/* eslint-disable @typescript-eslint/no-empty-interface */
import {
  ClassProvider,
  InjectionToken,
  Type,
  ValueProvider,
} from '@angular/core';
import { CallStateErrorHandler } from './call-state.model';

export interface ErrorHandler<T extends CustomError> {
  toError: (error: unknown) => T;
  getErrorMessage: (error?: T) => string | undefined;
}

export interface CustomError {}

export const ERROR_TOKEN = new InjectionToken<ErrorHandler<any>>('error', {
  factory: () => new CallStateErrorHandler(),
});

export const provideErrorHandler = <T extends ErrorHandler<any>>(
  errorHandlerClass: Type<T>,
): ClassProvider => ({ provide: ERROR_TOKEN, useClass: errorHandlerClass });

export const FLICKER_TIME = new InjectionToken<number>('flicker', {
  factory: () => 300,
});

export const provideFlickerDelay = (delay: number): ValueProvider => ({
  provide: FLICKER_TIME,
  useValue: delay,
});