main.yml

name: Main
on:
  merge_group:
  pull_request:
    types: [ assigned, opened, synchronize, reopened, labeled, unlabeled ]
  push:
    branches:
      - main
      - v*.*.*
  
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  labeler:
    name: Chart Diff Labeler
    permissions:
      contents: read
      pull-requests: write
    runs-on: formance-runner
    steps:
      - uses: 'actions/checkout@v4'
        with:
          fetch-depth: 0
      - uses: actions/labeler@v5
        with:
          sync-labels: true
      - name: Retrieve chart changes
        id: chart_changes
        run: |
          CHARTS=$(git diff origin/main --stat | grep -oE 'charts/[^/]+/' | sed 's|charts/||;s|/||' | sort -u | jq -R -s -c 'split("\n") | map(select(. != ""))')
          echo "Changed charts: $CHARTS"
          echo "::set-output name=changed_charts::$CHARTS"

      - name: Label PR based on chart changes
        if: steps.chart_changes.outputs.changed_charts != ''
        uses: actions/github-script@v7
        env:
          CHARTS: ${{ steps.chart_changes.outputs.changed_charts }}
        with:
          script: |
            const charts = JSON.parse(process.env.CHARTS);
            const labels = charts.map(chart => `chart-${chart.trim()}`).filter(label => label.length > 0);

            if (labels.length > 0) {
              console.log(`Applying labels: ${labels.join(', ')}`);
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                labels: labels
              });
            } else {
              console.log('No charts changed, skipping labeling.');
            }

  pr_name:
    if: github.event_name == 'pull_request'
    name: Check PR Title
    runs-on: formance-runner
    permissions:
      statuses: write
    steps:
      - uses: amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  
  tests:
    name: Tests Charts
    timeout-minutes: 2
    runs-on: formance-runner
    needs: chart_any
    steps:
    - uses: 'actions/checkout@v4'
      with:
        fetch-depth: 0
    - name: Tests
      run: earthly +tests 

  chart_any:
    name: Any Chart
    timeout-minutes: 1
    runs-on: formance-runner
    needs: chart_matrix_labels
    strategy:
      matrix: 
        chart: ${{ fromJson(needs.chart_matrix_labels.outputs.charts) }}
    steps:
      - uses: 'actions/checkout@v4'
        with:
          fetch-depth: 0
      - uses: ./.github/actions/helm/anychart
        with:
          CHART_NAME: ${{ matrix.chart }}
          CHART_DIR: charts

  chart_matrix_labels:
    if: github.event.pull_request.labels != ''
    name: Check for Labels
    needs: readme
    timeout-minutes: 1
    runs-on: formance-runner
    outputs:
      charts: ${{ steps.set-matrix.outputs.charts }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
      - name: Check for Labels
        id: set-matrix
        run: |
          # Extract labels and filter chart labels
          CHART_LABELS=$(echo '${{ toJSON(github.event.pull_request.labels) }}' | jq -r '.[].name | select(startswith("chart-")) | sub("chart-"; "")' | jq -R -s -c 'split("\n") | map(select(. != ""))')

          # Set the output to be used in the next job
          echo "charts=${CHART_LABELS}"
          echo "charts=${CHART_LABELS}" >> $GITHUB_OUTPUT

  readme:
    name: Readme
    timeout-minutes: 1
    needs: labeler
    runs-on: formance-runner
    steps:
    - uses: 'actions/checkout@v4'
      with:
        fetch-depth: 0
    - name: Base Earthly action
      uses: ./.github/actions/earthly/base
    - name: Readme
      run: earthly +readme
    - name: Dirty
      uses: ./.github/actions/github/dirty