import time
import sys

try:
    from w1thermsensor import W1ThermSensor
except ImportError:
    print("Error: w1thermsensor module not found.")
    print("Please install it using: pip install w1thermsensor")
    sys.exit(1)

def main():
    print("--- 1-Wire Temperature Sensor Verifier ---")
    print("Checking for connected sensors...")

    try:
        sensors = W1ThermSensor.get_available_sensors()
    except Exception as e:
        print(f"Error accessing 1-Wire bus: {e}")
        print("Ensure 1-Wire is enabled in raspi-config or /boot/config.txt")
        return

    if not sensors:
        print("No sensors found!")
        print("Check your wiring:")
        print("  1. VCC (Red) -> Pin 1 (3.3V)")
        print("  2. GND (Black) -> Pin 6 (GND)")
        print("  3. DATA (Yellow) -> Pin 7 (GPIO 4)")
        print("  *  Remember the 4.7k resistor between VCC and DATA")
        return

    print(f"Found {len(sensors)} sensor(s):")
    for i, sensor in enumerate(sensors):
        try:
            print(f"  {i+1}: ID={sensor.id} (Type={getattr(sensor, 'type_name', 'Unknown')})")
        except Exception as e:
            print(f"  {i+1}: Error reading sensor details: {e}")
            print(f"  Debug info: {dir(sensor)}")

    print("\nReading temperatures (Press Ctrl+C to stop)...")
    try:
        while True:
            output = []
            for sensor in sensors:
                try:
                    temp = sensor.get_temperature()
                    output.append(f"[{sensor.id}]: {temp:.1f}°C")
                except Exception as e:
                    output.append(f"[{sensor.id}]: Error")
            
            # Print on same line to act like a dashboard
            print(" | ".join(output), end="\r")
            sys.stdout.flush()
            time.sleep(1)
    except KeyboardInterrupt:
        print("\nStopped.")

if __name__ == "__main__":
    main()