Fatalf("Failed to initialize logger: %v", err)
+		t.Fatalf("failed to initialize logger: %v", err)
 	}
 
-	tests := []struct {
+	return testLogFilePath
-		name           string
+}
-		logFunc        func(ctx context.Context)
-		expectedOutput string
-	}{
-		{
-			name: "Debug log with context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
 
-				ctx = context.WithValue(ctx, requestID, "12345")
+func readLogFile(t *testing.T, logPath string) []string {
-				Debug(ctx, "debug message")
+	file, err := os.Open(logPath)
-			},
+	if err != nil {
-			expectedOutput: `{"level":"debug","requestID":"12345","message":"debug message"}`,
+		t.Fatalf("failed to open log file: %v", err)
-		},
-		{
-			name: "Debugf with context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Debugf(ctx, "formatted %s", "debug message")
-			},
-			expectedOutput: `{"level":"debug","requestID":"12345","message":"formatted debug message"}`,
-		},
-		{
-			name: "Info log with message",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Info(ctx, "info message")
-			},
-			expectedOutput: `{"level":"info","requestID":"12345","message":"info message"}`,
-		},
-
-		{
-			name: "Info log with formatted message",
-			logFunc: func(ctx context.Context) {
-				Infof(ctx, "formatted %s", "info message")
-			},
-			expectedOutput: `{"level":"info","message":"formatted info message"}`,
-		},
-		{
-			name: "Warn log with context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Warn(ctx, "warning message")
-			},
-			expectedOutput: `{"level":"warn","requestID":"12345","message":"warning message"}`,
-		},
-		{
-			name: "Warnf with context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Warnf(ctx, "formatted %s", "warning message")
-			},
-			expectedOutput: `{"level":"warn","requestID":"12345","message":"formatted warning message"}`,
-		},
-		{
-			name: "Error log with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var userID ctxKey = "userID"
-
-				ctx = context.WithValue(ctx, userID, "67890")
-				Error(ctx, errors.New("something went wrong"), "error message")
-			},
-			expectedOutput: `{"level":"error","userID":"67890","error":"something went wrong","message":"error message"}`,
-		},
-		{
-			name: "Errorf with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var userID ctxKey = "userID"
-
-				ctx = context.WithValue(ctx, userID, "67890")
-				Errorf(ctx, errors.New("something went wrong"), "formatted %s", "error message")
-			},
-			expectedOutput: `{"level":"error","userID":"67890","error":"something went wrong","message":"formatted error message"}`,
-		},
-		{
-			name: "Fatal log with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Fatal(ctx, errors.New("fatal error"), "fatal message")
-			},
-			expectedOutput: `{"level":"fatal","requestID":"12345","error":"fatal error","message":"fatal message"}`,
-		},
-		{
-			name: "Fatalf with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var requestID ctxKey = "requestID"
-
-				ctx = context.WithValue(ctx, requestID, "12345")
-				Fatalf(ctx, errors.New("fatal error"), "formatted %s", "fatal message")
-			},
-			expectedOutput: `{"level":"fatal","requestID":"12345","error":"fatal error","message":"formatted fatal message"}`,
-		},
-		{
-			name: "Panic log with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var userID ctxKey = "userID"
-
-				ctx = context.WithValue(ctx, userID, "67890")
-				Panic(ctx, errors.New("panic error"), "panic message")
-			},
-			expectedOutput: `{"level":"panic","userID":"67890","error":"panic error","message":"panic message"}`,
-		},
-		{
-			name: "Panicf with error and context",
-			logFunc: func(ctx context.Context) {
-				type ctxKey any
-				var userID ctxKey = "userID"
-
-				ctx = context.WithValue(ctx, userID, "67890")
-				Panicf(ctx, errors.New("panic error"), "formatted %s", "panic message")
-			},
-			expectedOutput: `{"level":"panic","userID":"67890","error":"panic error","message":"formatted panic message"}`,
-		},
-		{
-			name: "Request log",
-			logFunc: func(ctx context.Context) {
-				req, _ := http.NewRequest("GET", "http://example.com", nil)
-				req.RemoteAddr = "127.0.0.1:8080"
-				Request(ctx, req, []byte("request body"))
-			},
-			expectedOutput: `{"level":"info","method":"GET","url":"http://example.com","body":"request body","remoteAddr":"127.0.0.1:8080","message":"HTTP Request"}`,
-		},
-		{
-			name: "Response log",
-			logFunc: func(ctx context.Context) {
-				req, _ := http.NewRequest("GET", "http://example.com", nil)
-				Response(ctx, req, 200, 100*time.Millisecond)
-			},
-			expectedOutput: `{"level":"info","method":"GET","url":"http://example.com","statusCode":200,"responseTime":100,"message":"HTTP Response"}`,
-		},
 	}
-	for _, tt := range tests {
+	defer file.Close()
-		t.Run(tt.name, func(t *testing.T) {
+
-			var buf bytes.Buffer
+	var lines []string
-			logger = zerolog.New(&buf).With().Timestamp().Logger()
+	scanner := bufio.NewScanner(file)
-			tt.logFunc(context.Background())
+	for scanner.Scan() {
-			output := buf.String()
+		lines = append(lines, scanner.Text())
-			t.Logf("Log output: %s", output)
+	}
-			lines := strings.Split(strings.TrimSpace(output), "\n")
+
+	if err := scanner.Err(); err != nil {
+		t.Fatalf("failed to read log file: %v", err)
+	}
+
+	return lines
+}
+
+func parseLogLine(t *testing.T, line string) map[string]interface{} {
+	var logEntry map[string]interface{}
+	err := json.Unmarshal([]byte(line), &logEntry)
+	if err != nil {
+		t.Fatalf("failed to parse log entry: %v", err)
+	}
+	return logEntry
+}
+
+func TestDebug(t *testing.T) {
+	logPath := setupLogger(t, DebugLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Debug(ctx, "Debug message")
+	lines := readLogFile(t, logPath)
+
 	if len(lines) == 0 {
-				t.Fatal("No log output found")
+		t.Fatal("No logs were written.")
 	}
-			lastLine := lines[len(lines)-1]
+	var found bool
-			var logOutput map[string]interface{}
+	for _, line := range lines {
-			if err := json.Unmarshal([]byte(lastLine), &logOutput); err != nil {
+		logEntry := parseLogLine(t, line)
-				t.Fatalf("Failed to unmarshal log output: %v", err)
+		if logEntry["level"] == "debug" && strings.Contains(logEntry["message"].(string), "Debug message") {
-			}
+			found = true
-			delete(logOutput, "time")
+			break
-			delete(logOutput, "caller")
-			var expectedOutput map[string]interface{}
-			if err := json.Unmarshal([]byte(tt.expectedOutput), &expectedOutput); err != nil {
-				t.Fatalf("Failed to unmarshal expected output: %v", err)
-			}
-			for key, expectedValue := range expectedOutput {
-				actualValue, ok := logOutput[key]
-				if !ok {
-					t.Errorf("Expected key %q not found in log output", key)
-					continue
-				}
-				if actualValue != expectedValue {
-					t.Errorf("Mismatch for key %q: expected %v, got %v", key, expectedValue, actualValue)
 		}
 	}
-		})
+	if !found {
+		t.Errorf("expected Debug message, but it was not found in logs")
 	}
 }
-func TestDestinationValidation(t *testing.T) {
+
-	tests := []struct {
+func TestInfo(t *testing.T) {
-		name          string
+	logPath := setupLogger(t, InfoLevel)
-		config        Config
+	ctx := context.WithValue(context.Background(), userID, "12345")
-		expectedError error
+	Info(ctx, "Info message")
-	}{
