import machine
import time
import urequests
import network

# Wi-Fi configuration
SSID = "Wokwi-Guest"
PASSWORD = "-"

# ThingSpeak configuration
thingspeak_api_key = "XQFFADE177ZT3G8D"
thingspeak_channel_id = "2413662"

wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(SSID, PASSWORD)

# Wait for the Wi-Fi connection to be established
while not wifi.isconnected():
    pass

print("Connected to Wi-Fi")

potentiometer_1_pin = machine.ADC(26)  # Analog pin for potentiometer 1 (heart rate)
potentiometer_2_pin = machine.ADC(27)  # Analog pin for potentiometer 2 (respiratory rate)
temperature_sensor_pin = machine.ADC(28)  # Analog pin for the NTC temperature sensor

def read_potentiometers():
    potentiometer_1_value = potentiometer_1_pin.read_u16()
    potentiometer_2_value = potentiometer_2_pin.read_u16()
    temperature_sensor_value = temperature_sensor_pin.read_u16()
    return potentiometer_1_value, potentiometer_2_value, temperature_sensor_value

def map_value(value, in_min, in_max, out_min, out_max):
    return (value - in_min) * (out_max - out_min) // (in_max - in_min) + out_min

def convert_to_temperature(adc_value):
    # You'll need to replace this with the appropriate conversion formula or lookup table for your specific NTC temperature sensor
    # This is just a placeholder example
    return map_value(adc_value, 0, 65535, 20, 40)  # Assuming a linear mapping for demonstration purposes


while True:
    potentiometer_1_value, potentiometer_2_value, temperature_sensor_value = read_potentiometers()

    heart_rate = map_value(potentiometer_1_value, 0, 65535, 60, 120)  # Scale potentiometer 1 value to heart rate range (60-120 bpm)
    respiratory_rate = map_value(potentiometer_2_value, 0, 65535, 10, 20)  # Scale potentiometer 2 value to respiratory rate range (10-20 breaths per minute)
    temperature = convert_to_temperature(temperature_sensor_value)  # Convert NTC temperature sensor value to temperature

    # Send data to ThingSpeak
    url = "https://api.thingspeak.com/update?api_key={}&field1={}&field2={}&field3={}".format(thingspeak_api_key, heart_rate, respiratory_rate, temperature)
    response = urequests.post(url)
    print("ThingSpeak Response:", response.text)
    response.close()

    # Print readings to serial monitor
    print("Heart Rate:", heart_rate, "bpm")
    print("Respiratory Rate:", respiratory_rate, "breaths per minute")
    print("Temperature:", temperature, "degrees Celsius")

    time.sleep(45)  # Send readings to ThingSpeak every 45 seconds