name: Windows Installer

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch: {}

permissions:
  contents: write

jobs:
  build-windows:
    name: Build Windows installer
    runs-on: windows-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up Python 3.12
        uses: actions/setup-python@v6
        with:
          python-version: '3.12'
          cache: 'pip'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install pyinstaller
          pip install ".[nvidia,windows]"

      # Use 7-Zip pre-installed on the runner — no download needed, no network flakiness
      - name: Prepare 7-Zip for bundling
        run: |
          New-Item -ItemType Directory -Force -Path 7z-standalone | Out-Null
          Copy-Item "C:\Program Files\7-Zip\7z.exe" -Destination 7z-standalone\7za.exe -Force
          Copy-Item "C:\Program Files\7-Zip\7z.dll" -Destination 7z-standalone\7za.dll -Force

      # Download ffmpeg essentials (LGPL) for video playback — C# app bundles it too
      - name: Download ffmpeg
        run: |
          Invoke-WebRequest -Uri "https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip" -OutFile ffmpeg.zip
          Expand-Archive ffmpeg.zip -DestinationPath ffmpeg-tmp
          $ffmpegExe = Get-ChildItem -Path ffmpeg-tmp -Recurse -Filter "ffmpeg.exe" | Select-Object -First 1
          Copy-Item $ffmpegExe.FullName -Destination ffmpeg.exe -Force

      # Ensure libusb DLL is available (pyusb loads via ctypes, PyInstaller misses it)
      - name: Download libusb
        run: |
          pip install libusb-package
          $libusb = python -c "import libusb_package; print(libusb_package.get_library_path())"
          echo "LIBUSB_PATH=$libusb" >> $env:GITHUB_OUTPUT
        id: libusb

      # Build CLI exe (with console) and GUI exe (without console)
      - name: Build CLI with PyInstaller
        run: |
          pyinstaller `
            --name trcc `
            --onedir `
            --console `
            --uac-admin `
            --icon src/trcc/assets/icons/app.ico `
            --add-data "src/trcc/assets;trcc/assets" `
            --hidden-import PySide6.QtSvg `
            --hidden-import pynvml `
            --hidden-import wmi `
            --collect-submodules trcc `
            --noconfirm `
            src/trcc/__main__.py

      - name: Build GUI with PyInstaller
        run: |
          pyinstaller `
            --name trcc-gui `
            --onedir `
            --windowed `
            --uac-admin `
            --icon src/trcc/assets/icons/app.ico `
            --add-data "src/trcc/assets;trcc/assets" `
            --hidden-import PySide6.QtSvg `
            --hidden-import pynvml `
            --hidden-import wmi `
            --collect-submodules trcc `
            --noconfirm `
            src/trcc/__main__.py
          # Merge GUI exe into CLI dist folder (share the runtime)
          Copy-Item -Path dist/trcc-gui/trcc-gui.exe -Destination dist/trcc/ -Force
          # Bundle 7z for theme extraction (LGPL, redistributable)
          Copy-Item -Path 7z-standalone/7za.exe -Destination dist/trcc/7z.exe -Force
          Copy-Item -Path 7z-standalone/7za.dll -Destination dist/trcc/7z.dll -Force
          # Bundle ffmpeg for video playback (LGPL, like C# app)
          Copy-Item -Path ffmpeg.exe -Destination dist/trcc/ffmpeg.exe -Force
          # Bundle libusb (pyusb loads via ctypes, PyInstaller misses it)
          if ("${{ steps.libusb.outputs.LIBUSB_PATH }}") {
            Copy-Item -Path "${{ steps.libusb.outputs.LIBUSB_PATH }}" -Destination dist/trcc/ -Force
          }

      - name: Log build environment
        run: |
          Write-Host "=== Windows Build Environment ==="
          Write-Host "OS: $([System.Environment]::OSVersion)"
          Write-Host "Python: $(python --version)"
          Write-Host "PyInstaller: $(python -c 'import PyInstaller; print(PyInstaller.__version__)')"
          Write-Host "PySide6: $(python -c 'import PySide6; print(PySide6.__version__)')"
          Write-Host "Working dir: $(Get-Location)"

      - name: Verify bundled dependencies
        run: |
          Write-Host "=== Bundle Contents ==="
          Write-Host "--- dist/trcc/ (top-level) ---"
          Get-ChildItem "dist/trcc/*.exe" | ForEach-Object { Write-Host "  $($_.Name) ($([math]::Round($_.Length/1MB, 1)) MB)" }
          Get-ChildItem "dist/trcc/*.dll" | ForEach-Object { Write-Host "  $($_.Name) ($([math]::Round($_.Length/1KB, 0)) KB)" }
          Write-Host "--- Total files ---"
          $total = (Get-ChildItem "dist/trcc" -Recurse | Measure-Object).Count
          $size = (Get-ChildItem "dist/trcc" -Recurse | Measure-Object -Property Length -Sum).Sum / 1MB
          Write-Host "  $total files, $([math]::Round($size, 1)) MB total"
          Write-Host ""
          Write-Host "=== Verification ==="
          $missing = @()
          if (-not (Test-Path "dist/trcc/trcc.exe")) { $missing += "trcc.exe" }
          if (-not (Test-Path "dist/trcc/trcc-gui.exe")) { $missing += "trcc-gui.exe" }
          if (-not (Test-Path "dist/trcc/7z.exe")) { $missing += "7z.exe" }
          if (-not (Test-Path "dist/trcc/7z.dll")) { $missing += "7z.dll" }
          if (-not (Test-Path "dist/trcc/ffmpeg.exe")) { $missing += "ffmpeg.exe" }
          $libusb = Get-ChildItem "dist/trcc/libusb*" -ErrorAction SilentlyContinue
          if (-not $libusb) { $missing += "libusb-1.0.dll" }
          if ($missing.Count -gt 0) {
            Write-Error "FAILED — Missing: $($missing -join ', ')"
            exit 1
          }
          Write-Host "PASSED — trcc.exe, trcc-gui.exe, 7z.exe, ffmpeg.exe, libusb OK"

      - name: Extract version
        id: version
        run: |
          $ver = "${{ github.ref_name }}" -replace '^v', ''
          echo "VERSION=$ver" >> $env:GITHUB_OUTPUT

      - name: Create Inno Setup installer
        uses: Minionguyjpro/Inno-Setup-Action@v1.2.7
        with:
          path: installer/trcc.iss
          options: /DAPP_VERSION=${{ steps.version.outputs.VERSION }}

      - name: Upload installer artifact
        uses: actions/upload-artifact@v7
        with:
          name: trcc-windows-installer
          path: installer/Output/trcc-${{ steps.version.outputs.VERSION }}-setup.exe

      - name: Create fixed-name alias for stable download URL
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          Copy-Item "installer/Output/trcc-${{ steps.version.outputs.VERSION }}-setup.exe" `
            "installer/Output/trcc-latest-setup.exe"

      - name: Attach to GitHub Release
        if: startsWith(github.ref, 'refs/tags/v')
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release upload ${{ github.ref_name }} `
            "installer/Output/trcc-${{ steps.version.outputs.VERSION }}-setup.exe" `
            "installer/Output/trcc-latest-setup.exe" `
            --clobber