# -*- coding: utf-8 -*-
import time
import wda
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation
from PIL import Image

# 截图距离 * time_coefficient = 按键时长
# time_coefficient:
#    iphonex: 0.00125
#    iphone6: 0.00196
#    iphone6s plus: 0.00120
time_coefficient = 0.00120


c = wda.Client()
s = c.session()


def pull_screenshot():
    c.screenshot('autojump.png')


def jump(distance):
    press_time = distance * time_coefficient
    press_time = press_time
    print('press_time = ',press_time)
    s.tap_hold(200, 200, press_time)


fig = plt.figure()
pull_screenshot()
img = np.array(Image.open('autojump.png'))
im = plt.imshow(img, animated=True)

update = True
click_count = 0
cor = []


def update_data():
    return np.array(Image.open('autojump.png'))


def updatefig(*args):
    global update
    if update:
        time.sleep(1)
        pull_screenshot()
        im.set_array(update_data())
        update = False
    return im,


def on_click(event):
    global update
    global ix, iy
    global click_count
    global cor

    ix, iy = event.xdata, event.ydata
    coords = [(ix, iy)]
    print('now = ', coords)
    cor.append(coords)

    click_count += 1
    if click_count > 1:
        click_count = 0
        cor1 = cor.pop()
        cor2 = cor.pop()

        distance = (cor1[0][0] - cor2[0][0])**2 + (cor1[0][1] - cor2[0][1])**2
        distance = distance ** 0.5
        print('distance = ', distance)
        jump(distance)
        update = True


fig.canvas.mpl_connect('button_press_event', on_click)
ani = animation.FuncAnimation(fig, updatefig, interval=50, blit=True)
plt.show()