name: Build Linux Release

on:
  push: {}
  pull_request: {}

jobs:
  build-linux:
    runs-on: ubuntu-latest
    concurrency:
      group: build-linux-${{ github.ref }}
      cancel-in-progress: true
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential pkg-config ca-certificates curl git \
            libgl1-mesa-dev libglu1-mesa-dev libglfw3-dev libpng-dev libx11-dev \
            libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libudev-dev ccache
          # Install clang to avoid unrecognized GCC-only warnings/flags on runner
          sudo apt-get install -y clang

      - name: Setup Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.x'

      - name: Install Meson and Ninja (pip)
        run: |
          python -m pip install --upgrade pip
          pip install meson ninja

      - name: Use clang for compilation
        run: |
          echo "Using clang for CI (CC/CXX)"
        env:
          CC: clang
          CXX: clang++

      - name: Configure Meson
        env:
          CC: clang
          CXX: clang++
        run: |
          meson setup build_meson --wipe --buildtype=release

      - name: Build with Ninja
        env:
          CC: clang
          CXX: clang++
        run: |
          ninja -C build_meson -v

      - name: Package Linux executable as gzip
        env:
          GITHUB_SHA: ${{ github.sha }}
        run: |
          mkdir -p out
          SHORT_SHA=$(echo $GITHUB_SHA | cut -c1-8)
          EXE_PATH=build_meson/Minecraft.Client/Minecraft.Client
          if [ -f "$EXE_PATH" ]; then
            tar -czf out/minecraft-client-linux-${SHORT_SHA}.tar.gz -C build_meson Minecraft.Client/Minecraft.Client
            echo "packaged: out/minecraft-client-linux-${SHORT_SHA}.tar.gz"
          else
            echo "ERROR: expected executable at $EXE_PATH" >&2
            ls -la build_meson || true
            exit 1
          fi

      - name: Upload artifact (.tar.gz)
        uses: actions/upload-artifact@v4
        with:
          name: minecraft-client-linux-${{ github.sha }}
          path: out/*.tar.gz