// pages/main/journal-date/index.ts
import config from "../../../config/index";
import { Journal, JournalPageType } from "../../../types/Journal";
import Time from "../../../utils/Time";

interface JournalDateData {
	// 存储每个日期的日记 id 列表
	isLoading: boolean;
	journalMap: Record<string, number[]>;

	popupIds: number[];
	popupVisible: boolean;
}

Page({
	data: <JournalDateData>{
		isLoading: true,
		journalMap: {},

		popupIds: [],
		popupVisible: false,
	},
	async onLoad() {
		await this.loadJournals();
	},
	/** 加载所有日记 */
	async loadJournals() {
		this.setData({ isLoading: true });
		try {
			const list: Journal[] = await new Promise((resolve, reject) => {
				wx.request({
					url: `${config.url}/journal/list`,
					method: "POST",
					header: {
						Key: wx.getStorageSync("key")
					},
					data: {
						page: 0,
						size: 9007199254740992,
						type: JournalPageType.PREVIEW
					},
					success: (resp: any) => {
						if (resp.data.code === 20000) {
							resolve(resp.data.data.list);
						} else {
							reject(new Error(resp.data.message || "加载失败"));
						}
					},
					fail: reject
				});
			}) || [];
			// 按日期分组，只存储 id
			const journalMap: Record<string, number[]> = {};
			list.forEach((journal: any) => {
				const dateKey = Time.toDate(journal.createdAt);
				if (!journalMap[dateKey]) {
					journalMap[dateKey] = [];
				}
				journalMap[dateKey].push(journal.id);
			});
			// 按 id 倒序排序每天的日记
			Object.keys(journalMap).forEach(dateKey => {
				journalMap[dateKey].sort((a, b) => b - a);
			});
			this.setData({
				journalMap,
				isLoading: false
			});
		} catch (err: any) {
			wx.showToast({
				title: err.message || "加载失败",
				icon: "error"
			});
			this.setData({ isLoading: false });
		}
	},
	/** 日期选择事件（来自 calendar 组件） */
	onDateSelect(e: WechatMiniprogram.CustomEvent) {
		const { date } = e.detail;
		const journalIds = this.data.journalMap[date];
		if (!journalIds || journalIds.length === 0) {
			wx.showToast({
				title: "该日期无日记",
				icon: "none"
			});
			return;
		}
		// 调用接口获取详情
		this.loadJournalsByIds(journalIds);
	},
	/** 根据 id 列表加载日记详情 */
	async loadJournalsByIds(ids: number[]) {
		this.setData({
			popupIds: ids,
			popupVisible: true
		});
		wx.hideLoading();
	},
	/** 关闭详情 */
	closeDetail() {
		this.setData({
			popupVisible: false,
			popupIds: []
		});
	}
});