from rgbmatrix import RGBMatrix, RGBMatrixOptions
import Point2D
import ProotState

import time
import random
from PIL import Image
import paho.mqtt.client as mqtt
import time
import threading


print("start configuring matrix")
startT = curr_time = round(time.time()*1000)

# Configuration for the matrix screens
options = RGBMatrixOptions()
options.rows = 32
options.cols = 64
options.chain_length = 2
options.parallel = 1
options.hardware_mapping = 'regular'  # If you have an Adafruit HAT: 'adafruit-hat'
matrix = RGBMatrix(options=options)

endT = curr_time = round(time.time()*1000)
print("configuring matrix took: " + str(endT - startT) + " ms")


# array to hold the blink animation frames
blinkFrameCanvases = []


def interrupt_timer():
    global blinkFrameCanvases, matrix
    proot_state = ProotState()
    
    while True:
        proot_state.update_screen(blinkFrameCanvases, matrix)
        time.sleep(0.01)


def random_blinks():
    while True:
        time.sleep(random.randint(3, 5))
        
        proot_state = ProotState()

        if proot_state.get_blinks_frames_ready():
            proot_state.blink()
            

# Create and start screen update interrupts
screen_update_thread = threading.Thread(target=ProotState.interrupt_timer)
screen_update_thread.start()

# Create and start random blinks interrupts
screen_update_thread = threading.Thread(target=ProotState.random_blinks)
screen_update_thread.start()


print("start loading images")
startT = curr_time = round(time.time()*1000)

# Loading all images
# TODO looking into storing and loading lists of points
image_left_eye_open = Image.open("faces/eyeLeftOpen.png")
image_left_eye_closed = Image.open("faces/eyeLeftClosed.png")
image_left_nose = Image.open("faces/noseLeft.png")
image_left_mouth = Image.open("faces/mouthLeft.png")

endT = curr_time = round(time.time()*1000)
print("loading images took: " + str(endT - startT) + " ms")



print("start generating pixel array")
startT = curr_time = round(time.time()*1000)

# generate pixel arrays from each image
# TODO ^ storing and loading lists of points will take away this step. (it will require a dedicated script to precompute these)
points_left_eye_open = Point2D.generate_point_array_from_image(image_left_eye_open)
points_left_eye_closed = Point2D.generate_point_array_from_image(image_left_eye_closed)
points_left_nose = Point2D.generate_point_array_from_image(image_left_nose)
points_left_mouth = Point2D.generate_point_array_from_image(image_left_mouth)

endT = curr_time = round(time.time()*1000)
print("generating pixel array took: " + str(endT - startT) + " ms")



print("start pairing points for one eye")
startT = curr_time = round(time.time()*1000)

#calculate the point pairs between the open and closed left eye
# TODO look into precomputing and storing these animations before runtime
left_eye_blink_pairs = Point2D.pair_points(points_left_eye_open, points_left_eye_closed)

endT = curr_time = round(time.time()*1000)
print("pairing points for one eye took: " + str(endT - startT) + " ms")



print("start populating matrices for each blink frame")
startT = curr_time = round(time.time()*1000)

# TODO look into the possibility of precomputing and more importantly storing the matrix objects 
for alpha in range(0,11):
    offscreen_interpolated_canvas = matrix.CreateFrameCanvas()
    
    left_eye = Point2D.interpolate_point_pairs(left_eye_blink_pairs, alpha/10)
    right_eye = Point2D.mirror_points(left_eye)
    nose = points_left_nose + Point2D.mirror_points(points_left_nose)
    mouth = points_left_mouth + Point2D.mirror_points(points_left_mouth)
    face = left_eye + right_eye + nose + mouth
    
    interpolated_face_image = Point2D.generate_image_from_point_array(face, 128, 32)
    offscreen_interpolated_canvas.SetImage(interpolated_face_image, unsafe=False)
    blinkFrameCanvases.append(offscreen_interpolated_canvas)
    
endT = curr_time = round(time.time()*1000)
print("populating matrices for each blink frame took: " + str(endT - startT) + " ms")

proot_state = ProotState.ProotState()
proot_state.set_matrix(matrix)
proot_state.set_blinks_frames_ready(True)
proot_state.blink()



# functions called by the MQTT listener
def on_connect(client, userdata, flags, response_code):
    print("Connected to MQTT broker with result code " + str(response_code))
    client.subscribe("test")


def on_message(client, userdata, message):
    print("Received message '" + str(message.payload) + "' on topic '"
          + message.topic + "' with QoS " + str(message.qos))
    proot_state = ProotState.ProotState()
    proot_state.blink()

# MQTT broker configuration
broker_address = "10.1.13.173"  # Replace with your MQTT broker's address
broker_port = 1883
broker_keepalive = 60

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

client.connect(broker_address, broker_port, broker_keepalive)

client.loop_start()


while True:
    # this sleep sets the time between finishing one screen update and the next starting
    pass
    

# TODO create a splash screen to display super quick before the rest of the assets are loading