import {sync} from "./sync";
import {handleError} from "./catchError";

export function raceOnTime(generator, timeOut) {
    return (new Promise((resolve, reject) => {
        let _resolve;

        const timer = setTimeout(() => {
            reject({error: new Error('timeout')});
        }, timeOut);

        const done = () => {
            _resolve();
            resolve({success: 'ok'});
            clearTimeout(timer);
        };

        new Promise((resolve) => {
            _resolve = resolve;

            sync(function*() {
                try {
                    yield* generator(done);
                } catch (error) {
                    handleError(error);
                }
            });

        }).then();
    }));
}


// example

function* categoryListController(done) {
    loading(true);
    const {error, data} = yield (new swagger.CategoryApi())
        .categoryListGet(select('user.token'), {
            ...select('queries.channel', {}),
            def: true
        });

    done();
    if (!error) {
        dispatch(categoryListAction(data));

        loading(false);
    } else {
        throwError("onCategoryEnterMiddleWare", function () {
            navigate('/v1/login');
        });
    }
}

export default (nextState, replace, next) => sync(function*() {
    try {
        yield* isLoginMiddleware();
        let {error} = yield raceOnTime(categoryListController, 20000);
        if (error)
            navigate('/v1/login');

        next();
    } catch (error) {
        handleError(error);
    }
});