# Project-level configuration.
cmake_minimum_required(VERSION 3.14)
project(plezy LANGUAGES CXX)

# Download and extract mpv-dev (architecture-dependent)
set(MPV_VERSION "20260303")
set(MPV_GIT_HASH "c55bdc3")

if(CMAKE_SYSTEM_PROCESSOR STREQUAL "ARM64")
  # ARM64: use file(DOWNLOAD) + 7z extraction (CMake's built-in libarchive
  # can't handle LZMA2 on ARM64)
  set(MPV_FILENAME "mpv-dev-aarch64-${MPV_VERSION}-git-${MPV_GIT_HASH}.7z")
  set(MPV_URL "https://github.com/shinchiro/mpv-winbuild-cmake/releases/download/${MPV_VERSION}/${MPV_FILENAME}")
  set(MPV_DOWNLOAD_DIR "${CMAKE_BINARY_DIR}/mpv-dev-arm64")
  set(MPV_ARCHIVE "${MPV_DOWNLOAD_DIR}/${MPV_FILENAME}")

  if(NOT EXISTS "${MPV_DOWNLOAD_DIR}/libmpv-2.dll")
    message(STATUS "Downloading MPV for ARM64...")
    file(DOWNLOAD "${MPV_URL}" "${MPV_ARCHIVE}" SHOW_PROGRESS STATUS MPV_DL_STATUS)
    list(GET MPV_DL_STATUS 0 MPV_DL_RESULT)
    if(NOT MPV_DL_RESULT EQUAL 0)
      message(FATAL_ERROR "Failed to download MPV: ${MPV_DL_STATUS}")
    endif()

    find_program(7Z_EXECUTABLE 7z REQUIRED HINTS "C:/Program Files/7-Zip")
    message(STATUS "Extracting MPV with ${7Z_EXECUTABLE}...")
    execute_process(
      COMMAND "${7Z_EXECUTABLE}" x "${MPV_ARCHIVE}" "-o${MPV_DOWNLOAD_DIR}" -y
      RESULT_VARIABLE MPV_EXTRACT_RESULT
    )
    if(NOT MPV_EXTRACT_RESULT EQUAL 0)
      message(FATAL_ERROR "Failed to extract MPV archive")
    endif()
    file(REMOVE "${MPV_ARCHIVE}")
  endif()

  set(MPV_INCLUDE_DIR "${MPV_DOWNLOAD_DIR}/include")
  set(MPV_LIB_DIR "${MPV_DOWNLOAD_DIR}")
else()
  # x64 (AMD64): use FetchContent (existing behavior)
  include(FetchContent)
  FetchContent_Declare(
    mpv_dev
    URL https://github.com/shinchiro/mpv-winbuild-cmake/releases/download/${MPV_VERSION}/mpv-dev-x86_64-v3-${MPV_VERSION}-git-${MPV_GIT_HASH}.7z
    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
  )
  FetchContent_MakeAvailable(mpv_dev)

  set(MPV_INCLUDE_DIR "${mpv_dev_SOURCE_DIR}/include")
  set(MPV_LIB_DIR "${mpv_dev_SOURCE_DIR}")
endif()

# The name of the executable created for the application. Change this to change
# the on-disk name of your application.
set(BINARY_NAME "plezy")

# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
# versions of CMake.
cmake_policy(VERSION 3.14...3.25)

# Define build configuration option.
get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(IS_MULTICONFIG)
  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
    CACHE STRING "" FORCE)
else()
  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
    set(CMAKE_BUILD_TYPE "Debug" CACHE
      STRING "Flutter build mode" FORCE)
    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
      "Debug" "Profile" "Release")
  endif()
endif()
# Define settings for the Profile build mode.
set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")

# Use Unicode for all projects.
add_definitions(-DUNICODE -D_UNICODE)

# Compilation settings that should be applied to most targets.
#
# Be cautious about adding new options here, as plugins use this function by
# default. In most cases, you should add new options to specific targets instead
# of modifying this function.
function(APPLY_STANDARD_SETTINGS TARGET)
  target_compile_features(${TARGET} PUBLIC cxx_std_17)
  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
  target_compile_options(${TARGET} PRIVATE /EHsc)
  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
endfunction()

# Flutter library and tool build rules.
set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
add_subdirectory(${FLUTTER_MANAGED_DIR})

# Application build; see runner/CMakeLists.txt.
add_subdirectory("runner")


# Generated plugin build rules, which manage building the plugins and adding
# them to the application.
include(flutter/generated_plugins.cmake)


# === Installation ===
# Support files are copied into place next to the executable, so that it can
# run in place. This is done instead of making a separate bundle (as on Linux)
# so that building and running from within Visual Studio will work.
set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
# Make the "install" step default, as it's required to run.
set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
endif()

set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")

install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  COMPONENT Runtime)

install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)

if(PLUGIN_BUNDLED_LIBRARIES)
  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
endif()

# Copy the native assets provided by the build.dart from all packages.
set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
install(DIRECTORY "${NATIVE_ASSETS_DIR}"
   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
   COMPONENT Runtime)

# Fully re-copy the assets directory on each build to avoid having stale files
# from a previous install.
set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
install(CODE "
  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
  " COMPONENT Runtime)
install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)

# Install the AOT library on non-Debug builds only.
install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  CONFIGURATIONS Profile;Release
  COMPONENT Runtime)

# Install mpv DLL
install(FILES "${MPV_LIB_DIR}/libmpv-2.dll"
  DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)