package models

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

type (
	LocationProductAmount struct {
		WmsModel
		Id                int             `json:"id"  gorm:"column:id;primary_key;AUTO_INCREMENT"`
		LocationProductId int             `json:"locationProductId" gorm:"type:int;not null;comment:上架规则id"` //上架规则id
		LocationProduct   LocationProduct `json:"locationProduct" gorm:"foreignKey:LocationProductId;references:Id"`
		Amount            decimal.Decimal `json:"amount" gorm:"type:decimal(20,2);not null;comment:库存数量"` //库存数量
		CreateDate        string          `json:"createDate" gorm:"type:varchar(63);comment:日期"`          //日期
	}

	LocationProductAmountSearch struct {
		LocationProductAmount
		Order    string
		PageNum  int
		PageSize int
		Keyword  string
		Orm      *gorm.DB
		Preload  bool
	}

	LocationProductAmountWithOperation struct {
		//LocationProductAmount LocationProductAmount `json:"locationProductAmount"`
		LocationProductAmountId int                      `json:"locationProductAmountId" gorm:"location_product_amount_id"`
		LocationId              int                      `json:"locationId" gorm:"column:location_id"`
		LocationName            string                   `json:"locationName" gorm:"column:location_name"`
		ProductId               string                   `json:"productId" gorm:"column:product_id"`
		ProductName             string                   `json:"productName" gorm:"column:product_name"`
		Amount                  decimal.Decimal          `json:"amount" gorm:"column:amount"`
		Unit                    string                   `json:"unit" gorm:"column:unit"`
		CreateDate              string                   `json:"createDate" gorm:"column:create_date"`
		AdjustAmount            decimal.Decimal          `json:"adjustAmount" gorm:"column:adjust_amount"`
		DifferenceAmount        decimal.Decimal          `json:"differenceAmount" gorm:"-"`
		OperationId             int                      `json:"operationId" gorm:"column:operation_id"`
		Status                  constvar.OperationStatus `json:"status" gorm:"status"`
	}
)

func (slf *LocationProductAmount) TableName() string {
	return "wms_location_product_amount"
}

func NewLocationProductAmountSearch() *LocationProductAmountSearch {
	return &LocationProductAmountSearch{Orm: mysqlx.GetDB()}
}

func (slf *LocationProductAmountSearch) SetOrm(tx *gorm.DB) *LocationProductAmountSearch {
	slf.Orm = tx
	return slf
}

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

func (slf *LocationProductAmountSearch) SetOrder(order string) *LocationProductAmountSearch {
	slf.Order = order
	return slf
}

func (slf *LocationProductAmountSearch) SetID(id int) *LocationProductAmountSearch {
	slf.Id = id
	return slf
}

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

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

func (slf *LocationProductAmountSearch) SetLocationProductId(id int) *LocationProductAmountSearch {
	slf.LocationProductId = id
	return slf
}

func (slf *LocationProductAmountSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&LocationProductAmount{})

	if slf.Id != 0 {
		db = db.Where("id = ?", slf.Id)
	}
	if slf.Order != "" {
		db = db.Order(slf.Order)
	}

	if slf.Keyword != "" {
		db = db.Where("product_name like ?", fmt.Sprintf("%%%v%%", slf.Keyword))
	}

	if slf.Preload {
		db = db.Model(&LocationProductAmount{}).Preload("LocationProduct").Preload("LocationProduct.Location").Preload("LocationProduct.Product")
	}
	if slf.LocationProductId != 0 {
		db = db.Where("location_product_id=?", slf.LocationProductId)
	}

	return db
}

// Create 单条插入
func (slf *LocationProductAmountSearch) Create(record *LocationProductAmount) error {
	var db = slf.build()

	if err := db.Create(record).Error; err != nil {
		return err
	}

	return nil
}

// CreateBatch 批量插入
func (slf *LocationProductAmountSearch) CreateBatch(records []*LocationProductAmount) error {
	var db = slf.build()

	if err := db.Create(&records).Error; err != nil {
		return fmt.Errorf("create batch err: %v, records: %+v", err, records)
	}

	return nil
}

func (slf *LocationProductAmountSearch) Update(record *LocationProductAmount) error {
	var db = slf.build()

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

	return nil
}

func (slf *LocationProductAmountSearch) Delete() error {
	var db = slf.build()
	return db.Unscoped().Delete(&LocationProductAmount{}).Error
}

func (slf *LocationProductAmountSearch) First() (*LocationProductAmount, error) {
	var (
		record = new(LocationProductAmount)
		db     = slf.build()
	)

	if err := db.First(record).Error; err != nil {
		return record, err
	}

	return record, nil
}

func (slf *LocationProductAmountSearch) FindByPage() ([]*LocationProductAmount, int64, error) {
	var (
		records = make([]*LocationProductAmount, 0)
		total   int64
		db      = slf.build()
	)

	if err := db.Count(&total).Error; err != nil {
		return records, total, fmt.Errorf("find count err: %v", err)
	}
	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, total, fmt.Errorf("find records err: %v", err)
	}

	return records, total, nil
}

func (slf *LocationProductAmountSearch) Find() ([]*LocationProductAmount, error) {
	var (
		records = make([]*LocationProductAmount, 0)
		db      = slf.build()
	)

	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find records err: %v", err)
	}

	return records, nil
}