name: Unreal Engine Build

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]

jobs:
  windows-build:
    runs-on: windows
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          lfs: true
          fetch-depth: 0
      
      - name: Set Unreal Engine Path
        run: |
          echo "UE_ROOT=F:\LuckyRobots\LuckyRobots\Engine" >> $Env:GITHUB_ENV

      - name: Locate .uproject file
        run: |
          $UPROJECT_PATH = Get-ChildItem -Path "UNREAL_PROJECTS" -Filter "*.uproject" -Recurse | Select-Object -First 1 -ExpandProperty FullName
          echo "UPROJECT_PATH=$UPROJECT_PATH" >> $Env:GITHUB_ENV
          Write-Host "Found project file: $UPROJECT_PATH"

      - name: Build Unreal Project
        run: |
          & "$Env:UE_ROOT\Build\BatchFiles\RunUAT.bat" BuildCookRun `
            -project="$Env:UPROJECT_PATH" `
            -noP4 `
            -platform=Win64 `
            -clientconfig=Development `
            -cook -build -stage -pak -archive `
            -archivedirectory="${PWD}\StagedBuilds"

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: windows-build
          path: StagedBuilds/
          retention-days: 7

  macos-build:
    runs-on: macos
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          lfs: true
          fetch-depth: 0
      
      - name: Setup Unreal Engine
        run: |
          # Use the correct path where Unreal Engine is installed
          UE_PATH="/Users/Shared/Epic Games/UE_5.5"
          
          if [ ! -d "$UE_PATH" ]; then
            echo "Error: Unreal Engine is not installed in the expected location"
            echo "Please ensure Unreal Engine is installed at $UE_PATH"
            exit 1
          fi
          
          # Set environment variable with the correct Engine path
          echo "UE_ROOT=$UE_PATH/Engine" >> $GITHUB_ENV
          echo "Using Unreal Engine 5.5"
      
      - name: Build Unreal Project
        run: |
          # Debug information
          echo "=== Environment Information ==="
          echo "macOS Version:"
          sw_vers
          echo "Current working directory: $(pwd)"
          ls -la  # List all files in current directory
          
          echo "=== Unreal Engine Information ==="
          ls -la "$UE_ROOT/Build/BatchFiles"
          
          echo "=== Project Information ==="
          # Detailed search for the project file
          echo "Searching for .uproject files:"
          find . -name "*.uproject" -type f
          
          # Get the absolute path of the project file
          UPROJECT_PATH=$(find . -name "*.uproject" -type f | head -1)
          if [ -z "$UPROJECT_PATH" ]; then
            echo "Error: Could not find .uproject file"
            exit 1
          fi
          
          # Convert to absolute path and verify file exists
          UPROJECT_ABSOLUTE_PATH=$(realpath "$UPROJECT_PATH")
          echo "Project absolute path: $UPROJECT_ABSOLUTE_PATH"
          
          if [ ! -f "$UPROJECT_ABSOLUTE_PATH" ]; then
            echo "Error: Project file does not exist at: $UPROJECT_ABSOLUTE_PATH"
            exit 1
          fi
          
          echo "Using Unreal Engine at: $UE_ROOT"
          
          # Make the project file readable and executable
          chmod 755 "$UPROJECT_ABSOLUTE_PATH"
          
          # Run the build using absolute paths
          chmod +x "$UE_ROOT/Build/BatchFiles/RunUAT.sh"
          "$UE_ROOT/Build/BatchFiles/RunUAT.sh" BuildCookRun \
            -project="$UPROJECT_ABSOLUTE_PATH" \
            -noP4 \
            -platform=Mac \
            -clientconfig=Development \
            -cook -build -stage -pak -archive \
            -archivedirectory="$(pwd)/Build"
      
      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: macos-build
          path: Build/
          retention-days: 7