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

const LeaveRequest = sequelize.define('leave_requests', {
  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
  student_id: { type: DataTypes.UUID, allowNull: false },
  requested_by: { type: DataTypes.UUID, allowNull: false, comment: 'Parent user_id' },
  leave_from: { type: DataTypes.DATE, allowNull: false },
  leave_to: { type: DataTypes.DATE, allowNull: false },
  reason: { type: DataTypes.TEXT, allowNull: false },
  status: { type: DataTypes.ENUM('pending', 'approved', 'rejected'), defaultValue: 'pending' },
  approved_by: { type: DataTypes.UUID },
  approved_at: { type: DataTypes.DATE },
  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
}, {
  tableName: 'leave_requests',
  timestamps: true,
  underscored: true,
});

module.exports = LeaveRequest;