#!/usr/bin/env python3
"""
Test script for BenQ Smart Board library using USB Serial connection.
"""

import logging
import time
from benq_smartboard_lib import (
    BenQSmartBoard, 
    ConnectionType, 
    PowerState,
    PowerState, 
    VideoSource,
    BenQSmartBoardError
)

# Configure logging
logging.basicConfig(
    level=logging.DEBUG,
    format='%(asctime)s - %(levelname)s - %(message)s'
)

def test_serial_connection():
    """Test the serial connection functionality."""
    
    # Configure your serial port here
    SERIAL_PORT = 'COM11'  # Windows example, use '/dev/ttyUSB0' for Linux
    BAUDRATE = 115200
    
    print(f"Testing BenQ Smart Board via Serial: {SERIAL_PORT} @ {BAUDRATE}")
    
    # Create Smart Board instance with Serial connection
    board = BenQSmartBoard(
        connection_type=ConnectionType.SERIAL,
        serial_port=SERIAL_PORT,
        baudrate=BAUDRATE,
        timeout=5.0
    )
    
    try:
        # Connect to the Smart Board
        print("Connecting to Smart Board...")
        board.connect()
        print("Connected successfully!")
        
        # Test basic commands
        print("\n=== Testing Basic Commands ===")
        
        # Get current power state
        try:
            print("Expected packet: 801s!000\\r (where 21 hex = ! ASCII, length=8 includes length byte)")
            board.set_power(PowerState.ON)
            time.sleep(2)
            board.set_volume(20)
            board.set_video_source(VideoSource.OPS)
            print("Power OFF command sent successfully!")
        except Exception as e:
            print(f"Failed to set power OFF: {e}")
        
        print("\n=== Test Completed Successfully ===")
        
    except BenQSmartBoardError as e:
        print(f"Smart Board Error: {e}")
    except Exception as e:
        print(f"Unexpected error: {e}")
        logging.exception("Unexpected error occurred")
    finally:
        # Always disconnect
        print("Disconnecting...")
        board.disconnect()
        print("Disconnected.")

def list_serial_ports():
    """List available serial ports."""
    try:
        import serial.tools.list_ports
        ports = serial.tools.list_ports.comports()
        print("Available serial ports:")
        for port in ports:
            print(f"  {port.device} - {port.description}")
        return [port.device for port in ports]
    except ImportError:
        print("pyserial tools not available. Install with: pip install pyserial")
        return []

if __name__ == "__main__":
    print("BenQ Smart Board Serial Test")
    print("=" * 40)
    
    # List available ports
    available_ports = list_serial_ports()
    
    if not available_ports:
        print("No serial ports found or pyserial not installed.")
        print("Make sure to:")
        print("1. Install pyserial: pip install pyserial")
        print("2. Connect your BenQ Smart Board via USB")
        print("3. Update the SERIAL_PORT variable in this script")
    else:
        print(f"\nFound {len(available_ports)} serial port(s)")
    
    print("\nStarting test...")
    test_serial_connection()