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import type { HandlerFunc, MiddlewareFunc } from "./types.ts";import type { Application } from "./app.ts";
import { join } from "./vendor/https/deno.land/std/path/mod.ts";
export class Group {  prefix: string;  middleware: MiddlewareFunc[];  app: Application;
  #willBeAdded: Array<    [method: string, path: string, h: HandlerFunc, m: MiddlewareFunc[]]  >;
  constructor(opts: { app: Application; prefix: string }) {    this.prefix = opts.prefix || "";    this.app = opts.app || ({} as Application);
    this.middleware = [];    this.#willBeAdded = [];  }
  use(...m: MiddlewareFunc[]): Group {    this.middleware.push(...m);    return this;  }
  connect(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["CONNECT", path, h, m]);    return this;  }  delete(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["DELETE", path, h, m]);    return this;  }  get(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["GET", path, h, m]);    return this;  }  head(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["HEAD", path, h, m]);    return this;  }  options(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["OPTIONS", path, h, m]);    return this;  }  patch(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["PATCH", path, h, m]);    return this;  }  post(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["POST", path, h, m]);    return this;  }  put(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["PUT", path, h, m]);    return this;  }  trace(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    this.#willBeAdded.push(["TRACE", path, h, m]);    return this;  }  any(path: string, h: HandlerFunc, ...m: MiddlewareFunc[]): Group {    const methods = [      "CONNECT",      "DELETE",      "GET",      "HEAD",      "OPTIONS",      "PATCH",      "POST",      "PUT",      "TRACE",    ];    for (const method of methods) {      this.#willBeAdded.push([method, path, h, m]);    }    return this;  }  match(    methods: string[],    path: string,    h: HandlerFunc,    ...m: MiddlewareFunc[]  ): Group {    for (const method of methods) {      this.#willBeAdded.push([method, path, h, m]);    }    return this;  }  add(    method: string,    path: string,    handler: HandlerFunc,    ...middleware: MiddlewareFunc[]  ): Group {    this.#willBeAdded.push([method, path, handler, middleware]);    return this;  }
  static(prefix: string, root: string): Group {    this.app.static(join(this.prefix, prefix), root);    return this;  }
  file(p: string, filepath: string, ...m: MiddlewareFunc[]): Group {    this.app.file(join(this.prefix, p), filepath, ...m);    return this;  }
  group(prefix: string, ...m: MiddlewareFunc[]): Group {    const g = this.app.group(this.prefix + prefix, ...this.middleware, ...m);    return g;  }
  θapplyMiddleware(): void {    for (const [method, path, handler, middleware] of this.#willBeAdded) {      this.app.add(        method,        this.prefix + path,        handler,        ...this.middleware,        ...middleware,      );    }    this.#willBeAdded = [];  }}