name: Build Windows Installer

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install NSIS and build tools
        run: |
          if command -v sudo >/dev/null 2>&1; then
            sudo apt-get update
            sudo apt-get install -y nsis wget curl tar unzip zip ca-certificates
          else
            apt-get update
            apt-get install -y nsis wget curl tar unzip zip ca-certificates
          fi

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24'

      - name: Build & test frontend
        working-directory: frontend
        run: |
          npm install
          npm test
          npm run build

      - name: Run Go unit tests
        run: go test ./...

      - name: Determine version
        id: ver
        run: |
          if [[ "${GITHUB_REF}" == refs/tags/v* ]]; then
            VER="${GITHUB_REF_NAME#v}"
          else
            VER="2.0.0-ci.${GITHUB_RUN_NUMBER}"
          fi
          echo "version=${VER}" >> "$GITHUB_OUTPUT"

      - name: Embed Windows icon and manifest (.syso)
        run: |
          go run github.com/akavel/rsrc@v0.10.2 \
            -arch amd64 \
            -ico build/windows/icon.ico \
            -manifest build/windows/app.manifest \
            -o rsrc_windows_amd64.syso

      - name: Cross-compile Windows binary (convert.exe)
        env:
          CGO_ENABLED: "0"
          GOOS: windows
          GOARCH: amd64
        run: |
          mkdir -p dist/bin
          go build -tags desktop,production \
            -ldflags="-H windowsgui -s -w -X main.Version=${{ steps.ver.outputs.version }}" \
            -o dist/convert.exe .

      - name: Cache static FFmpeg binaries
        id: cache-ffmpeg
        uses: actions/cache@v3
        with:
          path: dist/bin
          key: ffmpeg-win64-master-static

      - name: Download static FFmpeg & FFprobe for Windows
        if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
        run: |
          mkdir -p dist/bin
          wget -q -O ffmpeg.zip "https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip"
          unzip -j -q ffmpeg.zip "*/bin/ffmpeg.exe" "*/bin/ffprobe.exe" -d dist/bin/
          rm -f ffmpeg.zip

      - name: Package Portable ZIP
        run: |
          cd dist
          zip -r "ConvertGUI-Portable-${{ steps.ver.outputs.version }}-win64.zip" convert.exe bin/

      - name: Build Windows NSIS Installer
        run: |
          makensis -DVERSION="${{ steps.ver.outputs.version }}" installer/installer.nsi

      - name: Upload Build Artifacts
        uses: actions/upload-artifact@v3
        with:
          name: ConvertGUI-Windows-${{ steps.ver.outputs.version }}
          path: |
            dist/ConvertGUI-Setup-${{ steps.ver.outputs.version }}.exe
            dist/ConvertGUI-Portable-${{ steps.ver.outputs.version }}-win64.zip

      - name: Publish Gitea Release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: akkuman/gitea-release-action@v1
        with:
          files: |
            dist/ConvertGUI-Setup-${{ steps.ver.outputs.version }}.exe
            dist/ConvertGUI-Portable-${{ steps.ver.outputs.version }}-win64.zip
          name: Release ${{ github.ref_name }}