name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  headless-tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Godot 4.3
        run: |
          curl -sL -o /tmp/godot.zip \
            https://github.com/godotengine/godot/releases/download/4.3-stable/Godot_v4.3-stable_linux.x86_64.zip
          unzip -o /tmp/godot.zip -d /tmp/godot-bin
          sudo install /tmp/godot-bin/Godot_v4.3-stable_linux.x86_64 /usr/local/bin/godot

      - name: Cache .godot import artifacts
        uses: actions/cache@v4
        with:
          path: .godot
          key: godot-import-${{ hashFiles('project.godot', 'src/**/*.gd') }}

      - name: Import project (build class cache)
        run: godot --headless --import || true

      - name: Run headless test suite
        run: |
          set +e
          output=$(godot --headless --path . --script res://src/test/test_runner.gd 2>&1)
          status=$?
          echo "$output"
          if [ $status -ne 0 ]; then
            echo "::error::Headless tests failed"
            exit 1
          fi
          if echo "$output" | grep -q "SCRIPT ERROR"; then
            echo "::error::Script errors detected"
            exit 1
          fi
          exit 0