package service

import (
	"fmt"
	"strconv"
	"time"

	"github.com/linmadan/egglib-go/core/application"
	"github.com/linmadan/egglib-go/utils/tool_funs"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/application/evaluation_project/adapter"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/application/evaluation_project/command"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/application/factory"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/utils"
)

type EvaluationProjectService struct {
}

func NewEvaluationProjectService() *EvaluationProjectService {
	newRoleService := &EvaluationProjectService{}
	return newRoleService
}

// Create 创建
func (rs *EvaluationProjectService) Create(in *command.CreateProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})

	// 检测名称重复
	count, err := projectRepository.Count(map[string]interface{}{"name": in.Name, "cycleId": in.CycleId, "companyId": in.CompanyId})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if count > 0 {
		return nil, application.ThrowError(application.BUSINESS_ERROR, "名称已存在")
	}

	newProject := &domain.EvaluationProject{
		Id:        0,
		Name:      in.Name,
		Describe:  in.Describe,
		CompanyId: in.CompanyId,
		CycleId:   in.CycleId,
		CreatorId: in.CreatorId,
		State:     domain.ProjectStateWaitConfig,
		HrBp:      in.HrBp,
		Pmp:       in.Pmp,
		PmpIds:    in.PmpIds,
	}
	project, err := projectRepository.Insert(newProject)
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	projectAdapter := &adapter.EvaluationProjectAdapter{}
	projectAdapter.EvaluationProject = project
	if len(project.PmpIds) > 0 {
		userRepository := factory.CreateUserRepository(map[string]interface{}{"transactionContext": transactionContext})
		_, users, _ := userRepository.Find(map[string]interface{}{"ids": project.PmpIds, "limit": len(project.PmpIds)})
		projectAdapter.TransformPmpAdapter(users)
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return projectAdapter, nil

}

func (rs *EvaluationProjectService) Update(in *command.UpdateProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})

	// 检测名称重复（排除自己）
	count, err := projectRepository.Count(map[string]interface{}{"name": in.Name, "cycleId": in.CycleId, "companyId": in.CompanyId, "notId": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if count > 0 {
		return nil, application.ThrowError(application.BUSINESS_ERROR, "名称已存在")
	}

	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	project.Name = in.Name
	project.Describe = in.Describe
	project.HrBp = in.HrBp
	project.Pmp = in.Pmp
	project.PmpIds = in.PmpIds

	project, err = projectRepository.Insert(project)
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	projectAdapter := &adapter.EvaluationProjectAdapter{}
	projectAdapter.EvaluationProject = project
	if len(project.PmpIds) > 0 {
		userRepository := factory.CreateUserRepository(map[string]interface{}{"transactionContext": transactionContext})
		_, users, _ := userRepository.Find(map[string]interface{}{"ids": project.PmpIds, "limit": len(project.PmpIds)})
		projectAdapter.TransformPmpAdapter(users)
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return projectAdapter, nil
}

func (rs *EvaluationProjectService) UpdateTemplate(in *command.UpdateProjectTemplateCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	cycleRepository := factory.CreateEvaluationCycleRepository(map[string]interface{}{"transactionContext": transactionContext})
	cycleTemplateRepository := factory.CreateEvaluationCycleTemplateRepository(map[string]interface{}{"transactionContext": transactionContext})

	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	// 如果是已经启用的项目，只能编辑环节的截至时间
	if project.State == domain.ProjectStateEnable {
		end, err := time.ParseInLocation("2006-01-02 15:04:05", in.TimeEnd, time.Local)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}

		cycle, err := cycleRepository.FindOne(map[string]interface{}{"id": in.CycleId})
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		maxTime := cycle.TimeEnd.Local()
		if end.After(maxTime) {
			return nil, application.ThrowError(application.BUSINESS_ERROR, "评估截至时间不能超出周期截至时间")
		}
		// 更新项目模板中的环节时间
		if project.Template != nil {
			for i := range project.Template.LinkNodes {
				node := project.Template.LinkNodes[i]
				node.TimeEnd = &end
			}
		}
		// 更新项目截止时间（暂时环节中的时间未分开）
		project.EndTime = end
		project, err = projectRepository.Insert(project)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		// 项目调整截止时间，同步更新任务时间
		if err := rs.updateTaskTime(transactionContext, in.Id, end); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}

