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import { getCookies, ServerRequest } from '../package.ts';
type Route = {  actionName: string;  params: any[], // TODO define type  routeParams?: {[key: string]: any}}
type ArgumentValue = any;
/** * Gets action params for routes  * @param req  * @param res  * @param route  */export async function getActionParams(  req: ServerRequest,  res: any,  route: Route  ): Promise<ArgumentValue[]> {
  const args: ArgumentValue[] = [];    // const body   const queryParams = findSearchParams(req.url);  const cookies = getCookies(req) || {};  const params = route.params.sort((a, b) => a.index - b.index);
  // fill params to resolve  for (let i = 0; i < params.length; i++) {    const param = params[i];
    switch (param.type) {      case 'query':        if(queryParams){          const paramsArgs = queryParams.get(param.name);
          if(paramsArgs) {            args.push(paramsArgs)          }        } else {          args.push(undefined);        }        break;
      case 'cookie':        args.push(cookies[param.name]);        break;
      case 'body':        // TODO: if content type json, form, etc...        let body = await Deno.readAll(req.body);        const bodyString = new TextDecoder("utf-8").decode(body);        try {          body = JSON.parse(bodyString);        } catch (error) {        }        args.push(body);        break;
      case 'request':        args.push(req);        break;
      case 'response':        args.push(res);        break;
      case 'route-param':          if(route.routeParams){            args.push(route.routeParams[param.name]);          } else {            args.push(undefined);          }          break;
      default:        args.push(undefined);        break;    }  }  return new Promise(res => res(args));}/** * Finds query search params from full url * @param url  */function findSearchParams(url: string): URLSearchParams | undefined {  if (url == undefined) return undefined;
  const searchs = url.split('?')[1];
  if (searchs == undefined) return undefined;
  return new URLSearchParams(searchs);}