import {
  HttpController,
  HttpControllerMethodHander,
  META_DATA,
} from './class.controller';
import { HttpHandleMethod } from './method.http';

export const Route = (method: HttpHandleMethod, path = '/') => {
  return function (
    target: any,
    name: string,
    descriptor: PropertyDescriptor
  ): void {
    const { constructor } = target;

    const originalHandler = descriptor.value;

    // eslint-disable-next-line no-prototype-builtins
    if (HttpController.isPrototypeOf(constructor)) {
      const httpHandlers =
        Reflect.getOwnMetadata(META_DATA.HttpHandler, target) || [];

      httpHandlers.push({
        method,
        path,
        handler: originalHandler,
        propertyName: name,
      });

      Reflect.defineMetadata(META_DATA.HttpHandler, httpHandlers, target);

      Object.defineProperty(target, name, {
        value: originalHandler,
        writable: true,
      });

      descriptor.value = originalHandler;
    }
  };
};

export const Controller = (path: string) => {
  return function (target: object): void {
    Reflect.defineMetadata(
      META_DATA.DefaultPath,
      path,
      (target as IPrototype).prototype
    );
  };
};

export const Middleware = (handler: HttpControllerMethodHander) => {
  return function (
    target: any,
    name: string,
    descriptor: PropertyDescriptor
  ): void {
    const originalHandler = descriptor.value;

    // eslint-disable-next-line no-prototype-builtins
    if (HttpController.isPrototypeOf(originalHandler)) {
      const controllerMiddlewares =
        Reflect.getMetadata(META_DATA.ControllerMiddleware, target) || [];
      controllerMiddlewares.push(handler);

      Reflect.defineMetadata(
        META_DATA.ControllerMiddleware,
        controllerMiddlewares,
        target
      );
    } else {
      const propertyMiddleware =
        Reflect.getMetadata(META_DATA.PropertyMiddleware, target[name]) || [];

      propertyMiddleware.push(handler);

      Reflect.defineMetadata(
        META_DATA.PropertyMiddleware,
        propertyMiddleware,
        target[name]
      );
    }
  };
};