# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

cmake_minimum_required(VERSION 3.20)

# The source file GENERATED property is visible from all directory scopes when set.
cmake_policy(SET CMP0118 NEW)

option(BUILD_TESTS "Whether or not to build test targets" ON)
option(BUILD_CRASHREPORTING "Whether or not Sentry-Crash Reporting will be built" ON)


message("Configuring for ${CMAKE_GENERATOR}")
get_property(IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(NOT (IS_MULTI_CONFIG OR DEFINED CMAKE_BUILD_TYPE))
    ## Ensure the build type is set for single-config generators.
    set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "default build type" FORCE)
    message("Setting build type ${CMAKE_BUILD_TYPE}")
endif()
if(WIN32 AND DEFINED ENV{CONDA_PREFIX})
    include(scripts/windows/conda-toolchain.cmake)
endif()

file(STRINGS "${CMAKE_CURRENT_LIST_DIR}/version.txt" APP_VERSION)
message(APP_VERSION=${APP_VERSION})
project("Mozilla VPN" VERSION ${APP_VERSION} LANGUAGES C CXX
        DESCRIPTION "Mozilla VPN"
        HOMEPAGE_URL "https://vpn.mozilla.org"
)

# Enable testing
include(CTest)
add_custom_target(build_tests)
set_target_properties(build_tests PROPERTIES
        EXCLUDE_FROM_ALL TRUE
        FOLDER "Tests"
)

# Include Global Helper functions
include(scripts/cmake/utilities.cmake)
include(scripts/cmake/clang_tidy.cmake)


## Some workarounds for platform build quirks
if(WIN32)
    ## CMake v3.20 has problems with race conditions in dependency generation.
    ## See: https://gitlab.kitware.com/cmake/cmake/-/issues/22014
    if(${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} VERSION_EQUAL 3.20)
        cmake_policy(SET CMP0116 OLD)
    endif()

    ## CMake also has trouble finding OpenSSL libraries on Windows, and may
    ## need some help.
    if(EXISTS "C:/MozillaVPNBuild/SSL" AND NOT DEFINED OPENSSL_ROOT_DIR)
        set(OPENSSL_ROOT_DIR "C:/MozillaVPNBuild/SSL")
        find_package(OpenSSL REQUIRED)
    endif()

    if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
        set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/unsigned"
            CACHE PATH "default install path" FORCE)
    endif()
endif()
if(APPLE)
    enable_language(OBJC)
    enable_language(OBJCXX)
    if(IOS)
        enable_language(Swift)
    endif()

    ## Setup some defaults for code signing.
    if(NOT BUILD_OSX_APP_IDENTIFIER)
        set(BUILD_OSX_APP_IDENTIFIER org.mozilla.macos.FirefoxVPN CACHE STRING "OSX Application identifier")
    endif()
    if(NOT BUILD_IOS_APP_IDENTIFIER)
        set(BUILD_IOS_APP_IDENTIFIER org.mozilla.ios.FirefoxVPN CACHE STRING "iOS Application identifier")
    endif()
    if(NOT BUILD_IOS_GROUP_IDENTIFIER)
        set(BUILD_IOS_GROUP_IDENTIFIER group.org.mozilla.ios.Guardian CACHE STRING "iOS Group identifier")
    endif()
    if(NOT BUILD_VPN_DEVELOPMENT_TEAM)
        set(BUILD_VPN_DEVELOPMENT_TEAM 43AQ936H96 CACHE STRING "Mozilla VPN Development Team")
    endif()
    set(CMAKE_XCODE_GENERATE_SCHEME FALSE)
    set(CMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM ${BUILD_VPN_DEVELOPMENT_TEAM})
    set(CMAKE_XCODE_ATTRIBUTE_GROUP_ID_IOS ${BUILD_IOS_GROUP_IDENTIFIER})

    if(IOS)
        set(CMAKE_OSX_DEPLOYMENT_TARGET 15.0)
    else()
        set(CMAKE_OSX_DEPLOYMENT_TARGET 11.0)
    endif()
endif()

