cmake_minimum_required(VERSION 3.16.0)

project(
  "AWS IoT Jobs OTA Handler Tests"
  VERSION 1.0.0
  LANGUAGES C)

# Allow the project to be organized into folders.
set_property(GLOBAL PROPERTY USE_FOLDERS ON)

if(NOT DEFINED CMAKE_C_STANDARD)
  set(CMAKE_C_STANDARD 99)
endif()
if(NOT DEFINED CMAKE_C_STANDARD_REQUIRED)
  set(CMAKE_C_STANDARD_REQUIRED ON)
endif()

# Do not allow in-source build.
if(${PROJECT_SOURCE_DIR} STREQUAL ${PROJECT_BINARY_DIR})
  message(
    FATAL_ERROR
      "In-source build is not allowed. Please build in a separate directory, such as ${PROJECT_SOURCE_DIR}/build."
  )
endif()

# Set global path variables.
get_filename_component(__MODULE_ROOT_DIR "${CMAKE_CURRENT_LIST_DIR}/.."
                       ABSOLUTE)
set(MODULE_ROOT_DIR
    ${__MODULE_ROOT_DIR}
    CACHE INTERNAL "coreOTA-Jobs-Handler repository root.")

include(FetchContent)

FetchContent_Declare(
  CMock
  GIT_REPOSITORY https://github.com/ThrowTheSwitch/CMock.git
  GIT_TAG ed29ce388f4478bda1bdfb274d371e961b671c2b)

FetchContent_Declare(
  CoreJSON
  # hash: sha256-r0lJff61NK2rPtO7Wr6RudFNQiLt1D4M30V7/p60Zi0=
  GIT_REPOSITORY https://github.com/FreeRTOS/coreJSON.git
  GIT_TAG a0cd6122745a879225bf459dd257e79bdd63d37a)

FetchContent_MakeAvailable(CMock CoreJSON)

add_library(
  unity STATIC
  "${cmock_SOURCE_DIR}/vendor/unity/src/unity.c"
  "${cmock_SOURCE_DIR}/vendor/unity/extras/fixture/src/unity_fixture.c"
  "${cmock_SOURCE_DIR}/vendor/unity/extras/memory/src/unity_memory.c")
target_include_directories(
  unity
  PUBLIC "${cmock_SOURCE_DIR}/vendor/unity/src"
         "${cmock_SOURCE_DIR}/vendor/unity/extras/fixture/src"
         "${cmock_SOURCE_DIR}/vendor/unity/extras/memory/src"
         "${cmock_SOURCE_DIR}/src")

set_target_properties(
  unity PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
                   POSITION_INDEPENDENT_CODE ON)

add_library(cmock STATIC)
target_sources(cmock PRIVATE ${cmock_SOURCE_DIR}/src/cmock.c)
target_include_directories(
  cmock
  PUBLIC "${cmock_SOURCE_DIR}/src"
         "${cmock_SOURCE_DIR}/vendor/unity/src/"
         "${cmock_SOURCE_DIR}/examples"
         "${cmock_SOURCE_DIR}/vendor/unity/extras/fixture/src"
         "${cmock_SOURCE_DIR}/vendor/unity/extras/memory/src")
set_target_properties(
  cmock
  PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib
             POSITION_INDEPENDENT_CODE ON
             COMPILE_FLAGS "-Og")

# coreJSON
include("${corejson_SOURCE_DIR}/jsonFilePaths.cmake")
add_library(coreJSON ${JSON_SOURCES})
target_include_directories(coreJSON PUBLIC ${JSON_INCLUDE_PUBLIC_DIRS})

# ====================================  Test Configuration
# ========================================

# Use CTest utility for managing test runs. This has to be added BEFORE defining
# test targets with add_test()
enable_testing()

# Add function to enable CMock based tests and coverage.
include(${MODULE_ROOT_DIR}/tools/cmock/create_test.cmake)

# Include build configuration for unit tests.
add_subdirectory(unit-test)

# ==================================== Coverage Analysis configuration
# ========================================

# Add a target for running coverage on tests.
add_custom_target(
  coverage
  COMMAND ${CMAKE_COMMAND} -DCMOCK_DIR=${cmock_SOURCE_DIR} -P
          ${MODULE_ROOT_DIR}/tools/cmock/coverage.cmake
  DEPENDS cmock unity ota_job_handler_utest job_parser_utest
  WORKING_DIRECTORY ${CMAKE_BINARY_DIR})