from flask import Flask, Blueprint, render_template, redirect, url_for, request, flash, jsonify
from flask_login import login_user, logout_user, login_required, current_user
from werkzeug.security import generate_password_hash, check_password_hash
from .models import *
from .tools import *
from .association import *
from .events import *
from .item import *

from . import db

app = Flask(__name__)

auth = Blueprint('auth', __name__)


@auth.route('/logout')
@login_required
def logout():
    logout_user()
    return redirect(url_for('main.index'))

@auth.route('/login')
def login():
    return render_template('login.html')

@auth.route('/login', methods=['POST'])
def login_post():
    email = request.form.get('email')
    password = request.form.get('password')
    remember = True if request.form.get('remember') else False

    user = User.query.filter_by(email=email).first()

    # check if user actually exists
    # take the user supplied password, hash it, and compare it to the hashed password in database
    if not user or not check_password_hash(user.password, password):
        flash('Please check your login details and try again.')
        return redirect(url_for('auth.login')) # if user doesn't exist or password is wrong, reload the page

    # if the above check passes, then we know the user has the right credentials
    login_user(user, remember=remember)
    return redirect(url_for('main.profile'))


@auth.route('/signup')
def signup():
    return render_template('signup.html')


@auth.route('/signup', methods=['POST'])
def signup_post():
    email = request.form.get('email')
    name = request.form.get('name')
    password = request.form.get('password')
    # if this returns a user, then the email already exists in database
    user = User.query.filter_by(email=email).first()

    if user: # if a user is found, we want to redirect back to signup page so user can try again
        flash('Email address already exists')
        return redirect(url_for('auth.signup'))
    # create new user with the form data. Hash the password so plaintext version isn't saved.
    new_user = User(email=email, name=name,
                    password=generate_password_hash(password, method='sha256'),
                    swapys=0)
    # add the new user to the database
    db.session.add(new_user)
    db.session.commit()

    return redirect(url_for('auth.login'))

@auth.route('/user/<name>/<id>')
@login_required
def user_page(name, id):
    user = User.query.filter_by(id=id).first()
    name = user.name
    email = user.email
    id = user.id
    swapys = user.swapys
    list = [id, name, email, swapys]
    return render_template('detail_user.html', user_info=list)