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import { Handler, ServeInit, Server } from "./deps.ts";import { handler } from "./handler.ts";import { middleware } from "./middleware.ts";import { router } from "./router.ts";import { page } from "./page.ts";import { dependency } from "./container.ts";import {  Dependency,  HandlerArgument,  MiddlewareArgument,  PathArgument,  SSR,} from "./types.ts";
interface Application {  static(path: string, options?: unknown): Application;  getDeps(key: string): unknown;  serve(options?: ServeInit): Promise<void>;  get(path: PathArgument, ...handlers: HandlerArgument[]): Application;  post(path: PathArgument, ...handlers: HandlerArgument[]): Application;  put(path: PathArgument, ...handlers: HandlerArgument[]): Application;  delete(path: PathArgument, ...handlers: HandlerArgument[]): Application;  head(path: PathArgument, ...handlers: HandlerArgument[]): Application;  options(path: PathArgument, ...handlers: HandlerArgument[]): Application;  patch(path: PathArgument, ...handlers: HandlerArgument[]): Application;  use(...middlewares: MiddlewareArgument[]): Application;  page(    path: PathArgument,    ssr: SSR,    handler: Handler,  ): Application;  close(): void;}
const appHandler = handler();
export const { getParams, getParam, getQueries, getQuery } = appHandler;
export function application(): Application {  const appPage = page();  const appRouter = router();  const appMiddleware = middleware();  let appDeps: Dependency = dependency();  let server: Server;  let staticDirPath: string;
  function containDeps(array: MiddlewareArgument[]) {    for (let index = 0; index < array.length; index++) {      const element = array[index];      if (isDeps(element)) {        return true;      }    }    return false;  }
  function isDeps(first: MiddlewareArgument) {    const deps = <Dependency> first;    return deps.deps !== undefined;  }
  function getProduction() {    return Deno.env.get("ENVIRONMENT") === "PRODUCTION";  }
  function init() {    if (!getProduction() && appPage.pages && appPage.pages.size > 0) {      appPage.pages.forEach((v, k) => {        const [, bundle] = k.split("#/");        v.ssr._createBundle(bundle);      });    }  }
  const app = {    static: (path: string) => {      staticDirPath = path;      return app;    },    deps: appDeps.deps,    getDeps: (key: string) => {      return appDeps.get(key);    },    setDeps: (key: string, val: unknown) => {      appDeps.set(key, val);      return app;    },    close: () => {      return server.close();    },    serve: (options: ServeInit = {}) => {      init();      server = new Server({        onError: options.onError,        hostname: options.hostname,        port: options.port,        handler: appHandler.createHandler(          staticDirPath,          appRouter.routes,          appMiddleware.middlewares,          appPage.pages,        ),      });      const port = options.port ?? 8000;      const listener = Deno.listen({ port });      return server.serve(listener);    },    get: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.get(path, ...handlers);      return app;    },    post: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.post(path, ...handlers);      return app;    },    put: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.put(path, ...handlers);      return app;    },    delete: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.delete(path, ...handlers);      return app;    },    head: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.head(path, ...handlers);      return app;    },    patch: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.patch(path, ...handlers);      return app;    },    options: (path: PathArgument, ...handlers: HandlerArgument[]) => {      appRouter.options(path, ...handlers);      return app;    },    use: (...middlewares: MiddlewareArgument[]) => {      const [first, ...rest] = middlewares;      if (isDeps(first)) {        appDeps = <Dependency> first;        if (containDeps(rest)) {          throw Error("Dependency only used at first argument");        }      } else {        appMiddleware.useMiddleware(...middlewares);      }      return app;    },    page: (      path: PathArgument,      ssr: SSR,      handler: Handler,    ) => {      appPage.set(path, ssr, handler);      return app;    },  };
  return app;}