name: Build and Push

on:
  push:
    branches: ["main", "master"]
    tags: ["v*"]
  pull_request:
    branches: ["main", "master"]
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=ref,event=branch
            type=sha,prefix=sha-

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

  publish-chart:
    needs: build-image
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Helm
        uses: azure/setup-helm@v4

      - name: Login to GHCR
        run: echo "${{ secrets.GITHUB_TOKEN }}" | helm registry login ${{ env.REGISTRY }} --username ${{ github.actor }} --password-stdin

      - name: Get Version
        id: get_version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV

      - name: Update Chart Version and Image Tag
        run: |
          CHART_PATH="charts/gitea-runner-operator"

          # Update version (stripping v)
          sed -i "s/^version:.*/version: ${{ env.VERSION }}/" $CHART_PATH/Chart.yaml

          # Update appVersion (keeping v, matches docker tag)
          sed -i "s/^appVersion:.*/appVersion: \"v${{ env.VERSION }}\"/" $CHART_PATH/Chart.yaml

          # Update image tag in values.yaml to match the release
          # Replaces 'tag: "latest"' with 'tag: "v1.2.3"'
          sed -i 's/tag: "latest"/tag: "v${{ env.VERSION }}"/' $CHART_PATH/values.yaml

      - name: Package Helm Chart
        run: |
          helm package charts/gitea-runner-operator

      - name: Push Helm Chart
        run: |
          # Push to oci://ghcr.io/<owner>/charts
          # The chart will be accessible as oci://ghcr.io/<owner>/charts/gitea-runner-operator
          OWNER=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
          helm push gitea-runner-operator-${{ env.VERSION }}.tgz oci://${{ env.REGISTRY }}/${OWNER}/charts