import requests
import logging
import yaml
import sys
import time
import shlex
import json
import re
import pnutpy

from matrix_client.client import MatrixClient
from matrix_client.api import MatrixHttpApi
from matrix_client.api import MatrixError, MatrixRequestError
from models import *

class MonkeyBot:

    txId = 0

    def __init__(self):
        with open("config.yaml", "rb") as config_file:
            self.config = yaml.load(config_file)
        self.api = MatrixHttpApi(self.config['MATRIX_HOST'], self.config['MATRIX_AS_TOKEN'])
        self.pnut_token = self.config['MATRIX_PNUT_TOKEN']
        pnutpy.api.add_authorization_token(self.pnut_token)

    def on_invite(self, event):
        logging.debug("<__on_invite__>")
        logging.debug(event)
        room = self.api.join_room(event['room_id'])

    def on_message(self, event):
        logging.debug("<__on_message__>")
        logging.debug(event)

        if event['type'] == 'm.room.message':
            if event['content']['msgtype'] == 'm.text':
                argv = shlex.split(event['content']['body'])
                cmd = argv[0]
                args = argv[1:]
                self._parse_cmd(event, cmd, args)

    def _parse_cmd(self, event, cmd, args):
        logging.debug("<__parse_cmd__>")
        logging.debug("<cmd> " + cmd)
        logging.debug(args)

        if cmd.lower() == 'help':
            self.api.send_notice(event['room_id'], self._help())

        elif cmd.lower() == 'set_access_token':
            token = args[0]
            pnutpy.api.add_authorization_token(token)
            try:
                response, meta = pnutpy.api.get_user('me')

                user = MatrixUser(matrix_id=event['user_id'], room_id=event['room_id'],
                    pnut_id=response['username'], pnut_token=token)
                db.session.add(user)
                db.session.commit()
                reply = "Token verified, you are now linked as " + response['username']

            except pnut.api.PnutAuthAPIException as e:
                reply = "Your account is not authorized."

            except Exception as e:
                reply = "Something went wrong...\n"
                reply += str(e)
                logging.exception('::set_access_token::')

            self.api.send_notice(event['room_id'], reply)
            pnutpy.api.add_authorization_token(self.pnut_token)

        elif cmd.lower() == 'drop_access_token':
            user = MatrixUser.query.filter_by(matrix_id=event['user_id']).first()
            db.session.delete(user)
            db.session.commit()
            reply = "Your token has been removed."
            self.api.send_notice(event['room_id'], reply)

        else:
            self.api.send_notice(event['room_id'], self._help())

    def _help(self):
        reply = "Visit the following URL to authorize pnut-matrix with your account on pnut.io.\n\n"
        reply += "https://pnut.io/oauth/authenticate?client_id=6SeCRCpCZkmZOKFLFGWbcdAeq2fX1M5t&redirect_uri=urn:ietf:wg:oauth:2.0:oob&scope=write_post,presence,messages&response_type=token\n\n"
        reply += "The following commands are available.\n\n"
        reply += "set_access_token <token>\n"
        reply += "  -   Set your access token for matrix -> pnut.io account puppeting\n\n"
        reply += "drop_access_token\n"
        reply += "  -   Drop your access token to remove puppeting\n\n"
        return reply