import os

import matplotlib.image as mpimg
import matplotlib.pyplot as plt

current_file = None


def onclick(event):
    if event.dblclick:
        print('button=%d, x=%d, y=%d, xdata=%f, ydata=%f' %
              (event.button, event.x, event.y, event.xdata, event.ydata))
        import csv
        with open(current_file + ".csv", 'a') as csvfile:
            spamwriter = csv.writer(csvfile, delimiter=' ',
                                    quotechar='|', quoting=csv.QUOTE_MINIMAL)
            spamwriter.writerow([str(event.xdata), str(event.ydata)])

def argsProcessor():
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument("-v", "--video_imgs", help="DataPath")
    return parser.parse_args()

args = argsProcessor()
dir = args.video_imgs
for image in os.listdir(dir):
    if image.endswith("jpg") or image.endswith("JPG"):
        current_file = dir + "/" + image
        if os.path.isfile(current_file + ".csv"):
            print(current_file + ".csv file already exists")
            pass
        else:
            fig = plt.figure()
            cid = fig.canvas.mpl_connect('button_press_event', onclick)
            print(current_file)
            img = mpimg.imread(current_file)
            plt.imshow(img)
            plt.show()