if(ANDROID)
    # Don't move, this provides OpenSSL on android.
    include(src/cmake/android_openssl.cmake)
endif()

if(NOT DEFINED BUILD_ID)
    if(IS_DIRECTORY ${CMAKE_SOURCE_DIR}/.git)
        execute_process(
            OUTPUT_VARIABLE BUILD_ID
            OUTPUT_STRIP_TRAILING_WHITESPACE 
            COMMAND git -C ${CMAKE_SOURCE_DIR} log -1 --format=%cd --date=format:${PROJECT_VERSION_MAJOR}.%Y%m%d%H%M HEAD   
        )
    else()
        string(TIMESTAMP BUILD_ID ${PROJECT_VERSION_MAJOR}.%Y%m%d%H%M)
    endif()
    message("Generated BUILD_ID: ${BUILD_ID}")
endif()

## Toolchain Setup
if(NOT DEFINED CMAKE_CXX_STANDARD)
    set(CMAKE_CXX_STANDARD 20)
    set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()

find_program(PYTHON_EXECUTABLE NAMES python3 python)
if(MSVC)
    include(src/cmake/msvc.cmake)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang$")
    include(src/cmake/clang.cmake)
endif()
# Add External dependencies
add_subdirectory(3rdparty)

set(CMAKE_AUTOMOC ON)
set(CMAKE_AUTORCC ON)
set(CMAKE_AUTOUIC ON)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set_property(GLOBAL PROPERTY AUTOGEN_TARGETS_FOLDER "Autogen")
set_property(GLOBAL PROPERTY AUTOMOC_TARGETS_FOLDER "Autogen")
set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "Autogen")

find_package(Qt6 COMPONENTS
    Core
    Gui
    Network
    Qml
    Quick
    QuickTest
    Test
    WebSockets
    Widgets
    Xml
    Svg
)
include("scripts/cmake/check_qt_breakage.cmake")

if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Emscripten" AND
   NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Android")
    find_package(Qt6 COMPONENTS
        NetworkAuth
    )
endif()

if(QT_KNOWN_POLICY_QTP0001)
    qt_policy(SET QTP0001 NEW)
endif()

message("Using Qt version ${Qt6_VERSION}")
add_definitions(-DQT_DEPRECATED_WARNINGS)
add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050F00)

# Glean -- this must be added before src/
add_subdirectory(qtglean)
# VPN Client build targets
add_subdirectory(src)
add_subdirectory(lottie)
add_subdirectory(nebula)
add_subdirectory(src/translations)
add_subdirectory(addons)

# Build the extension for desktop targets
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR
   ${CMAKE_SYSTEM_NAME} STREQUAL "Windows" OR
   ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
    add_subdirectory(extension)
endif()

if(NOT CMAKE_CROSSCOMPILING AND BUILD_TESTS)
    # Unit Tests
    add_subdirectory(tests/nativemessaging EXCLUDE_FROM_ALL)
    add_subdirectory(tests/unit EXCLUDE_FROM_ALL)
    add_subdirectory(tests/qml EXCLUDE_FROM_ALL)
    add_subdirectory(tests/unit_tests EXCLUDE_FROM_ALL)

    # E2E Tests
    add_subdirectory(tests/auth_tests EXCLUDE_FROM_ALL)

    # Functional Tests
    add_subdirectory(tests/functional)
endif()

# Extra platform targets
if(WIN32)
    add_subdirectory(windows/installer)
    add_subdirectory(windows/split-tunnel)
    add_subdirectory(windows/wireguard_nt)

elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
    add_subdirectory(macos/loginitem)
    add_subdirectory(macos/pkg)
elseif(IOS)
    add_subdirectory(ios/networkextension)
    if(BUILD_ADJUST_SDK_TOKEN)
        add_subdirectory(ios/adjust)
    endif()
endif()


add_subdirectory(tools/qml_hot_reload)