name: Test
on:
  push:
    paths-ignore:
      - '**.md'
  pull_request:
    paths-ignore:
      - '**.md'

jobs:
  build:
    name: Build

    strategy:
      matrix:
        runs-on: [ubuntu-latest, macos-latest, windows-latest]
      fail-fast: false

    runs-on: ${{ matrix.runs-on }}

    steps:
    - name: Checkout
      uses: actions/checkout@v4

    - name: Setup Node 20
      uses: actions/setup-node@v4
      with:
        node-version: 20.x
        cache: 'npm'

    - name: npm install
      run: npm install

    - name: Compile
      run: npm run build

    - name: Lint
      run: npm run lint

    - name: Format
      run: npm run format-check

    - name: Create artifacts
      run: |
        mkdir -p path/to/artifact-A
        mkdir -p path/to/artifact-B
        echo "Lorem ipsum dolor sit amet" > path/to/artifact-A/file-A.txt
        echo "Hello world from file B" > path/to/artifact-B/file-B.txt

    - name: Upload artifact A
      uses: actions/upload-artifact@v4
      with:
        name: Artifact-A-${{ matrix.runs-on }}
        path: path/to/artifact-A

    - name: Upload artifact B
      uses: actions/upload-artifact@v4
      with:
        name: Artifact-B-${{ matrix.runs-on }}
        path: path/to/artifact-B

    # Test downloading a single artifact
    - name: Download artifact A
      uses: ./
      with:
        name: Artifact-A-${{ matrix.runs-on }}
        path: some/new/path

    # Test downloading an artifact using tilde expansion
    - name: Download artifact A
      uses: ./
      with:
        name: Artifact-A-${{ matrix.runs-on }}
        path: ~/some/path/with/a/tilde

    - name: Verify successful download
      run: |
        $file1 = "some/new/path/file-A.txt"
        $file2 = "~/some/path/with/a/tilde/file-A.txt"
        if(!(Test-Path -path $file1) -or !(Test-Path -path $file2))
        {
            Write-Error "Expected files do not exist"
        }
        if(!((Get-Content $file1) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $file2) -ceq "Lorem ipsum dolor sit amet"))
        {
            Write-Error "File contents of downloaded artifacts are incorrect"
        }
      shell: pwsh

    # Test downloading both artifacts at once
    - name: Download all Artifacts
      uses: ./
      with:
        path: some/other/path

    - name: Verify successful download
      run: |
        $fileA = "some/other/path/Artifact-A-${{ matrix.runs-on }}/file-A.txt"
        $fileB = "some/other/path/Artifact-B-${{ matrix.runs-on }}/file-B.txt"
        if(!(Test-Path -path $fileA) -or !(Test-Path -path $fileB))
        {
            Write-Error "Expected files do not exist"
        }
        if(!((Get-Content $fileA) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $fileB) -ceq "Hello world from file B"))
        {
            Write-Error "File contents of downloaded artifacts are incorrect"
        }
      shell: pwsh

    # Test glob downloading both artifacts to same directory
    - name: Download all Artifacts
      uses: ./
      with:
        pattern: Artifact-*
        path: single/directory
        merge-multiple: true

    - name: Verify successful download
      run: |
        $fileA = "single/directory/file-A.txt"
        $fileB = "single/directory/file-B.txt"
        if(!(Test-Path -path $fileA) -or !(Test-Path -path $fileB))
        {
            Write-Error "Expected files do not exist"
        }
        if(!((Get-Content $fileA) -ceq "Lorem ipsum dolor sit amet") -or !((Get-Content $fileB) -ceq "Hello world from file B"))
        {
            Write-Error "File contents of downloaded artifacts are incorrect"
        }
      shell: pwsh

    - name: Download non-existent Artifact
      id: not-existent-artifact
      uses: ./
      with:
        name: Artifact-C-${{ matrix.runs-on }}
        allow-not-found: true

    - name: Verify empty download-path output
      if: ${{ steps.not-existent-artifact.outputs.download-path != '' }}
      run: |
        Write-Error "Expected download-path output is not empty"