cmake_minimum_required(VERSION 3.4)
project(squawk VERSION 0.2.1 LANGUAGES CXX)

cmake_policy(SET CMP0076 NEW)
cmake_policy(SET CMP0079 NEW)
set(CMAKE_CXX_STANDARD 17)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTOUIC ON)
set(CMAKE_AUTORCC ON)

include(GNUInstallDirs)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")

set(WIN32_FLAG "")
set(MACOSX_BUNDLE_FLAG "")
if (CMAKE_BUILD_TYPE STREQUAL "Release")
  if (WIN32)
    set(WIN32_FLAG WIN32)
  endif(WIN32)
  if (APPLE)
    set(MACOSX_BUNDLE_FLAG MACOSX_BUNDLE)
  endif(APPLE)
endif()

add_executable(squawk ${WIN32_FLAG} ${MACOSX_BUNDLE_FLAG})
target_include_directories(squawk PRIVATE ${CMAKE_SOURCE_DIR})

option(SYSTEM_QXMPP "Use system qxmpp lib" ON)
option(WITH_KWALLET "Build KWallet support module" ON)
option(WITH_KIO "Build KIO support module" ON)
option(WITH_KCONFIG "Build KConfig support module" ON)

# Dependencies
## Qt
set(QT_VERSION_MAJOR 5)
find_package(Qt5 COMPONENTS Widgets DBus Gui Xml Network Core REQUIRED)
find_package(Boost COMPONENTS)

target_include_directories(squawk PRIVATE ${Boost_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5Widgets_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5DBus_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5Gui_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5Xml_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5Network_INCLUDE_DIRS})
target_include_directories(squawk PRIVATE ${Qt5Core_INCLUDE_DIRS})

## QXmpp
if (SYSTEM_QXMPP)
  find_package(QXmpp CONFIG)

  if (NOT QXmpp_FOUND)
    set(SYSTEM_QXMPP OFF)
    message("QXmpp package wasn't found, trying to build with bundled QXmpp")
  else ()
    message("Building with system QXmpp")
  endif ()
endif ()

if (NOT SYSTEM_QXMPP)
  target_link_libraries(squawk PRIVATE qxmpp)
  add_subdirectory(external/qxmpp)
else ()
  target_link_libraries(squawk PRIVATE QXmpp::QXmpp)
endif ()

## KIO
if (WITH_KIO)
  find_package(KF5KIO CONFIG)

  if (NOT KF5KIO_FOUND)
    set(WITH_KIO OFF)
    message("KIO package wasn't found, KIO support modules wouldn't be built")
  else ()
    target_compile_definitions(squawk PRIVATE WITH_KIO)
    message("Building with support of KIO")
  endif ()
endif ()

## KWallet
if (WITH_KWALLET)
  find_package(KF5Wallet CONFIG)

  if (NOT KF5Wallet_FOUND)
    set(WITH_KWALLET OFF)
    message("KWallet package wasn't found, KWallet support module wouldn't be built")
  else ()
    target_compile_definitions(squawk PRIVATE WITH_KWALLET)
    message("Building with support of KWallet")
  endif ()
endif ()

if (WITH_KCONFIG)
  find_package(KF5Config CONFIG)
  if (NOT KF5Config_FOUND)
    set(WITH_KCONFIG OFF)
    message("KConfig package wasn't found, KConfig support modules wouldn't be built")
  else()
    find_package(KF5ConfigWidgets CONFIG)
    if (NOT KF5ConfigWidgets_FOUND)
      set(WITH_KCONFIG OFF)
      message("KConfigWidgets package wasn't found, KConfigWidgets support modules wouldn't be built")
    else()
      target_compile_definitions(squawk PRIVATE WITH_KCONFIG)
      message("Building with support of KConfig")
      message("Building with support of KConfigWidgets")
    endif()
  endif()
endif()

## Signal (TODO)
# find_package(Signal REQUIRED)

## LMDB
find_package(LMDB REQUIRED)

# Linking
target_link_libraries(squawk PRIVATE Qt5::Core Qt5::Widgets Qt5::DBus Qt5::Network Qt5::Gui Qt5::Xml)
target_link_libraries(squawk PRIVATE lmdb)
target_link_libraries(squawk PRIVATE simpleCrypt)
# Link thread libraries on Linux
if(UNIX AND NOT APPLE)
  set(THREADS_PREFER_PTHREAD_FLAG ON)
  find_package(Threads REQUIRED)
  target_link_libraries(squawk PRIVATE Threads::Threads)
endif()

# Build type
if (NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug)
endif ()

message("Build type: ${CMAKE_BUILD_TYPE}")

if(CMAKE_COMPILER_IS_GNUCXX)
  set (COMPILE_OPTIONS -fno-sized-deallocation)   # for eliminating _ZdlPvm
  if (CMAKE_BUILD_TYPE STREQUAL "Release")
    list(APPEND COMPILE_OPTIONS -O3)
  endif()
  if (CMAKE_BUILD_TYPE STREQUAL Debug)
    list(APPEND COMPILE_OPTIONS -g)
    list(APPEND COMPILE_OPTIONS -Wall)
    list(APPEND COMPILE_OPTIONS -Wextra)
  endif()

  message("Compilation options: " ${COMPILE_OPTIONS})
  target_compile_options(squawk PRIVATE ${COMPILE_OPTIONS})
endif(CMAKE_COMPILER_IS_GNUCXX)

add_subdirectory(core)
add_subdirectory(external/simpleCrypt)
add_subdirectory(packaging)
add_subdirectory(plugins)
add_subdirectory(resources)
add_subdirectory(shared)
add_subdirectory(translations)
add_subdirectory(ui)

# Install the executable
install(TARGETS squawk DESTINATION ${CMAKE_INSTALL_BINDIR})

if (CMAKE_BUILD_TYPE STREQUAL "Release")
  if (APPLE)
    add_custom_command(TARGET squawk POST_BUILD COMMENT "Running macdeployqt..."
      COMMAND "${Qt5Widgets_DIR}/../../../bin/macdeployqt" "${CMAKE_CURRENT_BINARY_DIR}/squawk.app"
    )
  endif(APPLE)
endif()