name: "Pull Request: Validate"

on:
  pull_request:
    types:
      - opened
      - reopened
      - ready_for_review
      - synchronize
  workflow_dispatch:

concurrency:
  group: ${{ github.head_ref }}-pr-validate
  cancel-in-progress: true

jobs:
  prepare:
    name: Prepare data required for workflow
    runs-on: ubuntu-22.04
    outputs:
      isRenovatePR: ${{ startsWith(steps.branch-name.outputs.current_branch, 'renovate/') }}
      repoConfiguration: ${{ steps.repo-config.outputs.config }}
      addedOrModifiedFiles: ${{ steps.added-modified-files.outputs.all_changed_files }}
      chartsToLint: ${{ steps.charts-to-lint.outputs.filteredCharts }}
      chartsToInstall: ${{ steps.charts-to-install.outputs.filteredCharts }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Grab repository configuration
        id: repo-config
        shell: bash
        run: |
          echo "config=$(yq '.' '.ci/repo-config.yaml' -o json -I=0)" >> "$GITHUB_OUTPUT"
          
      - name: Get branch name
        id: branch-name
        uses: tj-actions/branch-names@v6.5

      - name: Get all added or modified files
        id: added-modified-files
        uses: tj-actions/changed-files@v45

      - name: Get changed charts
        id: changed-charts
        uses: tj-actions/changed-files@v45
        with:
          matrix: true
          path: charts
          dir_names: true
          dir_names_max_depth: 2

      - name: Determine charts to lint
        id: charts-to-lint
        uses: actions/github-script@v7
        with:
          script: |
            var changedCharts = ${{ steps.changed-charts.outputs.all_changed_files }};
            var chartsToFilter = ${{ toJSON(fromJSON(steps.repo-config.outputs.config).excluded-charts-lint) }};
            let filteredCharts = changedCharts.filter(item => chartsToFilter.indexOf(item) < 0);
            core.setOutput("filteredCharts", filteredCharts);

      - name: Determine charts to install
        id: charts-to-install
        uses: actions/github-script@v7
        with:
          script: |
            var changedCharts = ${{ steps.changed-charts.outputs.all_changed_files }};
            var chartsToFilter = ${{ toJSON(fromJSON(steps.repo-config.outputs.config).excluded-charts-install) }};
            let filteredCharts = changedCharts.filter(item => chartsToFilter.indexOf(item) < 0);
            core.setOutput("filteredCharts", filteredCharts);

  pre-commit-check:
    name: Perform Pre-Commit check
    runs-on: ubuntu-22.04
    needs:
      - prepare
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Run against changes
        uses: pre-commit/action@v3.0.1
        with:
          extra_args: --files ${{ needs.prepare.outputs.addedOrModifiedFiles }} --config .ci/pre-commit/config.yaml

  charts-changelog:
    uses: ./.github/workflows/charts-changelog.yaml
    needs:
      - prepare
    with:
      isRenovatePR: ${{ needs.prepare.outputs.isRenovatePR }}
      modifiedCharts: ${{ needs.prepare.outputs.addedOrModifiedCharts }}

  charts-lint:
    uses: ./.github/workflows/charts-lint.yaml
    needs:
      - prepare
      - charts-changelog
    with:
      checkoutCommit: ${{ github.sha }}
      chartsToLint: ${{ needs.prepare.outputs.chartsToLint }}
      isRenovatePR: ${{ needs.prepare.outputs.isRenovatePR }}

  charts-test:
    name: Test charts
    uses: ./.github/workflows/charts-test.yaml
    needs:
      - prepare
    with:
      charts: ${{ needs.prepare.outputs.chartsToInstall }}