		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return project, nil
	} else {
		_, projects, err := projectRepository.Find(map[string]interface{}{"companyId": in.CompanyId, "cycleId": in.CycleId}, "template")
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		// 周期内的所有项目，员工不能重复被评估
		rids := map[string]bool{}
		for i := range projects {
			// 排除当前项目
			if in.Id != projects[i].Id {
				ids := projects[i].Recipients
				for j := range ids {
					rids[ids[j]] = true
				}
			}
		}
		repeatNum := 0
		for i := range in.Recipients {
			id := in.Recipients[i]
			if _, ok := rids[id]; ok {
				repeatNum++
			}
		}
		if repeatNum > 0 {
			return nil, application.ThrowError(application.BUSINESS_ERROR, fmt.Sprintf("有%d人已经在本周期其他项目内，需要将他们移除", repeatNum))
		}

		cycleTemplate, err := cycleTemplateRepository.FindOne(map[string]interface{}{"id": in.TemplateId, "includeDeleted": true})
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		if cycleTemplate == nil || cycleTemplate.Template == nil {
			return nil, application.ThrowError(application.BUSINESS_ERROR, "请添加模板")
		}

		start, err := time.ParseInLocation("2006-01-02 15:04:05", in.TimeStart, time.Local)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		end, err := time.ParseInLocation("2006-01-02 15:04:05", in.TimeEnd, time.Local)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}

		cycle, err := cycleRepository.FindOne(map[string]interface{}{"id": in.CycleId})
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		minTime := cycle.TimeStart.Local()
		maxTime := cycle.TimeEnd.Local()

		if start.Before(minTime) {
			return nil, application.ThrowError(application.BUSINESS_ERROR, "评估起始时间不能超出周期起始时间")
		}

		if end.After(maxTime) {
			return nil, application.ThrowError(application.BUSINESS_ERROR, "评估截至时间不能超出周期截至时间")
		}

		if project.State == domain.ProjectStateWaitConfig {
			project.State = domain.ProjectStateWaitActive
		}
		project.Recipients = in.Recipients
		project.Template = cycleTemplate.Template

		// 项目起始截止时间（环节中的时间暂未分开计算）
		project.BeginTime = start
		project.EndTime = end
		for i := range project.Template.LinkNodes {
			node := project.Template.LinkNodes[i]
			node.KpiCycle = in.KpiCycle // 设置周期
			node.TimeStart = &start
			node.TimeEnd = &end
		}

		project, err = projectRepository.Insert(project)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
		if err := transactionContext.CommitTransaction(); err != nil {
			return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
		}
		return project, nil
	}
}

// 更新项目截止时间，同步任务截止时间
func (rs *EvaluationProjectService) updateTaskTime(context application.TransactionContext, projectId int64, end time.Time) error {
	// 查看任务过程，重新日计算任务截至期
	taskRepository := factory.CreateNodeTaskRepository(map[string]interface{}{"transactionContext": context})
	tasks, err := taskRepository.Find(map[string]interface{}{"projectId": projectId})
	if err != nil {
		return application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	now := time.Now().Local()
	year, month, day := now.Date()
	nowO := time.Date(year, month, day, 0, 0, 0, 0, time.Local) // 当前时间0点0分0秒时刻

	for i := range tasks {
		task := tasks[i]
		task.TimeEnd = &end // 先赋值

		if task.NextSentAt == nil { // 重新计算
			// 环节起始和截止本地时间
			startLocal := task.TimeStart.Local()
			sY, sM, sD := startLocal.Date()
			startLocal = time.Date(sY, sM, sD, 0, 0, 0, 0, time.Local) // 开始时间以0点开始计算

			// 在当前时间之前，则计算下一个周期时间
			if startLocal.Before(nowO) {
				nextTime := utils.NextTime(nowO, startLocal, task.KpiCycle)
				task.NextSentAt = &nextTime
			} else {
				task.NextSentAt = &startLocal
			}

