import collect from 'bisheng/collect';
import MainContent from './MainContent';

export default collect(async (nextProps) => {
    const { pathname } = nextProps.location;

    const pageDataPath =
        pathname.indexOf('.html') > 0
            ? pathname.replace('.html', '').split('/')
            : pathname.replace('-cn', '').split('/');

    const pageData = nextProps.utils.get(nextProps.data, pageDataPath);

    if (!pageData) {
        // eslint-disable-next-line no-throw-literal
        throw 404;
    }

    const locale = 'zh-CN';
    const pageDataPromise =
        typeof pageData === 'function'
            ? pageData()
            : (pageData[locale] || pageData.index[locale] || pageData.index)();
    const demosFetcher = nextProps.utils.get(nextProps.data, [...pageDataPath, 'demo']);
    if (demosFetcher) {
        const [localizedPageData, demos] = await Promise.all([pageDataPromise, demosFetcher()]);
        return { localizedPageData, demos };
    }

    return { localizedPageData: await pageDataPromise };
})(MainContent);