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

const StaffContract = sequelize.define('staff_contracts', {
  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
  teacher_id: { type: DataTypes.UUID, allowNull: false },
  school_id: { type: DataTypes.UUID, allowNull: false },
  contract_type: { type: DataTypes.ENUM('full_time', 'part_time', 'contract'), allowNull: false },
  start_date: { type: DataTypes.DATE, allowNull: false },
  end_date: { type: DataTypes.DATE },
  salary: { type: DataTypes.DECIMAL(12, 2) },
  status: { type: DataTypes.ENUM('active', 'expired', 'terminated'), defaultValue: 'active' },
  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
  updated_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
}, {
  tableName: 'staff_contracts',
  timestamps: true,
  underscored: true,
});

module.exports = StaffContract;