package query

import (
	"adm-data/consts"
	"adm-data/errors"
	"adm-data/model"
	v1 "adm-data/pb/v1"
	"context"
	"encoding/json"
	"fmt"

	jsoniter "github.com/json-iterator/go"
	"git.getensh.com/common/gopkgsv2/database"
	"git.getensh.com/common/gopkgsv2/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
)

type maintainInfo struct {
	ItemName  string `json:"item_name"`
	ItemId    int64  `json:"item_id"`
	StartMile int64  `json:"start_mile"`
	StartDate int64  `json:"start_date"`
	MileCycle int64  `json:"mile_cycle"`
	DateCycle int64  `json:"date_cycle"`
	StyleId   string `json:"style_id"`
}

type maintainItem struct {
	Level    int64  `json:"level"`
	ItemName string `json:"item_name"`
	ItemId   int64  `json:"item_id"`
}

type maintain struct {
	Age   int64          `json:"age"`
	Mile  int64          `json:"mile"`
	Items []maintainItem `json:"items"`
}

type item struct {
	ItemId    int64  `json:"item_id"`
	ItemName  string `json:"item_name"`
	StartMile int64  `json:"start_mile"`
	StartDate int64  `json:"start_date"`
	MileCycle int64  `json:"mile_cycle"`
	DateCycle int64  `json:"date_cycle"`
	StyleId   string `json:"style_id"`
}

type cycle struct {
	StartMile int64 `json:"start_mile"`
	StartDate int64 `json:"start_date"`
	MileCycle int64 `json:"mile_cycle"`
	DateCycle int64 `json:"date_cycle"`
}

type MaintainManualResponse struct {
	// 保养
	Maintain []maintain `json:"maintain"`
	// 维修
	Repair []maintainInfo `json:"repair"`
	// 清洗
	Wash         []maintainInfo `json:"wash"`
	MaintainItem []item         `json:"maintain_item"`
	Cycle        cycle          `json:"cycle"`
}

type p08Request struct {
	StyleId string `json:"style_id"`
}

func p08(ctx context.Context, params string) (reply *v1.QueryResponse, err error) {
	reply = &v1.QueryResponse{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()

	var req p08Request
	err = jsoniter.UnmarshalFromString(params, &req)
	if err != nil && req.StyleId == "" {
		return nil, errors.ParamsError
	}

	list, err := model.NewAds7Model().List(database.DB().Where("t1.style_id = ?", req.StyleId))
	if err != nil {
		return nil, errors.DataNotExistError
	}

	title, err := model.NewAds13Model().Get(database.DB().Where("style_id = ?", req.StyleId))
	if err != nil {
		return nil, errors.DataNotExistError
	}

	maintainList := []model.Ads7Item{}

	var res MaintainManualResponse
	for _, v := range list {
		switch v.ItemType {
		case consts.Maintainance:
			res.MaintainItem = append(res.MaintainItem, item{
				ItemId:    v.ItemId,
				ItemName:  v.ItemName,
				StartMile: v.StartMile,
				StartDate: v.StartDate,
				MileCycle: v.MileCycle,
				DateCycle: v.DateCycle,
				StyleId:   v.StyleId,
			})
			maintainList = append(maintainList, v)
		case consts.Repair:
			res.Repair = append(res.Repair, maintainInfo{
				ItemName:  v.ItemName,
				ItemId:    v.ItemId,
				StartMile: v.StartMile,
				StartDate: v.StartDate,
				MileCycle: v.MileCycle,
				DateCycle: v.DateCycle,
				StyleId:   v.StyleId,
			})
		case consts.Wash:
			res.Wash = append(res.Wash, maintainInfo{
				ItemName:  v.ItemName,
				ItemId:    v.ItemId,
				StartMile: v.StartMile,
				StartDate: v.StartDate,
				MileCycle: v.MileCycle,
				DateCycle: v.DateCycle,
				StyleId:   v.StyleId,
			})
		}
	}

	// sort.Slice(res.MaintainItem, func(i, j int) bool {
	// 	return res.MaintainItem[i].ItemId < res.MaintainItem[j].ItemId
	// })

	if len(maintainList) > 0 {
		generateMaintainace(maintainList, title, &res)
	}

	reply.Data, _ = jsoniter.MarshalToString(res)

	/*response := MaintainManualResponse{}
	err = jsoniter.UnmarshalFromString(reply.Data, &response)
	err = insertTable("P08", "保养手册", "34,39", req, response)
	if err != nil {
		return nil, err
	}*/

	return reply, nil
}

func judgeCycle(mile, age int64, v model.Ads7Item, m, d int64) bool {
	if mile > 0 && v.MileCycle > 0 {
		if mile >= v.StartMile && (mile-m)%v.MileCycle == 0 {
			return true
		}
	}

	if age > 0 && v.DateCycle > 0 {
		if age >= v.StartDate && (age-d)%v.DateCycle == 0 {
			return true
		}
	}

	return false
}

func generateMaintainace(
	list []model.Ads7Item,
	title *model.Ads13,
	reply *MaintainManualResponse,
) {
	var (
		mile        int64
		age         int64
		maintainLen int64
	)

	if title.MaintainDateMinCycle == 0 && title.MaintainMileMinCycle == 0 {
		return
	}

	for {
		// 当前周期
		if title.StartMile != 0 && mile < title.StartMile {
			mile = title.StartMile
		} else {
			mile += title.MaintainMileMinCycle
		}

		if title.StartDate != 0 && age < title.StartDate {
			age = title.StartDate
		} else {
			age += title.MaintainDateMinCycle
		}

		if mile > 300000 {
			break
		}

		if age > 180 {
			break
		}

		maintain := maintain{
			Mile: mile,
			Age:  age,
		}

		for _, v := range list {
			item := maintainItem{
				ItemId:   v.ItemId,
				ItemName: v.ItemName,
			}

			if judgeCycle(mile, age, v, title.StartMile, title.StartDate) {
				item.Level = 2
				if maintainLen > 0 {
					for k := range reply.Maintain[maintainLen-1].Items {
						if reply.Maintain[maintainLen-1].Items[k].ItemId == item.ItemId {
							if reply.Maintain[maintainLen-1].Items[k].Level == 0 {
								reply.Maintain[maintainLen-1].Items[k].Level = 1
							}
						}
					}
				}
			}
			maintain.Items = append(maintain.Items, item)
		}

		// sort.Slice(maintain.Items, func(i, j int) bool {
		// 	return maintain.Items[i].ItemId < maintain.Items[j].ItemId
		// })

		reply.Maintain = append(reply.Maintain, maintain)
		maintainLen++
	}

	reply.Cycle.StartMile = title.StartMile
	reply.Cycle.MileCycle = title.MaintainMileMinCycle
	reply.Cycle.StartDate = title.StartDate
	reply.Cycle.DateCycle = title.MaintainDateMinCycle
}