name: CI

on:
  push:
    branches:
      - main
      - '**'
  pull_request:
    branches:
      - main

jobs:
  shellcheck:
    name: Run shellcheck
    runs-on: ubuntu-latest

    steps:
      - name: Checkout to branch
        uses: actions/checkout@v2
      - name: shellcheck
        uses: reviewdog/action-shellcheck@v1.6

  test-no-head-sha:
    name: Test changed-files missing head sha
    runs-on: ${{ matrix.platform }}
    strategy:
      fail-fast: false
      matrix:
        platform: [ubuntu-latest, windows-latest, macos-latest]

    steps:
      - name: Checkout to branch
        uses: actions/checkout@v2
      
      - name: Run changed-files with defaults
        id: changed-files
        continue-on-error: true
        uses: ./
      
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files.outputs) }}"
        shell:
          bash

  test:
    name: Test changed-files
    runs-on: ${{ matrix.platform }}
    strategy:
      fail-fast: false
      matrix:
        platform: [ubuntu-latest, windows-latest, macos-latest]

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Run changed-files with defaults
        id: changed-files
        uses: ./
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files.outputs) }}"
        shell:
          bash
      - name: List all modified files
        run: |
          for file in "${{ steps.changed-files.outputs.modified_files }}"; do
            echo $file
          done
        shell:
          bash
      - name: Run step when README.md changes
        if: contains(steps.changed-files.outputs.modified_files, 'README.md')
        run: |
          echo "Your README.md has been modified ${{ steps.changed-files.outputs.modified_files }}."
        shell:
          bash
      - name: Run changed-files with comma separator
        id: changed-files-comma
        uses: ./
        with:
          separator: ","
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-comma.outputs) }}"
        shell:
          bash
      - name: Run changed-files with specific files
        id: changed-files-specific
        uses: ./
        with:
          files: |
            .github/workflows/test.yml
            action.yml
      - name: Verify any_changed files
        if: "!contains(steps.changed-files-specific.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific.outputs.all_modified_files, '.github/workflows/test.yml')"
        run: |
          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
            exit 1
          fi
        shell:
          bash
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
        shell:
          bash
      - name: Run changed-files with specific files comma separator
        id: changed-files-specific-comma
        uses: ./
        with:
          files: |
            .github/workflows/test.yml
            action.yml
          separator: ","
      - name: Verify any_changed files comma separator
        if: "!contains(steps.changed-files-specific-comma.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-comma.outputs.all_modified_files, '.github/workflows/test.yml')"
        run: |
          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
            exit 1
          fi
        shell:
          bash
      - name: Run changed-files with specific files from a source file
        id: changed-files-specific-source-file
        uses: ./
        with:
          files_from_source_file: |
            test/changed-files-list.txt
            test/changed-files-list.txt
          files: |
            .github/workflows/rebase.yml
      - name: Verify any_changed files
        if: "!contains(steps.changed-files-specific.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific.outputs.all_modified_files, '.github/workflows/test.yml')"
        run: |
          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
            exit 1
          fi
        shell:
          bash
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-specific.outputs) }}"
        shell:
          bash
      - name: Run changed-files with specific files from a source file using a comma separator
        id: changed-files-specific-comma-source-file
        uses: ./
        with:
          files_from_source_file: |
            test/changed-files-list.txt
          separator: ","
      - name: Verify any_changed files comma separator
        if: "!contains(steps.changed-files-specific-comma.outputs.all_modified_files, 'action.yml') && !contains(steps.changed-files-specific-comma.outputs.all_modified_files, '.github/workflows/test.yml')"
        run: |
          if [[ "${{ steps.changed-files-specific.outputs.any_changed }}" != "false" ]]; then
            echo "Invalid output: Expected (false) got (${{ steps.changed-files-specific.outputs.any_changed }})"
            exit 1
          fi
        shell:
          bash
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-specific-comma.outputs) }}"
        shell:
          bash
      - name: Run changed-files with custom sha
        id: changed-files-custom-sha
        uses: ./
        with:
          sha: ${{ github.event.pull_request.head.sha }}
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-custom-sha.outputs) }}"
        shell:
          bash
      - name: Get branch name
        id: branch-name
        uses: tj-actions/branch-names@v4.5
      - uses: nrwl/last-successful-commit-action@v1
        id: last_successful_commit
        with:
          branch: ${{ steps.branch-name.outputs.base_ref_branch }}
          workflow_id: 'test.yml'
          github_token: ${{ secrets.GITHUB_TOKEN }}
      - name: Run changed-files with a custom base sha
        id: changed-files-custom-base-sha
        uses: ./
        with:
          base_sha: ${{ steps.last_successful_commit.outputs.commit_hash }}
      - name: Show output
        run: |
          echo "${{ toJSON(steps.changed-files-custom-sha.outputs) }}"
        shell:
          bash