+	lines := readLogFile(t, logPath)
-		// Missing `path` for File destination
+
-		{
+	if len(lines) == 0 {
-			name: "Missing file path",
+		t.Fatal("No logs were written.")
-			config: Config{
-				level: InfoLevel,
-				destinations: []Destination{
-					{
-						Type: File,
-						Config: map[string]string{
-							"maxSize":    "500",
-							"maxBackups": "15",
-							"maxAge":     "30",
-						},
-					},
-				},
-			},
-			expectedError: ErrMissingFilePath,
-		},
-		{
-			name: "Invalid maxAge",
-			config: Config{
-				level: InfoLevel,
-				destinations: []Destination{
-					{
-						Type: File,
-						Config: map[string]string{
-							"path":       "log/app.txt",
-							"maxSize":    "500",
-							"maxBackups": "15",
-							"maxAge":     "invalid",
-						},
-					},
-				},
-			},
-			expectedError: errors.New("invalid maxAge"),
-		},
-		{
-			name: "Valid file destination",
-			config: Config{
-				level: InfoLevel,
-				destinations: []Destination{
-					{
-						Type: File,
-						Config: map[string]string{
-							"path":       "log/app.txt",
-							"maxSize":    "500",
-							"maxBackups": "15",
-							"maxAge":     "30",
-						},
-					},
-				},
-			},
-			expectedError: nil,
-		},
 	}
-	for _, tt := range tests {
+	var found bool
-		t.Run(tt.name, func(t *testing.T) {
+	for _, line := range lines {
-			fmt.Print(tt.config)
+		logEntry := parseLogLine(t, line)
-			err := InitLogger(tt.config)
+		if logEntry["level"] == "info" && strings.Contains(logEntry["message"].(string), "Info message") {
-			if (err == nil && tt.expectedError != nil) || (err != nil && tt.expectedError == nil) {
+			found = true
-				t.Errorf("Expected error: %v, got: %v", tt.expectedError, err)
+			break
-			} else if err != nil && tt.expectedError != nil && !strings.Contains(err.Error(), tt.expectedError.Error()) {
-				t.Errorf("Expected error to contain: %v, got: %v", tt.expectedError, err)
 		}
-		})
+	}
+
+	if !found {
+		t.Errorf("expected Info message, but it was not found in logs")
+	}
+}
+
+func TestWarn(t *testing.T) {
+	logPath := setupLogger(t, WarnLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Warn(ctx, "Warning message")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "warn" && strings.Contains(logEntry["message"].(string), "Warning message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Warning message, but it was not found in logs")
+	}
+}
+
+func TestError(t *testing.T) {
+	logPath := setupLogger(t, ErrorLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Error(ctx, fmt.Errorf("test error"), "Error message")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "error" && strings.Contains(logEntry["message"].(string), "Error message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Error message, but it was not found in logs")
+	}
+}
+
+func TestRequest(t *testing.T) {
+	logPath := setupLogger(t, InfoLevel)
+	ctx := context.WithValue(context.Background(), requestID, "abc-123")
+	req, _ := http.NewRequest("POST", "/api/test", bytes.NewBuffer([]byte(`{"key":"value"}`)))
+	req.RemoteAddr = "127.0.0.1:8080"
+	Request(ctx, req, []byte(`{"key":"value"}`))
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "debug" && strings.Contains(logEntry["message"].(string), "Debugf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected formatted debug message, but it was not found in logs")
+	}
+}
+
+func TestResponse(t *testing.T) {
+	logPath := setupLogger(t, InfoLevel)
+	ctx := context.WithValue(context.Background(), requestID, "abc-123")
+	req, _ := http.NewRequest("GET", "/api/test", nil)
+	Response(ctx, req, 200, time.Millisecond*123)
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "debug" && strings.Contains(logEntry["message"].(string), "Debugf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected formatted debug message, but it was not found in logs")
+	}
+}
+
+func TestFatal(t *testing.T) {
+	logPath := setupLogger(t, FatalLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Fatal(ctx, fmt.Errorf("fatal error"), "Fatal message")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "fatal" && strings.Contains(logEntry["message"].(string), "Fatal message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Fatal message, but it was not found in logs")
+	}
+}
+
+func TestPanic(t *testing.T) {
+	logPath := setupLogger(t, PanicLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Panic(ctx, fmt.Errorf("panic error"), "Panic message")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "panic" && strings.Contains(logEntry["message"].(string), "Panic message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Panic message, but it was not found in logs")
+	}
+}
+
+func TestDebugf(t *testing.T) {
+	logPath := setupLogger(t, DebugLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Debugf(ctx, "Debugf message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "debug" && strings.Contains(logEntry["message"].(string), "Debugf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected formatted debug message, but it was not found in logs")
+	}
+}
+
+func TestInfof(t *testing.T) {
+	logPath := setupLogger(t, InfoLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Infof(ctx, "Infof message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "info" && strings.Contains(logEntry["message"].(string), "Infof message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Infof message, but it was not found in logs")
+	}
+}
+
+
+
+func TestWarnf(t *testing.T) {
+	logPath := setupLogger(t, WarnLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	Warnf(ctx, "Warnf message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "warn" && strings.Contains(logEntry["message"].(string), "Warnf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Warnf message, but it was not found in logs")
+	}
+}
+
+
+func TestErrorf(t *testing.T) {
+	logPath := setupLogger(t, ErrorLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	err := fmt.Errorf("error message")
+	Errorf(ctx, err, "Errorf message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "error" && strings.Contains(logEntry["message"].(string), "Errorf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Errorf message, but it was not found in logs")
+	}
+}
+
+
+func TestFatalf(t *testing.T) {
+	logPath := setupLogger(t, FatalLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	err := fmt.Errorf("fatal error")
+	Fatalf(ctx, err, "Fatalf message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "fatal" && strings.Contains(logEntry["message"].(string), "Fatalf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Fatalf message, but it was not found in logs")
+	}
+}
+
+
+
+func TestPanicf(t *testing.T) {
+	logPath := setupLogger(t, PanicLevel)
+	ctx := context.WithValue(context.Background(), userID, "12345")
+	err := fmt.Errorf("panic error")
+	Panicf(ctx, err, "Panicf message: %s", "test")
+	lines := readLogFile(t, logPath)
+
+	if len(lines) == 0 {
+		t.Fatal("No logs were written.")
+	}
+	var found bool
+	for _, line := range lines {
+		logEntry := parseLogLine(t, line)
+		if logEntry["level"] == "panic" && strings.Contains(logEntry["message"].(string), "Panicf message") {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		t.Errorf("expected Panicf message, but it was not found in logs")
 	}
 }

