/* eslint-disable @typescript-eslint/no-explicit-any */
import { TErrorSource, TGenericErrorResponse } from '../interfaces/errors';

/**
 * Handle Mongoose duplicate key error (11000)
 * @param err - Mongoose error object
 * @returns Formatted error response
 */
const handleMongooseDuplicateError = (err: any): TGenericErrorResponse => {
  // Extract field name and value from error message
  const match = err.message.match(/dup key: \{\s*([^:]+):\s*"([^"]+)"\s*\}/);
  const fieldName = match?.[1]?.trim() || 'unknown_field';
  const fieldValue = match?.[2]?.trim() || 'unknown_value';
  
  const errorSources: TErrorSource[] = [
    {
      path: fieldName,
      message: fieldValue ? `${fieldValue} already exists!` : 'Duplicate value detected'
    }
  ];

  return {
    statusCode: 409,
    message: 'Duplicate entry violation',
    errorSources
  };
};

export default handleMongooseDuplicateError;