package bidding

import (
	"fmt"
	"git.rosy.net.cn/baseapi/platformapi/mtwmapi"
	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/globals"
	"git.rosy.net.cn/jx-callback/globals/api"
	"sort"
	"strconv"
	"strings"
	"time"
)

// GetStatisticsList 京西数据查询
func GetStatisticsList(start, end time.Time, storeIds []int, offset, pageSize int) (*model.PagedInfo, error) {
	return dao.GetStatistics(dao.GetDB(), start, end, storeIds, offset, pageSize)
}

// GetMTInfo 更新美团门店信息
func GetMTInfo() []error {
	var db = dao.GetDB()
	var errList = make([]error, 0, 0)
	// 获取当前一月有效订单的门店信息
	effectiveStores, err := dao.StoreInformationStatistics(db)
	if err != nil {
		return append(errList, err)
	}

	var mtApi *mtwmapi.API
	for _, v := range effectiveStores {
		if v.VendorOrgCode == globals.Mtwm2Code {
			mtApi = api.Mtwm2API
			mtApi.SetToken(v.MtwmToken)
		} else {
			mtApi = api.MtwmAPI
		}

		statistics := &model.ActivityStation{
			StoreID:       v.JxStoreID,
			VendorID:      model.VendorIDMTWM,
			VendorStoreID: v.VendorStoreID,
			BrandID:       v.VendorOrgCode,
			//Activity1:     0,
			//Activity2:     0,
			//Activity:      0,
			//StoreSkuNum:   0,
			//StoreRating:   0,
			//DeliveryFee: "",
			//DeliveryFee2: "",
			PromotionFee: "暂无法获取",
			//BusinessHours: "",
		}
		dao.WrapAddIDCULEntity(statistics, "system")
		down, up := getActivityCount(mtApi, v.VendorStoreID)
		statistics.Activity1 = int64(down)
		statistics.Activity2 = int64(up)
		statistics.Activity = int64(down + up)
		score, err := mtApi.CommentScore(v.VendorStoreID)
		if err != nil {
			errList = append(errList, fmt.Errorf("%s获取评分错误:%s", v.VendorStoreID, err.Error()))
		}
		if score != nil {
			statistics.StoreRating = score.AvgPoiScore
		} else {
			statistics.StoreRating = 0
		}

		// 获取门店营业时长
		detail, _ := mtApi.PoiMGet([]string{v.VendorStoreID})
		if detail != nil {
			statistics.BusinessHours, err = getStoreShippingTime(detail[0].ShippingTime)
			if err != nil {
				errList = append(errList, fmt.Errorf("%s获取营业时长错误:%s", v.VendorStoreID, err.Error()))
				statistics.BusinessHours = err.Error()
			}
			statistics.DeliveryFee2 = utils.Float64ToStr(detail[0].ShippingFee)
		}
		// 获取门店起送价
		result, err := mtApi.ShippingList(v.VendorStoreID)
		if err != nil {
			errList = append(errList, fmt.Errorf("%s获取起送价错误:%s", v.VendorStoreID, err.Error()))
			statistics.DeliveryFee = err.Error()
		}
		shippingList := make([]ShippingList, 0, 0)
		for _, v2 := range result {
			shippingList = append(shippingList, ShippingList{
				TimeRange:   utils.Interface2String(v2["time_range"]),
				MinPrice:    utils.MustInterface2Float64(v2["min_price"]),
				ShippingFee: utils.MustInterface2Float64(v2["shipping_fee"]),
			})
		}
		statistics.DeliveryFee = utils.Format4Output(shippingList, false)