pkg/plugin/definition/decrypter.go

@@ -0,0 +1,15 @@
+package definition
+
+import "context"
+
+// Decrypter defines the methods for decryption.
+type Decrypter interface {
+	// Decrypt decrypts the given body using the provided privateKeyBase64 and publicKeyBase64.
+	Decrypt(ctx context.Context, encryptedData string, privateKeyBase64, publicKeyBase64 string) (string, error)
+}
+
+// DecrypterProvider initializes a new decrypter instance with the given config.
+type DecrypterProvider interface {
+	// New creates a new decrypter instance based on the provided config.
+	New(ctx context.Context, config map[string]string) (Decrypter, func() error, error)
+}

pkg/plugin/definition/encrypter.go

@@ -0,0 +1,15 @@
+package definition
+
+import "context"
+
+// Encrypter defines the methods for encryption.
+type Encrypter interface {
+	// Encrypt encrypts the given body using the provided privateKeyBase64 and publicKeyBase64.
+	Encrypt(ctx context.Context, data string, privateKeyBase64, publicKeyBase64 string) (string, error)
+}
+
+// EncrypterProvider initializes a new encrypter instance with the given config.
+type EncrypterProvider interface {
+	// New creates a new encrypter instance based on the provided config.
+	New(ctx context.Context, config map[string]string) (Encrypter, func() error, error)
+}

pkg/plugin/definition/publisher.go

@@ -0,0 +1,16 @@
+package definition
+
+import "context"
+
+// Publisher defines the general publisher interface for messaging plugins.
+type Publisher interface {
+	// Publish sends a message (as a byte slice) using the underlying messaging system.
+	Publish(ctx context.Context, msg []byte) error
+
+	Close() error // Important for releasing resources.
+}
+
+type PublisherProvider interface {
+	// New initializes a new publisher instance with the given configuration.
+	New(ctx context.Context, config map[string]string) (Publisher, error)
+}

