cmake_minimum_required(VERSION 3.15)
project(XCEngineTests)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# ============================================================
# Test Configuration
# ============================================================

option(ENABLE_COVERAGE "Enable code coverage" OFF)
option(ENABLE_BENCHMARK "Enable benchmark tests" OFF)

# ============================================================
# Dependencies
# ============================================================

include(FetchContent)
FetchContent_Declare(
    googletest
    GIT_REPOSITORY https://gitee.com/mirrors/googletest.git
    GIT_TAG v1.14.0
)

set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
set(INSTALL_GTEST OFF CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)

if(TARGET gtest AND NOT TARGET GTest::gtest)
    add_library(GTest::gtest ALIAS gtest)
endif()

if(TARGET gtest_main AND NOT TARGET GTest::gtest_main)
    add_library(GTest::gtest_main ALIAS gtest_main)
endif()

if(TARGET gmock AND NOT TARGET GTest::gmock)
    add_library(GTest::gmock ALIAS gmock)
endif()

if(TARGET gmock_main AND NOT TARGET GTest::gmock_main)
    add_library(GTest::gmock_main ALIAS gmock_main)
endif()

enable_testing()

# ============================================================
# Test Subdirectories
# ============================================================

add_subdirectory(Core)
add_subdirectory(UI)
add_subdirectory(Memory)
add_subdirectory(Threading)
add_subdirectory(Debug)
add_subdirectory(Components)
add_subdirectory(Scene)
add_subdirectory(Scripting)
add_subdirectory(Rendering)
add_subdirectory(RHI)
add_subdirectory(Resources)
add_subdirectory(Input)
add_subdirectory(Editor)

if(WIN32)
    find_program(XCENGINE_POWERSHELL_EXECUTABLE NAMES powershell pwsh REQUIRED)

    add_custom_target(rendering_phase_regression_build
        DEPENDS
            rendering_all_tests
            editor_tests
            XCEditor
    )

    add_custom_target(rendering_phase_regression
        DEPENDS
            rendering_phase_regression_build
        COMMAND "${XCENGINE_POWERSHELL_EXECUTABLE}"
            -NoProfile
            -ExecutionPolicy Bypass
            -File "${CMAKE_SOURCE_DIR}/scripts/Run-RendererPhaseRegression.ps1"
            -RepoRoot "${CMAKE_SOURCE_DIR}"
            -BuildDir "${CMAKE_BINARY_DIR}"
            -Config $<CONFIG>
            -SkipBuild
        USES_TERMINAL
        COMMENT "Run renderer phase regression suite"
    )
endif()

# ============================================================
# Test Summary
# ============================================================

add_custom_target(print_tests
    COMMAND ${CMAKE_COMMAND} -E echo "===== XCEngine Test Suite ====="
    COMMAND ${CMAKE_CTEST_COMMAND} -N
    COMMENT "Available tests:"
)