const db = uniCloud.database();
const _ = db.command;
const jqb_db = uniCloud.databaseForJQL();
module.exports = {
	_before: function() { // 通用预处理器

	},
	async getDetail(query) {
		console.log(query)
		const res = await db.collection("uni-cms-articles").doc(query.id).get();
		return res;

	},
	async isSelectVote(query) {
		try {
			let {
				user_id,
				vote_id
			} = query;
			
			const res = await db.collection("cms-vote")
			.where({
				user_id: user_id,
				vote_id: vote_id
			})
			.count();
			let isSelectVote = false;
			console.log(res.total)
			if (res.total > 0) {
				isSelectVote = true;
			} else {
				isSelectVote = false;
			}
			
			return {
				code: 200,
				isSelectVote: isSelectVote
			}
		} catch(e) {
			return {
				code: 500,
				msg: e.message
			}
		}
	},
	async getInfo(query) {
		try {

			let user_id = query.user_id;
			let article_id = query.article_id;

			let isLike = false;
			let isCollect = false;

			const likeRes = await db.collection("cms-articles-like").where({
					user_id: user_id,
					article_id: article_id
				})
				.count();

			if (likeRes.total > 0) {
				isLike = true;
			}

			const collectRes = await db.collection("cms-articles-collect").where({
					user_id: user_id,
					article_id: article_id
				})
				.count();


			if (collectRes.total > 0) {
				isCollect = true;
			}

			return {
				code: 200,
				isLike: isLike,
				isCollect: isCollect
			}
		} catch (e) {
			console.log(e.message);
			return {
				code: 500,
				msg: e.message
			}
		}
	},
	async get() {
		const res = await db.collection(dbCollectionName).doc("67ba7308bf7490a7f48d3ba3").field(
			"_id,is_admin,user_id,category_id,title,content,excerpt,article_status,is_sticky,is_essence,comment_status,thumbnail,publish_date"
			).get();
		console.log(res);
		return res;
	},
	async getCmsArticleLog(query) {
		try {


			let article_id = query.article_id;
			// cms-articles-log

			// 生成文章日志临时表（过滤 article_id）
			const logTemp = jqb_db.collection("cms-articles-log")
				.where({
					article_id: article_id
				})
				.field('article_id, user_id, first_view_time')
				.getTemp();

			// 生成用户信息临时表（仅返回必要字段）
			const userTemp = jqb_db.collection("uni-id-users")
				.field('_id,avatar_file')
				.getTemp();

			// 联表查询并分页
			const collectRes = await jqb_db.collection(logTemp, userTemp)
				.orderBy('logTemp.first_view_time asc') // 按时间倒序
				.skip(0)
				.limit(21)
				.get();

			return {
				code: 200,
				cmsArticleLog: collectRes.data
			}
		} catch (e) {
			console.log(e.message);
			return {
				code: 500,
				msg: e.message
			}
		}
	}
}