cmake_minimum_required(VERSION 3.25)
project(GlucoseMonitor C)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

add_executable(glucose_monitor src/main.c libs/log.c/src/log.c)

# Find the pkg-config package
find_package(PkgConfig REQUIRED)

# Use pkg-config to find cJSON
pkg_check_modules(CJSON REQUIRED libcjson)

# Use pkg-config to find curl
pkg_check_modules(LIBCURL REQUIRED libcurl)

# Use pkg-config to find inih
pkg_check_modules(INIH REQUIRED inih)

# Link against the cJSON library
target_link_libraries(glucose_monitor PRIVATE ${LIBCURL_LIBRARIES} ${CJSON_LIBRARIES} ${INIH_LIBRARIES})

# Include cJSON's include directories
target_include_directories(
	glucose_monitor
	PRIVATE
	libs/log.c/src
	${LIBCURL_LIBRARIES}
	${CJSON_INCLUDE_DIRS}
	${INIH_INCLUDE_DIRS}
)

if(ENABLE_SSD1305_DISPLAY)
	target_compile_definitions(glucose_monitor PRIVATE ENABLE_SSD1305_DISPLAY)

	target_sources(
		glucose_monitor
		PRIVATE
		libs/waveshare-ssd1305/OLED/ssd1305.c
		libs/waveshare-ssd1305/Config/DEV_Config.h
	)

    include_directories(
		libs/waveshare-ssd1305/OLED/
		libs/waveshare-ssd1305/Config/
	)

	set(SSD1305_WAVESHARE_LIB_SRC libs/waveshare-ssd1305/OLED/ssd1305.c)
	add_library(SSD1305_WAVESHARE_LIB STATIC ${SSD1305_WAVESHARE_LIB_SRC})
	target_compile_definitions(SSD1305_WAVESHARE_LIB PRIVATE USE_DEV_LIB)
	target_compile_definitions(SSD1305_WAVESHARE_LIB PRIVATE USE_SPI)

	set(CONFIG_WAVESHARE_LIB_SRC libs/waveshare-ssd1305/Config/DEV_Config.c)
	add_library(CONFIG_WAVESHARE_LIB STATIC ${CONFIG_WAVESHARE_LIB_SRC})
	target_compile_definitions(CONFIG_WAVESHARE_LIB PRIVATE USE_DEV_LIB)
	target_compile_definitions(CONFIG_WAVESHARE_LIB PRIVATE USE_SPI)

	target_link_libraries(glucose_monitor PRIVATE m SSD1305_WAVESHARE_LIB CONFIG_WAVESHARE_LIB)

	find_library(LGPIO_LIBRARY lgpio)
	if(LGPIO_LIBRARY)
		message(STATUS "Found lgpio library at: ${LGPIO_LIBRARY}")
		target_link_libraries(glucose_monitor PRIVATE lgpio)
		link_directories(${LGPIO_INCLUDE_DIR})
	else()
		message(ERROR "lgpio library not found")
	endif()
endif()