@echo off
chcp 65001 >nul
setlocal enabledelayedexpansion

set "ROOT=%~dp0"
set "TOOLS=%ROOT%tools\"

:: ============================================================
:: 1. 检查 tools\ 工具链
:: ============================================================
echo [dstalk] 检查工具链...

if not exist "%TOOLS%cmake\bin\cmake.exe" (
    echo   [ERROR] CMake 未找到，请先运行: tools\setup.bat
    pause & exit /b 1
)
if not exist "%TOOLS%ninja\ninja.exe" (
    echo   [ERROR] Ninja 未找到，请先运行: tools\setup.bat
    pause & exit /b 1
)
if not exist "%TOOLS%llvm\bin\clang.exe" (
    echo   [ERROR] LLVM/Clang 未找到，请先运行: tools\setup.bat
    pause & exit /b 1
)
if not exist "%TOOLS%.venv\Scripts\conan.exe" (
    echo   [ERROR] Conan2 未找到，请先运行: tools\setup.bat
    echo   需要已安装 Python 3.10+
    pause & exit /b 1
)

:: ============================================================
:: 2. 加载 tools\ 环境
:: ============================================================
call "%TOOLS%env.bat"

:: ============================================================
:: 3. 检测并加载 MSVC 环境
:: ============================================================
set "VCVARS="
for %%v in (2022 2019 2017) do (
    for %%e in (Professional Community Enterprise BuildTools) do (
        if exist "C:\Program Files (x86)\Microsoft Visual Studio\%%v\%%e\VC\Auxiliary\Build\vcvarsall.bat" (
            set "VCVARS=C:\Program Files (x86)\Microsoft Visual Studio\%%v\%%e\VC\Auxiliary\Build\vcvarsall.bat"
        )
        if exist "C:\Program Files\Microsoft Visual Studio\%%v\%%e\VC\Auxiliary\Build\vcvarsall.bat" (
            set "VCVARS=C:\Program Files\Microsoft Visual Studio\%%v\%%e\VC\Auxiliary\Build\vcvarsall.bat"
        )
    )
)

if "%VCVARS%"=="" (
    echo   [ERROR] 未找到 Visual Studio Build Tools
    echo   请安装: https://visualstudio.microsoft.com/downloads/#build-tools-for-visual-studio-2022
    pause & exit /b 1
)
echo [dstalk] 加载 MSVC 环境...
call "%VCVARS%" x64 >nul 2>&1

:: ============================================================
:: 4. 强制使用 tools\ 内的编译器 (覆盖 MSVC 的 cl.exe)
:: ============================================================
set "CC=%TOOLS%llvm\bin\clang.exe"
set "CXX=%TOOLS%llvm\bin\clang++.exe"

cd /d "%ROOT%"

:: ============================================================
:: 5. Conan 安装依赖
:: ============================================================
echo [dstalk] Conan 安装/刷新依赖...
call "%TOOLS%.venv\Scripts\conan.exe" install deps/ -of build --build=missing -s compiler.cppstd=20 -c tools.cmake.cmaketoolchain:generator=Ninja
if !errorlevel! neq 0 (
    echo   [ERROR] Conan 安装失败
    pause & exit /b 1
)

set "CONAN_GENERATORS=%ROOT%build\build\Release\generators"

:: ============================================================
:: 6. CMake 配置 + Ninja 编译
:: ============================================================
echo [dstalk] CMake 配置 + 编译...
"%TOOLS%cmake\bin\cmake.exe" -S "%ROOT%" -B "%ROOT%build" -G Ninja ^
  -DCMAKE_C_COMPILER="%TOOLS%llvm\bin\clang.exe" ^
  -DCMAKE_CXX_COMPILER="%TOOLS%llvm\bin\clang++.exe" ^
  -DCMAKE_TOOLCHAIN_FILE="%CONAN_GENERATORS%\conan_toolchain.cmake" ^
  -DCMAKE_PREFIX_PATH="%CONAN_GENERATORS%" ^
  -DCMAKE_BUILD_TYPE=Release
if !errorlevel! neq 0 (
    echo   [ERROR] CMake 配置失败
    pause & exit /b 1
)

"%TOOLS%cmake\bin\cmake.exe" --build "%ROOT%build"
if !errorlevel! neq 0 (
    echo   [ERROR] 编译失败
    pause & exit /b 1
)

echo.
echo ============================================
echo   编译成功!
echo   build\dstalk-core\dstalk.dll
echo   build\dstalk-cli\dstalk-cli.exe
echo ============================================
pause