pkg/plugin/implementation/decrypter/cmd/plugin.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"context"
+
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
+	decrypter "github.com/beckn/beckn-onix/pkg/plugin/implementation/decrypter"
+)
+
+// DecrypterProvider implements the definition.DecrypterProvider interface.
+type DecrypterProvider struct{}
+
+// New creates a new Decrypter instance using the provided configuration.
+func (dp DecrypterProvider) New(ctx context.Context, config map[string]string) (definition.Decrypter, func() error, error) {
+	return decrypter.New(ctx)
+}
+
+// Provider is the exported symbol that the plugin manager will look for.
+var Provider definition.DecrypterProvider = DecrypterProvider{}

pkg/plugin/implementation/decrypter/cmd/plugin_test.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"context"
+	"testing"
+)
+
+func TestDecrypterProviderSuccess(t *testing.T) {
+	tests := []struct {
+		name   string
+		ctx    context.Context
+		config map[string]string
+	}{
+		{
+			name:   "Valid context with empty config",
+			ctx:    context.Background(),
+			config: map[string]string{},
+		},
+		{
+			name:   "Valid context with non-empty config",
+			ctx:    context.Background(),
+			config: map[string]string{"key": "value"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			provider := DecrypterProvider{}
+			decrypter, cleanup, err := provider.New(tt.ctx, tt.config)
+
+			// Check error.
+			if err != nil {
+				t.Errorf("New() error = %v, want no error", err)
+			}
+
+			// Check decrypter.
+			if decrypter == nil {
+				t.Error("New() decrypter is nil, want non-nil")
+			}
+
+			// Test cleanup function if it exists.
+			if cleanup != nil {
+				if err := cleanup(); err != nil {
+					t.Errorf("cleanup() error = %v", err)
+				}
+			}
+		})
+	}
+}

pkg/plugin/implementation/decrypter/decrypter.go

@@ -0,0 +1,85 @@
+package decryption
+
+import (
+	"context"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ecdh"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/zenazn/pkcs7pad"
+)
+
+// decrypter implements the Decrypter interface and handles the decryption process.
+type decrypter struct {
+}
+
+// New creates a new decrypter instance with the given configuration.
+func New(ctx context.Context) (*decrypter, func() error, error) {
+	return &decrypter{}, nil, nil
+}
+
+// Decrypt decrypts the given encryptedData using the provided privateKeyBase64 and publicKeyBase64.
+func (d *decrypter) Decrypt(ctx context.Context, encryptedData, privateKeyBase64, publicKeyBase64 string) (string, error) {
+	privateKeyBytes, err := base64.StdEncoding.DecodeString(privateKeyBase64)
+	if err != nil {
+		return "", fmt.Errorf("invalid private key: %w", err)
+	}
+
+	publicKeyBytes, err := base64.StdEncoding.DecodeString(publicKeyBase64)
+	if err != nil {
+		return "", fmt.Errorf("invalid public key: %w", err)
+	}
+
+	// Decode the Base64 encoded encrypted data.
+	messageByte, err := base64.StdEncoding.DecodeString(encryptedData)
+	if err != nil {
+		return "", fmt.Errorf("failed to decode encrypted data: %w", err)
+	}
+
+	aesCipher, err := createAESCipher(privateKeyBytes, publicKeyBytes)
+	if err != nil {
+		return "", fmt.Errorf("failed to create AES cipher: %w", err)
+	}
+
+	blocksize := aesCipher.BlockSize()
+	if len(messageByte)%blocksize != 0 {
+		return "", fmt.Errorf("ciphertext is not a multiple of the blocksize")
+	}
+
+	for i := 0; i < len(messageByte); i += aesCipher.BlockSize() {
+		executionSlice := messageByte[i : i+aesCipher.BlockSize()]
+		aesCipher.Decrypt(executionSlice, executionSlice)
+	}
+
+	messageByte, err = pkcs7pad.Unpad(messageByte)
+	if err != nil {
+		return "", fmt.Errorf("failed to unpad data: %w", err)
+	}
+
+	return string(messageByte), nil
+}
+
+func createAESCipher(privateKey, publicKey []byte) (cipher.Block, error) {
+	x25519Curve := ecdh.X25519()
+	x25519PrivateKey, err := x25519Curve.NewPrivateKey(privateKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create private key: %w", err)
+	}
+	x25519PublicKey, err := x25519Curve.NewPublicKey(publicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create public key: %w", err)
+	}
+	sharedSecret, err := x25519PrivateKey.ECDH(x25519PublicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to derive shared secret: %w", err)
+	}
+
+	aesCipher, err := aes.NewCipher(sharedSecret)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create AES cipher: %w", err)
+	}
+
+	return aesCipher, nil
+}

