package model

import (
	"aps_crm/constvar"
	"aps_crm/pkg/mysqlx"
	"errors"
	"fmt"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

type (
	// ServiceOrder 服务单
	ServiceOrder struct {
		Id              int           `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		ServiceNumber   string        `gorm:"column:service_number;type:varchar(255);not null;default:'';comment:'服务单编号'" json:"serviceNumber"` // 服务单编号
		ClientId        int           `gorm:"column:client_id;type:int;not null;default:0;comment:'客户id'" json:"clientId"`                      // 客户id
		Client          Client        `gorm:"foreignKey:ClientId"`
		ContractId      int           `gorm:"column:contract_id;type:int;not null;default:0;comment:'合同id'" json:"contractId"` // 合同id
		Contract        Contract      `gorm:"foreignKey:ContractId"`
		OrderId         int           `gorm:"column:order_id;type:int;not null;default:0;comment:'销售订单id'" json:"orderId"` // 销售订单id
		OrderManage     OrderManage   `gorm:"foreignKey:OrderId"`
		Subject         string        `gorm:"column:subject;type:varchar(255);not null;default:'';comment:'主题'" json:"subject"` // 主题
		ProductId       int           `gorm:"column:product_id;type:int;not null;default:0;comment:'产品id'" json:"productId"`    // 产品id
		Product         Product       `gorm:"foreignKey:ProductId"`
		ServiceTypeId   int           `gorm:"column:service_type_id;type:int;not null;default:0;comment:'服务方式id'" json:"serviceTypeId"` // 服务方式id
		ServiceType     ServiceType   `gorm:"foreignKey:ServiceTypeId"`
		ServiceManId    int           `gorm:"column:service_man_id;type:int;not null;default:0;comment:'服务人员'" json:"serviceManId"` // 服务人员
		ContactId       int           `gorm:"linkman_id" json:"contactId"`                                                          // 联系人id
		Contact         Contact       `gorm:"foreignKey:ContactId"`
		Address         string        `gorm:"column:address;type:varchar(255);not null;default:'';comment:'上门地址'" json:"address"`           // 上门地址
		PriorityLevelId int           `gorm:"column:priority_level_id;type:int;not null;default:0;comment:'优先级别id'" json:"priorityLevelId"` // 优先级别id
		PriorityLevel   PriorityLevel `gorm:"foreignKey:PriorityLevelId"`
		AppointmentTime string        `gorm:"appointment_time" json:"appointmentTime"`                                                // 预约上门时间
		SaleChanceId    int           `gorm:"column:sale_chance_id;type:int;not null;default:0;comment:'销售机会id'" json:"saleChanceId"` // 销售机会id
		SaleChance      SaleChance    `gorm:"foreignKey:SaleChanceId"`
		FaultTypeId     int           `gorm:"column:severity_id;type:int;not null;default:0;comment:'故障类别id'" json:"faultTypeId"` // 故障类别id
		FaultType       FaultType     `gorm:"foreignKey:FaultTypeId"`
		SeverityId      int           `gorm:"column:severity_id;type:int;not null;default:0;comment:'严重程度id'" json:"severity"` // 严重程度id
		Severity        Severity      `gorm:"foreignKey:SeverityId"`
		Status          int           `gorm:"status" json:"status"`                                                                        // 处理状态
		ExpectTime      string        `gorm:"column:expect_time;type:varchar(255);not null;default:'';comment:'希望处理时间'" json:"expectTime"` // 希望处理时间
		RealTime        string        `gorm:"column:real_time;type:varchar(255);not null;default:'';comment:'实际处理时间'" json:"realTime"`     // 实际处理时间
		CarFare         float64       `gorm:"car_fare" json:"carFare"`                                                                     // 交通费
		ChargeAmount    float64       `gorm:"charge_amount" json:"chargeAmount"`                                                           // 收费金额
		TimeSpentId     int           `gorm:"column:time_spent_id;type:int;not null;default:0;comment:'花费时间'" json:"timeSpentId"`          // 花费时间
		TimeSpent       TimeSpent     `gorm:"foreignKey:TimeSpentId"`
		FaqId           int           `gorm:"column:problem_id;type:int;not null;default:0;comment:'常见问题id'" json:"faqId"` // 常见问题id
		Faq             Faq           `gorm:"foreignKey:FaqId"`
		ProblemDesc     string        `gorm:"column:subject;type:varchar(255);not null;default:'';comment:'主题'problem_desc" json:"problemDesc"`  // 问题描述
		Solution        string        `gorm:"column:solution;type:varchar(255);not null;default:'';comment:'解决方法'" json:"solution"`              // 解决方法
		SolutionRemark  string        `gorm:"column:solution_remark;type:varchar(255);not null;default:'';comment:'内部备注'" json:"solutionRemark"` // 内部备注
		Remark          string        `gorm:"column:remark;type:varchar(255);not null;default:'';comment:'备注'" json:"remark"`                    // 备注
	}

