// pack-activity/pack/buyFreeCoupon.js
import util from '../../utils/util';
import App from '../../utils/api';
Page({
    /**
     * 页面的初始数据
     */
    data: {
        options: {},
        available: '1', //输入金额够优惠券最低消费1  不够0
        couponArr: [], //所有券列表
        dataStr: Date.now() * 1 / 1000,
        discountPrice: '', //优惠价格
        actualPrice: '', //实付价格
    },
    couponModal: '',
    monidata: [{
        desc: "0", //优惠条件
        price: "6", //优惠金额
        showCpupon: '1', //是否可选
        checked: true, //是否勾选
        activity_id: "566",
        aid: "948",
        aname: "新测试一下",
        cdate: "1739429461", //领取日期
        arule: {
            commission: "1",
            is_accumulation: "1",
            is_appointment: "1",
            is_commission: "1",
            is_compartment: "1",
            is_eatin: "1",
            is_same_day: "1", //领取当日是否可用
            is_share_have: "1",
            is_share_lose: "1",
            is_takeout: "1",
        },
        etime: "1739635199",
        exp_date: '{"week_show":"无","week_data":[{"id":null,"title":"周日","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周一","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周二","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周三","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周四","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周五","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"周六","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false},{"id":null,"title":"法定假日","select":false,"roleName":null,"phone":null,"account":null,"selectMor":false,"selectNoon":false,"selectNig":false}]}',
        explain: "",
        grant_last: "93",
        grant_num: "100",
        id: "948",
        is_examine: "1",
        is_open: "1",
        is_type: "3",
        lite_qrcode: "https://xt04.colorcun.com/activity/LiteQRcode/activity_948.jpeg",
        map_address: "陕西省西安市沣惠南路36号",
        openid: "oB-xJ5NGdgXHM0Pdsq2kAf7z-n9k",
        phone: "15715807436",
        seller_image: "http://libpc.colorcun.com/20241118173230_b2dbe5ec7ca79a64bf7eea6f0cab3dca",
        seller_tel: "010-6257270,15236523652336",
        sellerid: "4352",
        sellername: "长安大排档总店",
        status: "1",
        stime: "1739289600",
        uid: "7035",
        uid_list: null,
        urllink: "https://wxaurl.cn/m7EcFm28Kfr",
    }],
    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {
        this.couponModal = this.selectComponent("#couponModal");
        // this.couponModal.showModal()
        this.setData({
            ...options
        })
        if (options.sid) {
            this.getSellerDetail(options.sid)
        }
    },
    // 打开优惠券弹框
    showCouponModal() {
        this.couponModal.showModal()
    },
    // 关闭优惠券弹框
    closeCouponModal() {
        this.couponModal.closeModal()
    },
    // 获取店铺名称
    getSellerDetail(sid) {
        App.Customer.GetSellerDetail({
            sid
        }).then(res => {
            let data = res.data;
            this.setData({
                seller: {
                    seller_image: data.seller_image,
                    sellername: data.sellername

                }
            })
            this.getCoupon()
        })
    },
    // 获取所有优惠券列表
    getCoupon() {
        App.Activity.ActivityListByOpenid().then(res => {
            if (res.ret == 200 && res.data && res.data.length > 0) {
                let list = res.data.filter(item => {
                    return this.data.dataStr < (item.etime * 1) && item.is_open == '1'
                })
                list.forEach(detail => {
                    detail.stringifyUse = detail.use ? JSON.stringify(detail.use) : '';
                    detail.exp_date = detail.exp_date ? util.determine(detail.exp_date) : '';
                    detail.arule = detail.arule ? util.determine(detail.arule) : '';
                    if (detail.arule) {
                        detail.accumulationShow = detail.arule.is_accumulation
                    }
                    if (detail.exp_date && detail.exp_date.week_data) {
                        let noon = this.hasConsecutiveSelect(detail.exp_date.week_data, '1').rArr.join('、')
                        let nig = this.hasConsecutiveSelect(detail.exp_date.week_data, '2').rArr.join('、')
                        if (noon) noon = '午餐：' + noon
                        if (nig) nig = '晚餐：' + nig
                        detail.noonText = noon;
                        detail.nigText = nig;
                    }
                    detail.checked = false;
                    detail.showCpupon = '0';
                    detail.cdateText = util.unixtoTime(detail.cdate, 'YYYY-MM-DD')
                    detail.endDateStr = util.unixtoTime(detail.stime, 'YYYY-MM-DD') + '至' + util.unixtoTime(detail.etime, 'YYYY-MM-DD')
                })
                list.sort((a, b) => {
                    return (a.etime * 1) - (b.etime * 1)
                })
                let couponArr = list
                this.setData({
                    couponArr
                })
            }
        })
    },
    // 勾选券
    checkboxChange(e) {
        console.log('checkbox发生change事件，携带value值为：', e.detail.value)
        const list = this.data.couponArr
        const values = e.detail.value
        for (let i = 0, lenI = list.length; i < lenI; ++i) {
            list[i].checked = false
            for (let j = 0, lenJ = values.length; j < lenJ; ++j) {
                if (list[i].activity_id === values[j]) {
                    list[i].checked = true
                    break
                }
            }
        }
        this.setData({
            couponArr: list
        })
    },
    // 输入金额
    bindKeyInput(e) {
        console.log('输入金额，bindchange携带value值为：', e.detail.value);
        let list = this.data.couponArr;
        // 所有的券重置
        list.forEach(i => {
            i.checked = false;
            i.showCpupon = '0'
        })
        this.setData({
            inputValue: e.detail.value,
            couponArr: list
        })

