#!/bin/bash
# Build and run Gaze application
# Usage: ./run [build|test|run]
# Default action is build and run
ACTION=${1:-run}
VERBOSE=false
OUTPUT_FILE=""
# Function to kill any existing Gaze processes
kill_existing_gaze_processes() {
    echo "🔍 Checking for existing Gaze processes..."
    
    # Find and kill any running Gaze processes
    pids=$(pgrep -f "Gaze.app")
    if [ -n "$pids" ]; then
        echo "🛑 Killing existing Gaze processes (PID(s): $pids)..."
        kill $pids 2>/dev/null
        # Wait a moment for processes to terminate
        sleep 1
    else
        echo "✅ No existing Gaze processes found"
    fi
}
# Function to update LSP configuration
update_lsp_config() {
    echo "🔧 Updating LSP configuration..."
    
    # Check if xcode-build-server is installed
    if command -v xcode-build-server &> /dev/null; then
        # Generate buildServer.json for LSP
        xcode-build-server config -project Gaze.xcodeproj -scheme Gaze > /dev/null 2>&1
        
        if [ $? -eq 0 ]; then
            echo "✅ LSP configuration updated (buildServer.json created)"
        else
            echo "⚠️  Could not update LSP configuration"
        fi
    else
        echo "⚠️  xcode-build-server not found. Install with: brew install xcode-build-server"
        echo "    This helps Neovim's LSP recognize your Swift modules"
    fi
}
# Parse command line arguments
while [[ $# -gt 0 ]]; do
    case $1 in
        -v|--verbose)
            VERBOSE=true
            shift
            ;;
        -o|--output)
            OUTPUT_FILE="$2"
            VERBOSE=true
            shift 2
            ;;
        --no-lsp)
            SKIP_LSP=true
            shift
            ;;
        *)
            ACTION="$1"
            shift
            ;;
    esac
done
# Function to run command with output control
run_with_output() {
    local cmd="$1"
    if [ "$VERBOSE" = true ] && [ -n "$OUTPUT_FILE" ]; then
        # Both verbose and output file specified
        eval "$cmd" | tee "$OUTPUT_FILE"
    elif [ "$VERBOSE" = true ]; then
        # Verbose only
        eval "$cmd"
    elif [ -n "$OUTPUT_FILE" ]; then
        # Output file only (treat as verbose)
        eval "$cmd" > "$OUTPUT_FILE" 2>&1
    else
        # Neither verbose nor output file, send to /dev/null
        eval "$cmd" > /dev/null 2>&1
    fi
}
echo "=== Gaze Application Script ==="
if [ "$ACTION" = "build" ]; then
    echo "Building Gaze project..."
    run_with_output "xcodebuild -project Gaze.xcodeproj -scheme Gaze -configuration Debug build"
    
    if [ $? -eq 0 ]; then
        echo "✅ Build succeeded!"
        echo "💡 The app is located at: build/Debug/Gaze.app"
        
        # Update LSP config after successful build
        if [ "$SKIP_LSP" != true ]; then
            update_lsp_config
        fi
    else
        echo "❌ Build failed!"
        exit 1
    fi
    
elif [ "$ACTION" = "test" ]; then
    echo "Running unit tests..."
    run_with_output "xcodebuild -project Gaze.xcodeproj -scheme Gaze -configuration Debug test"
    
    if [ $? -eq 0 ]; then
        echo "✅ Tests passed!"
    else
        echo "❌ Tests failed!"
        exit 1
    fi
elif [ "$ACTION" = "run" ]; then
    echo "Building and running Gaze application..."
    
    # Kill any existing Gaze processes first
    kill_existing_gaze_processes
    
    # Always build first, then run
    run_with_output "xcodebuild -project Gaze.xcodeproj -scheme Gaze -configuration Debug build"
    
    if [ $? -eq 0 ]; then
        echo "✅ Build succeeded!"
        
        # Update LSP config after successful build
        if [ "$SKIP_LSP" != true ]; then
            update_lsp_config
        fi
        
        # Get the actual build output directory from xcodebuild
        BUILD_DIR="$(xcodebuild -project Gaze.xcodeproj -scheme Gaze -configuration Debug -showBuildSettings 2>/dev/null | grep -m 1 "BUILT_PRODUCTS_DIR" | sed 's/.*= //')"
        APP_PATH="${BUILD_DIR}/Gaze.app"
        
        if [ -d "$APP_PATH" ]; then
            echo "🚀 Launching: $APP_PATH"
            open "$APP_PATH"
        else
            echo "⚠️  App not found at expected location, trying fallback..."
            # Fallback to derived data location
            open "$HOME/Library/Developer/Xcode/DerivedData/Gaze-*/Build/Products/Debug/Gaze.app"
        fi
    else
        echo "❌ Build failed!"
        exit 1
    fi
elif [ "$ACTION" = "lsp" ]; then
    # New command to just update LSP config
    echo "Updating LSP configuration only..."
    update_lsp_config
    
else
    echo "Usage: $0 [build|test|run|lsp] [-v|--verbose] [-o|--output <file_name>] [--no-lsp]"
    echo ""
    echo "Commands:"
    echo "  build   - Build the application"
    echo "  test    - Run unit tests"
    echo "  run     - Build and run the application (default)"
    echo "  lsp     - Update LSP configuration only (buildServer.json)"
    echo ""
    echo "Options:"
    echo "  -v, --verbose    - Show output in stdout"
    echo "  -o, --output     - Write output to log file"
    echo "  --no-lsp         - Skip LSP configuration update"
    exit 1
fi