cmake_minimum_required (VERSION 3.2)

set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
set (CMAKE_CXX_STANDARD 11)

include (${CMAKE_ROOT}/Modules/ExternalProject.cmake)

include_directories (${CMAKE_INSTALL_PREFIX}/include)
link_directories (${CMAKE_INSTALL_PREFIX}/lib)

project (planetblupi)
set (PB_VERSION_MAJOR 1)
set (PB_VERSION_MINOR 9)
set (PB_VERSION_PATCH 0)

configure_file (
  "${PROJECT_SOURCE_DIR}/src/config.h.in"
  "${PROJECT_BINARY_DIR}/include/config.h"
)

include_directories ("${PROJECT_BINARY_DIR}/include")

file (GLOB_RECURSE sources src/*.cxx src/*.h)
file (GLOB_RECURSE po      resources/po/*.po)

if (MINGW)
  file (GLOB_RECURSE rc resources/win32/*.rc)
  list (APPEND sources ${rc})
endif (MINGW)

if (APPIMAGE_APPRUN_PROGRAM AND APPIMAGE_ASSISTANT_PROGRAM)
  set (USE_APPIMAGE ON)
endif ()

if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=c++11 -L${CMAKE_INSTALL_PREFIX}/lib")
endif ()

if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
  set (CMAKE_EXE_LINKER_FLAGS "-static-libgcc -static-libstdc++")
endif ()

if ("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
endif ()

if (USE_APPIMAGE AND "${CMAKE_BUILD_TYPE}" STREQUAL "Release")
  set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -s")
  set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -s")
endif ()

add_executable (planetblupi ${sources})

file (COPY resources/data  DESTINATION share/planetblupi)
file (COPY resources/image DESTINATION share/planetblupi)
file (COPY resources/movie DESTINATION share/planetblupi)
file (COPY resources/sound DESTINATION share/planetblupi)
file (COPY resources/music DESTINATION share/planetblupi)

if (UNIX AND NOT APPLE)
  file (COPY resources/icon/hicolor DESTINATION share/icons)
endif ()

# Windows stuff

if (MINGW)
  set (CMAKE_RC_COMPILER_INIT windres)
  enable_language (RC)
  set (CMAKE_RC_COMPILE_OBJECT "<CMAKE_RC_COMPILER> <FLAGS> -O coff <DEFINES> -i <SOURCE> -o <OBJECT>")
endif (MINGW)

# Dependencies

set (CMAKE_INCLUDE_PATH ${CMAKE_INSTALL_PREFIX}/include)
set (CMAKE_LIBRARY_PATH ${CMAKE_INSTALL_PREFIX}/lib)
find_package (Intl REQUIRED)
find_package (Iconv REQUIRED)

find_package (PkgConfig REQUIRED)
pkg_search_module (SDL2 REQUIRED sdl2)
pkg_search_module (SDL2_MIXER REQUIRED SDL2_mixer)
pkg_search_module (SDL2_IMAGE REQUIRED SDL2_image)
pkg_search_module (CURL REQUIRED libcurl)
# Static dependencies for SDL_kitchensink
pkg_search_module (PNG REQUIRED libpng)
pkg_search_module (AVCODEC REQUIRED libavcodec)
pkg_search_module (AVFORMAT REQUIRED libavformat)
pkg_search_module (AVUTIL REQUIRED libavutil)
pkg_search_module (SWSCALE REQUIRED libswscale)
pkg_search_module (SWRESAMPLE REQUIRED libswresample)

##################
## SDL_kitchensink
##################

add_library (SDL_kitchensink STATIC IMPORTED)
set_property (TARGET SDL_kitchensink PROPERTY IMPORTED_LOCATION ${CMAKE_INSTALL_PREFIX}/lib/libSDL_kitchensink_static.a)

###########################
## Main binary dependencies
###########################

target_link_libraries (planetblupi PUBLIC
  ${Intl_LIBRARIES}
  ${Iconv_LIBRARIES}
  ${SDL2_STATIC_LIBRARIES}
  ${SDL2_MIXER_STATIC_LIBRARIES}
  ${SDL2_IMAGE_STATIC_LIBRARIES}
  ${CURL_STATIC_LIBRARIES}
  SDL_kitchensink
  ${PNG_STATIC_LIBRARIES}
  ${AVCODEC_STATIC_LIBRARIES}
  ${AVFORMAT_STATIC_LIBRARIES}
  ${AVUTIL_STATIC_LIBRARIES}
  ${SWSCALE_STATIC_LIBRARIES}
  ${SWRESAMPLE_STATIC_LIBRARIES}
)

##########
## GetText
##########

find_package (Gettext)

set (_potFile ${CMAKE_CURRENT_SOURCE_DIR}/resources/po/${PROJECT_NAME}.pot)

add_custom_command (OUTPUT ${_potFile}
  COMMAND xgettext --keyword=translate -o ${_potFile} ${sources}
  DEPENDS ${sources}
  COMMENT "Extract translatable messages to ${_potFile}"
)

add_custom_target (pot_file ALL ${_all}
  DEPENDS ${_potFile}
)

gettext_create_translations (${_potFile} ALL ${po})

