@echo off
setlocal ENABLEDELAYEDEXPANSION
echo Building PrivateBin API C++ DLL...

REM Proaktiv: VS-Entwicklungsumgebung initialisieren, wenn bekannt
set "VSINSTALL_HINT=C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools"
set "VSDEVCMD_HINT=%VSINSTALL_HINT%\Common7\Tools\VsDevCmd.bat"
if not exist "%VSDEVCMD_HINT%" (
    set "VSINSTALL_HINT=C:\Program Files\Microsoft Visual Studio\2022\Community"
    set "VSDEVCMD_HINT=%VSINSTALL_HINT%\Common7\Tools\VsDevCmd.bat"
)
if exist "%VSDEVCMD_HINT%" (
    echo Initializing MSVC environment from "%VSDEVCMD_HINT%" for x64...
    call "%VSDEVCMD_HINT%" -arch=x64 >nul
    set "VCPKG_VISUAL_STUDIO_PATH=%VSINSTALL_HINT%"
)

REM Ensure MSVC environment is loaded (cl.exe). Try via vswhere if not present.
where cl >nul 2>&1
if errorlevel 1 (
    REM Ensure vswhere is on PATH (both PF and PF(x86))
    set "PATH=%ProgramFiles%\Microsoft Visual Studio\Installer;%ProgramFiles(x86)%\Microsoft Visual Studio\Installer;%PATH%"
    REM First try well-known VsDevCmd from BuildTools/Community to avoid vswhere dependency
    set "VSINSTALL=C:\ Program Files (x86)\Microsoft Visual Studio\2022\BuildTools"
    set "VSDEVCMD_CANDIDATE=%VSINSTALL%\Common7\Tools\VsDevCmd.bat"
    if not exist "%VSDEVCMD_CANDIDATE%" (
        set "VSINSTALL=C:\ Program Files\Microsoft Visual Studio\2022\Community"
        set "VSDEVCMD_CANDIDATE=%VSINSTALL%\Common7\Tools\VsDevCmd.bat"
    )
    if exist "%VSDEVCMD_CANDIDATE%" (
        echo Initializing MSVC environment from "%VSDEVCMD_CANDIDATE%" for x64...
        call "%VSDEVCMD_CANDIDATE%" -arch=x64 >nul
        REM Provide VS path hint for vcpkg
        set "VCPKG_VISUAL_STUDIO_PATH=%VSINSTALL%"
        REM Re-check if cl is now available; if so, skip vswhere path
        where cl >nul 2>&1
        if not errorlevel 1 goto :after_vs_env
    )

    set "VSWHERE=%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
    if not exist "%VSWHERE%" (
        set "VSWHERE=%ProgramFiles%\Microsoft Visual Studio\Installer\vswhere.exe"
    )
    if not exist "%VSWHERE%" (
        set "VSWHERE=c:\tools\vswhere.exe"
    )
    if exist "%VSWHERE%" (
        for /f "usebackq tokens=*" %%i in (`"%VSWHERE%" -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath`) do set "VSINSTALL=%%i"
        if defined VSINSTALL (
            set "VSDEVCMD=%VSINSTALL%\Common7\Tools\VsDevCmd.bat"
            if exist "%VSDEVCMD%" (
                echo Initializing MSVC environment from "%VSDEVCMD%" for x64...
                call "%VSDEVCMD%" -arch=x64 >nul
                set "VCPKG_VISUAL_STUDIO_PATH=%VSINSTALL%"
            ) else (
                echo VsDevCmd.bat not found under "%VSINSTALL%". cl.exe may be unavailable.
            )
        ) else (
            echo Visual Studio with C++ tools not found. Install "Desktop development with C++" workload.
        )
    ) else (
        echo vswhere.exe not found. Consider installing Visual Studio 2022 with C++ tools.
    )
)

:after_vs_env

REM Detect or bootstrap vcpkg
if not defined VCPKG_ROOT (
    set "VCPKG_ROOT=%USERPROFILE%\vcpkg"
)

if not exist "%VCPKG_ROOT%\scripts\buildsystems\vcpkg.cmake" (
    echo vcpkg not found at "%VCPKG_ROOT%". Cloning and bootstrapping...
    if not exist "%VCPKG_ROOT%" (
        git clone https://github.com/microsoft/vcpkg.git "%VCPKG_ROOT%"
        if errorlevel 1 (
            echo Failed to clone vcpkg
            exit /b 1
        )
    )
    call "%VCPKG_ROOT%\bootstrap-vcpkg.bat"
    if errorlevel 1 (
        echo Failed to bootstrap vcpkg
        exit /b 1
    )
)

REM Ensure vcpkg manifest/config has a baseline; create vcpkg-configuration.json if missing
REM Baseline wird außerhalb des Skripts gesetzt (vcpkg x-update-baseline)

REM Reset build directory to avoid stale CMake cache (e.g., CMAKE_GENERATOR_INSTANCE)
if exist "build" rd /s /q build
mkdir build
pushd build

REM Generate build files with CMake and vcpkg (manifest mode with auto-baseline)
set "VCPKG_DEFAULT_TRIPLET=x64-windows"
REM Ensure no stale generator instance is leaking from environment
set "CMAKE_GENERATOR_INSTANCE="

REM Ensure vcpkg manifest has a builtin-baseline (adds if missing)
if exist "vcpkg.json" (
    "%VCPKG_ROOT%\vcpkg.exe" x-update-baseline --add-initial-baseline 1>nul 2>nul
)

REM Use user vcpkg toolchain
set "TOOLCHAIN_FILE=%VCPKG_ROOT%/scripts/buildsystems/vcpkg.cmake"
cmake .. -G "Visual Studio 17 2022" -A x64 -DCMAKE_TOOLCHAIN_FILE="%TOOLCHAIN_FILE%"
if errorlevel 1 (
    echo CMake configuration failed
    popd
    exit /b 1
)

REM Build the project
cmake --build . --config Release
set BUILD_ERROR=%ERRORLEVEL%

if %BUILD_ERROR% EQU 0 (
    echo Build completed successfully!
) else (
    echo Build failed with error level %BUILD_ERROR%
)

popd
exit /b %BUILD_ERROR%