from flask import render_template, url_for, flash, redirect, request, Blueprint
from flask_login import login_user, current_user, logout_user, login_required
from ligh import db, bcrypt
from ligh.models import User, Post
from ligh.users.forms import RegistrationForm, LoginForm, UpdateAccountForm, RequestResetForm, ResetPasswordForm
from ligh.users.utils import save_profile_picture, send_reset_email

users = Blueprint('users', __name__)


@users.route("/register", methods=['GET', 'POST'])
def register():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = RegistrationForm()
    if form.validate_on_submit():
        hashed_password = bcrypt.generate_password_hash(form.password.data).decode('utf-8')
        user = User(username=form.username.data, email=form.email.data, password=<PASSWORD>)
        db.session.add(user)
        db.session.commit()
        flash(f'Created account', 'success')
        return redirect(url_for('users.login'))
    return render_template('register.html', title='Register', form=form)


@users.route("/login", methods=['GET', 'POST'])
def login():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = LoginForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        if user and bcrypt.check_password_hash(user.password, form.password.data):
            login_user(user, remember=form.remember.data)
            next_page = request.args.get('next')
            return redirect(next_page) if next_page else redirect(url_for('main.home'))
        else:
            flash('Username or password incorrect', 'danger')
    return render_template('login.html', title='Login', form=form)


@users.route("/logout")
def logout():
    logout_user()
    return redirect(url_for('users.login'))


@users.route("/account", methods=['GET', 'POST'])
@login_required
def account():
    form = UpdateAccountForm()
    if form.validate_on_submit():
        if form.use_default_profile_picture.data:
            current_user.profile_picture = "default.jpg"
        elif form.profile_picture.data:
            profile_picture_filename = save_profile_picture(form.profile_picture.data)
            current_user.profile_picture = profile_picture_filename
        current_user.username = form.username.data
        current_user.email = form.email.data
        db.session.commit()
        flash('Account info updated', 'success')
        return redirect(url_for('users.user_posts', username=current_user.username))
    elif request.method == 'GET':
        form.username.data = current_user.username
        form.email.data = current_user.email
    return render_template('account.html', title='My Account', form=form)


@users.route("/user/<string:username>")
def user_posts(username):
    page = request.args.get('page', 1, type=int)
    user = User.query.filter_by(username=username).first_or_404()
    posts = Post.query.filter_by(author=user).order_by(Post.date_posted.desc()).paginate(per_page=5, page=page)
    return render_template('user_posts.html', title=username, posts=posts, user=user)


@users.route("/reset_password", methods=['GET', 'POST'])
def reset_request():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = RequestResetForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        send_reset_email(user)
        flash('An Email has been sent', 'info')
        return redirect(url_for('users.login'))
    return render_template('reset_request.html', title='Reset Password', form=form)


@users.route("/reset_password/<token>", methods=['GET', 'POST'])
def reset_token(token):
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    user = User.verify_reset_token(token)
    if not user:
        flash('Invalid token', 'warning')
        return redirect(url_for('users.reset_request'))
    form = ResetPasswordForm()
    if form.validate_on_submit():
        hashed_password = <PASSWORD>.generate_password_hash(form.password.data).decode('utf-8')
        user.password = <PASSWORD>
        db.session.commit()
        flash(f'Password updated', 'success')
        return redirect(url_for('users.login'))
    return render_template('reset_token.html', title='Reset Password', form=form)

from flask import render_template, url_for, flash, redirect, request, Blueprint
from flask_login import login_user, current_user, logout_user, login_required
from ligh import db, bcrypt
from ligh.models import User, Post
from ligh.users.forms import RegistrationForm, LoginForm, UpdateAccountForm, RequestResetForm, ResetPasswordForm
from ligh.users.utils import save_profile_picture, send_reset_email

users = Blueprint('users', __name__)


@users.route("/register", methods=['GET', 'POST'])
def register():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = RegistrationForm()
    if form.validate_on_submit():
        hashed_password = bcrypt.generate_password_hash(form.password.data).decode('utf-8')
        user = User(username=form.username.data, email=form.email.data, password=<PASSWORD>)
        db.session.add(user)
        db.session.commit()
        flash(f'Created account', 'success')
        return redirect(url_for('users.login'))
    return render_template('register.html', title='Register', form=form)


@users.route("/login", methods=['GET', 'POST'])
def login():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = LoginForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        if user and bcrypt.check_password_hash(user.password, form.password.data):
            login_user(user, remember=form.remember.data)
            next_page = request.args.get('next')
            return redirect(next_page) if next_page else redirect(url_for('main.home'))
        else:
            flash('Username or password incorrect', 'danger')
    return render_template('login.html', title='Login', form=form)


@users.route("/logout")
def logout():
    logout_user()
    return redirect(url_for('users.login'))


@users.route("/account", methods=['GET', 'POST'])
@login_required
def account():
    form = UpdateAccountForm()
    if form.validate_on_submit():
        if form.use_default_profile_picture.data:
            current_user.profile_picture = "default.jpg"
        elif form.profile_picture.data:
            profile_picture_filename = save_profile_picture(form.profile_picture.data)
            current_user.profile_picture = profile_picture_filename
        current_user.username = form.username.data
        current_user.email = form.email.data
        db.session.commit()
        flash('Account info updated', 'success')
        return redirect(url_for('users.user_posts', username=current_user.username))
    elif request.method == 'GET':
        form.username.data = current_user.username
        form.email.data = current_user.email
    return render_template('account.html', title='My Account', form=form)


@users.route("/user/<string:username>")
def user_posts(username):
    page = request.args.get('page', 1, type=int)
    user = User.query.filter_by(username=username).first_or_404()
    posts = Post.query.filter_by(author=user).order_by(Post.date_posted.desc()).paginate(per_page=5, page=page)
    return render_template('user_posts.html', title=username, posts=posts, user=user)


@users.route("/reset_password", methods=['GET', 'POST'])
def reset_request():
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    form = RequestResetForm()
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        send_reset_email(user)
        flash('An Email has been sent', 'info')
        return redirect(url_for('users.login'))
    return render_template('reset_request.html', title='Reset Password', form=form)


@users.route("/reset_password/<token>", methods=['GET', 'POST'])
def reset_token(token):
    if current_user.is_authenticated:
        return redirect(url_for('main.home'))
    user = User.verify_reset_token(token)
    if not user:
        flash('Invalid token', 'warning')
        return redirect(url_for('users.reset_request'))
    form = ResetPasswordForm()
    if form.validate_on_submit():
        hashed_password = <PASSWORD>.generate_password_hash(form.password.data).decode('utf-8')
        user.password = <PASSWORD>
        db.session.commit()
        flash(f'Password updated', 'success')
        return redirect(url_for('users.login'))
    return render_template('reset_token.html', title='Reset Password', form=form)
