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// Copyright 2022 Parthka. All rights reserved. MIT license.
import { expParse } from "./util/path_exp.ts";import { Req, Res, Routes } from "./types.ts";
/** Use the Router class to create modular, mountable route handlers. */class Router {  public routes: Routes[] = []; // routes  public hook: ((req: Req, res: Res) => void)[] = [];
  /** add hook */  public use = async (hand: (req: Req, res: Res) => void) => {    await this.hook.push(hand);  };
  /** for all req method */  public all = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "ALL",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only GET method */  public get = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "GET",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only POST method */  public post = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "POST",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only PUT method */  public put = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "PUT",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only DELETE method */  public delete = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "DELETE",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only OPTIONS method */  public options = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "OPTIONS",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only HEAD method */  public head = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "HEAD",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** for only PATCH method */  public patch = (    path: string,    hand: (req: Req, res: Res) => void,    hook: ((req: Req, res: Res) => void)[] = [],  ) => {    const e: Routes = {      path,      reg: / /,      method: "PATCH",      hand: [...this.hook, ...hook, hand],    };    this.routes.push(e);  };
  /** get all routes in current router */  public getRoutes = (m?: boolean) => {    for (const r of this.routes) {      r.reg = expParse(r.path, m);    }    return this.routes; // return all routes  };
  /** add prefix routes */  public pre = (path: string, r: Router) => {    for (const rp of r.routes) {      const e: Routes = {        path: (path + (rp.path !== "/" ? rp.path : "")),        reg: rp.reg,        method: rp.method,        hand: [...this.hook, ...rp.hand],      };      this.routes.push(e);    }  };}
export { Router }; // export router