package domain

import (
	"fmt"
	"time"
)

const (
	TASK_TYPE_ROB = iota + 1 //抢单任务
	TASK_TYPE_BID            //竞标任务
)

const (
	REFERENCE_RESOURCE_TYPE_ISSUE  = iota + 1 //问题引用类型
	REFERENCE_RESOURCE_TYPE_CHANCE            //机会引用类型
)

const (
	TASK_STATUS_UNRELEASED   = iota + 1 //待发布
	TASK_STATUS_UNCLAIMED               //待领取
	TASK_STATUS_UNDERWAY                //进行中
	TASK_STATUS_UNACCEPTANCE            //待验收
	TASK_STATUS_COMPLETED               //已完成
	TASK_STATUS_CLOSED                  //关闭
)

// 任务
type Task struct {
	// 任务ID
	TaskId int64 `json:"taskId"`
	// 公司ID
	CompanyId int64 `json:"companyId"`
	// 任务名称
	TaskName string `json:"taskName"`
	// 任务类型Type
	TaskType int `json:"taskType"`
	// 任务发起者
	Sponsor *EmployeeInfo `json:"sponsor"`
	// 任务状态
	TaskStatus int `json:"taskStatus"`
	// 引用资源
	ReferenceResource *ReferenceResource `json:"referenceResource"`
	// 客户价值列表
	CustomerValue []string `json:"customerValue"`
	// 任务性质
	TaskNature string `json:"taskNature"`
	// 奖励素币
	SuMoney float64 `json:"suMoney"`
	// 验收标准
	AcceptanceStandard string `json:"acceptanceStandard"`
	// 任务描述
	TaskDescription string `json:"taskDescription"`
	// 任务图片URL列表
	TaskPictureUrls []string `json:"taskPictureUrls"`
	// 是否悬赏任务
	IsRewardTake bool `json:"isRewardTake"`
	// 抢单任务信息
	RobInfo *RobInfo `json:"robInfo"`
	// 竞标任务信息
	BidInfo *BidInfo `json:"bidInfo"`
	// 任务参与者列表
	Participators []*EmployeeInfo `json:"participators"`
	// 任务贡献占比
	TaskPercentage []*TaskPercentageItem `json:"taskPercentage"`
	// 解决报告
	SolveReport string `json:"solveReport"`
	// 解决图片URL列表
	SolvePictureUrls []string `json:"solvePictureUrls"`
	// 创建时间
	CreateTime time.Time `json:"createTime"`
	// 发布时间
	ReleaseTime time.Time `json:"releaseTime"`
	//当前状态
	CurrentStatus TaskStatus `json:"-"`
}

type TaskStatus interface {
	Update(task *Task, data map[string]interface{}) error
	Release(task *Task) error
	Rob(task *Task, receiver *EmployeeInfo) error
	Bib(task *Task, bidder *EmployeeInfo) error
	ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error
	ApplyComplete(task *Task) error
	Off(task *Task) error
	Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error
}

type UnReleasedStatus struct{}

func (status *UnReleasedStatus) Update(task *Task, data map[string]interface{}) error {
	if taskName, ok := data["taskName"]; ok {
		task.TaskName = taskName.(string)
	}
	if referenceResourceType, ok := data["referenceResourceType"]; ok {
		task.ReferenceResource.ReferenceResourceType = referenceResourceType.(int)
	}
	if referenceResourceItems, ok := data["referenceResourceItems"]; ok {
		task.ReferenceResource.ReferenceResourceItems = referenceResourceItems.([]*ReferenceResourceItem)
	}
	if customerValue, ok := data["customerValue"]; ok {
		task.CustomerValue = customerValue.([]string)
	}
	if taskNature, ok := data["taskNature"]; ok {
		task.TaskNature = taskNature.(string)
	}
	if suMoney, ok := data["suMoney"]; ok {
		task.SuMoney = suMoney.(float64)
	}
	if task.TaskType == TASK_TYPE_BID {
		if bidStartTime, ok := data["bidStartTime"]; ok {
			task.BidInfo.BidStartTime = bidStartTime.(time.Time)
		}
		if bidEndTime, ok := data["bidEndTime"]; ok {
			task.BidInfo.BidEndTime = bidEndTime.(time.Time)
		}
	}
	if acceptanceStandard, ok := data["acceptanceStandard"]; ok {
		task.AcceptanceStandard = acceptanceStandard.(string)
	}
	if taskDescription, ok := data["taskDescription"]; ok {
		task.TaskDescription = taskDescription.(string)
	}
	if taskPictureUrls, ok := data["taskPictureUrls"]; ok {
		task.TaskPictureUrls = taskPictureUrls.([]string)
	}
	if isRewardTake, ok := data["isRewardTake"]; ok {
		task.IsRewardTake = isRewardTake.(bool)
	}
	return nil
}

func (status *UnReleasedStatus) Release(task *Task) error {
	task.ReleaseTime = time.Now()
	task.TaskStatus = TASK_STATUS_UNCLAIMED
	task.CurrentStatus = &UnClaimedStatus{}
	return nil
}