pkg/plugin/implementation/decrypter/decrypter_test.go

@@ -0,0 +1,251 @@
+package decryption
+
+import (
+	"context"
+	"crypto/aes"
+	"crypto/ecdh"
+	"crypto/rand"
+	"encoding/base64"
+	"strings"
+	"testing"
+
+	"github.com/zenazn/pkcs7pad"
+)
+
+// Helper function to generate valid test keys.
+func generateTestKeys(t *testing.T) (privateKeyB64, publicKeyB64 string) {
+	curve := ecdh.X25519()
+	privateKey, err := curve.GenerateKey(rand.Reader)
+	if err != nil {
+		t.Fatalf("Failed to generate private key: %v", err)
+	}
+
+	publicKey := privateKey.PublicKey()
+	privateKeyB64 = base64.StdEncoding.EncodeToString(privateKey.Bytes())
+	publicKeyB64 = base64.StdEncoding.EncodeToString(publicKey.Bytes())
+
+	return privateKeyB64, publicKeyB64
+}
+
+// Helper function to encrypt test data.
+func encryptTestData(t *testing.T, data []byte, privateKeyBase64, publicKeyBase64 string) string {
+	privateKeyBytes, err := base64.StdEncoding.DecodeString(privateKeyBase64)
+	if err != nil {
+		t.Fatalf("Invalid private key: %v", err)
+	}
+
+	publicKeyBytes, err := base64.StdEncoding.DecodeString(publicKeyBase64)
+	if err != nil {
+		t.Fatalf("Invalid public key: %v", err)
+	}
+
+	x25519Curve := ecdh.X25519()
+	x25519PrivateKey, err := x25519Curve.NewPrivateKey(privateKeyBytes)
+	if err != nil {
+		t.Fatalf("Failed to create private key: %v", err)
+	}
+	x25519PublicKey, err := x25519Curve.NewPublicKey(publicKeyBytes)
+	if err != nil {
+		t.Fatalf("Failed to create public key: %v", err)
+	}
+
+	// Generate shared secret for encryption.
+	sharedSecret, err := x25519PrivateKey.ECDH(x25519PublicKey)
+	if err != nil {
+		t.Fatalf("Failed to create shared secret: %v", err)
+	}
+
+	// Create AES cipher.
+	block, err := aes.NewCipher(sharedSecret)
+	if err != nil {
+		t.Fatalf("Failed to create AES cipher: %v", err)
+	}
+
+	// Pad the data.
+	paddedData := pkcs7pad.Pad(data, block.BlockSize())
+
+	// Encrypt the data.
+	ciphertext := make([]byte, len(paddedData))
+	for i := 0; i < len(paddedData); i += block.BlockSize() {
+		block.Encrypt(ciphertext[i:i+block.BlockSize()], paddedData[i:i+block.BlockSize()])
+	}
+
+	return base64.StdEncoding.EncodeToString(ciphertext)
+}
+
+// TestDecrypterSuccess tests successful decryption scenarios.
+func TestDecrypterSuccess(t *testing.T) {
+	senderPrivateKeyB64, senderPublicKeyB64 := generateTestKeys(t)
+	receiverPrivateKeyB64, receiverPublicKeyB64 := generateTestKeys(t)
+
+	tests := []struct {
+		name string
+		data []byte
+	}{
+		{
+			name: "Valid decryption with small data",
+			data: []byte("test"),
+		},
+		{
+			name: "Valid decryption with medium data",
+			data: []byte("medium length test data that spans multiple blocks"),
+		},
+		{
+			name: "Valid decryption with empty data",
+			data: []byte{},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Encrypt the test data.
+			encryptedData := encryptTestData(t, tt.data, senderPrivateKeyB64, receiverPublicKeyB64)
+
+			decrypter, _, err := New(context.Background())
+			if err != nil {
+				t.Fatalf("Failed to create decrypter: %v", err)
+			}
+
+			result, err := decrypter.Decrypt(context.Background(), encryptedData, receiverPrivateKeyB64, senderPublicKeyB64)
+			if err != nil {
+				t.Errorf("Decrypt() error = %v", err)
+			}
+
+			if err == nil {
+				if result != string(tt.data) {
+					t.Errorf("Decrypt() = %v, want %v", result, string(tt.data))
+				}
+			}
+		})
+	}
+}
+
+// TestDecrypterFailure tests various failure scenarios.
+func TestDecrypterFailure(t *testing.T) {
+	_, senderPublicKeyB64 := generateTestKeys(t)
+	receiverPrivateKeyB64, _ := generateTestKeys(t)
+
+	tests := []struct {
+		name          string
+		encryptedData string
+		privateKey    string
+		publicKey     string
+		expectedErr   string
+	}{
+		{
+			name:          "Invalid private key format",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    "invalid-base64!@#$",
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "invalid private key",
+		},
+		{
+			name:          "Invalid public key format",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     "invalid-base64!@#$",
+			expectedErr:   "invalid public key",
+		},
+		{
+			name:          "Invalid encrypted data format",
+			encryptedData: "invalid-base64!@#$",
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "failed to decode encrypted data",
+		},
+		{
+			name:          "Empty private key",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    "",
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "invalid private key",
+		},
+		{
+			name:          "Empty public key",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     "",
+			expectedErr:   "invalid public key",
+		},
+		{
+			name:          "Invalid base64 data",
+			encryptedData: "=invalid-base64", // Invalid encrypted data.
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "failed to decode encrypted data",
+		},
+		{
+			name:          "Invalid private key size",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    base64.StdEncoding.EncodeToString([]byte("short")),
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "failed to create private key",
+		},
+		{
+			name:          "Invalid public key size",
+			encryptedData: base64.StdEncoding.EncodeToString(make([]byte, 32)),
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     base64.StdEncoding.EncodeToString([]byte("short")),
+			expectedErr:   "failed to create public key",
+		},
+		{
+			name:          "Invalid block size",
+			encryptedData: base64.StdEncoding.EncodeToString([]byte("not-block-size")),
+			privateKey:    receiverPrivateKeyB64,
+			publicKey:     senderPublicKeyB64,
+			expectedErr:   "ciphertext is not a multiple of the blocksize",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			decrypter, _, err := New(context.Background())
+			if err != nil {
+				t.Fatalf("Failed to create decrypter: %v", err)
+			}
+
+			_, err = decrypter.Decrypt(context.Background(), tt.encryptedData, tt.privateKey, tt.publicKey)
+			if err == nil {
+				t.Error("Expected error but got none")
+			}
+
+			if err != nil {
+				if !strings.Contains(err.Error(), tt.expectedErr) {
+					t.Errorf("Expected error containing %q, got %q", tt.expectedErr, err.Error())
+				}
+			}
+		})
+	}
+}
+
+// TestNewDecrypter tests the creation of new Decrypter instances.
+func TestNewDecrypter(t *testing.T) {
+	tests := []struct {
+		name string
+		ctx  context.Context
+	}{
+		{
+			name: "Valid context",
+			ctx:  context.Background(),
+		},
+		{
+			name: "Nil context",
+			ctx:  nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			decrypter, _, err := New(tt.ctx)
+			if err != nil {
+				t.Errorf("New() error = %v", err)
+			}
+
+			if err == nil {
+				if decrypter == nil {
+					t.Error("Expected non-nil decrypter")
+				}
+			}
+		})
+	}
+}