        this.colationData()
    },
    // 点确认选择
    checkCertificate() {
        this.closeCouponModal()
        let list = this.data.couponArr;
        list = list.filter(i => {
            return i.checked
        })
        let price = 0;
        list.forEach(i => {
            price += i.price * 1
        })
        console.log('优惠金额----', price);
        let val = this.data.inputValue * 1;
        let actualPrice = val - price.toFixed(2)
        this.setData({
            discountPrice: price,
            actualPrice: actualPrice > 0 ? actualPrice : 0.1,
        })
        console.log('点确认选择后', list);
    },
    // 处理显示券可用、不可用的列表
    async colationData() {
        let list = this.data.couponArr;
        // list = list
        list = await this.filterCoupons(list);
        list = await this.findBestCoupons(list);
        console.log('eeeeeeeeeeee', list);
        list.sort((a, b) => b.showCpupon - a.showCpupon);
        // list.filter(i=>{return i.aexpiration!='0' && i.aexpiration>0})
        this.setData({
            couponArr: list
        })
    },
    filterCoupons(list) {
        console.log(1111111, list);
        // const currentTime = Math.floor(Date.now() / 1000); // 获取当前时间的 Unix 时间戳（秒）
        // const today = new Date(); // 获取今天的日期
        // today.setHours(0, 0, 0, 0); // 将时间设为今天的开始时间
        // const todayTimestamp = Math.floor(today.getTime() / 1000); // 获取今天的开始时间戳

        // return list.filter(coupon => {
        //     const couponCDate = parseInt(coupon.cdate); // 领取日期
        //     const validDays = parseInt(coupon.aexpiration); // 有效天数
        //     const isSameDay = parseInt(coupon.arule.is_same_day); // 领取当日是否可用

        //     // 计算有效期结束时间
        //     const couponExpirationDate = couponCDate + validDays * 24 * 60 * 60; // 有效期结束时间戳
        //     // 筛选条件
        //     const isWithinValidity = todayTimestamp >= couponCDate && todayTimestamp <= couponExpirationDate;
        //     return (
        //         (todayTimestamp > couponCDate && isWithinValidity) || // 今天不是领取当日，但在有效天数内
        //         (todayTimestamp === couponCDate && isSameDay === 1 && validDays >= 1) // 今天是领取当日且可用
        //     );
        // });


        // const currentTime = Math.floor(Date.now() / 1000); // 获取当前时间的 Unix 时间戳（秒）
        // const today = new Date(); // 获取今天的日期
        // today.setHours(0, 0, 0, 0); // 将时间设为今天的开始时间
        // const todayTimestamp = Math.floor(today.getTime() / 1000); // 获取今天的开始时间戳

        // list.forEach(coupon => {
        //     const couponCDate = parseInt(coupon.cdate); // 领取日期
        //     const validDays = parseInt(coupon.aexpiration); // 有效天数
        //     const isSameDay = parseInt(coupon.arule.is_same_day); // 领取当日是否可用
        //     // const couponExpirationDate = couponCDate + validDays * 24 * 60 * 60; // 有效期结束时间戳

        //     let date = new Date(couponCDate * 1000);
        //     date.setDate(date.getDate() + validDays);
        //     date.setHours(23, 59, 59, 0);
        //     let couponExpirationDate = Math.floor(date.getTime() / 1000);
        //         // 今天的开始时间戳 <= 领取日期
        //     const isWithinValidity = (todayTimestamp <= couponCDate) && (todayTimestamp <= couponExpirationDate);
        //     console.log('领取日期---',couponCDate);
        //     console.log('有效天数---',validDays);
        //     console.log('领取当日是否可用---',isSameDay);
        //     console.log('有效期结束时间戳---',couponExpirationDate);
        //     console.log('isWithinValidity---',isWithinValidity);
        //     console.log('获取今天的开始时间戳---',todayTimestamp);
        //     console.log('wwwwwwwwwww---',(todayTimestamp >= couponCDate));
        //     console.log('ggggggggggg---',(todayTimestamp <= couponExpirationDate));
        //     // 今天不是领取当日，但在有效天数内 || 今天是领取当日且可用
        //     if ((todayTimestamp > couponCDate && isWithinValidity) || (todayTimestamp === couponCDate && isSameDay === 1 && validDays >= 1)) {
        //         coupon.aa = '1';
        //         console.log('可用',coupon.aname);
        //     } else {
        //         coupon.aa = '0'; 
        //         console.log('不可用',coupon.aname);
        //     }
        // });


        const currentTime = Math.floor(Date.now() / 1000); // 获取当前时间的 Unix 时间戳（秒）

        // 获取今天的开始时间和结束时间
        const today = new Date();
        today.setHours(0, 0, 0, 0); // 设置为今天的开始时间
        const todayStartTimestamp = Math.floor(today.getTime() / 1000); // 今天的开始时间戳

        today.setHours(23, 59, 59); // 设置为今天的结束时间
        const todayEndTimestamp = Math.floor(today.getTime() / 1000); // 今天的结束时间戳

        list.forEach(coupon => {
            const couponCDate = parseInt(coupon.cdate); // 领取日期
            const validDays = parseInt(coupon.aexpiration); // 有效天数
            const isSameDay = parseInt(coupon.arule.is_same_day); // 领取当日是否可用

