package service

import (
	"encoding/json"
	"errors"
	"fmt"
	"os"
	"strings"
	"sync/atomic"
	"time"

	"github.com/plutov/paypal"
	"github.com/w3liu/go-common/constant/timeformat"

	"pure/dto"
	"pure/global"
	"pure/model"
	"pure/model/request"
	"pure/utils"
)

func GetOrderData(userId string, info *request.SceneParams) (dto.OrderData, error) {
	var (
		// err    error
		result dto.OrderData
	)
	// TODO 全部数据包含哪些状态
	switch info.Scene {
	case "my":
		result.Unship, _ = getOrderCount(userId, &request.SearchOrderList{Status: 2})
		result.Shipped, _ = getOrderCount(userId, &request.SearchOrderList{Status: 3})
		result.Finished, _ = getOrderCount(userId, &request.SearchOrderList{Status: 4})
		result.Cancel, _ = getOrderCount(userId, &request.SearchOrderList{Status: 5})
	default:
		result.All, _ = getOrderCount(userId, &request.SearchOrderList{Status: 0})
		result.Unship, _ = getOrderCount(userId, &request.SearchOrderList{Status: 2})
		result.Shipped, _ = getOrderCount(userId, &request.SearchOrderList{Status: 3})
		result.Finished, _ = getOrderCount(userId, &request.SearchOrderList{Status: 4})
		result.Cancel, _ = getOrderCount(userId, &request.SearchOrderList{Status: 5})
	}
	return result, nil
}

func getOrderCount(userId string, info *request.SearchOrderList) (int64, error) {
	var (
		err    error
		result int64
	)
	db := global.MG_DB.Model(&model.Order{}).Joins("INNER JOIN mission_claim ON mission_claim.claim_no = `order`.`code`").
		Where("`order`.`status` IN (2,3,4,5) AND mission_claim.create_by = ?", userId)
	if info.Status != 0 {
		db = db.Where("`order`.status = ?", info.Status)
	}
	if info.Code != "" {
		db = db.Where("`order`.`code` = ?", info.Code)
	}
	switch info.Group {
	case "user": // 下单人数
		db = db.Group("`order`.user_id")
		err = db.Count(&result).Error
	default:
		err = db.Count(&result).Error
	}
	return result, err
}

func GetOrderList(userId string, info *request.SearchOrderList) (error, any, int64) {
	var (
		err   error
		data  []model.OrderList
		total int64
	)
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	db := global.MG_DB.Model(&model.Order{}).Joins("INNER JOIN mission_claim ON mission_claim.claim_no = `order`.`code`").
		Where("`order`.`status` IN (2,3,4,5) AND mission_claim.create_by = ?", userId)
	if info.Status != 0 {
		db = db.Where("`order`.`status` = ?", info.Status)
	}
	if info.Code != "" {
		db = db.Where("`order`.`code` = ?", info.Code)
	}
	err = db.Order("order.id desc").Offset(offset).Limit(limit).Find(&data).Error
	if err != nil {
		return errors.New("获取订单失败"), data, total
	}
	if len(data) == 0 {
		return nil, data, total
	}
	var orderIds, userIds, claimNos, platforms []string
	for _, val := range data {
		orderIds = append(orderIds, val.OrderID)
		userIds = append(userIds, val.UserID)
		if val.Code != "" {
			claimNos = append(claimNos, val.Code)
		}
		if val.Platform != "" {
			platforms = append(platforms, val.Platform)
		}
	}
	var (
		orderGoodsList []model.OrderGoodsDetail
		goodsMap       = make(map[string]model.OrderGoodsDetail)
	)
	err = global.MG_DB.Model(&model.OrderGoods{}).Where("order_id IN (?)", orderIds).Find(&orderGoodsList).Error
	if err != nil {
		return errors.New("获取订单商品信息失败"), data, total
	}
	for _, goods := range orderGoodsList {
		goodsMap[goods.OrderID] = goods
	}
	var (
		users   []model.UserSimple
		userMap = make(map[string]model.UserSimple)
	)
	err = global.MG_DB.Model(&model.User{}).Where("`type` = 'customer' AND uuid IN (?)", userIds).Find(&users).Error
	if err != nil {
		return errors.New("获取订单用户信息失败"), data, total
	}
	for _, user := range users {
		userMap[user.UUID.String()] = user
	}
	var (
		missions     []model.MissionClaimInfo
		hireRatioMap = make(map[string]float64)
	)
	err = global.MG_DB.Model(&model.MissionClaim{}).Select("mission_claim.claim_no,mission_claim.mission_id,b.hire_type,b.hire_money,b.hire_ratio").
		Joins("inner join mission b on mission_claim.mission_id=b.id").Where("claim_no IN (?) AND b.hire_type = 2", claimNos).Find(&missions).Error
	if err != nil {
		return errors.New("获取任务详情失败"), data, total
	}
	for _, val := range missions {
		hireRatioMap[val.ClaimNo] = val.HireRatio
	}
	dictMap := getDictMap("release_channel", platforms)
	for v := range data {
		if val, ok := goodsMap[data[v].OrderID]; ok {
			data[v].Goods = val
		}
		if val, ok := userMap[data[v].UserID]; ok {
			data[v].User = val
		}
		if val, ok := hireRatioMap[data[v].Code]; ok {
			data[v].InfluencerAmount = utils.FormatFloatToString(data[v].PaidPrice * val / 100)
		}
		if val, ok := dictMap[data[v].Platform]; ok {
			data[v].Platform = val
		}
	}
	return nil, data, total
}