pkg/plugin/implementation/encrypter/cmd/plugin.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"context"
+
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
+	"github.com/beckn/beckn-onix/pkg/plugin/implementation/encrypter"
+)
+
+// EncrypterProvider implements the definition.EncrypterProvider interface.
+type EncrypterProvider struct{}
+
+func (ep EncrypterProvider) New(ctx context.Context, config map[string]string) (definition.Encrypter, func() error, error) {
+	return encrypter.New(ctx)
+}
+
+// Provider is the exported symbol that the plugin manager will look for.
+var Provider definition.EncrypterProvider = EncrypterProvider{}

pkg/plugin/implementation/encrypter/cmd/plugin_test.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"context"
+	"testing"
+)
+
+func TestEncrypterProviderSuccess(t *testing.T) {
+	tests := []struct {
+		name   string
+		ctx    context.Context
+		config map[string]string
+	}{
+		{
+			name:   "Valid empty config",
+			ctx:    context.Background(),
+			config: map[string]string{},
+		},
+		{
+			name: "Valid config with algorithm",
+			ctx:  context.Background(),
+			config: map[string]string{
+				"algorithm": "AES",
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create provider and encrypter.
+			provider := EncrypterProvider{}
+			encrypter, cleanup, err := provider.New(tt.ctx, tt.config)
+			if err != nil {
+				t.Fatalf("EncrypterProvider.New() error = %v", err)
+			}
+			if encrypter == nil {
+				t.Fatal("EncrypterProvider.New() returned nil encrypter")
+			}
+			defer func() {
+				if cleanup != nil {
+					if err := cleanup(); err != nil {
+						t.Errorf("Cleanup() error = %v", err)
+					}
+				}
+			}()
+
+		})
+	}
+}

pkg/plugin/implementation/encrypter/encrypter.go

@@ -0,0 +1,70 @@
+package encrypter
+
+import (
+	"context"
+	"crypto/aes"
+	"crypto/cipher"
+	"crypto/ecdh"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/zenazn/pkcs7pad"
+)
+
+// encrypter implements the Encrypter interface and handles the encryption process.
+type encrypter struct {
+}
+
+// New creates a new encrypter instance with the given configuration.
+func New(ctx context.Context) (*encrypter, func() error, error) {
+	return &encrypter{}, nil, nil
+}
+
+func (e *encrypter) Encrypt(ctx context.Context, data string, privateKeyBase64, publicKeyBase64 string) (string, error) {
+	privateKeyBytes, err := base64.StdEncoding.DecodeString(privateKeyBase64)
+	if err != nil {
+		return "", fmt.Errorf("invalid private key: %w", err)
+	}
+
+	publicKeyBytes, err := base64.StdEncoding.DecodeString(publicKeyBase64)
+	if err != nil {
+		return "", fmt.Errorf("invalid public key: %w", err)
+	}
+
+	// Convert the input string to a byte slice.
+	dataByte := []byte(data)
+	aesCipher, err := createAESCipher(privateKeyBytes, publicKeyBytes)
+	if err != nil {
+		return "", fmt.Errorf("failed to create AES cipher: %w", err)
+	}
+
+	dataByte = pkcs7pad.Pad(dataByte, aesCipher.BlockSize())
+	for i := 0; i < len(dataByte); i += aesCipher.BlockSize() {
+		aesCipher.Encrypt(dataByte[i:i+aesCipher.BlockSize()], dataByte[i:i+aesCipher.BlockSize()])
+	}
+
+	return base64.StdEncoding.EncodeToString(dataByte), nil
+}
+
+func createAESCipher(privateKey, publicKey []byte) (cipher.Block, error) {
+	x25519Curve := ecdh.X25519()
+	x25519PrivateKey, err := x25519Curve.NewPrivateKey(privateKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create private key: %w", err)
+	}
+	x25519PublicKey, err := x25519Curve.NewPublicKey(publicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create public key: %w", err)
+	}
+	sharedSecret, err := x25519PrivateKey.ECDH(x25519PublicKey)
+	if err != nil {
+		return nil, fmt.Errorf("failed to derive shared secret: %w", err)
+	}
+
+	aesCipher, err := aes.NewCipher(sharedSecret)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create AES cipher: %w", err)
+	}
+
+	return aesCipher, nil
+}

