name: "Apps: test"

on:
  pull_request:
    branches:
      - '**'
    tags-ignore:
      - '**'
    paths:
      - 'stable/**'
      - '!stable/**/*.md'
      - '!stable/**/README.md'
      - '!stable/**/README.md.gotmpl'
      - '!stable/**/app-readme.md'
      - '!stable/**/app-readme.md.gotmpl'
      - '!stable/**/docs/*'
      - 'incubator/**'
      - '!incubator/**/*.md'
      - '!incubator/**/README.md'
      - '!incubator/**/README.md.gotmpl'
      - '!incubator/**/app-readme.md'
      - '!incubator/**/app-readme.md.gotmpl'
      - '!incubator/**/docs/*'
      - '.github/workflows/apps.test.yaml'

jobs:
  catalog-test:
    runs-on: ubuntu-latest
    container:
      image: ixsystems/catalog_validation:latest

    steps:
    - uses: actions/checkout@v2
      name: Checkout
    - name: Validate catalog format
      run: |
        /bin/bash -c "PWD=${pwd}; /usr/local/bin/catalog_validate validate --path $PWD"

  changes:
    name: Get changed Apps
    runs-on: ubuntu-20.04
    outputs:
      matrix: "{\"app\": ${{ steps.reduce.outputs.apps }} }"
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - uses: dorny/paths-filter@v2
      id: filter
      with:
        list-files: json
        filters: |
          changed:
          - 'stable/**'
          - 'incubator/**'
    - run: echo '${{ toJson(steps.filter.outputs) }}' > changes.json
    - id: reduce
      run: |
        APPS=$(jq --raw-output '.changed_files | fromjson | .[] |= sub("(?<filepath>(?<first_directory>(?<root1>[\/]?)[^\/]+\/)(?<second_directory>(?<root2>[\/]?)[^\/]+)(?<extra_paths>.+))"; "\(.second_directory)") | unique' changes.json)
        echo ::set-output name=apps::${APPS}

  app-tests:
    needs: [catalog-test, changes]
    name: App Tests
    runs-on: ubuntu-latest
    strategy:
      matrix: ${{ fromJson(needs.changes.outputs.matrix) }}
      fail-fast: false
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Prepare-Lint
        id: prep-lint
        run: |
            if test -f "./stable/${{ matrix.app }}/item.yaml"; then
              train="stable"
            else
              train="incubator"
            fi
            echo ::set-output name=train::${train}
            maxfolderversion=$(ls -l ${train}/${{ matrix.app }} | grep ^d | awk '{print $9}' | tail -n 1)
            echo "Detected folder version: ${maxfolderversion}"
            mkdir ${train}/${{ matrix.app }}/${maxfolderversion}/ci  || exit 0
            cp ${train}/${{ matrix.app }}/${maxfolderversion}/test_values.yaml ${train}/${{ matrix.app }}/${maxfolderversion}/ci/test-values.yaml
            echo ::set-output name=maxfolderversion::${maxfolderversion}

      - name: Install Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.5.3

      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.0.1


      - name: Run chart-testing (lint)
        id: lint
        run: ct lint --config .github/ct-lint.yaml --charts '${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}/${{ steps.prep-lint.outputs.maxfolderversion }}'

      - name: Prepare-Test
        run: |
            mv -f ${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}/${{ steps.prep-lint.outputs.maxfolderversion }}/* ${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}/
            rm -Rf ${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}/${{ steps.prep-lint.outputs.maxfolderversion }}

      - name: Create k3d cluster
        uses: nolar/setup-k3d-k3s@v1
        with:
          version: v1.19

      - name: Run chart-testing (install)
        run: ct install --config .github/ct-install.yaml --charts '${{ steps.prep-lint.outputs.train }}/${{ matrix.app }}'

  app-tests-complete:
    needs: [app-tests]
    name: Apps Test Complete
    runs-on: ubuntu-latest
    steps:
      - name: complete message
        run: echo "App Tests Completed Successfully"