from flask_sqlalchemy import SQLAlchemy
from flask_login import UserMixin
from werkzeug.security import generate_password_hash, check_password_hash

db = SQLAlchemy()


class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(80), unique=True, nullable=False)
    password_hash = db.Column(db.String(256), nullable=False)

    categories = db.relationship(
        'Category', backref='user', lazy=True, cascade='all, delete-orphan'
    )
    contacts = db.relationship(
        'Contact', backref='user', lazy=True, cascade='all, delete-orphan'
    )

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)


class Category(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(120), nullable=False)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)

    contacts = db.relationship(
        'Contact', backref='category', lazy=True, cascade='all, delete-orphan'
    )


class Contact(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(120), nullable=False)
    surname = db.Column(db.String(120), default='')
    address = db.Column(db.String(300), default='')
    phone = db.Column(db.String(30), default='')
    mobile = db.Column(db.String(30), default='')
    notes = db.Column(db.Text, default='')
    property_id = db.Column(db.String(60), default='')
    map_location = db.Column(db.String(300), default='')
    category_id = db.Column(
        db.Integer, db.ForeignKey('category.id'), nullable=False
    )
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)