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# ESP-NOW Sender w BME280
import time
import board
import wifi
import espnow
from adafruit_bme280 import basic as adafruit_bme280

i2c = board.I2C()  # uses board.SCL and board.SDA
bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c)

wifi.radio.start_ap(" ", "", channel=6, max_connections=0)
wifi.radio.stop_ap()

e = espnow.ESPNow()

# broadcast to everyone:
peer = espnow.Peer(mac=b'\xff\xff\xff\xff\xff\xff', channel=6)

e.peers.append(peer)

my_mac_str = ":".join([f"{b:02x}" for b in wifi.radio.mac_address])
print("Starting sender on MAC:", my_mac_str)

while True:
    try:
        # Convert temperature to string
        sensor_msg = f"T:{bme280.temperature:.1f}C H:{bme280.relative_humidity:.1f}% P:{bme280.pressure:.1f}hPa"
        e.send(sensor_msg, peer)
        print("sent packet: ", sensor_msg)
    except Exception as ex:
        print("exception:", ex)

    time.sleep(2)

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# ESP-NOW Receiver
import time
import wifi
import espnow

wifi.radio.start_ap(" ", "", channel=6, max_connections=0)
wifi.radio.stop_ap()

e = espnow.ESPNow()

my_mac_str = ":".join([f"{b:02x}" for b in wifi.radio.mac_address])
print("Starting receiver on MAC:", my_mac_str)

while True:
    if not e:  # wait for a packet
        continue

    packet = e.read()
    mac_str = ":".join([f"{b:02x}" for b in packet.mac])

    # Decode bytes to string for clean output
    decoded_message = packet.msg.decode('utf-8')

    print("received message:", decoded_message)
    print("from MAC:", mac_str)
    print("full packet:", packet)

    time.sleep(0.3)