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import {  Handler,  Res,  HandlerBuilder,  Status,} from "./handler.ts";import { delay } from "https://deno.land/std/async/delay.ts";
class Echo implements HandlerBuilder {  buildHandler(conf?: Map<string, any>): Handler {    return {      async handle(res: Res): Promise<Res> {        return new Promise((resolve) => resolve(res));      },    };  }}
class Square implements HandlerBuilder {  buildHandler(conf?: Map<string, any>): Handler {    return {      async handle(res: Res): Promise<Res> {        return {          status: Status.Ok,          data: res.data * res.data,          meta: res.meta,        };      },    };  }}
class Delay implements HandlerBuilder {  buildHandler(conf?: Map<string, any>): Handler {    return {      async handle(res: Res): Promise<Res> {        if (conf) {          await delay(conf.get("delay"));        }        return res;      },    };  }}
class Failed implements HandlerBuilder {  buildHandler(conf?: Map<string, any>): Handler {    return {      async handle(res: Res): Promise<Res> {        throw new Error("failed");      },    };  }}
export const HandlerBuilderEcho = new Echo();export const HandlerBuilderSquare = new Square();export const HandlerBuilderDelay = new Delay();export const HandlerBuilderFailed = new Failed();
export const TestBuilders = {  getBuilder(name: string): HandlerBuilder {    const builder = new Map<string, HandlerBuilder>([      ["echo", HandlerBuilderEcho],      ["square", HandlerBuilderSquare],      ["delay", HandlerBuilderDelay],      ["failed", HandlerBuilderFailed],    ]).get(name);    if (!builder) {      throw Error("builder not found");    }    return builder;  },};