# -*- coding: utf-8 -*-

import logging

from flask import Flask, request, json

import markovify

app = Flask(__name__)

def load_model(fname):
    # Get raw text as string.
    with open(fname) as f:
        text = f.read()

    # Build the model.
    return markovify.Text(text)

models = {
    "peejay": load_model("peejay.txt"),
    "nithin": load_model("nithin.txt"),
    "vss": load_model("vss.txt"),
    "kunal": load_model("kunal.txt")
}

@app.route('/peejay', methods=['POST', 'GET'])
def peejay():
    """Handles an event from Hangouts Chat."""
    if request.method == 'GET':
        return json.jsonify({'message': 'Hello there!'})

    event = request.get_json()
    if event['type'] == 'ADDED_TO_SPACE' and event['space']['type'] == 'ROOM':
        text = 'Thanks for adding me to "%s"!' % event['space']['displayName']
        return json.jsonify({'text': text})
    elif event['type'] == 'MESSAGE':
        text = models["peejay"].make_short_sentence(280)
        return json.jsonify({
                            'cards': [{
                                'sections': [{
                                    'widgets': [{
                                        'textParagraph': {
                                            'text': text
                                        }
                                    }]
                                }]
                            }]
                            })
    else:
        return

@app.route('/vss', methods=['POST', 'GET'])
def vss():
    """Handles an event from Hangouts Chat."""
    if request.method == 'GET':
        return json.jsonify({'message': 'Hello there!'})

    event = request.get_json()
    if event['type'] == 'ADDED_TO_SPACE' and event['space']['type'] == 'ROOM':
        text = 'Thanks for adding me to "%s"!' % event['space']['displayName']
        return json.jsonify({'text': text})
    elif event['type'] == 'MESSAGE':
        text = models["vss"].make_short_sentence(280)
        return json.jsonify({
                            'cards': [{
                                'sections': [{
                                    'widgets': [{
                                        'textParagraph': {
                                            'text': text
                                        }
                                    }]
                                }]
                            }]
                            })
    else:
        return

@app.route('/kunal', methods=['POST', 'GET'])
def kunal():
    """Handles an event from Hangouts Chat."""
    if request.method == 'GET':
        return json.jsonify({'message': 'Hello there!'})

    event = request.get_json()
    if event['type'] == 'ADDED_TO_SPACE' and event['space']['type'] == 'ROOM':
        text = 'Thanks for adding me to "%s"!' % event['space']['displayName']
        return json.jsonify({'text': text})
    elif event['type'] == 'MESSAGE':
        text = models["kunal"].make_short_sentence(280)
        return json.jsonify({
                            'cards': [{
                                'sections': [{
                                    'widgets': [{
                                        'textParagraph': {
                                            'text': text
                                        }
                                    }]
                                }]
                            }]
                            })
    else:
        return

@app.route('/nithin', methods=['POST', 'GET'])
def nithin():
    """Handles an event from Hangouts Chat."""
    if request.method == 'GET':
        return json.jsonify({'message': 'Hello there!'})

    event = request.get_json()
    if event['type'] == 'ADDED_TO_SPACE' and event['space']['type'] == 'ROOM':
        text = 'Thanks for adding me to "%s"!' % event['space']['displayName']
        return json.jsonify({'text': text})
    elif event['type'] == 'MESSAGE':
        text = models["nithin"].make_short_sentence(280)
        return json.jsonify({
                            'cards': [{
                                'sections': [{
                                    'widgets': [{
                                        'textParagraph': {
                                            'text': text
                                        }
                                    }]
                                }]
                            }]
                            })
    else:
        return

@app.errorhandler(500)
def server_error(e):
    # Log the error and stacktrace.
    logging.exception('An error occurred during a request.')
    return 'An internal error occurred.', 500