name: Build Release

on:
  push:
    tags:
      - 'v*'

jobs:
  # ── Create the release first (shared by all build jobs) ────
  create-release:
    runs-on: ubuntu-latest
    outputs:
      release_id: ${{ steps.create.outputs.release_id }}
    steps:
      - name: Create Gitea release
        id: create
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          TAG="${{ gitea.ref_name }}"
          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"

          IS_PRE="false"
          if echo "$TAG" | grep -qE '(alpha|beta|rc)'; then
            IS_PRE="true"
          fi

          RELEASE=$(curl -s -X POST "$BASE_URL/releases" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/json" \
            -d "{
              \"tag_name\": \"$TAG\",
              \"name\": \"LedGrab $TAG\",
              \"body\": \"## Downloads\\n\\n| Platform | File | How to run |\\n|----------|------|------------|\\n| Windows | \`LedGrab-${TAG}-win-x64.zip\` | Unzip → run \`LedGrab.bat\` → open http://localhost:8080 |\\n| Linux | \`LedGrab-${TAG}-linux-x64.tar.gz\` | Extract → run \`./run.sh\` → open http://localhost:8080 |\\n| Docker | See below | \`docker pull\` → \`docker run\` |\\n\\n### Docker\\n\\n\`\`\`bash\\ndocker pull ${{ gitea.server_url }}/${{ gitea.repository }}:${TAG}\\ndocker run -d -p 8080:8080 ${{ gitea.server_url }}/${{ gitea.repository }}:${TAG}\\n\`\`\`\",
              \"draft\": false,
              \"prerelease\": $IS_PRE
            }")

          RELEASE_ID=$(echo "$RELEASE" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
          echo "release_id=$RELEASE_ID" >> "$GITHUB_OUTPUT"
          echo "Created release ID: $RELEASE_ID"

  # ── Windows portable ZIP ───────────────────────────────────
  build-windows:
    needs: create-release
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Build portable distribution
        shell: pwsh
        run: |
          .\build-dist.ps1 -Version "${{ gitea.ref_name }}"

      - name: Upload build artifact
        uses: actions/upload-artifact@v3
        with:
          name: LedGrab-${{ gitea.ref_name }}-win-x64
          path: build/LedGrab-*.zip
          retention-days: 90

      - name: Attach ZIP to release
        shell: bash
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          TAG="${{ gitea.ref_name }}"
          RELEASE_ID="${{ needs.create-release.outputs.release_id }}"
          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"
          ZIP_FILE=$(ls build/LedGrab-*.zip | head -1)
          ZIP_NAME=$(basename "$ZIP_FILE")

          curl -s -X POST \
            "$BASE_URL/releases/$RELEASE_ID/assets?name=$ZIP_NAME" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/octet-stream" \
            --data-binary "@$ZIP_FILE"

          echo "Uploaded: $ZIP_NAME"

  # ── Linux tarball ──────────────────────────────────────────
  build-linux:
    needs: create-release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends libportaudio2

      - name: Build Linux distribution
        run: |
          chmod +x build-dist.sh
          ./build-dist.sh "${{ gitea.ref_name }}"

      - name: Upload build artifact
        uses: actions/upload-artifact@v3
        with:
          name: LedGrab-${{ gitea.ref_name }}-linux-x64
          path: build/LedGrab-*.tar.gz
          retention-days: 90

      - name: Attach tarball to release
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          TAG="${{ gitea.ref_name }}"
          RELEASE_ID="${{ needs.create-release.outputs.release_id }}"
          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"
          TAR_FILE=$(ls build/LedGrab-*.tar.gz | head -1)
          TAR_NAME=$(basename "$TAR_FILE")

          curl -s -X POST \
            "$BASE_URL/releases/$RELEASE_ID/assets?name=$TAR_NAME" \
            -H "Authorization: token $GITEA_TOKEN" \
            -H "Content-Type: application/octet-stream" \
            --data-binary "@$TAR_FILE"

          echo "Uploaded: $TAR_NAME"

  # ── Docker image ───────────────────────────────────────────
  build-docker:
    needs: create-release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ gitea.server_url }}
          username: ${{ gitea.actor }}
          password: ${{ secrets.GITEA_TOKEN }}

      - name: Extract version metadata
        id: meta
        run: |
          TAG="${{ gitea.ref_name }}"
          VERSION="${TAG#v}"
          REGISTRY="${{ gitea.server_url }}/${{ gitea.repository }}"
          # Lowercase the registry path (Docker requires it)
          REGISTRY=$(echo "$REGISTRY" | tr '[:upper:]' '[:lower:]' | sed 's|https\?://||')

          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
          echo "registry=$REGISTRY" >> "$GITHUB_OUTPUT"

          # Build tag list: version + latest (only for stable releases)
          TAGS="$REGISTRY:$TAG,$REGISTRY:$VERSION"
          if ! echo "$TAG" | grep -qE '(alpha|beta|rc)'; then
            TAGS="$TAGS,$REGISTRY:latest"
          fi
          echo "tags=$TAGS" >> "$GITHUB_OUTPUT"

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./server
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: |
            org.opencontainers.image.version=${{ steps.meta.outputs.version }}
            org.opencontainers.image.revision=${{ gitea.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max