		dao.CreateEntity(db, statistics)
	}

	return errList
}

// 获取门店折扣活动商品数量
func getActivityCount(api *mtwmapi.API, vendorStoreId string) (int, int) {
	threefoldDown := 0 // 0-3 折活动数量
	threefoldUp := 0   // 3.01-9 折活动
	// 获取美团活动
	directList, _ := api.RetailDiscountList(vendorStoreId, mtwmapi.RetailActTypeDirectDown) // 折扣活动
	for _, v := range directList {
		if v.ActPrice/v.OriginalPrice >= 3.01 {
			threefoldUp++
		} else {
			threefoldDown++
		}
	}
	secKillList, _ := api.RetailDiscountList(vendorStoreId, mtwmapi.RetailActTypeSecKill) // 爆品活动
	if secKillList != nil {
		threefoldDown = threefoldDown + len(secKillList)
	}

	return threefoldDown, threefoldUp
}

func getStoreShippingTime(storeTime string) (string, error) {
	time2 := strings.Split(storeTime, ";")
	aa := int(time.Now().Weekday())
	if aa == 0 {
		aa = 7
	}
	if len(time2) == 1 {
		aa = 1
	}
	intervals, err := parseIntervals(time2[aa-1])
	if err != nil {
		fmt.Printf("解析错误: %v\n", err)
		return "", err
	}

	merged := mergeIntervals(intervals)

	totalMinutes := 0
	for _, iv := range merged {
		totalMinutes += iv.end - iv.start
	}
	return fmt.Sprintf("%.2f", float64(totalMinutes)/float64(60)), err
}

// timeToMinutes 将 "HH:MM" 转为当天第几分钟（0 ~ 1439）
func timeToMinutes(t string) (int, error) {
	parts := strings.Split(t, ":")
	if len(parts) != 2 {
		return 0, fmt.Errorf("invalid time format: %s", t)
	}
	h, err := strconv.Atoi(parts[0])
	if err != nil || h < 0 || h > 23 {
		return 0, fmt.Errorf("invalid hour in %s", t)
	}
	m, err := strconv.Atoi(parts[1])
	if err != nil || m < 0 || m > 59 {
		return 0, fmt.Errorf("invalid minute in %s", t)
	}
	return h*60 + m, nil
}

// parseIntervals 解析 "00:00-01:00,01:05-23:59" → []interval
type interval struct {
	start, end int // minutes since 00:00
}

func parseIntervals(s string) ([]interval, error) {
	var intervals []interval
	for _, seg := range strings.Split(s, ",") {
		seg = strings.TrimSpace(seg)
		if seg == "" {
			continue
		}
		parts := strings.Split(seg, "-")
		if len(parts) != 2 {
			return nil, fmt.Errorf("invalid interval format: %s", seg)
		}
		startMins, err := timeToMinutes(strings.TrimSpace(parts[0]))
		if err != nil {
			return nil, err
		}
		endMins, err := timeToMinutes(strings.TrimSpace(parts[1]))
		if err != nil {
			return nil, err
		}
		if startMins > endMins {
			return nil, fmt.Errorf("start after end in interval: %s", seg)
		}
		intervals = append(intervals, interval{start: startMins, end: endMins})
	}
	return intervals, nil
}

// mergeIntervals 合并重叠/相邻区间（如 [0,60], [65,1439] → 保留两个；若 [0,60], [60,120] → 可合并为 [0,120]）
func mergeIntervals(ints []interval) []interval {
	if len(ints) == 0 {
		return ints
	}
	// 排序
	sort.Slice(ints, func(i, j int) bool {
		return ints[i].start < ints[j].start
	})

	merged := make([]interval, 0, len(ints))
	curr := ints[0]
	for i := 1; i < len(ints); i++ {
		if ints[i].start <= curr.end { // 重叠或紧邻（如 end=60, next.start=60 → 合并）
			if ints[i].end > curr.end {
				curr.end = ints[i].end
			}
		} else {
			merged = append(merged, curr)
			curr = ints[i]
		}
	}
	merged = append(merged, curr)
	return merged
}

type ShippingList struct {
	TimeRange   string  `json:"time_range"`   // 配送生效时间范围
	MinPrice    float64 `json:"min_price"`    // 最小起送价
	ShippingFee float64 `json:"shipping_fee"` // 配送费
}