# -*- mode: python; -*-

from flask import Blueprint, render_template, redirect, url_for, request, flash
from flask_login import login_user, login_required, logout_user
from werkzeug.security import generate_password_hash, check_password_hash

from ... import db
from ...models import User
from .forms import LoginForm, RegisterForm


auth = Blueprint("auth", __name__)


@auth.route("/login", methods=["GET", "POST"])
def login():
    form = LoginForm()
    if form.validate_on_submit():
        req = request.form
        # print(req["remember"])
        remember = True if req.get("remember") else False
        user = User.query.filter_by(username=req["username"]).first()
        if user is None:
            flash("User not registered.", "error")
            return redirect(url_for("auth.register"))
        if check_password_hash(user.hashed_password, req["password"]) is False:
            flash("Wrong password.", "error")
            return redirect(url_for("auth.login"))
        login_user(user, remember=remember)
        flash(
            f"Logged in as user {user.username} successfully. "
            + f"You will {'not' if remember is False else ''} be remembered next time!"
        )
        return redirect(url_for("main.home"))
    return render_template("modules/login.html", form=form)


@auth.route("/register", methods=["GET", "POST"])
def register():
    form = RegisterForm()
    if form.validate_on_submit():
        req = request.form
        user_already_exists = User.query.filter_by(
            name_first=req["name_first"],
            name_last=req["name_last"],
        ).first()
        if user_already_exists:
            flash(
                f"User {req['name_first']} {req['name_last']} already exists.", "error"
            )
            return redirect(url_for("auth.login"))
        new_user = User(
            username=req["username"],
            hashed_password=generate_password_hash(req["password"], method="sha256"),
            name_first=req["name_first"],
            name_last=req["name_last"],
            email=req["email"],
            phone_mobile=req["phone_mobile"],
            phone_alternative=req["phone_alternative"],
        )
        db.session.add(new_user)
        db.session.commit()
        flash(f"Created user {req['name_first']} {req['name_last']} successfully.")
        return redirect(url_for("main.home"))
    return render_template("modules/register.html", form=form)


@auth.route("/logout")
@login_required
def logout():
    logout_user()
    flash(f"Logged out successfully.")
    return redirect(url_for("main.home"))