#!/usr/bin/env python

""" A simple Telegram bot to get photos from a camera """

import cv2
import telepot
import time

TOKEN = "****************************"
PHOTO = 'test.png'
CAM_PORT = 0
ramp_frames = 30

bot = telepot.Bot(TOKEN)

def help_cmd(bot, update):
    text = ('/start command activates a motion capture mode.\n'
            '/stop  command does the opposite.\n'
            '/shot is used to get an actual snapshot.')
    bot.sendMessage(chat_id=update.message.chat_id, text=text)


def take_photo():
    camera = cv2.VideoCapture(CAM_PORT)
#    camera.set(CV_CAP_PROP_EXPOSURE, 0.0)
#    camera.set(15, -8)
#    camera.set(16, 1)
#    camera.set(12, 50)

    # Wait some time to get ligth in the camera
    time.sleep(3)
    rc, image = camera.read()
    if rc:
        cv2.imwrite(PHOTO, image)
    del(camera)

    return rc

def send_photo(chat_id, photo_path, caption):
    with open(photo_path, 'rb') as photo:
        bot.sendPhoto(chat_id, photo, caption)

def handle_messages(msg):
    """ The entry point to the message reception """
    content_type, chat_type, chat_id = telepot.glance(msg)
    print(content_type, chat_type, chat_id)
 if content_type == 'text':
        text = msg['text']
        if text == '/getphoto':
            if take_photo():
                send_photo(chat_id, PHOTO, 'This is a test caption')
            else:
                bot.SendMessage(chat_id, 'A problem occurred taking the photo')
        else:
            #error_msg = "No se de que me hablas!"
            error_msg = "I don't know what are you talking about!"
            bot.sendMessage(chat_id, error_msg)

bot.message_loop(handle_messages)
print('Listen messages...')

while True:
    time.sleep(5)