name: Metal

on:
  pull_request:
  push:
    paths-ignore:
      - '.github/workflows/*.yml'
      - '!.github/workflows/metal-test-macos.yml'
      - '.gitignore'
      - 'LICENSE'
      - 'CHANGELOG.md'
      - 'README.md'

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os: [macOS-latest]
        arch: [x86_64]
        confs:
        - { mode: debug, archive: yes }

    runs-on: ${{ matrix.os }}
    if: ${{ !contains(github.event.head_commit.message, 'ci skip') }}

    steps:
    - name: Get current date as package key
      id: cache_key
      run: echo "key=$(date +'%W')" >> $GITHUB_OUTPUT

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

    # Force xmake to a specific folder (for cache)
    - name: Set xmake env
      run: echo "XMAKE_GLOBALDIR=${{ runner.workspace }}/xmake-global" >> $GITHUB_ENV

    # Install xmake
    - name: Setup xmake
      uses: xmake-io/github-action-setup-xmake@v1
      with:
        xmake-version: branch@dev
        actions-cache-folder: .xmake-cache-W${{ steps.cache_key.outputs.key }}

    # Update xmake repository (in order to have the file that will be cached)
    - name: Update xmake repository
      run: xmake repo --update

    # Fetch xmake dephash
    - name: Retrieve dependencies hash
      id: dep_hash
      run: echo "hash=$(xmake l utils.ci.packageskey)" >> $GITHUB_OUTPUT

    # Cache xmake dependencies
    - name: Restore cached xmake dependencies
      id: restore-depcache
      uses: actions/cache/restore@v4
      with:
        path: ${{ env.XMAKE_GLOBALDIR }}/.xmake/packages
        key: MacOS-${{ matrix.arch }}-${{ matrix.confs.mode }}${{ matrix.confs.cache_key }}-${{ steps.dep_hash.outputs.hash }}-W${{ steps.cache_key.outputs.key }}

    # Setup compilation mode and install project dependencies
    - name: Configure xmake and install dependencies
      run: xmake config --metal=y --examples=y --arch=${{ matrix.arch }} --mode=${{ matrix.confs.mode }} ${{ matrix.confs.config }} --ccache=n --yes

    # Save dependencies
    - name: Save cached xmake dependencies
      if: ${{ !steps.restore-depcache.outputs.cache-hit }}
      uses: actions/cache/save@v4
      with:
        path: ${{ env.XMAKE_GLOBALDIR }}/.xmake/packages
        key: ${{ steps.restore-depcache.outputs.cache-primary-key }}

    # Cache assets downloading
    - name: Restore cached assets
      id: restore-assets
      uses: actions/cache/restore@v4
      with:
        path: assets
        key: assets-${{ hashFiles('assets/examples_version.txt', 'assets/unittests_version.txt') }}

    - name: Test Metal
      run: |
        xmake build --yes MetalExample
        xmake run --yes MetalExample