/**
 * 订单列表业务逻辑
 */
import { reactive, ref, watch, nextTick, onMounted } from "vue";
import { request } from "@/utils/network/request.js";
import { stringToJson } from "@/utils/network/encryption";
import { onLoad, onUnload, onReachBottom, onPullDownRefresh } from "@dcloudio/uni-app";
import { getItem, StorageKeys } from "@/utils/storage";
import { hasLogin, msg } from "@/utils/utils";
import { orderList } from "@/utils/network/api";
import { PageData } from "@/datas/enum";

export default function useOrderListItem(props) {
	//搜索关键字
	const searchKeyWords = ref('');

	//订单列表数据
	const ordersList = ref([]);

	const config = {
		emptyHint: {
			hint: '~ 暂无订单数据 ~',
			icon: '',
			mode: 'order'
		},
		contentTxt: {
			contentdown: '~上拉加载更多~',
			contentrefresh: '努力加载中...',
			contentnomore: '-- 我是有底线的 --'
		}
	}

	//请求参数
	const params = reactive({
		pageNum: PageData.NUM,
		pageSize: PageData.SIZE,
		total: 0,
		status: 'more',
		reload: false,
	})

	//搜索
	const doSearch = () => {
		if (!searchKeyWords.value) {
			msg('请输入需要搜索的车牌号！');
			return;
		}
		refreshList(true);
	}

	//订单车牌号输入
	const onKeyInput = (event) => {
		searchKeyWords.value = event.target.value;
		if (searchKeyWords.value == '') {
			refreshList(true);
		}
	}

	/* 刷新列表 */
	const refreshList = (isLoading) => {
		params.pageNum = 1;
		params.total = 0;
		params.status = 'more';
		params.reload = false;
		getList();
	}

	/* 加载更多 */
	const loadMore = () => {
		if (params.total > ordersList.value.length) {
			params.status = 'loading';
			params.pageNum++;
			getList();
		} else {
			params.status = 'noMore';
		}
	}

	/* 获取列表数据 */
	const getList = async (isLoading = true) => {
		if (!hasLogin()) {
			uni.stopPullDownRefresh();
			uni.$emit('refreshFinish');
			return;
		}

		let res: any = null;
		const options = {
			type: 2,
			data: {
				"opId": getItem(StorageKeys.OpenId),
				"source": "WECHAT",
				"vehiclePlate": searchKeyWords.value,
				"tabIndex": props.index + '',
				"pageNo": params.pageNum,
				"pageSize": params.pageSize
			},
			method: 'POST',
			// showLoading: isLoading ? (params.pageNum === 1 ? true : false) : false ,
		}

		try {
			res = await request(orderList, options);
			const data = stringToJson(res.bizContent);
			console.log("aaa", data)
			params.total = data.totalCount;

			if (params.pageNum === 1) {
				ordersList.value = [];
			}
			if (params.total > 0) {
				const curList = data.data || [];
				ordersList.value = params.reload ? curList : ordersList.value.concat(curList);
				params.reload = false;
			}

			if (params.total === ordersList.value.length) {
				params.reload = false;
				params.status = 'noMore';
			}

			if (params.pageNum === 1) {
				uni.stopPullDownRefresh();
			}
			uni.$emit('refreshFinish');
		} catch (e) {
			uni.stopPullDownRefresh();
			uni.$emit('refreshFinish');
		}
	}

	watch(() => props.index, () => {
		refreshList(true);
	});
	watch(() => props.refresh, (nv) => {
		if (nv) {
			refreshList(false);
		}
	});
	onMounted(() => {
		if (props.refresh) {
			refreshList(false);
		}
	})
	onPullDownRefresh(() => {
		refreshList(true);
	});

	onReachBottom(() => {
		loadMore();
	});

	return {
		config,
		params,
		ordersList,
		doSearch,
		onKeyInput
	};
}