name: Windows Build

on:
  push:
    branches: [main]
    tags:     ['v*']
  pull_request:
    branches: [main]

jobs:
  build-windows:
    name: Windows x64 (MSVC + vcpkg)
    runs-on: windows-latest

    env:
      VCPKG_DEFAULT_TRIPLET: x64-windows
      # vcpkg Binary Caching → deutlich schnellere CI-Durchläufe
      VCPKG_BINARY_SOURCES: "clear;x-gha,readwrite"

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # vcpkg Binary Cache via GitHub Actions Cache
      - name: Export GitHub Actions cache vars
        uses: actions/github-script@v7
        with:
          script: |
            core.exportVariable('ACTIONS_CACHE_URL',    process.env.ACTIONS_CACHE_URL    || '');
            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');

      - name: Setup vcpkg
        uses: lukka/run-vcpkg@v11
        with:
          vcpkgGitCommitId: '0a66b5fd01fc1515eb7a48c6dc5b1dcc1ce2f6bc'  # stable snapshot

      - name: Install dependencies via vcpkg
        run: |
          vcpkg install opencv4:x64-windows libraw:x64-windows qt:x64-windows
        shell: pwsh

      - name: Configure CMake
        run: |
          cmake -B build -G Ninja `
            -DCMAKE_BUILD_TYPE=Release `
            -DCMAKE_TOOLCHAIN_FILE="$env:VCPKG_ROOT/scripts/buildsystems/vcpkg.cmake" `
            -DVCPKG_TARGET_TRIPLET=x64-windows `
            -DBUILD_GUI=ON `
            -DBUILD_TESTS=OFF
        shell: pwsh

      - name: Build
        run: cmake --build build --config Release --parallel
        shell: pwsh

      - name: Install (collect EXE + DLLs)
        run: cmake --install build --prefix dist
        shell: pwsh

      - name: Deploy Qt DLLs (windeployqt)
        run: |
          $qtBin = (Get-ChildItem "$env:VCPKG_ROOT/installed/x64-windows/tools/qt6/bin" -Filter "windeployqt*.exe" -ErrorAction SilentlyContinue | Select-Object -First 1)?.FullName
          if ($qtBin) {
            & $qtBin --release --no-translations dist/bin/negative-converter.exe
          } else {
            Write-Warning "windeployqt not found, skipping Qt DLL deployment"
          }
        shell: pwsh

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: negative-converter-windows-x64
          path: dist/
          if-no-files-found: error

      # Nur bei Git-Tags: Release erstellen und ZIP anhängen
      - name: Create ZIP for release
        if: startsWith(github.ref, 'refs/tags/')
        run: Compress-Archive -Path dist/* -DestinationPath negative-converter-windows-x64.zip
        shell: pwsh

      - name: Upload to GitHub Release
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v2
        with:
          files: negative-converter-windows-x64.zip