from packages.dummyLibraries.dummies import board
import packages.dummyLibraries.neopixel as neopixel
from packages.dummyLibraries.dummies import busio
import packages.dummyLibraries.adafruit_pca9685 as adafruit_pca9685
from packages.dummyLibraries.dummies import BytesIO
from packages.dummyLibraries.dummies import PiCamera
# import board
# import neopixel
# import busio
# import adafruit_pca9685
# from picamera import PiCamera
# from io import BytesIO
import os
import time
from flask import Flask, request, jsonify, make_response, send_file
from PIL import Image, ImageDraw
import numpy as np
import time
import math
from flask import Flask
from flask_apscheduler import APScheduler

import multiprocessing

class Camera:
    # the squares on the image taken which contain one piece of the cube
    pixel_groups = [
        (120, 0, 185, 34),
        (341, 0, 430, 15),
        (568, 0, 627, 34),
        (71, 140, 160, 300),
        (240, 140, 250, 300),
        (624, 140, 700, 300),
        (130, 413, 180, 472),
        (333, 422, 424, 472),
        (573, 417, 622, 476),
    ]
    stream = None
    camera = None

    def __init__(self):
        # setup picamera
        self.stream = BytesIO()
        self.camera = PiCamera()

        # fix camera params for consistent images
        self.camera.iso = 100
        self.camera.shutter_speed = 9252
        # self.camera.exposure_mode = 'off'
        self.camera.awb_mode = 'off'
        self.camera.awb_gains = (397 / 256, 297 / 256)

    def capture(self):
        # TODO can't figure out an easier workaround for this
        # save the image as capture1, rename all previous images to capture n+1
        # delete any images above 6 as we shouldn't need them
        # useful for debugging stuff.
        print('e')
        dirs = sorted(os.listdir('piDummyDirectory/captures'))
        for i in range(min(len(dirs) - 1, 4), -1, -1):
            os.rename(os.path.join('piDummyDirectory/captures', dirs[i]), os.path.join('piDummyDirectory/captures', 'capture' + str(i + 2) + '.jpg'))
        self.camera.capture('captures/capture1.jpg')
        image = Image.open('piDummyDirectory/captures/capture1.jpg')
        face_colours = []
        draw = ImageDraw.Draw(image)
        for i, face in enumerate(self.pixel_groups):
            # crop the image based on the pixels provided by face,
            # then find the mean of all the above colours
            face_colours.append(np.mean(list(image.crop(face).getdata()), axis=0).tolist())
            colour = (
                int(face_colours[-1][0]),
                int(face_colours[-1][1]),
                int(face_colours[-1][2]),
            )
            draw.rectangle(face, outline=colour, width=10)
            draw.rectangle(face, outline=(0,0,0), width=2)
            draw.rectangle((430, 140+i*20, 500, 160+i*20), fill=colour, outline=(0, 0, 0), width=2)
            draw.text((face[0], face[1]), str(i))
        image.save('captures/capture1.jpg', "jpeg")
        return face_colours


app = Flask(__name__)

i2c = busio.I2C(board.SCL, board.SDA)
pca = adafruit_pca9685.PCA9685(i2c)
pca.frequency = 50
# servo_channel = pca.channels[0]
pixels = neopixel.NeoPixel(board.D18, 8)

camera = Camera()

# data variables info
capturedColours = [[] for _ in range(6)]  # store 6 of the previous camera captures
received_data = {}  # Store received data in a dictionary

def set_servos(data):
    global pca
    index = int(data.get("index"))
    value = float(data.get("value"))
    if value == -180:
        duty = 0
    else:
        duty = int(1500 + (value / 180) * 6500)
    pca.channels[index].duty_cycle = duty


def set_leds(data):
    global pixels
    index = int(data.get("index"))
    value = eval(data.get("value"))
    if index == -1:
        pixels.fill(value)
    else:
        pixels[index] = value


def cam_capture(_data):
    capturedColours.append(camera.capture())
    capturedColours.pop(0)


@app.route('/receiveDirect', methods=['POST'])
def receive_direct():
    data = request.form.to_dict()
    component = data.get("component")
    if component == "servo":
        set_servos(data)
    elif component == "led":
        set_leds(data)
    elif component == "camera":
        cam_capture(data)
    print(data)
    return "Data received successfully"


@app.route('/receiveList', methods=['POST'])
def receive_list():
    face_colours = []
    data_list = request.get_json()
    elapsed_time = 0
    print(data_list)

    # a bit of a strange loop structure, I know.
    # loops through the list and executes each item once enough time has passed.
    # assumes that the received list is sorted in order of the time each move is executed.
    data_list_index = 0
    data = data_list[data_list_index]
    while data_list_index < len(data_list) - 1:
        if data_list[data_list_index].get('time') == elapsed_time:
            component = data.get("component")
            if component == "servo":
                set_servos(data)
            elif component == "led":
                set_leds(data)
            elif component == "camera":
                cam_capture(data)
            data_list_index += 1
            data = data_list[data_list_index]
        else:
            time.sleep(data_list[data_list_index].get('time') - elapsed_time)
            elapsed_time = data_list[data_list_index].get('time')
    print(capturedColours)
    return "Data received successfully"


@app.route('/get_data', methods=['GET'])
def get_data():
    data = request.form.to_dict()
    data_request = data.get("request")
    if data_request == "image":
        response = make_response(jsonify(capturedColours), 200)
        response.mimetype = "text/plain"
        return response


@app.route('/camera', methods=['GET'])
def get_camera():
    return jsonify(camera.capture())


if __name__ == '__main__':
    scheduler = APScheduler()
    scheduler.init_app(app)
    scheduler.start()

    INTERVAL_TASK_ID = 'interval-task-id'
    scheduler.add_job(id=INTERVAL_TASK_ID, func=interval_task, trigger='interval', seconds=.3)
    app.run(host='0.0.0.0', port=5000)
    print("aaa")