name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write
  packages: write

jobs:
  # Update VERSION file with tag version
  update-version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Update VERSION file
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "$VERSION" > backend/cmd/server/VERSION
          echo "Updated VERSION file to: $VERSION"

      - name: Upload VERSION artifact
        uses: actions/upload-artifact@v4
        with:
          name: version-file
          path: backend/cmd/server/VERSION
          retention-days: 1

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: frontend/package-lock.json

      - name: Install dependencies
        run: npm ci
        working-directory: frontend

      - name: Build frontend
        run: npm run build
        working-directory: frontend

      - name: Upload frontend artifact
        uses: actions/upload-artifact@v4
        with:
          name: frontend-dist
          path: backend/internal/web/dist/
          retention-days: 1

  release:
    needs: [update-version, build-frontend]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Download VERSION artifact
        uses: actions/download-artifact@v4
        with:
          name: version-file
          path: backend/cmd/server/

      - name: Download frontend artifact
        uses: actions/download-artifact@v4
        with:
          name: frontend-dist
          path: backend/internal/web/dist/

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.24'
          cache-dependency-path: backend/go.sum

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v6
        with:
          version: '~> v2'
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # ===========================================================================
  # Docker Build and Push
  # ===========================================================================
  docker:
    needs: [update-version, build-frontend]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download VERSION artifact
        uses: actions/download-artifact@v4
        with:
          name: version-file
          path: backend/cmd/server/

      - name: Download frontend artifact
        uses: actions/download-artifact@v4
        with:
          name: frontend-dist
          path: backend/internal/web/dist/

      # Extract version from tag
      - name: Extract version
        id: version
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Version: $VERSION"

      # Set up Docker Buildx for multi-platform builds
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      # Login to DockerHub
      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      # Extract metadata for Docker
      - name: Extract Docker metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            weishaw/sub2api
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable={{is_default_branch}}

      # Build and push Docker image
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.version.outputs.version }}
            COMMIT=${{ github.sha }}
            DATE=${{ github.event.head_commit.timestamp }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      # Update DockerHub description (optional)
      - name: Update DockerHub description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: weishaw/sub2api
          short-description: "Sub2API - AI API Gateway Platform"
          readme-filepath: ./deploy/DOCKER.md