import os
from flask import Flask, redirect, url_for, request, render_template
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager, login_user, logout_user, login_required, current_user
from flask_wtf import Form
from wtforms import TextField, PasswordField
from wtforms.validators import DataRequired
from flask_session import Session
from flask_sqlalchemy import SQLAlchemy
import pprint

pprint.pprint(globals())
pprint.pprint(locals())
app = Flask(__name__)
app.debug = True
app.config.from_object('config.DevelopmentConfig')

sess = Session()
db = SQLAlchemy(app)

app.config['SESSION_SQLALCHEMY'] = db

sess.init_app(app);

login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = "login"

@login_manager.user_loader
def user_loader(email):
  return  User.query.filter_by(email=email).first()

@login_manager.request_loader
def request_loader(request):
    email = request.form.get('email')
    user = User.query.filter_by(email=email).first()
    user.is_authenticated = request.form['pw'] == user.password
    return user

class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100), unique=True)
    email = db.Column(db.String(100), unique=True)
    password = db.Column(db.String(100))
    is_active = db.Column(db.Boolean(), default=False)
    is_anonymous = db.Column(db.Boolean(), default=False)
    is_authenticated = db.Column(db.Boolean(), default=False)
    def __init__(self, name, email, password):
        self.name = name
        self.email = email
        self.password = password

    def __repr__(self):
        return '<name {}>'.format(self.name)

    def is_active(self):
        return self.is_active

    def get_id(self):
        return self.email

    def is_authenticated(self):
        return self.is_authenticated

    def is_anonymous(self):
        return self.is_anonymous

@app.route('/')
def index():
    return "Hello World!"


@app.route('/adduser/<name>')
def adduser(name):
  user = User(name, name + "@nordstrom.net", "password")
  db.session.add(user)
  db.session.commit();
  outstring = "added " + user.name
  return outstring

@app.route('/getuser/<name>')
def getuser(name):
  user = user_loader(name + "@nordstrom.net")
  outstring = user.email
  return outstring

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'GET':
        # error=None
        # return render_template('login.html', error=error)
        return '''
               <form action='login' method='POST'>
                <input type='text' name='email' id='email' placeholder='email'></input>
                <input type='password' name='pw' id='pw' placeholder='password'></input>
                <input type='submit' name='submit'></input>
               </form>
               '''

    user = user_loader(request.form['email'])

    if request.form['pw'] == user.password :
      login_user(user)
      return redirect(url_for('protected'))

    return 'Bad login'


@app.route('/protected')
@login_required
def protected():
    return 'Logged in as: ' + current_user.name

@app.route('/logout')
@login_required
def logout():
    logout_user()
    return 'Logged out'

@login_manager.unauthorized_handler
def unauthorized_handler():
    return 'Unauthorized'