func GetOrderDetail(userId string, info *request.GetOrderParams) (error, model.OrderDetail) {
	var (
		err     error
		data    model.OrderDetail
		tCommod model.TbGoods
	)
	err = global.MG_DB.Model(&model.Order{}).Joins("INNER JOIN mission_claim ON mission_claim.claim_no = `order`.`code`").
		Where("mission_claim.create_by = ? AND order_id = ?", userId, info.OrderID).Find(&data).Error
	if err != nil {
		return errors.New("获取订单失败"), data
	}
	err = global.MG_DB.Model(&model.OrderAddress{}).Where("order_id=?", info.OrderID).Find(&data.Address).Error
	if err != nil {
		return errors.New("获取订单地址失败"), data
	}
	err = global.MG_DB.Model(&model.OrderGoods{}).Where("order_id=?", info.OrderID).Find(&data.Goods).Error
	if err != nil {
		return errors.New("获取订单商品信息失败"), data
	}
	err = global.MG_DB.Model(&model.OrderDeliver{}).Where("order_id=?", info.OrderID).Find(&data.Deliver).Error
	if err != nil {
		return errors.New("获取发货信息失败"), data
	}
	if data.Code != "" {
		var mission model.MissionClaimInfo
		_ = global.MG_DB.Model(&model.MissionClaim{}).Joins("inner join mission b on mission_claim.mission_id=b.id").
			Select("mission_claim.claim_no,mission_claim.mission_id,b.hire_type,b.hire_money,b.hire_ratio").Where("claim_no = ? AND b.hire_type = 2", data.Code).First(&mission)
		if mission.MissionId != 0 {
			amount := data.PaidPrice * mission.HireRatio / 100
			data.InfluencerAmount = utils.FormatFloatToString(amount)
		}
	}
	if data.Platform != "" {
		data.Platform = GetSysDictDataLabel("release_channel", data.Platform)
	}
	global.MG_DB.Model(&model.TbGoods{}).Where("id=?", data.CommodID).Find(&tCommod)
	global.MG_DB.Model(&model.SellerStore{}).Select("store_no,`type`,email").Where("store_no = ?", tCommod.StoreNo).Find(&data.Store)
	_ = global.MG_DB.Model(&model.OrderPostSale{}).Select("id,order_id,status,remark,examine_time,refund_time,refund_status,created_at").Where("order_id = ? AND status IN (1,2,3)", data.OrderID).First(&data.PostSale).Error
	if data.PayTime != nil {
		data.Bill, _ = getBillView(data.OrderID)
	}
	data.Chain = model.Chain{Address: "b714e5508531a7b50d0696abdc83d2333bd896db24f68eb1470bb9529390ef3e"}
	return nil, data
}

