import {EParamType} from "./types";
import {BodyInputHelper} from "./input-helper.body";
import {UserInputHelper} from "./input-helper.user";
import {ParamInputHelper, SafeParamInputHelper} from "./input-helper.param";
import {FileInputHelper} from "./input-helper.upload";
import {InputHelper} from "./input-helper";

export function inputHelperFactory<ReqType, ResType>(from: EParamType, copy: InputHelper<ReqType, ResType>): InputHelper<ReqType, ResType> & any {
	let e;
	switch (from) {
	case EParamType.TYPE_LOGIN:
		e = new UserInputHelper(copy, from);
		break;
	case EParamType.TYPE_BODY:
		e = new BodyInputHelper(copy, from);
		break;
	case EParamType.TYPE_REWRITE_PATH:
		e = new ParamInputHelper(copy, from);
		break;
	case EParamType.TYPE_GET:
		e = new ParamInputHelper(copy, from);
		break;
	case EParamType.TYPE_POST:
		e = new ParamInputHelper(copy, from);
		break;
	case EParamType.TYPE_UPLOAD:
		e = new FileInputHelper(copy, from);
		break;
	case EParamType.TYPE_COOKIE:
		e = new ParamInputHelper(copy, from);
		break;
	case EParamType.TYPE_SAFE_COOKIE:
		e = new SafeParamInputHelper(copy, from);
		break;
	case EParamType.TYPE_SESSION:
		e = new SafeParamInputHelper(copy, from);
		break;
	default:
		throw new TypeError('unknown type');
	}
	return e;
}