import { Data, DataItem, Route } from '@/types';
import cache from '@/utils/cache';
import got from '@/utils/got';
import { parseDate } from '@/utils/parse-date';
import { Context } from 'hono';

export const route: Route = {
    path: '/:category?/:order?',
    categories: ['game'],
    example: '/gamer520/switchyouxi',
    parameters: {
        category: '分类，见下表',
        order: '排序，发布日期: date; 修改日期: modified',
    },
    features: {
        antiCrawler: true,
    },
    name: '文章',
    maintainers: ['xzzpig'],
    handler,
    url: 'www.gamer520.com/',
    description: `分类

| 所有 | Switch 游戏下载 | 金手指     | 3A 巨作 | switch 主题 | PC 游戏 |
| ---- | --------------- | ---------- | ------- | ----------- | ------- |
| all  | switchyouxi     | jinshouzhi | 3ajuzuo | zhuti       | pcgame  |`,
};

interface Post {
    id: number;
    guid: { rendered: string };
    title: { rendered: string };
    date_gmt: string;
    modified_gmt: string;
    categories?: number[];
    content: { rendered: string };
}

interface Category {
    id: number;
    name: string;
    link: string;
    slug: string;
}

async function getCategories(baseUrl: string): Promise<Category[]> {
    return (await cache.tryGet('gamer520:categories', async () => {
        const { data } = await got(`${baseUrl}/wp-json/wp/v2/categories`);
        return data.map((category) => ({ slug: category.slug, id: category.id, name: category.name, link: category.link }));
    })) as Category[];
}

async function handler(ctx: Context): Promise<Data> {
    const baseUrl = 'https://www.gamer520.com';
    const categories = await getCategories(baseUrl);

    const category = ctx.req.param('category') ?? 'all';
    const order = ctx.req.param('order');
    const categoryId = categories.find((c) => c.slug === category)?.id;

    const { data } = (await got(`${baseUrl}/wp-json/wp/v2/posts`, {
        searchParams: {
            categories: categoryId,
            orderby: order,
            per_page: ctx.req.query('limit') ? Number.parseInt(ctx.req.query('limit') as string) : undefined,
        },
    })) as unknown as { data: Post[] };

    const items: DataItem[] = data.map((item) => ({
        guid: `gamer520:${item.id}`,
        title: item.title.rendered,
        link: item.guid.rendered,
        pubDate: parseDate(item.date_gmt),
        updated: parseDate(item.modified_gmt),
        category: item.categories?.map((c) => categories.find((ca) => ca.id === c)?.name ?? '').filter((c) => c !== '') ?? [],

        description: item.content.rendered,
    }));

    return {
        title: '全球游戏交流中心-' + (categories.find((c) => c.slug === category)?.name ?? '所有'),
        link: categories.find((c) => c.slug === category)?.link ?? baseUrl,
        item: items,
    };
}