name: Build Docker Image and Release

on:
  push:
    tags:
      - 'v*'  # Triggers on version tags like v1.0.0
  workflow_dispatch:  # Allows manual triggering

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    permissions:
      contents: write  # Required to create/update releases
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Extract version from tag
        id: tag_version
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/}
            echo "version=$VERSION" >> $GITHUB_OUTPUT
          else
            VERSION="latest-$(date +%Y%m%d-%H%M%S)"
            echo "version=$VERSION" >> $GITHUB_OUTPUT
          fi

      - name: Build Docker image
        run: |
          docker build -t automatic-linkedin-answer-ai:${{ steps.tag_version.outputs.version }} \
                       -t automatic-linkedin-answer-ai:latest .

      - name: Save Docker image as tar
        run: |
          docker save automatic-linkedin-answer-ai:${{ steps.tag_version.outputs.version }} \
            | gzip > automatic-linkedin-answer-ai-${{ steps.tag_version.outputs.version }}.tar.gz
          ls -lh automatic-linkedin-answer-ai-*.tar.gz

      - name: Create or update release (Gitea API)
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          TAG_NAME=${GITHUB_REF#refs/tags/}
          RELEASE_NAME="Release $TAG_NAME"
          IMAGE_FILE="automatic-linkedin-answer-ai-$TAG_NAME.tar.gz"
          
          # Check if release exists
          RELEASE_ID=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "${{ github.api_url }}/repos/${{ github.repository }}/releases/tags/$TAG_NAME" \
            | grep -o '"id":[0-9]*' | head -1 | cut -d':' -f2)
          
          if [ -z "$RELEASE_ID" ]; then
            # Create new release
            curl -X POST \
              -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
              -H "Content-Type: application/json" \
              -d "{\"tag_name\":\"$TAG_NAME\",\"name\":\"$RELEASE_NAME\",\"draft\":false,\"prerelease\":false}" \
              "${{ github.api_url }}/repos/${{ github.repository }}/releases" > /tmp/release.json
            
            RELEASE_ID=$(grep -o '"id":[0-9]*' /tmp/release.json | head -1 | cut -d':' -f2)
          fi
          
          # Upload asset
          curl -X POST \
            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            -H "Content-Type: application/gzip" \
            --data-binary "@$IMAGE_FILE" \
            "${{ github.api_url }}/repos/${{ github.repository }}/releases/$RELEASE_ID/assets?name=$IMAGE_FILE"

      - name: Upload image artifact (for manual builds)
        if: github.event_name == 'workflow_dispatch'
        uses: actions/upload-artifact@v3
        with:
          name: docker-image
          path: automatic-linkedin-answer-ai-*.tar.gz
          retention-days: 30