const { DataTypes } = require("sequelize");
const sequelize = require("../util/database");
const slugify = require("slugify");

const Article = sequelize.define("Article", {
    id: { type: DataTypes.INTEGER, primaryKey: true, autoIncrement: true, allowNull: false },
    slug: { type: DataTypes.STRING, allowNull: false },
    title: { type: DataTypes.STRING, allowNull: false },
    description: { type: DataTypes.TEXT },
    body: { type: DataTypes.TEXT, allowNull: false }
}, {
    sequelize,
    timestamps: true,
    modelName: 'Article',
    tableName: 'article',
    createdAt: true,
    updatedAt: true
});

Article.beforeValidate((article) => {
    article.slug = slugify(article.title, { lower: true });
});

Article.prototype.toJSONFor = function () {
    return {
        id: this.id,
        slug: this.slug,
        title: this.title,
        description: this.description,
        body: this.body
    };
};

module.exports = Article;