import { defineEventHandler } from 'h3';
import DB from 'better-sqlite3';

export default defineEventHandler(async (event) => {
    const db = new DB('./userData/db/posts.db');

    // 获取所有标签
    const tagsMap = new Map<number, string[]>();
    const tagsRows = db.prepare('SELECT id, tag1, tag2, tag3, tag4, tag5, tag6, tag7, tag8, tag9, tag10, tag11, tag12, tag13, tag14, tag15 FROM tags').all();
    tagsRows.forEach((row: any) => {
        const tags = [];
        for (let i = 1; i <= 15; i++) {
            const tag = row[`tag${i}`];
            if (tag) {
                tags.push(tag);
            }
        }
        tagsMap.set(row.id, tags);
    });

    // 获取所有文章
    const posts = db.prepare('SELECT id, title, summary, type, tag_id, url, date FROM posts').all();

    // 替换tag_id为标签数组
    posts.forEach((post: any) => {
        post.tags = tagsMap.get(post.tag_id) || [];
    });

    db.close();

    return {
        code: 200,
        data: posts.reverse()
    };
});