cmake_minimum_required(VERSION 3.16)
project(Tasmota)

# Find PlatformIO executable
find_program(PLATFORMIO_CMD NAMES pio platformio)
if(NOT PLATFORMIO_CMD)
    message(FATAL_ERROR "PlatformIO not found. Please install PlatformIO CLI.")
endif()

message(STATUS "Found PlatformIO: ${PLATFORMIO_CMD}")

# Set default environment
set(PIO_ENV "tasmota" CACHE STRING "PlatformIO environment to build")

# Create a dummy target for CLion to parse
add_custom_target(tasmota_dummy ALL
    COMMAND ${CMAKE_COMMAND} -E echo "Use PlatformIO targets to build"
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)

# PlatformIO build target
add_custom_target(pio_build
    COMMAND ${PLATFORMIO_CMD} run -e ${PIO_ENV}
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Building PlatformIO environment: ${PIO_ENV}"
)

# PlatformIO clean target
add_custom_target(pio_clean
    COMMAND ${PLATFORMIO_CMD} run -e ${PIO_ENV} -t clean
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Cleaning PlatformIO environment: ${PIO_ENV}"
)

# PlatformIO upload target
add_custom_target(pio_upload
    COMMAND ${PLATFORMIO_CMD} run -e ${PIO_ENV} -t upload
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Uploading PlatformIO environment: ${PIO_ENV}"
)

# PlatformIO monitor target
add_custom_target(pio_monitor
    COMMAND ${PLATFORMIO_CMD} device monitor
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Starting PlatformIO serial monitor"
)

# Common Tasmota environments as separate targets
set(TASMOTA_ENVS
    tasmota
    tasmota32
    tasmota-minimal
    tasmota-sensors
    tasmota-display
    tasmota-ir
)

foreach(env ${TASMOTA_ENVS})
    add_custom_target(build_${env}
        COMMAND ${PLATFORMIO_CMD} run -e ${env}
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        COMMENT "Building ${env}"
    )
endforeach()

# Generate compile_commands.json for code intelligence
add_custom_target(generate_compile_commands
    COMMAND ${PLATFORMIO_CMD} run -t compiledb -e ${PIO_ENV}
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    COMMENT "Generating compile_commands.json"
)

# Parse source files for CLion indexing (using tasmota directory)
file(GLOB_RECURSE TASMOTA_SOURCES
    "${CMAKE_SOURCE_DIR}/tasmota/*.ino"
    "${CMAKE_SOURCE_DIR}/tasmota/*.cpp"
    "${CMAKE_SOURCE_DIR}/tasmota/*.c"
    "${CMAKE_SOURCE_DIR}/tasmota/*.h"
)

# Create a library target for indexing (won't actually build)
if(TASMOTA_SOURCES)
    add_library(tasmota_indexing EXCLUDE_FROM_ALL ${TASMOTA_SOURCES})
    set_target_properties(tasmota_indexing PROPERTIES LINKER_LANGUAGE CXX)
    target_include_directories(tasmota_indexing PRIVATE
        ${CMAKE_SOURCE_DIR}/tasmota
        ${CMAKE_SOURCE_DIR}/tasmota/include
    )

    # Set some basic defines for indexing
    target_compile_definitions(tasmota_indexing PRIVATE
        ARDUINO=10816
        ARDUINO_ARCH_ESP8266
        ESP8266
        TASMOTA
    )
endif()

message(STATUS "CMake wrapper for PlatformIO configured")
message(STATUS "Available targets:")
message(STATUS "  - pio_build: Build default environment (${PIO_ENV})")
message(STATUS "  - pio_clean: Clean build files")
message(STATUS "  - pio_upload: Upload firmware to device")
message(STATUS "  - pio_monitor: Serial monitor")
message(STATUS "  - build_<env>: Build specific environment")
message(STATUS "  - generate_compile_commands: Update code intelligence")