			// 注.最后一次发送时间和重新计算后的时间相同时，继续获取下一个周期
			if task.LastSentAt != nil {
				nextY, nextM, nextD := task.NextSentAt.Local().Date()
				lastY, lastM, lastD := task.LastSentAt.Local().Date()
				if nextY == lastY && nextM == lastM && nextD == lastD {
					nextTime := utils.NextTimeInc(task.NextSentAt.Local(), task.KpiCycle)
					task.NextSentAt = &nextTime
				}
			}
		}

		// 如果超出截至时间，则周期置空
		if task.NextSentAt.Local().After(task.TimeEnd.Local()) {
			task.NextSentAt = nil
		}

		// 更新任务
		task, err := taskRepository.Insert(task)
		if err != nil {
			return application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
	}
	return nil
}

func (rs *EvaluationProjectService) Get(in *command.GetProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	projectAdapter := &adapter.EvaluationProjectAdapter{}
	projectAdapter.EvaluationProject = project

	userRepository := factory.CreateUserRepository(map[string]interface{}{"transactionContext": transactionContext})
	if len(project.PmpIds) > 0 {
		_, users, _ := userRepository.Find(map[string]interface{}{"ids": project.PmpIds, "limit": len(project.PmpIds)})
		projectAdapter.TransformPmpAdapter(users)
	}

	if len(project.Recipients) > 0 {
		_, users, _ := userRepository.Find(map[string]interface{}{"ids": project.Recipients, "limit": len(project.Recipients)})
		projectAdapter.TransformRecipientAdapter(users)
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return projectAdapter, nil
}

func (rs *EvaluationProjectService) Remove(in *command.DeleteProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	taskRepository := factory.CreateNodeTaskRepository(map[string]interface{}{"transactionContext": transactionContext})
	staffRepository := factory.CreateStaffAssessTaskRepository(map[string]interface{}{"transactionContext": transactionContext})

	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if _, err := projectRepository.Remove(project); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	// 删除项目已生成的周期评估数据
	if err := staffRepository.RemoveByProjectId(int(project.Id)); err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	// 移除项目关联的所有定时任务
	tasks, err := taskRepository.Find(map[string]interface{}{"projectId": project.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	for i := range tasks {
		if _, err := taskRepository.Remove(tasks[i]); err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return project, nil
}

func (rs *EvaluationProjectService) List(in *command.QueryProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	total, projects, err := projectRepository.Find(tool_funs.SimpleStructToMap(in), "template")
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	now := time.Now().Unix()
	pmpUsers := make([]*domain.User, 0)
	pmpUserIds := make([]int64, 0)
	for i := range projects {
		project := projects[i]
		for j := range project.PmpIds {
			userId, _ := strconv.ParseInt(project.PmpIds[j], 10, 64)
			pmpUserIds = append(pmpUserIds, userId)
		}

		// 如果是已启用状态时，当前时间超过截至时间显示【已结束】
		if project.State == domain.ProjectStateEnable {
			if now > project.EndTime.Unix() {
				project.State = domain.ProjectStateDisable
			}
		}

	}

	if len(pmpUserIds) > 0 {
		userRepository := factory.CreateUserRepository(map[string]interface{}{"transactionContext": transactionContext})
		_, users, _ := userRepository.Find(map[string]interface{}{"ids": pmpUserIds, "limit": len(pmpUserIds)})
		pmpUsers = users
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}

	projectAdapters := adapter.TransformProjectListAdapter(projects, pmpUsers)
	return tool_funs.SimpleWrapGridMap(total, projectAdapters), nil
}

func (rs *EvaluationProjectService) Activate(in *command.ActivateProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	taskRepository := factory.CreateNodeTaskRepository(map[string]interface{}{"transactionContext": transactionContext})