	// ServiceOrderSearch 服务单搜索条件
	ServiceOrderSearch struct {
		ServiceOrder
		Orm         *gorm.DB
		QueryClass  constvar.ServiceOrderQueryClass
		KeywordType constvar.ServiceOrderKeywordType
		Keyword     string
		PageNum     int
		PageSize    int
		Preload     bool
	}
)

func (ServiceOrder) TableName() string {
	return "service_order"
}

func NewServiceOrderSearch() *ServiceOrderSearch {
	return &ServiceOrderSearch{
		Orm: mysqlx.GetDB(),
	}
}

func (slf *ServiceOrderSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&ServiceOrder{})
	if slf.Id != 0 {
		db = db.Where("id = ?", slf.Id)
	}
	if slf.Preload {
		db = db.
			Preload("Client").
			Preload("Contract").
			Preload("OrderManage").
			Preload("Product").
			Preload("ServiceType").
			Preload("Contact").
			Preload("SaleChance").
			Preload("PriorityLevel").
			Preload("Severity").
			Preload("Faq")
	}
	switch slf.KeywordType {
	case constvar.ServiceOrderKeywordClientName:
		db = db.Joins("Client", clause.LeftJoin).Where("Client.name like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordOrderNumber:
		db = db.Where("service_number = ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordSubject:
		db = db.Where("subject = ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordRealProcessTime:
		db = db.Where("real_time = ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordServiceMan:
		db = db.Joins("left join user on user.id = service_order.service_man_id").Where("user.username like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordServiceType:
		db = db.Joins("ServiceType", clause.LeftJoin).Where("ServiceType.name like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.ServiceOrderKeywordFaultType:
		db = db.Joins("FaultType", clause.LeftJoin).Where("FaultType.name like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	}

	return db
}

func (slf *ServiceOrderSearch) Create(record *ServiceOrder) error {
	var db = slf.build()
	return db.Create(record).Error
}

func (slf *ServiceOrderSearch) Delete() error {
	var db = slf.build()
	return db.Delete(&ServiceOrder{}).Error
}

func (slf *ServiceOrderSearch) Update(record *ServiceOrder) error {
	var db = slf.build()
	return db.Updates(record).Error
}

func (slf *ServiceOrderSearch) FindAll() ([]*ServiceOrder, error) {
	var db = slf.build()
	var record = make([]*ServiceOrder, 0)
	err := db.Find(&record).Error
	return record, err
}

func (slf *ServiceOrderSearch) SetId(id int) *ServiceOrderSearch {
	slf.Id = id
	return slf
}

func (slf *ServiceOrderSearch) SetPage(page, size int) *ServiceOrderSearch {
	slf.PageNum, slf.PageSize = page, size
	return slf
}

func (slf *ServiceOrderSearch) SetKeywordType(keyword constvar.ServiceOrderKeywordType) *ServiceOrderSearch {
	slf.KeywordType = keyword
	return slf
}

func (slf *ServiceOrderSearch) SetQueryClass(queryClass constvar.ServiceOrderQueryClass) *ServiceOrderSearch {
	slf.QueryClass = queryClass
	return slf
}

func (slf *ServiceOrderSearch) SetKeyword(keyword string) *ServiceOrderSearch {
	slf.Keyword = keyword
	return slf
}

func (slf *ServiceOrderSearch) SetPreload(preload bool) *ServiceOrderSearch {
	slf.Preload = preload
	return slf
}

func (slf *ServiceOrderSearch) First() (*ServiceOrder, error) {
	var db = slf.build()
	var record = new(ServiceOrder)
	err := db.First(record).Error
	return record, err
}

func (slf *ServiceOrderSearch) Updates(values interface{}) error {
	var db = slf.build()
	return db.Updates(values).Error
}

func (slf *ServiceOrderSearch) Save(record *ServiceOrder) error {
	if record.Id == 0 {
		return errors.New("id为空")
	}
	var db = slf.build()

	if err := db.Save(record).Error; err != nil {
		return fmt.Errorf("save err: %v, record: %+v", err, record)
	}

	return nil
}

func (slf *ServiceOrderSearch) Find() ([]*ServiceOrder, int64, error) {
	var db = slf.build()
	var records = make([]*ServiceOrder, 0)
	var total int64
	if err := db.Count(&total).Error; err != nil {
		return records, total, err
	}
	if slf.PageNum > 0 && slf.PageSize > 0 {
		db = db.Limit(slf.PageSize).Offset((slf.PageNum - 1) * slf.PageSize)
	}

	err := db.Find(&records).Error
	return records, total, err
}