# Import necessary libraries (note: ESP-NOW and MPU6050 specific imports are omitted as they don't have direct Python equivalents)
import time  # for delay() replacement
import math  # for math operations
import random  # for demo purpose
import mpu6050

# Dummy setup for MPU6050 (simulated in Python)
class MPU6050:
    def __init__(self):
        pass
    
    def initialize(self):
        print("MPU6050 initialized")
    
    def dmpInitialize(self):
        print("DMP initialized")
        return 0  # Success
    
    def CalibrateAccel(self, calibrations):
        print(f"Calibrating accelerometer ({calibrations} iterations)")
    
    def CalibrateGyro(self, calibrations):
        print(f"Calibrating gyroscope ({calibrations} iterations)")
    
    def setDMPEnabled(self, enabled):
        if enabled:
            print("DMP enabled")
        else:
            print("DMP disabled")
    
    def dmpGetCurrentFIFOPacket(self, fifoBuffer):
        # Simulate getting FIFO packet
        for i in range(len(fifoBuffer)):
            fifoBuffer[i] = random.randint(0, 255)
        return True
    
    def dmpGetQuaternion(self, q, fifoBuffer):
        # Simulate getting quaternion
        q[0] = random.uniform(0, 1)
        q[1] = random.uniform(0, 1)
        q[2] = random.uniform(0, 1)
        q[3] = random.uniform(0, 1)
    
    def dmpGetGravity(self, gravity, q):
        # Simulate getting gravity vector
        gravity[0] = random.uniform(0, 1)
        gravity[1] = random.uniform(0, 1)
        gravity[2] = random.uniform(0, 1)
    
    def dmpGetYawPitchRoll(self, ypr, q, gravity):
        # Simulate getting yaw, pitch, roll
        ypr[0] = random.uniform(-math.pi, math.pi)
        ypr[1] = random.uniform(-math.pi, math.pi)
        ypr[2] = random.uniform(-math.pi, math.pi)

# RECEIVER MAC Address
receiverMacAddress = [0xAC, 0x67, 0xB2, 0x36, 0x7F, 0x28]  # AC:67:B2:36:7F:28

class PacketData:
    def __init__(self):
        self.xAxisValue = 0
        self.yAxisValue = 0
        self.zAxisValue = 0

data = PacketData()

# Dummy callback when data is sent
def OnDataSent(mac_addr, status):
    if status == "success":
        print("Message sent")
    else:
        print("Message failed")

# Dummy setup function for MPU6050 (simulated in Python)
def setupMPU():
    mpu = MPU6050()
    mpu.initialize()
    devStatus = mpu.dmpInitialize()
    if devStatus == 0:
        mpu.CalibrateAccel(6)
        mpu.CalibrateGyro(6)
        mpu.setDMPEnabled(True)
        return True
    else:
        return False

def setup():
    print("Setting up ESP-NOW")
    print("Initialized ESP-NOW")
    # Dummy setup for ESP-NOW peer registration
    OnDataSent(receiverMacAddress, "success")
    setupMPU()

def loop():
    if not setupMPU():
        return
    
    fifoBuffer = [0] * 64  # FIFO storage buffer
    q = [0.0, 0.0, 0.0, 0.0]  # Quaternion container
    gravity = [0.0, 0.0, 0.0]  # Gravity vector
    ypr = [0.0, 0.0, 0.0]  # Yaw/pitch/roll container

    if mpu.dmpGetCurrentFIFOPacket(fifoBuffer):
        mpu.dmpGetQuaternion(q, fifoBuffer)
        mpu.dmpGetGravity(gravity, q)
        mpu.dmpGetYawPitchRoll(ypr, q, gravity)

        xAxisValue = int(ypr[2] * 180 / math.pi)
        yAxisValue = int(ypr[1] * 180 / math.pi)
        zAxisValue = int(ypr[0] * 180 / math.pi)

        data.xAxisValue = (xAxisValue + 90) * 254 // 180
        data.yAxisValue = (yAxisValue + 90) * 254 // 180
        data.zAxisValue = (zAxisValue + 90) * 254 // 180

        OnDataSent(receiverMacAddress, "success")