name: MSYS2 build (MinGW-w64)

on:
  pull_request:
  push:
    paths-ignore:
      - '.github/workflows/linux-build.yml'
      - '.github/workflows/macos-build.yml'
      - '.github/workflows/windows-build.yml'
      - '.gitignore'
      - 'LICENSE'
      - 'README.md'

jobs:
  build:
    strategy:
      matrix:
        msystem: [mingw64]
        os: [windows-latest]
        arch: [x86_64]
        mode: [debug, release]

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

    defaults:
      run:
        shell: msys2 {0}

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

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

    - uses: NcStudios/VulkanCI@v1.0

    # Setup MSYS2
    - uses: msys2/setup-msys2@v2
      with:
        msystem: ${{ matrix.msystem }}
        install: base-devel git unzip p7zip mingw-w64-${{ matrix.arch }}-toolchain mingw-w64-${{ matrix.arch }}-xmake
        update: true

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

    # 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: ${{ env.XMAKE_GLOBALDIR }}/.xmake/packages
        key: MinGW-${{ matrix.arch }}-${{ matrix.mode }}-${{ 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 --arch=${{ matrix.arch }} --mode=${{ matrix.confs.mode }} ${{ matrix.confs.config }} --ccache=n --unitybuild=y --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') }}

    # Build the engine
    - name: Build Pulse
      run: xmake --yes

    # Test the engine
    - name: Build Pulse
      run: |
        xmake config --vulkan-tests=y --yes
        xmake build --yes VulkanUnitTests
        xmake run --yes VulkanUnitTests