pkg/plugin/implementation/encrypter/encrypter_test.go

@@ -0,0 +1,183 @@
+package encrypter
+
+import (
+	"context"
+	"crypto/ecdh"
+	"crypto/rand"
+	"encoding/base64"
+	"strings"
+	"testing"
+)
+
+// Helper function to generate a test X25519 key pair.
+func generateTestKeyPair(t *testing.T) (string, string) {
+	curve := ecdh.X25519()
+	privateKey, err := curve.GenerateKey(rand.Reader)
+	if err != nil {
+		t.Fatalf("Failed to generate private key: %v", err)
+	}
+
+	publicKeyBytes := privateKey.PublicKey().Bytes()
+	// Encode public and private key to base64.
+	publicKeyBase64 := base64.StdEncoding.EncodeToString(publicKeyBytes)
+	privateKeyBase64 := base64.StdEncoding.EncodeToString(privateKey.Bytes())
+
+	return publicKeyBase64, privateKeyBase64
+}
+
+// TestEncryptSuccess tests successful encryption scenarios.
+func TestEncryptSuccess(t *testing.T) {
+	_, privateKey := generateTestKeyPair(t)
+	peerpublicKey, _ := generateTestKeyPair(t)
+
+	tests := []struct {
+		name    string
+		data    string
+		pubKey  string
+		privKey string
+	}{
+		{
+			name:    "Valid short message",
+			data:    "Hello, World!",
+			pubKey:  peerpublicKey,
+			privKey: privateKey,
+		},
+		{
+			name:    "Valid JSON message",
+			data:    `{"key":"value"}`,
+			pubKey:  peerpublicKey,
+			privKey: privateKey,
+		},
+		{
+			name:    "Valid empty message",
+			data:    "",
+			pubKey:  peerpublicKey,
+			privKey: privateKey,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			encrypter := &encrypter{}
+			encrypted, err := encrypter.Encrypt(context.Background(), tt.data, tt.privKey, tt.pubKey)
+			if err != nil {
+				t.Errorf("Encrypt() expected no error, but got: %v", err)
+			}
+
+			// Verify the encrypted data is valid base64.
+			_, err = base64.StdEncoding.DecodeString(encrypted)
+			if err != nil {
+				t.Errorf("Encrypt() output is not valid base64: %v", err)
+			}
+
+			// Since we can't decrypt without the ephemeral private key,
+			// we can only verify that encryption doesn't return empty data.
+			if encrypted == "" {
+				t.Error("Encrypt() returned empty string")
+			}
+
+			// Verify the output is different from input (basic encryption check).
+			if encrypted == tt.data {
+				t.Error("Encrypt() output matches input, suggesting no encryption occurred")
+			}
+
+		})
+	}
+}
+
+// TestEncryptFailure tests encryption failure scenarios.
+func TestEncryptFailure(t *testing.T) {
+	// Generate a valid key pair for testing.
+	_, privateKey := generateTestKeyPair(t)
+	peerpublicKey, _ := generateTestKeyPair(t)
+
+	tests := []struct {
+		name          string
+		data          string
+		publicKey     string
+		privKey       string
+		errorContains string
+	}{
+		{
+			name:          "Invalid public key format",
+			data:          "test data",
+			publicKey:     "invalid-base64!@#$",
+			privKey:       privateKey,
+			errorContains: "invalid public key",
+		},
+		{
+			name:          "Invalid key bytes(public key)",
+			data:          "test data",
+			publicKey:     base64.StdEncoding.EncodeToString([]byte("invalid-key-bytes")),
+			privKey:       privateKey,
+			errorContains: "failed to create public key",
+		},
+		{
+			name:          "Invalid key bytes(private key)",
+			data:          "test data",
+			publicKey:     peerpublicKey,
+			privKey:       base64.StdEncoding.EncodeToString([]byte("invalid-key-bytes")),
+			errorContains: "failed to create private key",
+		},
+		{
+			name:          "Empty public key",
+			data:          "test data",
+			publicKey:     "",
+			privKey:       privateKey,
+			errorContains: "invalid public key",
+		},
+		{
+			name:          "Too short key",
+			data:          "test data",
+			publicKey:     base64.StdEncoding.EncodeToString([]byte{1, 2, 3, 4}),
+			privKey:       privateKey,
+			errorContains: "failed to create public key",
+		},
+		{
+			name:          "Invalid private key",
+			data:          "test data",
+			publicKey:     peerpublicKey,
+			privKey:       "invalid-base64!@#$",
+			errorContains: "invalid private key",
+		},
+		{
+			name:          "Empty private key",
+			data:          "test data",
+			publicKey:     peerpublicKey,
+			privKey:       "",
+			errorContains: "invalid private key",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			encrypter := &encrypter{}
+			_, err := encrypter.Encrypt(context.Background(), tt.data, tt.privKey, tt.publicKey)
+			if err != nil && !strings.Contains(err.Error(), tt.errorContains) {
+				t.Errorf("Encrypt() error = %v, want error containing %q", err, tt.errorContains)
+			}
+		})
+	}
+}
+
+// TestNew tests the creation of new encrypter instances.
+func TestNew(t *testing.T) {
+	tests := []struct {
+		name string
+		ctx  context.Context
+	}{
+		{
+			name: "Success",
+			ctx:  context.Background(),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			encrypter, _, err := New(tt.ctx)
+			if err == nil && encrypter == nil {
+				t.Error("New() returned nil encrypter")
+			}
+		})
+	}
+}

pkg/plugin/implementation/signVerifier/cmd/plugin.go

@@ -4,17 +4,16 @@ import (
 	"context"
 	"errors"
 
-	"github.com/beckn/beckn-onix/shared/plugin/definition"
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
 
