/* eslint-disable no-console */
import { Request, Response } from 'express';

/**
 * Error Handler Middleware
 * Centralized error handling for the application
 */

export interface AppError extends Error {
  statusCode?: number;
  isOperational?: boolean;
}

export class CustomError extends Error implements AppError {
  public statusCode: number;

  public isOperational: boolean;

  constructor(
    message: string,
    statusCode: number = 500,
    isOperational: boolean = true,
  ) {
    super(message);
    this.statusCode = statusCode;
    this.isOperational = isOperational;

    Error.captureStackTrace(this, this.constructor);
  }
}

export const errorHandler = (
  err: AppError,
  req: Request,
  res: Response,
): void => {
  const { statusCode = 500, message } = err;

  console.error('Error:', {
    message,
    statusCode,
    stack: err.stack,
    url: req.url,
    method: req.method,
  });

  res.status(statusCode).json({
    error: {
      message: statusCode === 500 ? 'Internal Server Error' : message,
      statusCode,
      ...(process.env.NODE_ENV === 'development' && { stack: err.stack }),
    },
  });
};

export const notFoundHandler = (req: Request, res: Response): void => {
  res.status(404).json({
    error: {
      message: `Route ${req.originalUrl} not found`,
      statusCode: 404,
    },
  });
};