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

const Class = sequelize.define('classes', {
  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
  class_code: { type: DataTypes.STRING(20), unique: true, allowNull: false },
  class_name: { type: DataTypes.STRING(100), allowNull: false },
  school_id: { type: DataTypes.UUID, allowNull: false, references: { model: 'schools', key: 'id' } },
  academic_year_id: { type: DataTypes.UUID, allowNull: false },
  grade_level: { type: DataTypes.INTEGER },
  homeroom_teacher_id: { type: DataTypes.UUID },
  max_students: { type: DataTypes.INTEGER, defaultValue: 30 },
  current_students: { type: DataTypes.INTEGER, defaultValue: 0 },
  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
}, {
  tableName: 'classes',
  timestamps: true,
  underscored: true,
});

module.exports = Class;