	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if project.Template == nil {
		return nil, application.ThrowError(application.BUSINESS_ERROR, "请添加评估模板")
	}
	if len(project.Recipients) == 0 {
		return nil, application.ThrowError(application.BUSINESS_ERROR, "请添加被评估人")
	}
	if project.State == domain.TemplateStateEnable {
		return nil, application.ThrowError(application.BUSINESS_ERROR, "项目已启动")
	}

	project.State = domain.TemplateStateEnable
	project, err = projectRepository.Insert(project)
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	now := time.Now().Local()
	year, month, day := now.Date()
	nowO := time.Date(year, month, day, 0, 0, 0, 0, time.Local) // 当前时间0点0分0秒时刻

	for i := range project.Template.LinkNodes {
		node := project.Template.LinkNodes[i]
		task := &domain.NodeTask{
			Id:           0,
			CompanyId:    project.CompanyId,
			CycleId:      project.CycleId,
			ProjectId:    project.Id,
			NodeId:       node.Id,
			NodeType:     node.Type,
			NodeName:     node.Name,
			NodeDescribe: node.Describe,
			NodeSort:     i + 1,
			TimeStart:    node.TimeStart,
			TimeEnd:      node.TimeEnd,
			KpiCycle:     node.KpiCycle,
		}

		// 环节起始和截止本地时间
		startLocal := task.TimeStart.Local()
		sY, sM, sD := startLocal.Date()
		startLocal = time.Date(sY, sM, sD, 0, 0, 0, 0, time.Local) // 开始时间以0点开始计算
		endLocal := task.TimeEnd.Local()

		// 在当前时间之前，则计算下一个周期时间
		if startLocal.Before(nowO) {
			nextTime := utils.NextTime(nowO, startLocal, node.KpiCycle)
			task.NextSentAt = &nextTime
		} else {
			task.NextSentAt = &startLocal
		}
		// 如果超出截至时间，则周期置空
		if task.NextSentAt.After(endLocal) {
			task.NextSentAt = nil
		}

		task, err := taskRepository.Insert(task)
		if err != nil {
			return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
		}
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return project, nil
}

func (rs *EvaluationProjectService) Copy(in *command.CopyProjectCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()
	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})
	project, err := projectRepository.FindOne(map[string]interface{}{"id": in.Id})
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	// ID重置
	project.Id = 0
	project.Name = project.Name + " 副本"
	project.CreatorId = in.CreatorId
	project.Recipients = make([]string, 0) // 重置被评估人

	// 如果拷贝已经启用的模板，默认先设置为待启用
	if project.State == domain.ProjectStateEnable {
		project.State = domain.ProjectStateWaitActive
	}
	project, err = projectRepository.Insert(project)
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}
	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return project, nil
}

func (rs *EvaluationProjectService) CheckRecipients(in *command.CheckRecipientCommand) (interface{}, error) {
	transactionContext, err := factory.ValidateStartTransaction(in)
	if err != nil {
		return nil, err
	}
	defer func() {
		transactionContext.RollbackTransaction()
	}()

	projectRepository := factory.CreateEvaluationProjectRepository(map[string]interface{}{"transactionContext": transactionContext})

	_, projects, err := projectRepository.Find(map[string]interface{}{"companyId": in.CompanyId, "cycleId": in.CycleId}, "template")
	if err != nil {
		return nil, application.ThrowError(application.INTERNAL_SERVER_ERROR, err.Error())
	}

	// 周期内的所有项目，员工不能重复被评估
	rids := map[string]bool{}
	for i := range projects {
		// 排除当前项目
		if in.Id != projects[i].Id {
			ids := projects[i].Recipients
			for j := range ids {
				rids[ids[j]] = true
			}
		}
	}
	repeatNum := 0
	for i := range in.Recipients {
		id := in.Recipients[i]
		if _, ok := rids[id]; ok {
			repeatNum++
		}
	}

	if err := transactionContext.CommitTransaction(); err != nil {
		return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
	}
	return map[string]interface{}{"repeatNum": repeatNum}, nil
}

func (rs *EvaluationProjectService) generateEvaluationItemUsed(transactionContext application.TransactionContext, project *domain.EvaluationProject) error {

	// var itemUsedList []*domain.EvaluationItemUsed
	// for _, v := range project.Template.LinkNodes {
	// 	for _, v2 := range v.NodeContents {

	// 	}
	// }

	// itemUsedRepo := factory.CreateEvaluationItemUsedRepository(map[string]interface{}{"transactionContext": transactionContext})
	return nil
}