-	plugin "github.com/beckn/beckn-onix/shared/plugin/definition"
+	verifier "github.com/beckn/beckn-onix/pkg/plugin/implementation/signVerifier"
-	verifier "github.com/beckn/beckn-onix/shared/plugin/implementation/signVerifier"
 )
 
 // VerifierProvider provides instances of Verifier.
 type VerifierProvider struct{}
 
 // New initializes a new Verifier instance.
-func (vp VerifierProvider) New(ctx context.Context, config map[string]string) (plugin.Verifier, func() error, error) {
+func (vp VerifierProvider) New(ctx context.Context, config map[string]string) (definition.Verifier, func() error, error) {
 	if ctx == nil {
 		return nil, nil, errors.New("context cannot be nil")
 	}

pkg/plugin/implementation/signer/cmd/plugin.go

@@ -4,8 +4,8 @@ import (
 	"context"
 	"errors"
 
-	"github.com/beckn/beckn-onix/shared/plugin/definition"
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
-	"github.com/beckn/beckn-onix/shared/plugin/implementation/signer"
+	"github.com/beckn/beckn-onix/pkg/plugin/implementation/signer"
 )
 
 // SignerProvider implements the definition.SignerProvider interface.

pkg/plugin/manager.go

@@ -7,7 +7,7 @@ import (
 	"plugin"
 	"strings"
 
-	"github.com/beckn/beckn-onix/shared/plugin/definition"
+	"github.com/beckn/beckn-onix/pkg/plugin/definition"
 )
 
 // Config represents the plugin manager configuration.
@@ -15,6 +15,9 @@ type Config struct {
 	Root      string       `yaml:"root"`
 	Signer    PluginConfig `yaml:"signer"`
 	Verifier  PluginConfig `yaml:"verifier"`
+	Decrypter PluginConfig `yaml:"decrypter"`
+	Encrypter PluginConfig `yaml:"encrypter"`
+	Publisher PluginConfig `yaml:"publisher"`
 }
 
 // PluginConfig represents configuration details for a plugin.
@@ -27,6 +30,9 @@ type PluginConfig struct {
 type Manager struct {
 	sp  definition.SignerProvider
 	vp  definition.VerifierProvider
+	dp  definition.DecrypterProvider
+	ep  definition.EncrypterProvider
+	pb  definition.PublisherProvider
 	cfg *Config
 }
 
@@ -36,19 +42,37 @@ func NewManager(ctx context.Context, cfg *Config) (*Manager, error) {
 		return nil, fmt.Errorf("configuration cannot be nil")
 	}
 
-	// Load signer plugin
+	// Load signer plugin.
 	sp, err := provider[definition.SignerProvider](cfg.Root, cfg.Signer.ID)
 	if err != nil {
 		return nil, fmt.Errorf("failed to load signer plugin: %w", err)
 	}
 
-	// Load verifier plugin
+	// Load publisher plugin.
+	pb, err := provider[definition.PublisherProvider](cfg.Root, cfg.Publisher.ID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load publisher plugin: %w", err)
+	}
+
+	// Load verifier plugin.
 	vp, err := provider[definition.VerifierProvider](cfg.Root, cfg.Verifier.ID)
 	if err != nil {
 		return nil, fmt.Errorf("failed to load Verifier plugin: %w", err)
 	}
 
-	return &Manager{sp: sp, vp: vp, cfg: cfg}, nil
+	// Load decrypter plugin.
+	dp, err := provider[definition.DecrypterProvider](cfg.Root, cfg.Decrypter.ID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load Decrypter plugin: %w", err)
+	}
+
+	// Load encryption plugin.
+	ep, err := provider[definition.EncrypterProvider](cfg.Root, cfg.Encrypter.ID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to load encryption plugin: %w", err)
+	}
+
+	return &Manager{sp: sp, vp: vp, pb: pb, ep: ep, dp: dp, cfg: cfg}, nil
 }
 
 // provider loads a plugin dynamically and retrieves its provider instance.
@@ -106,3 +130,42 @@ func (m *Manager) Verifier(ctx context.Context) (definition.Verifier, func() err
 	}
 	return Verifier, close, nil
 }
+
+// Decrypter retrieves the decryption plugin instance.
+func (m *Manager) Decrypter(ctx context.Context) (definition.Decrypter, func() error, error) {
+	if m.dp == nil {
+		return nil, nil, fmt.Errorf("decrypter plugin provider not loaded")
+	}
+
+	decrypter, close, err := m.dp.New(ctx, m.cfg.Decrypter.Config)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to initialize Decrypter: %w", err)
+	}
+	return decrypter, close, nil
+}
+
+// Encrypter retrieves the encryption plugin instance.
+func (m *Manager) Encrypter(ctx context.Context) (definition.Encrypter, func() error, error) {
+	if m.ep == nil {
+		return nil, nil, fmt.Errorf("encryption plugin provider not loaded")
+	}
+
+	encrypter, close, err := m.ep.New(ctx, m.cfg.Encrypter.Config)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to initialize encrypter: %w", err)
+	}
+	return encrypter, close, nil
+}
+
+// Publisher retrieves the publisher plugin instance.
+func (m *Manager) Publisher(ctx context.Context) (definition.Publisher, error) {
+	if m.pb == nil {
+		return nil, fmt.Errorf("publisher plugin provider not loaded")
+	}
+
+	publisher, err := m.pb.New(ctx, m.cfg.Publisher.Config)
+	if err != nil {
+		return nil, fmt.Errorf("failed to initialize publisher: %w", err)
+	}
+	return publisher, nil
+}