from uuid import uuid4
from random import choice
from os import environ
import crypt

from flask import Flask
from flask import redirect
from flask import render_template
from flask import request
from flask import session
from flask import url_for
from flask_bootstrap import Bootstrap
from flask_sqlalchemy import SQLAlchemy
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField, BooleanField, PasswordField
from wtforms.validators import DataRequired, Length, Optional
import flask_sqlalchemy


app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = environ.get(
    'DB_URI', 'sqlite:///fishbowl.db'
)
app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
app.secret_key = environ.get('SECRET_KEY', uuid4().hex)
bootstrap = Bootstrap(app)
db = SQLAlchemy(app)


class Game(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    uuid = db.Column(db.String(32), unique=True, nullable=False)
    password = db.Column(db.String(128))
    admin_password = db.Column(db.String(128))
    words = db.relationship(
        'Word',
        backref=db.backref('game', lazy=True),
    )

    @classmethod
    def new(cls, password, admin_password=None):
        game = Game(uuid=uuid4().hex)
        salt = crypt.mksalt()
        if password:
            game.password = crypt.crypt(password, salt)
        if admin_password:
            admin_password = crypt.crypt(admin_password, salt)
        return game

    @classmethod
    def by_uuid(cls, uuid):
        return cls.query.filter_by(
            uuid=uuid,
        ).one()

    def get_url(self):
        return url_for('.game', game_uuid=self.uuid)

    def get_remaining_words(self):
        return [
            word for word in self.words
            if not word.is_hidden and not word.is_picked
        ]


class Word(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    text = db.Column(db.String(1024))
    game_id = db.Column(db.Integer, db.ForeignKey('game.id'))
    is_hidden = db.Column(db.Boolean, default=False)
    is_picked = db.Column(db.Boolean, default=False)


class NewGameForm(FlaskForm):
    game_password = PasswordField(
        'Game password (optional)', validators=[Optional(), Length(5, 128)]
    )
    # admin_password = PasswordField(
    #     'Admin password', validators=[DataRequired(), Length(5, 128)]
    # )
    submit = SubmitField(label='Create')


class GameLoginForm(FlaskForm):
    game_password = PasswordField(
        'Game password', validators=[DataRequired(), Length(5, 128)]
    )
    # admin_password = PasswordField(
    #     'Admin password', validators=[DataRequired(), Length(5, 128)]
    # )
    submit = SubmitField(label='Login')


class AddWordForm(FlaskForm):
    new_word = StringField('New word', validators=[Length(3, 1024)])
    submit_new_word = SubmitField(label='Add new word')


class PlayGameForm(FlaskForm):
    draw_word = SubmitField(label='Draw word')
    reset_game = SubmitField(label='Reset game')
    reset_confirm = BooleanField(label='Confirm reset')


@app.route('/', methods=['GET', 'POST'])
def index():
    form = NewGameForm()
    if request.method == 'POST':
        if form.validate_on_submit():
            game = Game.new(form.game_password.data)
            db.session.add(game)
            db.session.commit()
            app.logger.info("Created game %i, %s", game.id, game.uuid)
            return redirect(game.get_url())
        else:
            print("Form was not valid")

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


@app.route('/game/<game_uuid>', methods=['GET', 'POST'])
def game(game_uuid):
    # Init login tracker
    if 'logged_in' not in session:
        session['logged_in'] = {}
    game_login = GameLoginForm()
    word_form = AddWordForm()
    play_form = PlayGameForm()
    try:
        game = Game.by_uuid(game_uuid)
    except flask_sqlalchemy.orm.exc.NoResultFound:
        return redirect(url_for('.index'))
    word = None
    if request.method == 'POST':
        # Check if trying to login
        if game_login.submit.data and game_login.validate():
            if crypt.crypt(game.password, game_login.game_password.data):
                if not session['logged_in']:
                    session['logged_in'] = {}
                session['logged_in'][game.uuid] = True
        # Check if word is being added
        if word_form.submit_new_word.data and word_form.validate():
            word = Word(text=word_form.new_word.data)
            game.words.append(word)
        # We just drew a new word!
        if play_form.draw_word.data:
            words = game.get_remaining_words()
            if words:
                word = choice(words)
                word.is_picked = True
            else:
                word = "There are no words. Add some and try again!"
        # Reset the game
        if play_form.reset_game.data and play_form.reset_confirm.data:
            for unpick_word in game.words:
                unpick_word.is_picked = False

        db.session.add(game)
        db.session.commit()

    words = game.get_remaining_words()

    return render_template(
        'game.html',
        game_login=game_login,
        word_form=word_form,
        play_form=play_form,
        game=game,
        word=word,
        words=words,
    )


if __name__ == '__main__':
    db.create_all()
    app.run(host='0.0.0.0', port=3000)