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

const AuditLog = sequelize.define('audit_logs', {
  id: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, primaryKey: true },
  school_id: { type: DataTypes.UUID },
  user_id: { type: DataTypes.UUID },
  action: { type: DataTypes.STRING(100), allowNull: false },
  entity_type: { type: DataTypes.STRING(100) },
  entity_id: { type: DataTypes.UUID },
  old_values: { type: DataTypes.JSON },
  new_values: { type: DataTypes.JSON },
  ip_address: { type: DataTypes.STRING(45) },
  user_agent: { type: DataTypes.TEXT },
  status: {
    type: DataTypes.ENUM('success', 'failed'),
    defaultValue: 'success'
  },
  error_message: { type: DataTypes.TEXT },
  created_at: { type: DataTypes.DATE, allowNull: false, defaultValue: DataTypes.NOW },
}, {
  tableName: 'audit_logs',
  timestamps: false,
  createdAt: 'created_at',
  updatedAt: false,
  indexes: [
    { fields: ['school_id'] },
    { fields: ['user_id'] },
    { fields: ['action'] },
    { fields: ['entity_type', 'entity_id'] },
    { fields: ['created_at'] },
  ],
});

module.exports = AuditLog;