# -*- coding: utf-8 -*-
from __future__ import print_function

import json
import time
import threading

from telebot import apihelper, types

"""
Module : telebot
"""

API_URL = r"https://api.telegram.org/"


class TeleBot:
    """ This is TeleBot Class
    Methods:
        getMe
        sendMessage
        forwardMessage
        sendPhoto
        sendAudio
        sendDocument
        sendSticker
        sendVideo
        sendLocation
        sendChatAction
        getUserProfilePhotos
        getUpdates
        setWebhook
    """

    def __init__(self, token):
        self.token = token
        self.update_listener = []
        self.polling_thread = None
        self.__stop_polling = False
        self.interval = 3

        self.last_update_id = 0

    def get_update(self):
        result = apihelper.get_updates(self.token, offset=(self.last_update_id + 1))
        updates = result['result']
        new_messages = []
        for update in updates:
            if update['update_id'] > self.last_update_id:
                self.last_update_id = update['update_id']
            msg = types.Message.de_json(json.dumps(update['message']))
            new_messages.append(msg)

        if len(new_messages) > 0:
            self.__notify_update(new_messages)

    def __notify_update(self, new_messages):
        for listener in self.update_listener:
            t = threading.Thread(target=listener, args=new_messages)
            t.start()

    def polling(self, interval=3):
        """
        Always get updates.
        :param interval: interval secs.
        :return:
        """
        self.interval = interval
        # clear thread.
        self.__stop_polling = True
        time.sleep(interval + 1)
        self.__stop_polling = False
        self.polling_thread = threading.Thread(target=self.__polling, args=())
        self.polling_thread.daemon = True
        self.polling_thread.start()

    def __polling(self):
        print('telegram bot start polling')
        while not self.__stop_polling:
            try:
                self.get_update()
            except Exception as e:
                print(e)
            time.sleep(self.interval)

        print('telegram bot stop polling')

    def stop_polling(self):
        self.__stop_polling = True

    def set_update_listener(self, listener):
        self.update_listener.append(listener)

    def get_me(self):
        result = apihelper.get_me(self.token)
        return types.User.de_json(json.dumps(result['result']))

    def get_user_profile_photos(self, user_id, offset=None, limit=None):
        """
        Retrieves the user profile photos of the person with 'user_id'
        See https://core.telegram.org/bots/api#getuserprofilephotos
        :param user_id:
        :param offset:
        :param limit:
        :return:
        """
        result = apihelper.get_user_profile_photos(self.token, user_id, offset, limit)
        return types.UserProfilePhotos.de_json(json.dumps(result['result']))

    def send_message(self, chat_id, text, disable_web_page_preview=None, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send text messages.
        :param chat_id:
        :param text:
        :param disable_web_page_preview:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_message(self.token, chat_id, text, disable_web_page_preview, reply_to_message_id,
                                      reply_markup)

    def forward_message(self, chat_id, from_chat_id, message_id):
        """
        Use this method to forward messages of any kind.
        :param chat_id: which chat to forward
        :param from_chat_id: which chat message from
        :param message_id: message id
        :return:
        """
        return apihelper.forward_message(self.token, chat_id, from_chat_id, message_id)

    def send_photo(self, chat_id, photo, caption=None, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send photos.
        :param chat_id:
        :param photo:
        :param caption:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_photo(self.token, chat_id, photo, caption, reply_to_message_id, reply_markup)

    def send_audio(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send audio files, if you want Telegram clients to display the file as a playable
        voice message. For this to work, your audio must be in an .ogg file encoded with OPUS
        :param chat_id:
        :param data:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_data(self.token, chat_id, data, 'audio', reply_to_message_id, reply_markup)

    def send_document(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send general files.
        :param chat_id:
        :param data:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_data(self.token, chat_id, data, 'document', reply_to_message_id, reply_markup)

    def send_sticker(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send .webp stickers.
        :param chat_id:
        :param data:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_data(self.token, chat_id, data, 'sticker', reply_to_message_id, reply_markup)

    def send_video(self, chat_id, data, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send video files, Telegram clients support mp4 videos.
        :param chat_id:
        :param data:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_data(self.token, chat_id, data, 'video', reply_to_message_id, reply_markup)

    def send_location(self, chat_id, latitude, longitude, reply_to_message_id=None, reply_markup=None):
        """
        Use this method to send point on the map.
        :param chat_id:
        :param latitude:
        :param longitude:
        :param reply_to_message_id:
        :param reply_markup:
        :return:
        """
        return apihelper.send_location(self.token, chat_id, latitude, longitude, reply_to_message_id, reply_markup)

    def send_chat_action(self, chat_id, action):
        """
        Use this method when you need to tell the user that something is happening on the bot's side.
        The status is set for 5 seconds or less (when a message arrives from your bot, Telegram clients clear
        its typing status).
        :param chat_id:
        :param action: string . typing,upload_photo,record_video,upload_video,record_audio,upload_audio,upload_document,
                                find_location.
        :return:
        """
        return apihelper.send_chat_action(self.token, chat_id, action)