/*
|--------------------------------------------------------------------------
| Http Exception Handler
|--------------------------------------------------------------------------
|
| AdonisJs will forward all exceptions occurred during an HTTP request to
| the following class. You can learn more about exception handling by
| reading docs.
|
| The exception handler extends a base `HttpExceptionHandler` which is not
| mandatory, however it can do lot of heavy lifting to handle the errors
| properly.
|
*/

import Logger from '@ioc:Adonis/Core/Logger'
import HttpExceptionHandler from '@ioc:Adonis/Core/HttpExceptionHandler'
import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'

export default class ExceptionHandler extends HttpExceptionHandler {
  protected statusPages = {
    '403': 'errors/unauthorized',
    '404': 'errors/not-found',
    '500..599': 'errors/server-error',
  }

  constructor() {
    super(Logger)
  }

  public async handle(error: any, ctx: HttpContextContract) {
    const { session, response } = ctx;

    /**
     * Handle failed authentication attempt
     */
    if (['E_INVALID_AUTH_PASSWORD', 'E_INVALID_AUTH_UID'].includes(error.code)) {
      session.flash('login', { error: error.message });
      return response.redirect().back();
    }

    /**
     * Forward rest of the exceptions to the parent class
     */
    return super.handle(error, ctx);
  }
}