/**
 * THIS FILE IS GENERATED AUTOMATICALLY.
 * DO NOT EDIT.
 *
 * You are probably looking on adding startup/initialization code.
 * Use "quasar new boot <name>" and add it there.
 * One boot file per concern. Then reference the file(s) in quasar.conf.js > boot:
 * boot: ['file', ...] // do not add ".js" extension to it.
 *
 * Boot files are your "main.js"
 **/

import App from 'app/src/App.vue';
let appPrefetch =
    typeof App.preFetch === 'function'
        ? App.preFetch
        : // Class components return the component options (and the preFetch hook) inside __c property
        App.__c !== void 0 && typeof App.__c.preFetch === 'function'
        ? App.__c.preFetch
        : false;

function getMatchedComponents(to, router) {
    const route = to ? (to.matched ? to : router.resolve(to).route) : router.currentRoute;

    if (!route) {
        return [];
    }

    return Array.prototype.concat.apply(
        [],
        route.matched.map((m) => {
            return Object.keys(m.components).map((key) => {
                const comp = m.components[key];
                return {
                    path: m.path,
                    c: comp,
                };
            });
        })
    );
}

export function addPreFetchHooks(router, publicPath) {
    // Add router hook for handling preFetch.
    // Doing it after initial route is resolved so that we don't double-fetch
    // the data that we already have. Using router.beforeResolve() so that all
    // async components are resolved.
    router.beforeResolve((to, from, next) => {
        const urlPath = window.location.href.replace(window.location.origin, ''),
            matched = getMatchedComponents(to, router),
            prevMatched = getMatchedComponents(from, router);

        let diffed = false;
        const preFetchList = matched
            .filter((m, i) => {
                return (
                    diffed ||
                    (diffed =
                        !prevMatched[i] || prevMatched[i].c !== m.c || m.path.indexOf('/:') > -1) // does it has params?
                );
            })
            .filter(
                (m) =>
                    m.c !== void 0 &&
                    (typeof m.c.preFetch === 'function' ||
                        // Class components return the component options (and the preFetch hook) inside __c property
                        (m.c.__c !== void 0 && typeof m.c.__c.preFetch === 'function'))
            )
            .map((m) => (m.c.__c !== void 0 ? m.c.__c.preFetch : m.c.preFetch));

        if (appPrefetch !== false) {
            preFetchList.unshift(appPrefetch);
            appPrefetch = false;
        }

        if (preFetchList.length === 0) {
            return next();
        }

        let hasRedirected = false;
        const redirect = (url) => {
            hasRedirected = true;
            next(url);
        };
        const proceed = () => {
            if (hasRedirected === false) {
                next();
            }
        };

        preFetchList
            .reduce(
                (promise, preFetch) =>
                    promise.then(
                        () =>
                            hasRedirected === false &&
                            preFetch({
                                currentRoute: to,
                                previousRoute: from,
                                redirect,
                                urlPath,
                                publicPath,
                            })
                    ),
                Promise.resolve()
            )
            .then(proceed)
            .catch((e) => {
                console.error(e);
                proceed();
            });
    });
}