package service

import (
	"fmt"
	"iot_manager_service/app/device/dao"
	"iot_manager_service/app/device/model"
	"iot_manager_service/util"
	"sort"
	"time"
)

// 中间件管理服务
var LightStrategyService = new(lightStrategyService)

type lightStrategyService struct{}

func (s *lightStrategyService) Get(id int) (*model.LightStrategyDetail, *util.Errors) {
	// 创建查询实例
	strategy := &dao.LightStrategy{
		ID: id,
	}
	err := strategy.GetStrategy()
	if err != nil {
		return nil, util.FailResponse(err.Error(), nil)
	}

	lightStrategy := &model.LightStrategyDetail{
		LightStrategy: *strategy,
	}

	lightStrategy.LightConditionList = LightConditionService.BatchGet([]int{id})
	lightStrategy.TimeConditionList = TimeConditionService.BatchGet([]int{id})

	if len(lightStrategy.TimeConditionList) > 0 {
		lightStrategy.LightType = "时间"
	}
	lightStrategy.LightType = lightStrategy.LightType + "策略"

	lightingList := IntelligentLightingService.BatchGet([]int{id})
	for _, lighting := range lightingList {
		// 关联类型1=灯杆，2=灯杆分组
		if lighting.RelationType == 2 {
			lampPole, _ := LampPoleService.Get(lighting.Rid)
			lightStrategy.LampPoleDetailList = append(lightStrategy.LampPoleDetailList,
				model.LampPoleDetail{LampPole: *lampPole})
		} else {
			lampPoleGroup, _ := LampPoleGroupService.Get(lighting.Rid)
			lightStrategy.LampPoleGroupDetailList = append(lightStrategy.LampPoleGroupDetailList,
				model.LampPoleGroupDetail{LampPoleGroup: *lampPoleGroup})
		}
	}
	return lightStrategy, nil

}

func (s *lightStrategyService) CreateOrUpdate(req *model.LightStrategyDetail) *util.Errors {
	// 创建查询实例
	strategy := req
	if strategy.TenantID == "" {
		strategy.TenantID = "000000" // todo: 使用登录态
	}
	strategy.UpdateUser = "TODO" // todo: 使用登录态
	strategy.UpdateTime = time.Now()
	if len(strategy.LightConditionList) == 0 {
		for i := 0; i < len(strategy.LightConditionDetailList); i++ {
			var detail = strategy.LightConditionDetailList[i]
			condition := dao.LightCondition{
				ID:         detail.ID,
				Remark:     detail.Remark,
				LightId:    detail.LightId,
				Luminance:  detail.Luminance,
				ScopeStart: detail.ScopeStart,
				ScopeEnd:   detail.ScopeEnd,
			}
			strategy.LightConditionList = append(strategy.LightConditionList, condition)
		}
	}
	if len(strategy.TimeConditionList) == 0 {
		for i := 0; i < len(strategy.TimeConditionDetailList); i++ {
			var detail = strategy.TimeConditionDetailList[i]
			condition := dao.TimeCondition{
				ID:        detail.ID,
				Remark:    detail.Remark,
				LightId:   detail.LightId,
				Luminance: detail.Luminance,
				StartTime: detail.StartTime,
				EndTime:   detail.EndTime,
				Sunshine:  detail.Sunshine,
			}
			strategy.TimeConditionList = append(strategy.TimeConditionList, condition)
		}
	}

	if req.ID == 0 {
		strategy.CreateTime = time.Now()
		strategy.CreateUser = "TODO" // todo: 使用登录态
		if strategy.IsExistedBySN() {
			fmt.Printf("Create GetstrategyID err \n")
			return util.ParamsInvalidResponse("编码不能重复，请重新填写！", nil)
		}
		//todo 不能先存
		if err := strategy.Create(); err != nil {
			fmt.Printf("Create err = %s \n", err.Error())
			return util.FailResponse(err.Error(), nil)
		}
		return util.SuccessResponse(util.Succeeded, nil)
	}

	//todo 不能先存
	if err := strategy.Update(); err != nil {
		fmt.Printf("Update err = %s \n", err.Error())
		return util.FailResponse(err.Error(), nil)
	}