            // 计算有效期结束时间
            const couponExpirationDate = couponCDate + validDays * 24 * 60 * 60; // 有效期结束时间戳

            // 判断条件
            const isWithinValidity = todayStartTimestamp > couponCDate && todayEndTimestamp < couponExpirationDate;

            if (
                (todayStartTimestamp > couponCDate && isWithinValidity) || // 今天不是领取当日，但在有效天数内
                (todayStartTimestamp === couponCDate && isSameDay === 1 && validDays >= 1) // 今天是领取当日且可用
            ) {
                coupon.aa = '1'; // 符合条件，设置为可选
            } else {
                coupon.aa = '0'; // 不符合条件，设置为不可选
            }
        });








        console.log('1111', list);
        return list
    },
    // (消费要求为无门槛 或者 小于输入金额的) && 勾选最优的
    findBestCoupons(arr) {
        console.log(333333333);
        let inputValue = this.data.inputValue;
        const amount = parseFloat(inputValue); // 将输入金额转换为数字
        const validCoupons = arr.filter(coupon => (coupon.aa == '1' && parseFloat(coupon.desc) <= amount)); // 筛选符合条件的优惠券
        console.log('validCouponsvalidCoupons', validCoupons);
        let bestDiscount = 0;
        let bestCoupons = [];

        // 按到期时间排序，确保优先选择最早到期的券
        validCoupons.sort((a, b) => parseInt(a.etime) - parseInt(b.etime));

        // 使用递归函数来查找所有组合
        function findBestCombination(currentCoupons, currentDiscount, remainingCoupons) {
            const totalDiscount = currentDiscount;
            const finalPrice = amount - totalDiscount;
            // 检查当前组合是否是最佳组合且实付价格不小于0
            if (finalPrice >= 0 && totalDiscount > bestDiscount) {
                bestDiscount = totalDiscount;
                bestCoupons = currentCoupons.slice(); // 复制当前组合
            }

            // 遍历剩余的优惠券
            for (let i = 0; i < remainingCoupons.length; i++) {
                const nextCoupon = remainingCoupons[i];
                currentCoupons.push(nextCoupon); // 选择当前优惠券
                findBestCombination(currentCoupons, currentDiscount + parseFloat(nextCoupon.price), remainingCoupons.slice(i + 1)); // 递归查找
                currentCoupons.pop(); // 回溯
            }
        }

        findBestCombination([], 0, validCoupons);


        let totalDiscountPrice = 0;
        // 更新选中的优惠券
        bestCoupons.forEach(coupon => {
            console.log('选中的券', {
                ...coupon
            });
            coupon.showCpupon = '1';
            coupon.checked = true;
            totalDiscountPrice += parseFloat(coupon.price); // 使用 parseFloat 确保类型正确
        });

        console.log('总优惠金额:', totalDiscountPrice);
        let actualPrice = (amount - totalDiscountPrice).toFixed(2);
        console.log('实际支付金额:', actualPrice);

        this.setData({
            discountPrice: totalDiscountPrice,
            actualPrice: actualPrice > 0 ? actualPrice : '0.1', // 确保实际支付金额不小于0.01
        });

        return arr; // 返回更新后的数组
    },
    // 处理优惠券不可用日期数据
    hasConsecutiveSelect(arr, type) {
        let firstTitle = null;
        let lastTitle = null;
        let rArr = []
        let num = 0
        for (let i = 0; i < arr.length; i++) {
            let str = type == '1' ? arr[i].selectNoon : arr[i].selectNig
            if (str) {
                rArr.push(arr[i].title)
                num++
                if (num == 1) {
                    firstTitle = arr[i].title
                }
                if (num >= 5) {
                    lastTitle = arr[i].title
                }
                if (num >= 5 && i >= (arr.length - 1)) {
                    let fi = rArr.findIndex((item) => {
                        return item == firstTitle
                    })
                    rArr.splice(fi, num, firstTitle + '至' + lastTitle)
                    num = 0
                }
            } else {
                if (num < 5) {
                    num = 0
                    firstTitle = null;
                    lastTitle = null;
                } else {
                    let fi = rArr.findIndex((item) => {
                        return item == firstTitle
                    })
                    rArr.splice(fi, num, firstTitle + '至' + lastTitle)
                    num = 0
                }
            }
        }
        return {
            rArr,
            lastTitle,
            firstTitle
        };
    },
    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady() {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow() {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide() {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload() {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh() {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom() {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage() {

    }
})