# Reusable workflow: Engine + Launcher (Cat 1 per ADR-0025)
# C-Build (Windows + Linux) → smoke tests → on-tag: release artefacts
name: Engine + Launcher CI

on:
  workflow_call:
    inputs:
      build_type:
        description: "CMake build type"
        type: string
        default: "Release"
      smoke_test_script:
        description: "Path to smoke-test script (relative to repo root); empty = skip"
        type: string
        default: "tests/smoke.sh"

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        # Windows entry deferred — Davoryn runner pool currently Linux-only.
        # Re-add 'windows-latest' once a Windows runner is provisioned.
        os: [ubuntu-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install build tools + Raylib deps (Linux)
        if: runner.os == 'Linux'
        run: |
          apt-get update -qq
          # Build essentials
          apt-get install -y cmake build-essential ninja-build zip unzip git curl
          # Raylib Linux dependencies (X11, OpenGL, Wayland, audio)
          # See https://github.com/raysan5/raylib/wiki/Working-on-GNU-Linux
          apt-get install -y \
            libasound2-dev \
            libx11-dev libxrandr-dev libxi-dev libxcursor-dev libxinerama-dev \
            libxkbcommon-dev libwayland-dev \
            libgl1-mesa-dev libglu1-mesa-dev
          # xvfb: headless X server for window-opening smoke tests
          apt-get install -y xvfb

      - name: Configure CMake
        run: cmake -B build -DCMAKE_BUILD_TYPE=${{ inputs.build_type }}

      - name: Build
        run: cmake --build build --config ${{ inputs.build_type }} --parallel

      - name: Smoke tests
        if: hashFiles(inputs.smoke_test_script) != ''
        shell: bash
        run: |
          chmod +x "${{ inputs.smoke_test_script }}" || true
          "${{ inputs.smoke_test_script }}"

      - name: Install (on tag)
        if: startsWith(github.ref, 'refs/tags/')
        run: cmake --install build --prefix=${{ github.workspace }}/install --config ${{ inputs.build_type }}

      - name: Package release artefacts (on tag)
        if: startsWith(github.ref, 'refs/tags/')
        shell: bash
        run: |
          OS_TAG="${{ matrix.os }}"
          OS_TAG="${OS_TAG//-latest/}"
          ARTEFACT_NAME="${GITHUB_REPOSITORY##*/}-${GITHUB_REF_NAME}-${OS_TAG}.zip"
          cd install && zip -r "../${ARTEFACT_NAME}" . && cd ..
          echo "ARTEFACT_NAME=${ARTEFACT_NAME}" >> "$GITHUB_ENV"

      - name: Upload to Gitea Release (on tag)
        if: startsWith(github.ref, 'refs/tags/')
        uses: akkuman/gitea-release-action@v1
        with:
          files: ${{ env.ARTEFACT_NAME }}