name: Build and push image

on:
  push:
    branches:
      - main

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

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set image tag
        id: tag
        run: echo "value=sha-$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - 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 GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: container/Containerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ steps.tag.outputs.value }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Bump chart version and set appVersion
        id: chart
        run: |
          CURRENT=$(grep '^version:' helm/Chart.yaml | awk '{print $2}')
          MAJOR=$(echo $CURRENT | cut -d. -f1)
          MINOR=$(echo $CURRENT | cut -d. -f2)
          PATCH=$(echo $CURRENT | cut -d. -f3)
          NEW_VERSION="$MAJOR.$MINOR.$((PATCH + 1))"

          sed -i "s/^version: .*/version: $NEW_VERSION/" helm/Chart.yaml
          sed -i "s/^appVersion: .*/appVersion: \"${{ steps.tag.outputs.value }}\"/" helm/Chart.yaml

          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT

      - name: Commit and push chart update
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add helm/Chart.yaml
          git commit -m "chore: chart ${{ steps.chart.outputs.version }}, appVersion ${{ steps.tag.outputs.value }} [skip ci]"
          git push