const { DataTypes } = require('sequelize');
const { sequelize } = require('../config/database');

const GradeCategory = sequelize.define('grade_categories', {
  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
  category_code: { type: DataTypes.STRING(20), allowNull: false },
  category_name: { type: DataTypes.STRING(100), allowNull: false },
  subject_id: { type: DataTypes.UUID },
  weight: { type: DataTypes.DECIMAL(5, 2), comment: 'Trọng số %' },
  description: { type: DataTypes.TEXT },
  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
}, {
  tableName: 'grade_categories',
  timestamps: true,
  underscored: true,
});

module.exports = GradeCategory;