# SPDX-License-Identifier: Apache-2.0
# stripped down version of the 2.1.2 recipe in the bazel-central-registry
# by UebelAndre, licensed Apache-2.0 https://github.com/bazelbuild/bazel-central-registry/blob/4c39e836b6db6c1f83f27e3c79a8a9f03fb1b292/modules/mosquitto/2.1.2/overlay/BUILD.bazel
# adapted to mosquitto 2.0.22
load("@bazel_skylib//rules:common_settings.bzl", "bool_flag")
load("@bazel_skylib//rules:copy_file.bzl", "copy_file")
load("@bazel_skylib//rules:write_file.bzl", "write_file")
load("@rules_cc//cc:cc_binary.bzl", "cc_binary")
load("@rules_cc//cc:cc_library.bzl", "cc_library")

###############################################################################
# Common build settings
###############################################################################

COMMON_COPTS = select({
    "//conditions:default": [
        "-std=gnu99",
        "-w",
    ],
})

COMMON_DEFINES = [
    "CMAKE",
    'VERSION=\\"2.0.22\\"',
    "OPENSSL_API_COMPAT=0x10100000L",
] + select({
    "//conditions:default": [
        "WITH_UNIX_SOCKETS",
    ],
})

PLUGIN_LINKOPTS = select({
    "//conditions:default": [],
})

###############################################################################
# config_header
###############################################################################

copy_file(
    name = "config_header_gen",
    src = "config.h",
    out = "config_inc/config.h",
)

cc_library(
    name = "config_header",
    hdrs = ["config_inc/config.h"],
    includes = ["config_inc"],
    visibility = ["//:__subpackages__"],
)

###############################################################################
# Bundled dependencies (uthash, utlist)
###############################################################################

cc_library(
    name = "bundled_deps",
    hdrs = [
        "deps/uthash.h",
        "deps/utlist.h",
    ],
    includes = ["deps"],
    visibility = ["//:__subpackages__"],
)

###############################################################################
# mosquitto_common -- shared utility library (libcommon/)
###############################################################################

cc_library(
    name = "mosquitto_common",
    srcs = [],
    hdrs = glob([
        "include/*.h",
    ]),
    copts = COMMON_COPTS,
    includes = [
        "include",
        "libcommon",
    ],
    local_defines = COMMON_DEFINES + select({
        "//conditions:default": [],
    }),
    visibility = ["//:__subpackages__"],
    deps = [
        ":bundled_deps",
        ":config_header",
        "@everest-core//third-party/bazel/openssl:ssl",
    ] + select({
        "//conditions:default": [],
    }),
)

###############################################################################
# libmosquitto -- MQTT client library (lib/)
###############################################################################

cc_library(
    name = "mosquitto",
    srcs = glob(
        [
            "lib/*.c",
            "lib/*.h",
        ],
    ),
    hdrs = glob([
        "include/*.h",
    ]),
    copts = COMMON_COPTS,
    includes = [
        "common",
        "include",
        "lib",
        "libcommon",
    ],
    linkopts = select({
        "//conditions:default": [
            "-lpthread",
        ],
    }),
    local_defines = COMMON_DEFINES + [
    ] + select({
        "//conditions:default": ["WITH_THREADING"],
    }) + select({
        "//conditions:default": [],
    }),
    visibility = ["//visibility:public"],
    deps = [
        ":bundled_deps",
        ":config_header",
        ":mosquitto_common",
        "@everest-core//third-party/bazel/openssl:ssl",
    ] + select({
        "//conditions:default": [],
    }),
)