# encoding=utf-8

import pymysql
#import MySQLdb
import os
import json
import hashlib, uuid

from app import app 
from flask import Flask, flash, render_template, request, redirect, url_for
from flask_wtf import FlaskForm
from flask_bootstrap import Bootstrap
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
from wtforms import StringField, PasswordField, BooleanField 
from wtforms.fields.html5 import DateField 
from wtforms.validators import InputRequired, Email, Length
from forms import LoginForm, RegisterForm
from dbWrite import sql_write, sql_write_static, sql_read, sql_read_static
from routes import *

app.register_blueprint(routes)

login_manager = LoginManager()

class User(UserMixin):
    # proxy for a database of users
    user_database = {"JohnDoe": ("JohnDoe", "John"), "JaneDoe": ("JaneDoe", "Jane")}

    def __init__(self, username, password):
        self.id = username
        self.password = password

    @classmethod
    def get(cls,id):
        return cls.user_database.get(id)

@login_manager.request_loader
def load_user(request):
    token = request.headers.get('Authorization')
    if token is None:
        token = request.args.get('token')

    if token is not None:
        username,password = token.split(":") # naive token
        user_entry = User.get(username)
        if (user_entry is not None):
            user = User(user_entry[0],user_entry[1])
            if (user.password == password):
                return user
    return None


@app.route('/hkfc-d/vote-chart', methods=['GET', 'POST'])
def hkfc_d_vote_chart():
    form = LoginForm()
    print('Here we are')
    if form.validate_on_submit():
        sql = "SELECT username FROM hockeyUsers WHERE (username= '" + form.username.data + "')"
        print(sql)
        rows = sql_read(sql)
        print(rows)
        return redirect(url_for('/hkfc-d/voting'))
#    return '<h1>Something went wrong there</h1>'

    return render_template('hkfc-d/login-vote.html', form=form)

@app.route('/login', methods=['GET', 'POST'])
def login():
    form = LoginForm()
    print('Here we are')
    if form.validate_on_submit():
        sql = "SELECT username FROM hockeyUsers WHERE (username= '" + form.username.data + "')"
        print(sql)
        rows = sql_write(sql)
        print(rows)
        print(rows[0])
        return redirect(url_for('/hkfc-d/voting'))
    else:
        return 'Something went wrong'
#    return '<h1>Something went wrong there</h1>'
    return render_template('login.html', form=form)

@app.route('/register', methods=['GET', 'POST'])
def register():
    form = RegisterForm()
    if form.validate_on_submit():
        salt = uuid.uuid4().hex
        hashed_password = hashlib.sha512(form.password.data + salt).hexdigest()

        sql = "INSERT INTO hockeyUsers (username, email, password) VALUES ('" + form.username.data + "', '" + form.email.data + "', '" + hashed_password + "')"
        print(sql)
        db = write_cloudsql()
        cursor = db.cursor()
        cursor.execute(sql)
        db.commit()
        return '<h2>New user has been created!</h2>'

    return render_template('register.html', form=form)

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=3000, debug=True)