const { Model } = require('sequelize');
const bcrypt = require("bcryptjs");

module.exports = (sequelize, DataTypes) => {
    class Auth extends Model {
        /**
         * Helper method for defining associations.
         * This method is not a part of Sequelize lifecycle.
         * The `models/index` file will call this method automatically.
         */
        static associate(models) {
            Auth.hasOne(models.User, {
                foreignKey: 'authId',
                as: 'user'
            });
            Auth.hasMany(models.RefreshToken, {
                foreignKey: 'authId',
                as: 'tokens'
            });
        }
    }

    Auth.init({
        email: {
            type: DataTypes.STRING,
            allowNull: false,
            unique: true,
            validate: {isEmail: true},
        },
        password: {
            type: DataTypes.STRING,
            allowNull: false,
        },
    }, {
        sequelize,
        modelName: 'Auth',
        tableName: 'Authentications',
        timestamps: true,
        hooks: {
            beforeCreate: async (auth) => {
                const salt = await bcrypt.genSalt(10);
                auth.password = await bcrypt.hash(auth.password, salt);
            }
        }
    }, {
        defaultScope: {
            attributes: { exclude: ['password'] },
        },
        scopes: {
            withSecretColumns: {
                attributes: { include: ['password'] },
            },
        },
    });

    Auth.prototype.validPassword = function (password) {
        return bcrypt.compareSync(password, this.password);
    };

    return Auth;
}