import machine
import time

# Pin Definitions
TRIG_PIN_1 = 27  # First ultrasonic sensor trig pin
ECHO_PIN_1 = 26  # First ultrasonic sensor echo pin
TRIG_PIN_2 = 7   # Second ultrasonic sensor trig pin
ECHO_PIN_2 = 6   # Second ultrasonic sensor echo pin
SWITCH_PIN = 10  # Sliding switch pin
BUZZER_PIN = 16  # Piezo buzzer pin

# GPIO Setup
switch = machine.Pin(SWITCH_PIN, machine.Pin.IN, machine.Pin.PULL_DOWN)
buzzer = machine.Pin(BUZZER_PIN, machine.Pin.OUT)

# Mock Distance Function for Wokwi
def get_mock_distance(mode):
    """
    Simulates different distances for testing purposes.
    Indoor Mode: Returns a random value between 50 and 150 cm.
    Outdoor Mode: Returns a random value between 150 and 500 cm.
    """
    if mode == 0:  # Indoor
        return 75  # Simulate a distance of 75 cm
    else:  # Outdoor
        return 403  # Simulate a distance of 403 cm

# Main Program
def main():
    while True:
        # Read mode from the sliding switch
        mode = switch.value()  # 0 = Indoor, 1 = Outdoor
        mode_text = "Indoor" if mode == 0 else "Outdoor"
        threshold = 90 if mode == 0 else 180  # Threshold for Sensor 2

        # Simulate distance using mock function
        distance = get_mock_distance(mode)

        # Determine if the buzzer should beep
        if distance < threshold:
            buzzer.on()
            buzzer_status = f"Buzzer ON - Object Detected at {distance:.2f} cm"
        else:
            buzzer.off()
            buzzer_status = f"Buzzer OFF - No Object Detected (Distance: {distance:.2f} cm)"

        # Display result in terminal
        print(f"Mode: {mode_text} | {buzzer_status}")

        time.sleep(1)  # Wait before the next reading

# Run Main Program
try:
    main()
except KeyboardInterrupt:
    print("Program stopped")
    buzzer.off()  # Turn off buzzer when exiting