package service

import (
	"apsClient/model"
	"apsClient/model/response"
	"apsClient/pkg/ecode"
	"gorm.io/gorm"
	"time"
)

type TaskService struct {
}

func NewTaskService() *TaskService {
	return &TaskService{}
}

// GetTask 获取任务，未完成的开始时间最早的任务
func (slf TaskService) GetTask() (taskData *response.TaskData, code int) {
	nowTs := time.Now().Unix()
	orderSearch := model.NewOrderSearch(nil)
	orderSearch.SetOrder("start_time asc").
		SetStartTimeMax(nowTs).
		SetStatusList([]model.OrderStatus{model.OrderStatusWaitProcess, model.OrderStatusProcessing})
	var (
		err   error
		order *model.Order
	)
	order, err = orderSearch.First() //先取进行中的任务
	if err == gorm.ErrRecordNotFound {
		err = nil
		return nil, ecode.OK
	}
	if err != nil {
		return nil, ecode.DBErr
	}
	procedure, err := model.NewProceduresSearch(nil).SetOrder("start_time asc").
		SetWorkOrderId(order.WorkOrderID).
		SetStartTimeMax(nowTs).
		SetStatusNot(model.ProcedureStatusFinished).
		First()
	if err == gorm.ErrRecordNotFound { //该订单本设备全部工序完成，把订单置为完成状态（只是对本设备完成）
		err = nil
		err = model.NewOrderSearch(nil).SetWorkOrderId(order.WorkOrderID).UpdateByMap(map[string]interface{}{
			"status": model.OrderStatusFinished,
		})
		if err != nil {
			return nil, ecode.DBErr
		}
		return slf.GetTask() //当前订单已完成，继续查询未完成订单
	}
	if err != nil {
		return nil, ecode.DBErr
	}
	taskData = new(response.TaskData)
	taskData.Order = order
	taskData.Procedure = procedure
	return taskData, ecode.OK
}

func (slf TaskService) GetProcedureById(id int) (*model.Procedures, int) {
	procedure, err := model.NewProceduresSearch(nil).SetId(id).First()
	if err != nil {
		return nil, ecode.DBErr
	}
	return procedure, ecode.OK
}

func (slf TaskService) UpdateProcedureStatus(db *gorm.DB, id int, status model.ProcedureStatus) error {
	return model.NewProceduresSearch(db).SetId(id).UpdateByMap(map[string]interface{}{
		"status": status,
	})
}

func (slf TaskService) UpdateOrderStatus(db *gorm.DB, id uint, status model.OrderStatus) error {
	return model.NewOrderSearch(db).SetId(id).UpdateByMap(map[string]interface{}{
		"status": status,
	})
}

func (slf TaskService) GetOrderByWorkOrderId(workOrderId string) (order *model.Order, err error) {
	return model.NewOrderSearch(nil).SetWorkOrderId(workOrderId).First()
}

// GetCurrentTask 获取待完成或进行中的任务， 每个工单只有一个工序
func (slf TaskService) GetCurrentTask() (workOrder *model.Order, err error) {
	nowTs := time.Now().Unix()
	orderSearch := model.NewOrderSearch(nil)
	return orderSearch.SetOrder("start_time asc").
		SetStartTimeMin(nowTs).
		SetStatusList([]model.OrderStatus{model.OrderStatusWaitProcess, model.OrderStatusProcessing}).First()
}