func (status *UnReleasedStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	return fmt.Errorf("待发布的任务不允许抢单")
}

func (status *UnReleasedStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	return fmt.Errorf("待发布的任务不允许竞标")
}

func (status *UnReleasedStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	return fmt.Errorf("待发布的任务不允许选择竞标任务的中标人")
}

func (status *UnReleasedStatus) ApplyComplete(task *Task) error {
	return fmt.Errorf("待发布的任务不允许申请完成任务")
}

func (status *UnReleasedStatus) Off(task *Task) error {
	return fmt.Errorf("待发布的任务不允许关闭")
}

func (status *UnReleasedStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return fmt.Errorf("待发布的任务不允许验收")
}

type UnClaimedStatus struct{}

func (status *UnClaimedStatus) Update(task *Task, data map[string]interface{}) error {
	return fmt.Errorf("待领取的任务不允许编辑")
}

func (status *UnClaimedStatus) Release(task *Task) error {
	return fmt.Errorf("待领取的任务不允许重新发布")
}

func (status *UnClaimedStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	if task.TaskType != TASK_TYPE_ROB {
		return fmt.Errorf("类型不符合的任务不允许抢单")
	}
	task.RobInfo = &RobInfo{
		Receiver:    receiver,
		ReceiveTime: time.Now(),
	}
	task.TaskStatus = TASK_STATUS_UNDERWAY
	task.CurrentStatus = &UnderwayStatus{}
	return nil
}

func (status *UnClaimedStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	if task.TaskType != TASK_TYPE_BID {
		return fmt.Errorf("类型不符合的任务不允许竞标")
	}
	if task.BidInfo == nil {
		return fmt.Errorf("无效的竞标信息")
	} else {
		bidTime := time.Now()
		if bidTime.Before(task.BidInfo.BidStartTime) {
			return fmt.Errorf("竞标还没开始")
		}
		if bidTime.After(task.BidInfo.BidEndTime) {
			return fmt.Errorf("竞标已经结束")
		}
		task.BidInfo.BidderInfos = append(task.BidInfo.BidderInfos, &BidderInfo{
			Bidder:  bidder,
			BidTime: bidTime,
		})
		task.TaskStatus = TASK_STATUS_UNDERWAY
		task.CurrentStatus = &UnderwayStatus{}
		return nil
	}
}

func (status *UnClaimedStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	if task.TaskType != TASK_TYPE_BID {
		return fmt.Errorf("类型不符合的任务不允许选择竞中标人")
	}
	if task.BidInfo == nil {
		return fmt.Errorf("无效的竞标信息")
	} else {
		winBidTime := time.Now()
		if winBidTime.Before(task.BidInfo.BidEndTime) {
			return fmt.Errorf("竞标还没有结束")
		}
		task.BidInfo.SuccessfulBidder = successfulBidder
		task.BidInfo.WinBidTime = winBidTime
		task.TaskStatus = TASK_STATUS_UNDERWAY
		task.CurrentStatus = &UnderwayStatus{}
		return nil
	}
}

func (status *UnClaimedStatus) ApplyComplete(task *Task) error {
	return fmt.Errorf("待领取的任务不允许申请完成任务")
}

func (status *UnClaimedStatus) Off(task *Task) error {
	task.TaskStatus = TASK_STATUS_CLOSED
	task.CurrentStatus = &ClosedStatus{}
	return nil
}

func (status *UnClaimedStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return fmt.Errorf("待领取的任务不允许验收")
}

type UnderwayStatus struct{}

func (status *UnderwayStatus) Update(task *Task, data map[string]interface{}) error {
	return fmt.Errorf("进行中的任务不允许编辑")
}

func (status *UnderwayStatus) Release(task *Task) error {
	return fmt.Errorf("进行中的任务不允许重新发布")
}

func (status *UnderwayStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	return fmt.Errorf("进行中的任务不允许抢单")
}

func (status *UnderwayStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	return fmt.Errorf("进行中的任务不允许竞标")
}

func (status *UnderwayStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	return fmt.Errorf("进行中的任务不允许选择竞标任务的中标人")
}

func (status *UnderwayStatus) ApplyComplete(task *Task) error {
	task.TaskStatus = TASK_STATUS_UNACCEPTANCE
	task.CurrentStatus = &UnAcceptanceStatus{}
	return nil
}

func (status *UnderwayStatus) Off(task *Task) error {
	task.TaskStatus = TASK_STATUS_CLOSED
	task.CurrentStatus = &ClosedStatus{}
	return nil
}

func (status *UnderwayStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return fmt.Errorf("进行中的任务不允许验收")
}

type UnAcceptanceStatus struct{}

func (status *UnAcceptanceStatus) Update(task *Task, data map[string]interface{}) error {
	return fmt.Errorf("待验收的任务不允许编辑")
}