	//用于比较光照度重叠
	var overlapList []dao.LightCondition
	for _, lightCondition := range strategy.LightConditionList {
		if (lightCondition.ScopeStart != 0 && lightCondition.ScopeEnd == 0) || (lightCondition.
			ScopeStart == 0 && lightCondition.ScopeEnd != 0) {
			//todo 光照度请填写完整
			return nil
		} else if lightCondition.ScopeEnd > 0 && lightCondition.ScopeStart >= lightCondition.ScopeEnd {
			//todo 光照度起始值不能大于结束值
			return nil
		}
		overlapList = append(overlapList, lightCondition)

		if lightCondition.ID == 0 {
			lightCondition.CreateUser = "TODO" //todo 登录态
			lightCondition.CreateTime = time.Now()
		} else {
			lightCondition.UpdateUser = "TODO" //todo 登录态
			lightCondition.UpdateTime = time.Now()
		}
		lightCondition.LightId = req.ID

	}
	//光照条件查询是否区间重叠
	if len(overlapList) > 0 {
		sort.SliceIsSorted(overlapList, func(i, j int) bool {
			return overlapList[i].
				ScopeStart < overlapList[j].ScopeStart
		})
		tmp := -1
		for _, overLap := range overlapList {
			if tmp >= overLap.ScopeStart {
				//todo 区间有重叠
				return nil
			}
			tmp = overLap.ScopeEnd
		}
	}

	// 时间策略参数校验
	for _, timeCondition := range strategy.TimeConditionList {
		if timeCondition.Sunshine == 0 {
			timeCondition.Sunshine = 1
		}
		if timeCondition.Sunshine == 1 && (timeCondition.StartTime == "" && timeCondition.EndTime == "") {
			//todo 请将时间区间填写完整！
			return nil
		}
		if (timeCondition.StartTime == "" && timeCondition.EndTime != "") || (timeCondition.
			StartTime != "" && timeCondition.EndTime == "") {
			//todo 请将时间区间填写完整！
			return nil
		} else if timeCondition.EndTime != "" && timeCondition.StartTime >= timeCondition.EndTime {
			//todo 时间区间开始时间不能大于结束时间，请重新调整！
			return nil
		}
		if timeCondition.ID == 0 {
			timeCondition.CreateUser = "TODO" //todo 登录态
			timeCondition.CreateTime = time.Now()
		} else {
			timeCondition.UpdateUser = "TODO" //todo 登录态
			timeCondition.UpdateTime = time.Now()
		}
		timeCondition.LightId = req.ID
	}

	//todo create or update
	strategyDao := &dao.LightStrategy{}
	if strategy.ID == 0 {
		strategyDao.Create()
	} else {
		strategyDao.Update()
	}

	TimeConditionService.Save(strategy.TimeConditionList)
	LightConditionService.Save(strategy.LightConditionList)

	//todo 调用设备云端的新增或修改

	//todo operation record
	return util.SuccessResponse(util.Succeeded, nil)
}
func (s *lightStrategyService) List(searchValue string, current, size int) ([]dao.LightStrategy, *util.Errors) {
	strategy := dao.LightStrategy{}
	if searchValue != "" {
		strategy.LightSn = searchValue
		strategy.LightName = searchValue
	}

	offset := (current - 1) * size
	limit := size
	strategies, err := strategy.GetStrategies(offset, limit)
	if err != nil {
		return nil, util.FailResponse(err.Error(), nil)
	}
	return strategies, nil
}
func (s *lightStrategyService) Remove(id int) *util.Errors {
	// 创建查询实例
	strategy := &dao.LightStrategy{
		ID:         id,
		IsDeleted:  1,
		UpdateUser: "TODO", // todo 使用登录态
		UpdateTime: time.Now(),
	}
	//todo
	// service.transformerService.CountRelation()

	//todo operation record
	err := strategy.Delete()
	if err != nil {
		return util.FailResponse(err.Error(), nil)
	}
	return nil
}

func (s *lightStrategyService) GetOne(id int) (*dao.LightStrategy, *util.Errors) {
	strategy := &dao.LightStrategy{
		ID: id,
	}
	err := strategy.GetStrategy()
	if err != nil {
		return nil, nil
	}
	return strategy, nil
}