// pages/main/travel-detail/index.ts

import Time from "../../../utils/Time";
import { TravelApi } from "../../../api/TravelApi";
import { TravelLocationApi } from "../../../api/TravelLocationApi";
import { Travel, TravelStatusLabel, TravelStatusIcon, TransportationTypeLabel, TravelLocation, TravelLocationTypeLabel, TravelLocationTypeIcon } from "../../../types/Travel";

interface TravelDetailData {
	/** 旅行详情 */
	travel: Travel | null;
	/** 旅行 ID */
	travelId: string;
	/** 是否正在加载 */
	isLoading: boolean;
	/** 地点列表 */
	locations: TravelLocation[];
	/** 是否正在加载地点 */
	isLoadingLocations: boolean;
	/** 状态标签映射 */
	statusLabels: typeof TravelStatusLabel;
	/** 状态图标映射 */
	statusIcons: typeof TravelStatusIcon;
	/** 交通类型标签映射 */
	transportLabels: typeof TransportationTypeLabel;
	/** 地点类型标签映射 */
	locationTypeLabels: typeof TravelLocationTypeLabel;
	/** 地点类型图标映射 */
	locationTypeIcons: typeof TravelLocationTypeIcon;
	/** 删除对话框可见性 */
	deleteDialogVisible: boolean;
	/** 删除确认文本 */
	deleteConfirmText: string;
}

Page({
	data: <TravelDetailData>{
		travel: null,
		travelId: "",
		isLoading: true,
		locations: [],
		isLoadingLocations: false,
		statusLabels: TravelStatusLabel,
		statusIcons: TravelStatusIcon,
		transportLabels: TransportationTypeLabel,
		locationTypeLabels: TravelLocationTypeLabel,
		locationTypeIcons: TravelLocationTypeIcon,
		deleteDialogVisible: false,
		deleteConfirmText: ""
	},

	onLoad(options: any) {
		const { id } = options;
		if (id) {
			this.setData({ travelId: id });
			this.fetchDetail(id);
		} else {
			wx.showToast({
				title: "参数错误",
				icon: "error"
			});
			setTimeout(() => {
				wx.navigateBack();
			}, 1500);
		}
	},

	onShow() {
		// 页面显示时刷新地点列表（从编辑页返回时）
		if (this.data.travelId && !this.data.isLoading) {
			this.fetchLocations(this.data.travelId);
		}
	},

	/** 获取旅行详情 */
	async fetchDetail(id: string) {
		this.setData({ isLoading: true });

		try {
			const travel = await TravelApi.getDetail(id);

			// 格式化数据
			if (travel.travelAt) {
				travel.travelDate = Time.toDate(travel.travelAt);
				travel.travelTime = Time.toTime(travel.travelAt);
			}
			this.setData({ travel });

			// 获取地点列表
			this.fetchLocations(id);
		} catch (error) {
			console.error("获取旅行详情失败:", error);
			wx.showToast({
				title: "加载失败",
				icon: "error"
			});
			setTimeout(() => {
				wx.navigateBack();
			}, 1500);
		} finally {
			this.setData({ isLoading: false });
		}
	},

	/** 获取地点列表 */
	async fetchLocations(travelId: string) {
		this.setData({ isLoadingLocations: true });

		try {
			const result = await TravelLocationApi.getList({
				index: 0,
				size: 100,
				equalsExample: {
					travelId: Number(travelId)
				}
			});

			this.setData({ locations: result.list });
		} catch (error) {
			console.error("获取地点列表失败:", error);
		} finally {
			this.setData({ isLoadingLocations: false });
		}
	},

	/** 编辑旅行 */
	toEdit() {
		const { travel } = this.data;
		if (travel && travel.id) {
			wx.navigateTo({
				url: `/pages/main/travel-editor/index?id=${travel.id}`
			});
		}
	},

	/** 新增地点 */
	toAddLocation() {
		const { travel } = this.data;
		if (travel && travel.id) {
			wx.navigateTo({
				url: `/pages/main/travel-location-editor/index?travelId=${travel.id}`
			});
		}
	},

	/** 查看地点详情 */
	toLocationDetail(e: WechatMiniprogram.BaseEvent) {
		const { id } = e.currentTarget.dataset;
		const { travel } = this.data;
		if (id && travel && travel.id) {
			wx.navigateTo({
				url: `/pages/main/travel-location-detail/index?id=${id}&travelId=${travel.id}`
			});
		}
	},

	/** 跳转地图 */
	toMap() {
		const { travel } = this.data;
		if (travel && travel.id) {
			wx.navigateTo({
				url: `/pages/main/travel-location-map/index?travelId=${travel.id}`
			});
		}
	},

	/** 删除旅行 */
	deleteTravel() {
		this.setData({
			deleteDialogVisible: true,
			deleteConfirmText: ""
		});
	},

	/** 取消删除 */
	cancelDelete() {
		this.setData({
			deleteDialogVisible: false,
			deleteConfirmText: ""
		});
	},

	/** 确认删除 */
	confirmDelete() {
		const inputText = this.data.deleteConfirmText.trim();
		if (inputText !== "确认删除") {
			wx.showToast({
				title: "输入不匹配",
				icon: "error"
			});
			return;
		}
		this.setData({
			deleteDialogVisible: false
		});
		this.executeDelete();
	},

	/** 执行删除 */
	async executeDelete() {
		if (!this.data.travel || !this.data.travel.id) return;

		wx.showLoading({ title: "删除中...", mask: true });

		try {
			await TravelApi.delete(this.data.travel.id);
			wx.showToast({
				title: "删除成功",
				icon: "success"
			});
			setTimeout(() => {
				wx.navigateBack();
			}, 1500);
		} catch (error) {
			// 错误已由 Network 类处理
		} finally {
			wx.hideLoading();
		}
	},

	/** 返回 */
	goBack() {
		wx.navigateBack();
	}
});