import { Route, ViewType } from '@/types';

import got from '@/utils/got';
import { parseDate } from '@/utils/parse-date';
import { art } from '@/utils/render';
import path from 'node:path';
import dayjs from 'dayjs';

export const route: Route = {
    path: '/freegames/:locale?/:country?',
    categories: ['game'],
    view: ViewType.Notifications,
    example: '/epicgames/freegames/en-US/US',
    parameters: {
        locale: {
            description: 'Locale',
            default: 'en-US',
        },
        country: {
            description: 'Country',
            default: 'US',
        },
    },
    features: {
        requireConfig: false,
        requirePuppeteer: false,
        antiCrawler: false,
        supportBT: false,
        supportPodcast: false,
        supportScihub: false,
    },
    radar: [
        {
            source: ['store.epicgames.com/:locale/free-games'],
            target: '/freegames/:locale',
        },
    ],
    name: 'Free games',
    maintainers: ['DIYgod', 'NeverBehave', 'Zyx-A', 'junfengP', 'nczitzk', 'KotaHv'],
    handler,
};

async function handler(ctx) {
    const locale = ctx.req.param('locale') ?? 'en-US';
    const country = ctx.req.param('country') ?? 'US';

    const rootUrl = 'https://store.epicgames.com';
    const currentUrl = `${rootUrl}/${locale}/free-games?lang=${locale}`;
    const apiUrl = `https://store-site-backend-static-ipv4.ak.epicgames.com/freeGamesPromotions?locale=${locale}&country=${country}&allowCountries=${country}`;
    const contentBaseUrl = `https://store-content-ipv4.ak.epicgames.com/api/${locale}/content`;

    const response = await got({
        method: 'get',
        url: apiUrl,
    });

    const now = dayjs();
    const items = response.data.data.Catalog.searchStore.elements
        .filter(
            (item) =>
                item.promotions &&
                item.promotions.promotionalOffers &&
                item.promotions.promotionalOffers.length &&
                item.promotions.promotionalOffers[0].promotionalOffers[0].discountSetting.discountType === 'PERCENTAGE' &&
                item.promotions.promotionalOffers[0].promotionalOffers[0].discountSetting.discountPercentage === 0 &&
                dayjs(item.promotions.promotionalOffers[0].promotionalOffers[0].startDate) <= now &&
                dayjs(item.promotions.promotionalOffers[0].promotionalOffers[0].endDate) > now
        )
        .map(async (item) => {
            let link = `${rootUrl}/${locale}/p/`;
            let contentUrl = `${contentBaseUrl}/products/`;
            let isBundles = false;
            if (item.categories.some((category) => category.path === 'bundles')) {
                link = `${rootUrl}/${locale}/bundles/`;
                isBundles = true;
                contentUrl = `${contentBaseUrl}/bundles/`;
            }
            let linkSlug =
                item.catalogNs.mappings && item.catalogNs.mappings.length > 0
                    ? item.catalogNs.mappings[0].pageSlug
                    : (item.offerMappings && item.offerMappings.length > 0
                      ? item.offerMappings[0].pageSlug
                      : (item.productSlug ?? item.urlSlug));
            if (item.offerType === 'ADD_ON') {
                linkSlug = item.offerMappings[0].pageSlug;
            }
            link += linkSlug;
            contentUrl += linkSlug;
            let description = item.description;
            if (isBundles) {
                const contentResp = await got({
                    method: 'get',
                    url: contentUrl,
                });
                description = contentResp.data.data.about.shortDescription;
            }
            let image = item.keyImages[0].url;
            item.keyImages.some((keyImage) => {
                if (keyImage.type === 'DieselStoreFrontWide') {
                    image = keyImage.url;
                    return true;
                }
                return false;
            });
            const endDate = dayjs(item.promotions.promotionalOffers[0].promotionalOffers[0].endDate).toISOString();
            return {
                title: item.title,
                author: item.seller.name,
                link,
                description: art(path.join(__dirname, 'templates/description.art'), {
                    description,
                    image,
                    endDate,
                }),
                pubDate: parseDate(item.promotions.promotionalOffers[0].promotionalOffers[0].startDate),
            };
        });
    return {
        title: 'Epic Games Store - Free Games',
        link: currentUrl,
        item: await Promise.all(items),
    };
}