cmake_minimum_required(VERSION 3.16)
project(Eclipt VERSION 1.0.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

option(ECLIPT_BUILD_SHARED "Build shared library" ON)
option(ECLIPT_BUILD_EXAMPLES "Build examples" OFF)
option(ECLIPT_USE_SDL2 "Use SDL2 for Linux display" ON)

find_package(PkgConfig REQUIRED)

pkg_check_modules(FFMPEG REQUIRED
    libavformat
    libavcodec
    libavutil
    libswscale
    libswresample
)

if(ECLIPT_USE_SDL2)
    pkg_check_modules(SDL2 REQUIRED sdl2)
endif()

include_directories(
    ${CMAKE_SOURCE_DIR}/libEcliptPlayer/include
    ${CMAKE_SOURCE_DIR}/platform/linux/include
    ${FFMPEG_INCLUDE_DIRS}
)

if(ECLIPT_USE_SDL2)
    include_directories(${SDL2_INCLUDE_DIRS})
endif()

set(ECLIPT_SOURCES
    libEcliptPlayer/src/core/EcliptPlayer.cpp
    libEcliptPlayer/src/demuxer/FFmpegDemuxer.cpp
    libEcliptPlayer/src/decoder/FFmpegDecoder.cpp
    libEcliptPlayer/src/subtitle/SubtitleRenderer.cpp
    libEcliptPlayer/src/playlist/Playlist.cpp
    libEcliptPlayer/src/playlist/EPG.cpp
)

set(ECLIPT_HEADERS
    libEcliptPlayer/include/eclipt/Config.h
    libEcliptPlayer/include/eclipt/Decoder.h
    libEcliptPlayer/include/eclipt/Demuxer.h
    libEcliptPlayer/include/eclipt/EcliptPlayer.h
    libEcliptPlayer/include/eclipt/EPG.h
    libEcliptPlayer/include/eclipt/Frame.h
    libEcliptPlayer/include/eclipt/Playlist.h
    libEcliptPlayer/include/eclipt/Subtitle.h
)

add_library(EcliptPlayer ${ECLIPT_SOURCES} ${ECLIPT_HEADERS})
target_link_libraries(EcliptPlayer PRIVATE ${FFMPEG_LIBRARIES})
target_compile_options(EcliptPlayer PRIVATE ${FFMPEG_CFLAGS})

if(WIN32)
    target_compile_definitions(EcliptPlayer PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()

set_target_properties(EcliptPlayer PROPERTIES
    VERSION ${PROJECT_VERSION}
    SOVERSION ${PROJECT_VERSION_MAJOR}
    PUBLIC_HEADER "${ECLIPT_HEADERS}"
)

if(UNIX AND NOT APPLE)
    install(TARGETS EcliptPlayer
        LIBRARY DESTINATION lib
        PUBLIC_HEADER DESTINATION include/eclipt
    )
endif()

if(ECLIPT_USE_SDL2)
    set(LINUX_SOURCES
        platform/linux/src/EcliptLinux.cpp
        platform/linux/src/main.cpp
    )
    
    add_executable(eclipt-linux ${LINUX_SOURCES})
    target_link_libraries(eclipt-linux PRIVATE
        EcliptPlayer
        ${SDL2_LIBRARIES}
        pthread
    )
endif()

if(ECLIPT_BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()

message(STATUS "Eclipt version: ${PROJECT_VERSION}")
message(STATUS "FFmpeg version: ${FFMPEG_VERSION}")
message(STATUS "Build shared: ${ECLIPT_BUILD_SHARED}")
message(STATUS "Use SDL2: ${ECLIPT_USE_SDL2}")