var app = getApp();
var api = require('../config/api.js');

function formatTime(date) {
	var year = date.getFullYear();
	var month = date.getMonth() + 1;
	var day = date.getDate();
	var hour = date.getHours();
	var minute = date.getMinutes();
	var second = date.getSeconds();
	return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':');
}

function formetdate(date) {
	var year = date.getFullYear();
	var month = date.getMonth() + 1;
	var day = date.getDate();
	return [year, month, day].map(formatNumber).join('-');
}

function formatNumber(n) {
	n = n.toString();
	return n[1] ? n : '0' + n;
}

function formatDates(dates) {
		// 将日期字符串分割为年、月、日
		const [year, month, day] = dates.split('-');
		// 返回格式化后的日期字符串，不包含年份
	return	bookdate = `${month}-${day}`

}
/**
 * 封封微信的的request
 */
function request(url, data = {}, method = 'GET') {
	return new Promise(function(resolve, reject) {
		uni.request({
			url: url,
			data: data,
			method: method,
			header: {
				'Content-Type': 'application/json',
				'X-DOUYIN-Token': uni.getStorageSync('token'),
				'app-id': api.appid
			},
			success: function(res) {
				if (res.statusCode == 200) {
					if (res.data.errno == 501) {
						// 清除登录相关内容
						try {
							uni.removeStorageSync('userInfo');
							uni.removeStorageSync('token');
							uni.removeStorageSync('openId');
						} catch (e) {
							console.log('CatchClause', e);
							console.log('CatchClause', e);
						} // Do something when catch error
						// 切换到登录页面
						uni.navigateTo({
							url: '/pages/auth/login/login'
						});
					} else {
						resolve(res.data);
					}
				} else {
					reject(res.errMsg);
				}
			},
			fail: function(err) {
				reject(err);
			}
		});
	});
}

function redirect(url) {
	//判断页面是否需要登录

	uni.redirectTo({
		url: url
	});
}

function showErrorToast(msg) {
	uni.showToast({
		title: msg,
		image: '/static/images/icon_error.png'
	});
}

function formatweek(date) {
	let week = date.getDay();
	let weekArr = '';
	switch (week) {
		case 1:
			weekArr = '周一';
			break;
		case 2:
			weekArr = '周二';
			break;
		case 3:
			weekArr = '周三';
			break;
		case 4:
			weekArr = '周四';
			break;
		case 5:
			weekArr = '周五';
			break;
		case 6:
			weekArr = '周六';
			break;
		case 0:
			weekArr = '周日';
			break;
	}
	return weekArr;
}

function getDateList(date, interval, length) {
	let dateList = [];
	let len = length ? length : 7;
	for (let i = 0; i < len; i++) {
		let datestamp = new Date(date.getTime() + i * 60 * 60 * 1000 * 24 * interval);
		let dateItem = {
			week: formatweek(datestamp),
			date: formetdate(datestamp),
			id: new Date(datestamp).getDay(),
			isBook: true,
			//是否可约
			name: i == 0 ? '今天' : i == 1 ? '明天' : '',
			mark: '' //标注是否不可约的原因之类的
		};
		//如果当前时间+4大于18点 不返回当日可约时间
		if (new Date().getHours() >= 14 && i == 0) {
			continue;
		}
		dateList.push(dateItem);
	}
	return dateList;
}

function dateDifference(end) {
	// //比较2个日期
	// console.log(start + ",," + end);
	// var stime = new Date(start).getTime();
	var stime = new Date().getTime();
	console.log(end.replace(/-/g, '/'));
	var etime = new Date(end.replace(/-/g, '/')).getTime();
	var usedTime = etime - stime; //两个时间戳相差的毫秒数

	var days = Math.floor(usedTime / 86400000);
	//计算出小时数
	var leave1 = usedTime % 86400000; //计算天数后剩余的毫秒数
	var hours = Math.floor(leave1 / 3600000);
	//计算相差分钟数
	var leave2 = leave1 % 3600000; //计算小时数后剩余的毫秒数
	var minutes = Math.floor(leave2 / 60000);
	if (days == 0 && hours == 0) {
		return minutes + '分钟';
	}
	if (days == 0) {
		return hours + '时' + minutes + '分钟';
	}
	var time = days + '天' + hours + '时' + minutes + '分钟';
	// var time = days;
	return time;
}

function getBeginTimeList(time, type, dateName) {
	let timeList = [];
	if (time && time != null) {
		let startTime = 8;
		let endTime = '';
		if (type == 1) {
			startTime = 8;
			endTime = 21 - time > 12 ? 12 : 21 - time;
		} else {
			startTime = 12;
			endTime = 21 - time > 12 ? 21 - time : 12;
		}

