package model

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

type (
	// SalesDetailsProduct 销售明细和产品关联
	SalesDetailsProduct struct {
		SalesDetailsId int  `json:"id" gorm:"column:sales_details_id;type:int;primary_key;not null;default:0"`
		ProductId      uint `json:"name" gorm:"primary_key;column:product_id;type:int;not null;default:0;comment:产品id"`
	}

	// SalesDetailsProductSearch 销售明细和产品关联搜索条件
	SalesDetailsProductSearch struct {
		SalesDetailsProduct
		Orm         *gorm.DB
		QueryClass  constvar.SalesDetailsProductQueryClass
		KeywordType constvar.SalesDetailsProductKeywordType
		Keyword     string
		PageNum     int
		PageSize    int
		ProductIds  []uint
	}
)

func (SalesDetailsProduct) TableName() string {
	return "sales_details_product"
}

func NewSalesDetailsProductSearch() *SalesDetailsProductSearch {
	return &SalesDetailsProductSearch{
		Orm: mysqlx.GetDB(),
	}
}

func (slf *SalesDetailsProductSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&SalesDetailsProduct{})
	if len(slf.ProductIds) > 0 {
		db = db.Where("product_id in (?)", slf.ProductIds)
	}
	if slf.SalesDetailsId != 0 {
		db = db.Where("sales_details_id = ?", slf.SalesDetailsId)
	}

	return db
}

func (slf *SalesDetailsProductSearch) SetProductIds(ids []uint) *SalesDetailsProductSearch {
	slf.ProductIds = ids
	return slf
}

func (slf *SalesDetailsProductSearch) SetSalesDetailsId(id int) *SalesDetailsProductSearch {
	slf.SalesDetailsId = id
	return slf
}

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

func (slf *SalesDetailsProductSearch) CreateBatch(records []*SalesDetailsProduct) error {
	var db = slf.build()
	return db.Create(records).Error
}

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

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

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

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

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

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

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

func (slf *SalesDetailsProductSearch) Save(record *SalesDetailsProduct) error {
	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 *SalesDetailsProductSearch) Find() ([]*SalesDetailsProduct, int64, error) {
	var db = slf.build()
	var records = make([]*SalesDetailsProduct, 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
}

// InitDefaultData 初始化数据
func (slf *SalesDetailsProductSearch) InitDefaultData() error {
	var (
		db          = slf.Orm.Table(slf.TableName())
		total int64 = 0
	)
	if err := db.Count(&total).Error; err != nil {
		return err
	}
	if total != 0 {
		return nil
	}
	records := []*SalesDetailsProduct{}
	return slf.CreateBatch(records)
}