func GetOrderGoods(userId string, info *request.GetOrderParams) (error, model.OrderGoodsDetail) {
	var (
		err    error
		order  model.Order
		result model.OrderGoodsDetail
	)
	err = global.MG_DB.Model(&model.Order{}).Joins("INNER JOIN mission_claim ON mission_claim.claim_no = `order`.`code`").
		Where("mission_claim.create_by = ? AND order_id = ?", userId, info.OrderID).Find(&order).Error
	if err != nil {
		return errors.New("获取订单失败"), result
	}
	err = global.MG_DB.Model(&model.OrderGoods{}).Where("order_id = ?", info.OrderID).Find(&result).Error
	if err != nil {
		return errors.New("获取订单商品信息失败"), result
	}
	err = global.MG_DB.Model(&model.OrderGoodsSpecs{}).Where("order_goods_id = ?", result.ID).Find(&result.GoodsSpecs).Error
	if err != nil {
		return errors.New("获取订单商品规格信息失败"), result
	}
	attributeValues := make(map[uint]*model.TbAttributeValueJson)
	for i := 0; i < len(result.GoodsSpecs); i++ {
		var attributeList []model.TbAttributeDetail
		err = json.Unmarshal([]byte(result.GoodsSpecs[i].Specs), &attributeList)
		if err != nil {
			return err, result
		}
		if i == 0 {
			var attributes []uint
			for j := 0; j < len(attributeList); j++ {
				attributes = append(attributes, attributeList[j].AttributeId)
			}
			orderSql := "FIELD(id"
			for _, attribute := range attributes {
				orderSql += fmt.Sprintf(",'%v'", attribute)
			}
			orderSql += ")"
			err = global.MG_DB.Model(&model.TbAttribute{}).Select("id,`name`").Where("id IN (?)", attributes).Order(orderSql).Find(&result.Attributes).Error
			if err != nil {
				return err, result
			}
		}
		for _, attribute := range attributeList {
			if _, ok := attributeValues[attribute.AttributeId]; ok {
				if !strings.Contains(attributeValues[attribute.AttributeId].Str, attribute.Value) {
					attributeValues[attribute.AttributeId].Str += attribute.Value + ","
					attributeValues[attribute.AttributeId].Items = append(attributeValues[attribute.AttributeId].Items, model.TbAttributeValueItem{Id: attribute.ValueId, Name: attribute.Value, Image: result.GoodsSpecs[i].Image})
				}
			} else {
				attributeValues[attribute.AttributeId] = &model.TbAttributeValueJson{Items: []model.TbAttributeValueItem{{Id: attribute.ValueId, Name: attribute.Value, Image: result.GoodsSpecs[i].Image}}, Str: attribute.Value + ","}
			}
		}
	}
	for i := 0; i < len(result.Attributes); i++ {
		if val, ok := attributeValues[result.Attributes[i].ID]; ok {
			result.Attributes[i].Values = val.Items
		}
	}
	return err, result
}

// 用户提现
func CreatePayOutPayer(paypalName, amount, withdID string) (error, *paypal.PayoutResponse) {
	var (
		err error
		c   *paypal.Client
	)
	if global.MG_CONFIG.Paypal.Env == "SandBox" {
		c, err = paypal.NewClient(global.MG_CONFIG.Paypal.ClientID, global.MG_CONFIG.Paypal.Secret, paypal.APIBaseSandBox)
		if err != nil {
			return err, nil
		}
	} else {
		c, err = paypal.NewClient(global.MG_CONFIG.Paypal.ClientID, global.MG_CONFIG.Paypal.Secret, paypal.APIBaseLive)
		if err != nil {
			return err, nil
		}
	}
	_, err = c.GetAccessToken()
	if err != nil {
		return err, nil
	}
	payout := paypal.Payout{}
	send := &paypal.SenderBatchHeader{
		SenderBatchID: withdID,
	}
	item := make([]paypal.PayoutItem, 1)
	fmt.Println(amount)
	item[0] = paypal.PayoutItem{
		RecipientType: "EMAIL",
		Receiver:      paypalName,
		Amount: &paypal.AmountPayout{
			Currency: "USD",  // 收款类型
			Value:    amount, // 收款数量
		},
		Note: "打款",
	}
	payout.SenderBatchHeader = send
	payout.Items = item
	fmt.Println(payout.Items[0].Amount)
	resp, err := c.CreateSinglePayout(payout)
	if err != nil {
		fmt.Println(err.Error())
		fmt.Println(resp)
		return err, nil
	}
	return err, resp
}

// 生成24位订单号
// 前面17位代表时间精确到毫秒，中间3位代表进程id，最后4位代表序号
var num int64

func Generate() string {
	t := time.Now()
	s := t.Format(timeformat.Continuity)
	m := t.UnixNano()/1e6 - t.UnixNano()/1e9*1e3
	ms := sup(m, 3)
	p := os.Getpid() % 1000
	ps := sup(int64(p), 3)
	i := atomic.AddInt64(&num, 1)
	r := i % 10000
	rs := sup(r, 4)
	n := fmt.Sprintf("%s%s%s%s", s, ms, ps, rs)
	return n
}

// 对长度不足n的数字前面补0
func sup(i int64, n int) string {
	m := fmt.Sprintf("%d", i)
	for len(m) < n {
		m = fmt.Sprintf("0%s", m)
	}
	return m
}

func GetOrderTotalList(info *request.SearchOrderList) (error, any) {
	var (
		err  error
		data model.OrderTotal
	)
	if info.Code == "" {
		return errors.New("任务码不可为空"), nil
	}
	db := global.MG_DB.Model(&model.Order{})
	if info.Status != 0 {
		db = db.Where("status=?", info.Status)
	}
	if info.Code != "" {
		db = db.Where("code=?", info.Code)
	}
	err = db.Select("sum(case when `status`=2 then 1 else 0 end) status2,sum(case when `status`=3 then 1 else 0 end) status3,sum(case when `status`=4 then 1 else 0 end) status4").Scan(&data).Error
	if err != nil {
		return errors.New("获取订单失败"), data
	}
	return nil, data
}