		//控制当天的日期返回：当天可约时间 不能小于12点或当前时间+4小时 过14点 今日全天不可约
		if (dateName == '今天') {
			let date = new Date();
			let hour = date.getHours() + 4;
			if (date.getMinutes() > 30) {
				hour = hour + 1;
			}
			startTime = hour;
			if (hour > 18 || type == 1) {
				return [];
			} else if (hour < 12 && type == 2) {
				startTime = 12;
			}
		}

		//如果是今天20点后 预约明天 也是不可以约12点前
		if (dateName == '明天') {
			let date = new Date();
			if (date.getHours() >= 20 && type == 1) {
				return [];
			}
		}
		for (let i = startTime; i <= endTime; i++) {
			if (type == 2 && i == 12) {
				let halfTime = i < 10 ? '0' + i + ':30' : i + ':30';
				timeList.push({
					time: halfTime,
					value: i + 0.5
				});
			} else if (i < endTime) {
				let intTime = i < 10 ? '0' + i + ':00' : i + ':00';
				let halfTime = i < 10 ? '0' + i + ':30' : i + ':30';
				timeList.push({
					time: intTime,
					value: i
				});
				timeList.push({
					time: halfTime,
					value: i + 0.5
				});
			} else {
				let intTime = i < 10 ? '0' + i + ':00' : i + ':00';
				timeList.push({
					time: intTime
				});
			}
		}
	}
	return timeList;
}

function creadUuid() {
	var s = [];
	var hexDigits = "0123456789abcdef";
	for (var i = 0; i < 36; i++) {
		s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
	}

	s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
	s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
	s[8] = s[13] = s[18] = s[23] = "-";

	let uuid = s.join("");
	return uuid;
};

//
function addLog(inorout, pageId, eventId, parms) {
	var pages = getCurrentPages();
	var prePageUrl = "";
	if (pages.length >= 2) {
		var prevPage = pages[pages.length - 2]; //取上个页面
		prePageUrl = prevPage.route; //上个页面路径
	}

	var app = getApp();
	let userInfo = uni.getStorageSync('userInfo');
	request(api.addLog, {
		"uunid": app.globalData.uuid,
		"userOpenid": app.globalData.openId,
		"userId": userInfo.id ? userInfo.id : null,
		"inorout": inorout ? inorout : 1,
		"pageId": pageId,
		"prePageUrl": prePageUrl,
		"eventId": eventId,
		"parms": parms ? JSON.stringify(parms) : null,
		// #ifdef MP-TOUTIAO
		"ofSys": 1,
		// #endif
		// #ifdef MP-ALIPAY
		"ofSys": 3,
		//#endif


	}, 'POST').then((res) => {
		if (res.errno === 0) {
			console.log('addLog' + res);
		}
	})
}


function getNextSevenDaysFromToday() {
  const today = new Date(); // 获取今天的日期
  const dayOfMonth = today.getDate(); // 获取今天的“日”部分
  const month = today.getMonth(); // 获取今天的“月”部分
  const year = today.getFullYear(); // 获取今年的年份

  // 判断是否需要跨年
  const isLeapYear = (year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0);
  const daysInMonth = month === 1 ? (isLeapYear ? 29 : 28) : (month + 1) % 12 === 0 ? 31 : 30;

  let nextDays = [];
  for (let i = 1; i <= 7; i++) {
    const nextDay = new Date(year, month, dayOfMonth + i);
    nextDays.push(nextDay.getDate());
  }

  // 移除今天
  nextDays = nextDays.filter(day => day !== dayOfMonth);

  return nextDays;
}

// 用于存储之前改变的两个元素的索引
			let changedIndexes = [];

			// 函数用于随机改变两个元素的 dateType 值，并恢复上一次改变的元素
			function changeRandomTwoElementsDateType(array) {
				const indexes = array.map((_, index) => index);
				let randomIndexes;

				// 如果之前有改变的元素，先恢复它们
				if (changedIndexes.length === 2) {
					array[changedIndexes[0]].dateType = 0;
					array[changedIndexes[1]].dateType = 0;
					changedIndexes = []; // 清空上一次的索引
				}

				// 随机选择两个不重复的索引
				randomIndexes = [];
				while (randomIndexes.length < 2) {
					const index = indexes[Math.floor(Math.random() * indexes.length)];
					if (!randomIndexes.includes(index)) {
						randomIndexes.push(index);
					}
				}

				// 改变这两个元素的 dateType 值并保存索引
				changedIndexes = randomIndexes;
				array[changedIndexes[0]].dateType = 1;
				array[changedIndexes[1]].dateType = 1;
				return array;
			}

module.exports = {
	changeRandomTwoElementsDateType,
	getNextSevenDaysFromToday,
	formatTime,
	formetdate,
	request,
	redirect,
	showErrorToast,
	formatweek,
	getDateList,
	dateDifference,
	getBeginTimeList,
	creadUuid,
	addLog,
	formatDates
};