import { FetchError } from 'ofetch';

import { TwitterError } from '../../models/errors/TwitterError';
import { IErrorHandler } from '../../types/ErrorHandler';
import { IErrorData as IRawErrorData, IErrorDetails as IRawErrorDetails } from '../../types/raw/base/Error';

/**
 * The base service that handles any errors.
 *
 * @public
 */
export class ErrorService implements IErrorHandler {
	/**
	 * Handles errors thrown by Twitter.
	 *
	 * @param error - The error response received from Twitter.
	 */
	private _handleFetchError(error: FetchError<IRawErrorData | IRawErrorDetails>): void {
		throw new TwitterError(error);
	}

	/**
	 * Handle unknown error.
	 */
	private _handleUnknownError(error: unknown): void {
		throw error;
	}

	/**
	 * The method called when an error response is received from Twitter API.
	 *
	 * @param error - The error caught while making HTTP request to Twitter API.
	 */
	public handle(error: unknown): void {
		if (error instanceof FetchError) {
			this._handleFetchError(error as FetchError<IRawErrorData | IRawErrorDetails>);
		} else {
			this._handleUnknownError(error);
		}
	}
}