/***********************************************************************************************************************************************************************
 * File Name: achievements.mdl.js
 * Type of Program: Model
 * Description: User achievements — badges and milestones.
 *              Unique per user + key (one achievement of each type per user).
 *
 *              Built-in keys:
 *                Badge:
 *                  early_access         — registered before Dec 31, 2026
 *                  premium_first_time   — first premium tier purchase
 *                  exclusive_first_time — first exclusive tier purchase
 *                Milestone:
 *                  course_completed     — completed first course
 *                  (extend as needed)
 *
 * Author: Kenneth Obsequio (@lash0000)
 * Date Created: Jun. 11, 2026
 ***********************************************************************************************************************************************************************/
const { DataTypes } = require('sequelize');
const sequelize     = require('../../config/db.config');

const mdl_Achievements = sequelize.define('Achievement', {
  achievement_id: { type: DataTypes.BIGINT,       primaryKey: true, autoIncrement: true, label: 'Achievement ID', hidden: true,  order: 0  },
  user_id:        { type: DataTypes.BIGINT,       allowNull: false,                      label: 'User ID',        hidden: true,  order: 0  },
  type:           { type: DataTypes.ENUM('badge', 'milestone'), allowNull: false, defaultValue: 'badge', label: 'Type', hidden: false, order: 1, filterable: true },
  key:            { type: DataTypes.STRING(100),  allowNull: false,                      label: 'Key',            hidden: false, order: 2, filterable: true  },
  label:          { type: DataTypes.STRING(255),  allowNull: false,                      label: 'Label',          hidden: false, order: 3, filterable: true  },
  description:    { type: DataTypes.TEXT,         allowNull: true,                       label: 'Description',    hidden: false, order: 4, filterable: false },
  granted_by:     { type: DataTypes.BIGINT,       allowNull: true,                       label: 'Granted By',     hidden: false, order: 5, filterable: false },
  granted_at:     { type: DataTypes.DATE,         allowNull: false, defaultValue: DataTypes.NOW, label: 'Granted At', hidden: false, order: 6, filterable: false },
  metadata:       { type: DataTypes.JSONB,        allowNull: true,  defaultValue: {},    label: 'Metadata',       hidden: true,  order: 0  },
}, {
  tableName:  'achievements',
  timestamps: true,
  paranoid:   false,
});

module.exports = mdl_Achievements;