name: Build and Push Docker Image

on:
  push:
    branches: [master]
  workflow_dispatch:

permissions:
  contents: read
  actions: write

jobs:
  build-and-push:
    name: Build & Push Docker Image
    runs-on: ubuntu-latest
    outputs:
      image_tag: ${{ steps.meta.outputs.tag }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Generate image metadata
        id: meta
        run: |
          VERSION=$(cat deb/PACKAGE | grep -oP '\d+\.\d+\.\d+' | head -1 || echo "unknown")
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          echo "tag=${VERSION}-${SHORT_SHA}" >> $GITHUB_OUTPUT
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "Image will be tagged: ${VERSION}-${SHORT_SHA}"

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

      - name: Login to registry
        run: |
          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login registry.johnogle.info -u ${{ secrets.REGISTRY_USERNAME }} --password-stdin

      - name: Build and push (deb)
        uses: docker/build-push-action@v5
        with:
          context: ./deb
          push: true
          tags: |
            registry.johnogle.info/protonmail-bridge:${{ steps.meta.outputs.tag }}
            registry.johnogle.info/protonmail-bridge:latest
          platforms: linux/amd64

  deploy:
    name: Deploy to Production
    runs-on: ubuntu-latest
    needs: build-and-push
    if: github.ref == 'refs/heads/master' && github.event_name == 'push'
    steps:
      - name: Checkout k3s-cluster-config
        uses: actions/checkout@v4
        with:
          repository: johno/k3s-cluster-config
          token: ${{ secrets.CONFIG_REPO_TOKEN }}
          path: k3s-cluster-config

      - name: Update HelmRelease image tag
        run: |
          cd k3s-cluster-config
          sed -i 's|repository: shenxn/protonmail-bridge|repository: registry.johnogle.info/protonmail-bridge|' \
            clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml
          sed -i 's/tag: .*/tag: "${{ needs.build-and-push.outputs.image_tag }}"/' \
            clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml

      - name: Commit and push
        run: |
          cd k3s-cluster-config
          git config user.name "Gitea CI"
          git config user.email "ci@johnogle.info"
          git add clusters/oglenet/apps/infrastructure/protonmail-bridge.yaml
          git diff --cached --quiet || git commit -m "Deploy protonmail-bridge:${{ needs.build-and-push.outputs.image_tag }}"
          git push