name: CI Built-in Cache Test
on: [push]

jobs:
  test-cache:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository code
        uses: actions/checkout@v4

      # 1. Ask Gitea to look for an existing cache match
      - name: Cache Mock Engine
        id: engine-cache
        uses: actions/cache@v4
        with:
          path: ./mock_downloads          # The folder we want to preserve
          key: mock-engine-cache-v1       # The unique identifier for this cache

      # 2. This step only runs if there was a CACHE MISS
      - name: Simulate Asset Download (On Cache Miss)
        if: steps.engine-cache.outputs.cache-hit != 'true'
        run: |
          echo "📥 CACHE MISS! Creating the folder and simulating a file download..."
          mkdir -p ./mock_downloads
          echo "Mock Godot Engine Data v4.7" > ./mock_downloads/dummy_engine.txt

      # 3. This runs ALWAYS to verify the file is where it should be
      - name: Verify Workspace Output
        run: |
          echo "🔍 Verifying file presence..."
          if [ -f "./mock_downloads/dummy_engine.txt" ]; then
            echo "✅ File found! Content: $(cat ./mock_downloads/dummy_engine.txt)"
          else
            echo "❌ File not found!"
            exit 1
          fi