alvarocastro/wow-realm-status

const request = require('request-promise-native');

const apiFetch = function (input) {
    return request.post({
        headers: {
            'content-type': 'application/json'
        },
        url: 'https://worldofwarcraft.com/graphql',
        body: {
            operationName: 'GetInitialRealmStatusData',
            variables: {
                input
            },
            extensions: {
                persistedQuery: {
                    version: 1,
                    sha256Hash: '9c7cc66367037fda3007b7f592201c2610edb2c9a9292975cd131a37bbe61930'
                }
            }
        },
        json: true
    });
};

const makeRegionGameVersionSlug = function (region, version = 'retail') {
    if (version === 'classic') {
        return `classic-${region}`;
    }

    if (version === 'bc') {
        return `bcc-${region}`;
    }

    return region;
};

const fetchRealms = async function (region, version = 'retail') {
    const compoundRegionGameVersionSlug = makeRegionGameVersionSlug(region, version);
    const {data} = await apiFetch({compoundRegionGameVersionSlug});
    const realmsRaw = data.Realms;

    return realmsRaw.map(realm => {
        let population;

        if (!realm.population) {
            population = '-';
        } else if (realm.population.slug === 'recomended') {
            population = 'very-low';
        } else {
            population = realm.population.slug;
        }

        return {
            name: realm.name,
            slug: realm.slug,
            locale: realm.locale,
            timezone: realm.timezone,
            online: realm.online,
            type: realm.type.slug,
            population
        };
    });
};

const fetchRealm = async function (region, realm, version = 'retail') {
    const realms = await fetchRealms(region, version);

    return realms.find(r => {
        return [r.name.toLowerCase(), r.slug.toLowerCase()].includes(realm.toLowerCase());
    });
};

module.exports = {
    fetchRealms,
    fetchRealm
};