func (status *UnAcceptanceStatus) Release(task *Task) error {
	return fmt.Errorf("待验收的任务不允许重新发布")
}

func (status *UnAcceptanceStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	return fmt.Errorf("待验收的任务不允许抢单")
}

func (status *UnAcceptanceStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	return fmt.Errorf("待验收的任务不允许竞标")
}

func (status *UnAcceptanceStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	return fmt.Errorf("待验收的任务不允许选择竞标任务的中标人")
}

func (status *UnAcceptanceStatus) ApplyComplete(task *Task) error {
	return fmt.Errorf("待验收的任务不允许申请完成任务")
}

func (status *UnAcceptanceStatus) Off(task *Task) error {
	task.TaskStatus = TASK_STATUS_CLOSED
	task.CurrentStatus = &ClosedStatus{}
	return nil
}

func (status *UnAcceptanceStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	task.Participators = participators
	task.TaskPercentage = taskPercentage
	task.SolveReport = solveReport
	task.SolvePictureUrls = solvePictureUrls
	task.TaskStatus = TASK_STATUS_COMPLETED
	task.CurrentStatus = &CompletedStatus{}
	return nil
}

type CompletedStatus struct{}

func (status *CompletedStatus) Update(task *Task, data map[string]interface{}) error {
	return fmt.Errorf("已完成的任务不允许编辑")
}

func (status *CompletedStatus) Release(task *Task) error {
	return fmt.Errorf("已完成的任务不允许重新发布")
}

func (status *CompletedStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	return fmt.Errorf("已完成的任务不允许抢单")
}

func (status *CompletedStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	return fmt.Errorf("已完成的任务不允许竞标")
}

func (status *CompletedStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	return fmt.Errorf("已完成的任务不允许选择竞标任务的中标人")
}

func (status *CompletedStatus) ApplyComplete(task *Task) error {
	return fmt.Errorf("已完成的任务不允许申请完成任务")
}

func (status *CompletedStatus) Off(task *Task) error {
	task.TaskStatus = TASK_STATUS_CLOSED
	task.CurrentStatus = &ClosedStatus{}
	return nil
}

func (status *CompletedStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return fmt.Errorf("已完成的任务不允许验收")
}

type ClosedStatus struct{}

func (status *ClosedStatus) Update(task *Task, data map[string]interface{}) error {
	return fmt.Errorf("已关闭的任务不允许编辑")
}

func (status *ClosedStatus) Release(task *Task) error {
	return fmt.Errorf("已关闭的任务不允许重新发布")
}

func (status *ClosedStatus) Rob(task *Task, receiver *EmployeeInfo) error {
	return fmt.Errorf("已关闭的任务不允许抢单")
}

func (status *ClosedStatus) Bib(task *Task, bidder *EmployeeInfo) error {
	return fmt.Errorf("已关闭的任务不允许竞标")
}

func (status *ClosedStatus) ChooseSuccessfulBidder(task *Task, successfulBidder *EmployeeInfo) error {
	return fmt.Errorf("已关闭的任务不允许选择竞标任务的中标人")
}

func (status *ClosedStatus) ApplyComplete(task *Task) error {
	return fmt.Errorf("已关闭的任务不允许申请完成任务")
}

func (status *ClosedStatus) Off(task *Task) error {
	return fmt.Errorf("已关闭的任务不允许关闭")
}

func (status *ClosedStatus) Acceptance(task *Task, participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return fmt.Errorf("已关闭的任务不允许验收")
}

type TaskRepository interface {
	Save(task *Task) (*Task, error)
	Remove(task *Task) (*Task, error)
	FindOne(queryOptions map[string]interface{}) (*Task, error)
	Find(queryOptions map[string]interface{}) (int64, []*Task, error)
}

func (task *Task) Identify() interface{} {
	if task.TaskId == 0 {
		return nil
	}
	return task.TaskId
}

func (task *Task) Update(data map[string]interface{}) error {
	return task.CurrentStatus.Update(task, data)
}

func (task *Task) Release() error {
	return task.CurrentStatus.Release(task)
}

func (task *Task) Rob(receiver *EmployeeInfo) error {
	return task.CurrentStatus.Rob(task, receiver)
}

func (task *Task) Bib(bidder *EmployeeInfo) error {
	return task.CurrentStatus.Bib(task, bidder)
}

func (task *Task) ChooseSuccessfulBidder(successfulBidder *EmployeeInfo) error {
	return task.CurrentStatus.ChooseSuccessfulBidder(task, successfulBidder)
}

func (task *Task) ApplyComplete() error {
	return task.CurrentStatus.ApplyComplete(task)
}

func (task *Task) Off() error {
	return task.CurrentStatus.Off(task)
}

func (task *Task) Acceptance(participators []*EmployeeInfo, taskPercentage []*TaskPercentageItem, solveReport string, solvePictureUrls []string) error {
	return task.CurrentStatus.Acceptance(task, participators, taskPercentage, solveReport, solvePictureUrls)
}