name: "Pull Request: Validate"

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

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

permissions:
  contents: read

jobs:
  prepare:
    name: Prepare data required for workflow
    runs-on: ubuntu-24.04
    outputs:
      repoConfiguration: ${{ steps.repo-config.outputs.config }}
      addedOrModifiedFiles: ${{ steps.added-modified-files.outputs.changed_files }}
      chartsToLint: ${{ steps.charts-to-lint.outputs.filteredCharts }}
      chartsToInstall: ${{ steps.charts-to-install.outputs.filteredCharts }}
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - 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 all added or modified files
        id: added-modified-files
        uses: bjw-s-labs/action-changed-files@b1144fc772fca235a50902c7bb6cc431cc7d8e27 # v0.3.2

      - name: Get all added or modified charts
        id: changed-charts
        uses: bjw-s-labs/action-changed-files@b1144fc772fca235a50902c7bb6cc431cc7d8e27 # v0.3.2
        with:
          path: charts
          include_only_directories: true
          max_depth: 2

      - name: Determine charts to lint
        id: charts-to-lint
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        env:
          CHANGED_CHARTS: ${{ steps.changed-charts.outputs.changed_files }}
          REPO_SETTINGS: ${{ steps.repo-config.outputs.config }}
        with:
          script: |
            const { CHANGED_CHARTS, REPO_SETTINGS } = process.env;
            const changedCharts = JSON.parse(CHANGED_CHARTS);
            const repoSettings = JSON.parse(REPO_SETTINGS);
            const chartsToFilter = repoSettings['excluded-charts-lint'];
            let filteredCharts = changedCharts.filter(item => chartsToFilter.indexOf(item) < 0);
            core.setOutput("filteredCharts", filteredCharts);
            console.log('charts to lint:', JSON.stringify(filteredCharts, null, 2));

      - name: Determine charts to install
        id: charts-to-install
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        env:
          CHANGED_CHARTS: ${{ steps.changed-charts.outputs.changed_files }}
          REPO_SETTINGS: ${{ steps.repo-config.outputs.config }}
        with:
          script: |
            const { CHANGED_CHARTS, REPO_SETTINGS } = process.env;
            const changedCharts = JSON.parse(CHANGED_CHARTS);
            const repoSettings = JSON.parse(REPO_SETTINGS);
            const chartsToFilter = repoSettings['excluded-charts-install'];
            let filteredCharts = changedCharts.filter(item => chartsToFilter.indexOf(item) < 0);
            core.setOutput("filteredCharts", filteredCharts);
            console.log('charts to install:', JSON.stringify(filteredCharts, null, 2));

  pre-commit-check:
    name: Perform Pre-Commit check
    runs-on: ubuntu-24.04
    needs:
      - prepare
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - name: Run against changes
        uses: pre-commit/action@2c7b3805fd2a0fd8c1884dcaebf91fc102a13ecd # v3.0.1
        with:
          extra_args: --files ${{ join(fromJSON(needs.prepare.outputs.addedOrModifiedFiles), ' ') }} --config .ci/pre-commit/config.yaml

  charts-lint:
    name: Lint charts
    uses: ./.github/workflows/charts-lint.yaml
    needs:
      - prepare
    with:
      charts: ${{ needs.prepare.outputs.chartsToLint }}

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