## Put mo files to appropriate directory
foreach (file ${_gmoFiles})
  get_filename_component (_lang ${file} NAME_WE)
  set (_out "share/locale/${_lang}/LC_MESSAGES")

  add_custom_command (OUTPUT ${_out}/planetblupi.mo
    COMMAND ${CMAKE_COMMAND} -E copy ${file} ${_out}/planetblupi.mo
    DEPENDS ${file}
  )

  add_custom_target ("po-${_lang}" ALL ${_all}
    DEPENDS ${_out}/planetblupi.mo
  )

  add_dependencies (planetblupi "po-${_lang}")
endforeach (file)

# Installation

install (TARGETS planetblupi
  RUNTIME DESTINATION bin
)

install (DIRECTORY resources/data DESTINATION share/planetblupi)
install (DIRECTORY resources/image DESTINATION share/planetblupi)
install (DIRECTORY resources/movie DESTINATION share/planetblupi)
install (DIRECTORY resources/sound DESTINATION share/planetblupi)
install (DIRECTORY resources/music DESTINATION share/planetblupi)

if (UNIX AND NOT APPLE)
  install (DIRECTORY resources/icon/hicolor DESTINATION share/icons)
endif ()

# Copy libwinpthread-1.dll which seems not be linkable statically
if (${CMAKE_SYSTEM_NAME} STREQUAL "Windows" AND MINGW)
  execute_process (COMMAND cygpath.exe --windows /mingw64 OUTPUT_VARIABLE MINGW64_PATH)
  string (REGEX REPLACE "[ \t\n\r]+$" "" MINGW64_PATH "${MINGW64_PATH}")
  string (REGEX REPLACE "[\\]" "\\\\\\\\" MINGW64_PATH "${MINGW64_PATH}")
  install (FILES "${MINGW64_PATH}\\\\bin\\\\libwinpthread-1.dll" DESTINATION bin)
endif ()

#########
## Deploy
#########

if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
  set (CPACK_STRIP_FILES TRUE)
  set (CPACK_PACKAGE_NAME "planetblupi")
  set (CPACK_PACKAGE_VENDOR "blupi.org")
  set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Planet Blupi - A delerious spell-binding game")
  set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
  set (CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README-user.md")
  set (CPACK_PACKAGE_FILE_NAME "planetblupi")
  set (CPACK_PACKAGE_VERSION_MAJOR ${PB_VERSION_MAJOR})
  set (CPACK_PACKAGE_VERSION_MINOR ${PB_VERSION_MINOR})
  set (CPACK_PACKAGE_VERSION_PATCH ${PB_VERSION_PATCH})
  set (CPACK_PACKAGE_INSTALL_DIRECTORY "Planet Blupi")
  set (CPACK_PACKAGE_EXECUTABLES "planetblupi;Planet Blupi")

  if (USE_APPIMAGE)
    include (LinuxAppImageBuild)
    set (CMAKE_PACKAGED_OUTPUT_PREFIX ${CMAKE_INSTALL_PREFIX})
    APPIMAGE_PACKAGE (planetblupi "planetblupi" "Planet Blupi" "${CMAKE_CURRENT_SOURCE_DIR}/resources/linux" "${CMAKE_BINARY_DIR}/share" "" "" "blupi")
  elseif (MINGW)
    set (CPACK_GENERATOR "NSIS64")
    set (CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}\\\\resources\\\\nsis\\\\installer.bmp")
    set (CPACK_NSIS_COMPRESSOR "/SOLID lzma")
    set (CPACK_NSIS_INSTALLED_ICON_NAME "bin\\\\planetblupi.exe")
    set (CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.blupi.org")
    set (CPACK_NSIS_MUI_FINISHPAGE_RUN "planetblupi")
    include (CPack)
    add_custom_command (TARGET planetblupi
                        POST_BUILD
                        COMMAND make package)
  elseif (APPLE)
    set (CPACK_GENERATOR "Bundle")
    set (CPACK_BUNDLE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/resources/darwin/icon.icns")
    set (CPACK_BUNDLE_NAME "Planet Blupi")
    set (CPACK_BUNDLE_PLIST "${CMAKE_BINARY_DIR}/Info.plist")
    set (CPACK_BUNDLE_STARTUP_COMMAND "${CMAKE_CURRENT_SOURCE_DIR}/resources/darwin/Planet Blupi")
    set (CPACK_PACKAGE_FILE_NAME "planetblupi-${PB_VERSION_MAJOR}.${PB_VERSION_MINOR}.${PB_VERSION_PATCH}")

    set (BUNDLE_VERSION "${PB_VERSION_MAJOR}.${PB_VERSION_MINOR}.${PB_VERSION_PATCH}")
    set (BUNDLE_IDENTIFIER "org.blupi.planet")
    set (BUNDLE_ICON_REF "Planet Blupi")

    configure_file (
      "${CMAKE_CURRENT_SOURCE_DIR}/resources/darwin/Info.plist.in"
      "${CMAKE_BINARY_DIR}/Info.plist"
      @ONLY
    )

    include (CPack)
    add_custom_command (TARGET planetblupi
                        POST_BUILD
                        COMMAND make package)
  endif ()
endif ()