package model

import (
	"aps_crm/constvar"
	"aps_crm/pkg/mysqlx"
	"fmt"
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

type (
	SalesDetails struct {
		Id                  int               `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		ClientId            int               `json:"clientId" gorm:"column:client_id;type:int;comment:客户id"`
		Client              Client            `json:"client" gorm:"foreignKey:ClientId"`
		Number              string            `json:"number" gorm:"column:number;type:varchar(255);comment:销售子单号"`
		SaleChanceId        int               `json:"saleChanceId" gorm:"column:sale_chance_id;type:int;comment:销售机会id"`
		SaleChance          SaleChance        `json:"saleChance" gorm:"foreignKey:SaleChanceId"`
		SaleType            int               `json:"saleType" gorm:"column:sale_type;type:int;comment:销售类型"`
		SignTime            string            `json:"signTime" gorm:"column:sign_time;type:varchar(255);comment:签单时间"`
		MemberId            int               `json:"memberId" gorm:"column:member_id;type:int;comment:负责人id"`
		DeliveryDate        string            `json:"deliveryDate" gorm:"column:delivery_date;type:varchar(255);comment:交货日期"`
		WechatOrderStatusId int               `json:"wechatOrderStatusId" gorm:"column:wechat_order_status;type:int;comment:微信订单状态"`
		WechatOrderStatus   WechatOrderStatus `json:"wechatOrderStatus" gorm:"foreignKey:WechatOrderStatusId"`
		Address             string            `json:"address" gorm:"column:address;type:varchar(255);comment:地址"`
		Phone               string            `json:"phone" gorm:"column:phone;type:varchar(255);comment:电话"`
		Addressee           string            `json:"addressee" gorm:"column:addressee;type:varchar(255);comment:收件人"`
		Conditions          string            `json:"conditions" gorm:"column:conditions;type:text;comment:条件"`
		Remark              string            `json:"remark" gorm:"column:remark;type:text;comment:备注"`
		Products            []Product         `json:"products" gorm:"many2many:sales_details_product;"`
		LogisticCompany     string            `json:"logisticCompany" gorm:"column:logistic_company;type:varchar(255);comment:物流公司"`
		LogisticNumber      string            `json:"logisticNumber" gorm:"column:logistic_number;type:varchar(255);comment:物流单号"`
		LogisticCost        float64           `json:"logisticCost" gorm:"column:logistic_cost;type:decimal(10,2);comment:物流费用"`
		AmountReceivable    decimal.Decimal   `gorm:"amount_receivable" json:"amountReceivable"` // 应收金额
		AmountReceived      decimal.Decimal   `gorm:"amount_received" json:"amountReceived"`     // 已收金额
		AmountInvoiced      decimal.Decimal   `gorm:"amount_invoiced" json:"amountInvoiced"`     // 已开票金额
		AmountUnInvoiced    decimal.Decimal   `gorm:"-" json:"amountUnInvoiced"`                 // 未开票金额
		gorm.Model          `json:"-"`
	}

	SalesDetailsSearch struct {
		SalesDetails
		KeywordType constvar.SalesDetailsKeywordType
		Orm         *gorm.DB
		Keyword     string
		OrderBy     string
		PageNum     int
		PageSize    int
		Preload     bool
	}
)

func (SalesDetails) TableName() string {
	return "sales_details"
}

func NewSalesDetailsSearch() *SalesDetailsSearch {
	return &SalesDetailsSearch{
		Orm: mysqlx.GetDB(),
	}
}

func (slf *SalesDetailsSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&SalesDetails{})
	if slf.Id != 0 {
		db = db.Where("id = ?", slf.Id)
	}

	switch slf.KeywordType {
	case constvar.SalesDetailsKeywordTypeCustomerName:
		db = db.Joins("Client", clause.LeftJoin).Where("Client.name like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.SalesDetailsKeywordTypeOrderNumber:
		db = db.Where("number like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.SalesDetailsKeywordTypeSignTime:
		db = db.Where("sign_time like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.SalesDetailsKeywordTypePrincipal:
		db = db.Joins("left join user on user.id = sales_details.member_id").Where("user.username like ?", fmt.Sprintf("%%%s%%", slf.Keyword))
	case constvar.SalesDetailsKeywordTypeProductName:
		db = db.Joins("left join sales_details_product sdp on sdp.sales_details_id = sales_details.id left join products on sdp.product_id = products.id").Where("products.name like ?", fmt.Sprintf("%%%s%%", slf.Keyword))

	}
	if slf.Preload {
		db = db.Preload("Products").
			Preload("Client").
			Preload("SaleChance").
			Preload("WechatOrderStatus").
			Preload("Client")
	}

	return db
}

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

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

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

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

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

func (slf *SalesDetailsSearch) FindAll() ([]*SalesDetails, int64, error) {
	var db = slf.build()
	var records = make([]*SalesDetails, 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)
	}

	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
}

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

func (slf *SalesDetailsSearch) SetKeywordType(keywordType constvar.SalesDetailsKeywordType) *SalesDetailsSearch {
	slf.KeywordType = keywordType
	return slf
}

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

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

func (slf *SalesDetailsSearch) SetOrder(order string) *SalesDetailsSearch {
	slf.OrderBy = order
	return slf
}