func GetMissionOrderStatistic(userId, claimNo string) (dto.MissionOrderStatistic, error) {
	var (
		err       error
		claim     model.MissionClaim
		statistic model.DtStatisticOrder
		result    dto.MissionOrderStatistic
	)
	err, claim = getMissionClaim(userId, claimNo)
	if err != nil {
		return result, err
	}
	statistic, _ = getStatisticsOrderByValues([]string{}, "", "2", claimNo)
	visits := GetGoodsVisit(claimNo)
	result = dto.MissionOrderStatistic{
		OrderNum:      statistic.OrderNum,
		OrderDoneNum:  statistic.OrderDoneNum,
		OrderMoney:    statistic.OrderMoney,
		SettleReward:  claim.RewardFinished,
		TransitReward: claim.RewardUnfinished,
		RewardRatio:   0.1,
		Uv:            visits,
		SellNum:       claim.AchieveNum,
	}
	result.OrderUserNum, _ = getOrderCount(userId, &request.SearchOrderList{Group: "user", Code: claimNo})

	return result, nil
}

func getStatisticsOrder(value, unit, relationId string) (model.DtStatisticOrder, error) {
	var (
		err    error
		result model.DtStatisticOrder
	)
	db := global.MG_DB.Model(&model.DtStatisticOrder{}).Where("`value` = ? AND `unit` = ?", value, unit)
	if relationId != "" {
		db = db.Where("`relation_id` = ?", relationId)
	}
	err = db.First(&result).Error
	return result, err
}

// 累计销量 "all","all","goods_id"
// 30天销量 "day","30","goods_id"
func GetStatisticsOrderByValues(unit string, value int, relationId string) (model.DtStatisticOrder, error) {
	if value < 0 {
		return model.DtStatisticOrder{}, errors.New("value error")
	}
	var values = make([]string, 0)
	now := time.Now()
	switch unit {
	case "day":
		if value == 0 {
			values = append(values, now.Format("20060102"))
		} else {
			tmp := now.AddDate(0, 0, -value)
			for i := 0; i < value; i++ {
				values = append(values, tmp.Format("20060102"))
				tmp = tmp.AddDate(0, 0, 1)
			}
		}
	case "month":

	}
	return getStatisticsOrderByValues(values, "day", "", relationId)
}

func getStatisticsOrderByValues(values []string, unit, t, relationId string) (model.DtStatisticOrder, error) {
	var (
		err    error
		result model.DtStatisticOrder
	)
	db := global.MG_DB.Model(&model.DtStatisticOrder{}).Where("`unit` = ?", unit).
		Select("SUM(order_num) as order_num,SUM(order_done_num) as order_done_num,SUM(order_money) as order_money,SUM(sale_volume) as sale_volume,SUM(settle_reward) as settle_reward,SUM(order_cancel_num) as order_cancel_num,SUM(order_cancel_money) as order_cancel_money")
	if len(values) != 0 {
		db = db.Where("`value` IN (?) ", values)
	}
	if t != "" {
		db = db.Where("`type` = ?", t)
	}
	if relationId != "" {
		db = db.Where("`relation_id` = ?", relationId)
	}
	err = db.First(&result).Error
	return result, err
}

// 获取网红维度订单数据统计
func getStatisticsOrderInfluence(uuid, unit string, timeArea []string) (model.DtStatisticOrder, error) {
	var (
		err    error
		result model.DtStatisticOrder
	)
	db := global.MG_DB.Model(&model.DtStatisticOrder{}).Joins("INNER JOIN mission_claim ON mission_claim.claim_no = dt_statistic_order.relation_id").
		Where("dt_statistic_order.`type` = 2 AND mission_claim.create_by = ? AND dt_statistic_order.`unit` = ?", uuid, unit)
	if len(timeArea) == 2 {
		db = db.Where("dt_statistic_order.created_at >= ? AND dt_statistic_order.created_at < ?", timeArea[0], timeArea[1])
	}
	err = db.Select("SUM(dt_statistic_order.order_num) as order_num,SUM(dt_statistic_order.order_done_num) as order_done_num,SUM(dt_statistic_order.order_money) as order_money,SUM(dt_statistic_order.sale_volume) as sale_volume,SUM(dt_statistic_order.settle_reward) as settle_reward,SUM(dt_statistic_order.order_cancel_num) as order_cancel_num,SUM(dt_statistic_order.order_cancel_money) as order_cancel_money").First(&result).Error
	return result, err
}

func GetGoodsVisit(claimNo string) (count int64) {
	global.MG_DB.Model(&model.GoodsVisit{}).Where("claim_no=?", claimNo).Count(&count)
	return count
}