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"`
		LocationId        int             `json:"locationId" gorm:"type:int;not null;comment:位置id"` //位置id
		Location          Location        `json:"location" gorm:"foreignKey:LocationId;references:id"`
		ProductCategoryID int             `json:"productCategoryId" gorm:"type:int;not null;comment:产品种类id"` //产品种类id
		ProductCategory   ProductCategory `json:"productCategory" gorm:"foreignKey:ProductCategoryID;references:Id"`
		ProductId         string          `json:"productId" gorm:"type:varchar(191);not null;comment:产品id"` //产品id
		Product           Material        `json:"product" gorm:"foreignKey:ProductId;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
		//LocationProductIds []int
		LocationIds []int
		ProductIds  []string
		Ids         []int
		Query       string
	}

	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"`
		AmountMoreUnits         []UnitItems                `json:"amountMoreUnits" gorm:"-"` //在库数量多单位
		Unit                    string                     `json:"unit" gorm:"column:unit"`
		CreateDate              string                     `json:"createDate" gorm:"column:create_date"`
		AdjustAmount            decimal.Decimal            `json:"adjustAmount" gorm:"column:adjust_amount"` //差值
		DifferenceAmount        decimal.Decimal            `json:"differenceAmount" gorm:"-"`                //计数数量
		OperationId             int                        `json:"operationId" gorm:"column:operation_id"`
		Status                  constvar.OperationStatus   `json:"status" gorm:"status"`
		BaseOperationType       constvar.BaseOperationType `json:"baseOperationType" gorm:"base_operation_type"`
		Weight                  decimal.Decimal            `gorm:"type:decimal(20,3);comment:重量" json:"weight"` //重量
	}
)

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) SetIds(ids []int) *LocationProductAmountSearch {
	slf.Ids = ids
	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) SetProductId(productId string) *LocationProductAmountSearch {
	slf.ProductId = productId
	return slf
}

func (slf *LocationProductAmountSearch) SetLocationId(locationId int) *LocationProductAmountSearch {
	slf.LocationId = locationId
	return slf
}

func (slf *LocationProductAmountSearch) SetProductIds(ids []string) *LocationProductAmountSearch {
	slf.ProductIds = ids
	return slf
}

func (slf *LocationProductAmountSearch) SetLocationIds(ids []int) *LocationProductAmountSearch {
	slf.LocationIds = ids
	return slf
}

func (slf *LocationProductAmountSearch) SetQuery(query string) *LocationProductAmountSearch {
	slf.Query = query
	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.Joins("left join wms_location on wms_location_product_amount.location_id = wms_location.id").
			Joins("left join material on wms_location_product_amount.product_id = material.id").
			Joins("left join wms_product_category on wms_location_product_amount.product_category_id = wms_product_category.id").
			Where("wms_location.name like ?", "%"+slf.Keyword+"%").Or("material.name like ?", "%"+slf.Keyword+"%").
			Or("wms_product_category.name like ?", "%"+slf.Keyword+"%")
	}

	if slf.Preload {
		db = db.Model(&LocationProductAmount{}).Preload("Location").Preload("Product").Preload("ProductCategory")
	}
	//if slf.LocationProductId != 0 {
	//	db = db.Where("location_product_id=?", slf.LocationProductId)
	//}
	if len(slf.ProductIds) > 0 {
		db = db.Where("product_id in (?)", slf.ProductIds)
	}

	if len(slf.LocationIds) > 0 {
		db = db.Where("location_id in (?)", slf.LocationIds)
	}

	if slf.LocationId != 0 {
		db = db.Where("location_id = ?", slf.LocationId)
	}

	if slf.ProductId != "" {
		db = db.Where("product_id=?", slf.ProductId)
	}

	if len(slf.Ids) > 0 {
		db = db.Where("id in (?)", slf.Ids)
	}

	if slf.Query != "" {
		db = db.Where(slf.Query)
	}

	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 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, fmt.Errorf("find records err: %v", err)
	}

	return records, nil
}

func (slf *LocationProductAmountSearch) FirstRes() (*LocationProductAmount, *gorm.DB) {
	var (
		record = new(LocationProductAmount)
		db     = slf.build()
	)

	return record, db.First(&record)
}

func (slf *LocationProductAmountSearch) Count() (int64, error) {
	var (
		total int64
		db    = slf.build()
	)
	err := db.Count(&total).Error
	return total, err
}

func (slf *LocationProductAmountSearch) UpdateByMap(upMap map[string]interface{}) error {
	var (
		db = slf.build()
	)

	if err := db.Updates(upMap).Error; err != nil {
		return fmt.Errorf("update by map err: %v, upMap: %+v", err, upMap)
	}

	return nil
}

func (slf *LocationProductAmountSearch) GroupCount(field string) ([]*GroupCount, error) {
	var (
		db     = slf.build()
		result = make([]*GroupCount, 0)
	)
	if err := db.Select("count(*) as total, " + field + " as class").Group(field).Scan(&result).Error; err != nil {
		return nil, fmt.Errorf("select group err: %v", err)
	}
	return result, nil
}

func (slf *LocationProductAmountSearch) GroupSum(groupField string, sumField string) ([]*GroupSum, error) {
	var (
		db     = slf.build()
		result = make([]*GroupSum, 0)
	)
	if err := db.Select("sum(" + sumField + ") as sum, " + groupField + " as class").Group(groupField).Scan(&result).Error; err != nil {
		return nil, fmt.Errorf("select group err: %v", err)
	}
	return result, nil
}

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

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

	return nil
}