name: Build and Push Docker Image
run-name: ${{ gitea.actor }} is building and pushing TheChart Docker image 🚀
on:
  push:
    branches:
      - main
      - master
    tags:
      - "v*"

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch full history for release notes generation

      - name: Install Docker
        run: curl -fsSL https://get.docker.com | sh
        # uses: docker/setup-docker-action@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64,amd64

      - 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-http.taildb3494.ts.net
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: gitea-http.taildb3494.ts.net/will/thechart
          tags: |
            type=semver,pattern={{version}}
            type=ref,event=branch
            type=ref,event=pr
            type=sha,format=short

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64/v8
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=gitea-http.taildb3494.ts.net/will/thechart:buildcache
          cache-to: type=registry,ref=gitea-http.taildb3494.ts.net/will/thechart:buildcache,mode=max

      - name: Generate release notes
        id: release_notes
        if: startsWith(gitea.ref, 'refs/tags/')
        run: |
          # Get the current tag
          CURRENT_TAG=${GITEA_REF#refs/tags/}

          # Get the previous tag
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          # Generate release notes from commits
          if [ -n "$PREVIOUS_TAG" ]; then
            echo "## Changes from $PREVIOUS_TAG to $CURRENT_TAG" > release_notes.md
            echo "" >> release_notes.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..$CURRENT_TAG >> release_notes.md
          else
            echo "## Initial Release $CURRENT_TAG" > release_notes.md
            echo "" >> release_notes.md
            git log --pretty=format:"- %s (%h)" >> release_notes.md
          fi

          # Add Docker image information
          echo "" >> release_notes.md
          echo "## Docker Images" >> release_notes.md
          echo "" >> release_notes.md
          echo "This release includes multi-platform Docker images:" >> release_notes.md
          echo "- \`gitea-http.taildb3494.ts.net/will/thechart:$CURRENT_TAG\`" >> release_notes.md
          echo "- \`gitea-http.taildb3494.ts.net/will/thechart:latest\`" >> release_notes.md

          # Output the release notes content for use in next step
          echo "release_notes<<EOF" >> $GITEA_OUTPUT
          cat release_notes.md >> $GITEA_OUTPUT
          echo "EOF" >> $GITEA_OUTPUT

      - name: Create Release
        if: startsWith(gitea.ref, 'refs/tags/')
        uses: actions/create-release@v1
        env:
          RELEASE_TOKEN: ${{ secrets.RELEASE_TOKEN }}
        with:
          tag_name: ${{ gitea.ref_name }}
          release_name: Release ${{ gitea.ref_name }}
          body: ${{ steps.release_notes.outputs.release_notes }}
          draft: false
          prerelease: false