import network
import machine
import utime
import random

# Configure ADC for temperature reading
temp_sensor = machine.ADC(machine.Pin(34))
temp_sensor.atten(machine.ADC.ATTN_11DB)

# WiFi Configuration
def connect_wifi():
    # Create network interface
    sta_if = network.WLAN(network.STA_IF)
    sta_if.active(True)
    
    # Attempt to connect to Wokwi-GUEST network
    print("Attempting to connect to WiFi...")
    sta_if.connect("Wokwi-GUEST", "")
    
    # Wait for connection
    while not sta_if.isconnected():
        print("Connecting...")
        utime.sleep(1)
    
    # Print connection details
    print("WiFi Connected!")
    print("Network Config:", sta_if.ifconfig())

# Temperature Reading Function
def read_temperature():
    # Read raw ADC value
    raw_value = temp_sensor.read()
    
    # Convert to temperature (0-100°C range)
    temperature = (raw_value / 4095.0) * 100.0
    
    return round(temperature, 2)

# MitM Attack Simulation
def perform_mitm_attack():
    while True:
        # Read original temperature
        original_temp = read_temperature()
        
        # Simulate temperature modification
        modified_temp = original_temp + random.uniform(10, 25)
        
        # Print attack details
        print("------- MitM Attack Simulation -------")
        print(f"Original Temperature: {original_temp}°C")
        print(f"Modified Temperature: {modified_temp}°C")
        print("-------------------------------------")
        
        # Wait before next reading
        utime.sleep(5)

# Main Execution
def main():
    try:
        # Connect to WiFi
        connect_wifi()
        
        # Start MitM attack simulation
        perform_mitm_attack()
    
    except Exception as e:
        print("Error:", e)
        machine.reset()

# Run the main function
main()