name: "Charts: Lint"

on:
  workflow_call:
    inputs:
      charts:
        description: >
          Json encoded list of Helm charts to release.
          Defaults to releasing everything.
        default: "[]"
        required: true
        type: string
      helmVersion:
        description: >
          Helm version to use.
        default: "3.11.2"
        required: false
        type: string

jobs:
  lint-chart:
    if: ${{ inputs.charts != '[]' && inputs.charts != '' }}
    name: Lint chart
    strategy:
      matrix:
        chart: ${{ fromJSON(inputs.charts) }}
      fail-fast: false
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Kubernetes tools
        uses: yokawasa/action-setup-kube-tools@v0.11.2
        with:
          setup-tools: |
            helmv3
          helm: "${{ inputs.helmVersion }}"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.7.0

      - name: Dereference JSON schema
        uses: bjw-s/helm-charts-actions/dereference-json-schema@main
        with:
          schemaFile: "charts/${{ matrix.chart }}/values.schema.json"
          outputFile: "charts/${{ matrix.chart }}/values.schema.json"
          allowFileNotFound: true

      - name: Run chart-testing (lint)
        run: ct lint --config .ci/ct/ct.yaml --charts "charts/${{ matrix.chart }}"

  lint_success:
    needs:
      - lint-chart
    if: |
      always()
    name: Lint successful
    runs-on: ubuntu-latest
    steps:
      - name: Check matrix status
        if: >-
          ${{
              (
                inputs.chartsToLint != '' && inputs.chartsToLint != '[]'
              ) &&
              (
                contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')
              )
          }}
        run: exit 1