package model

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

type (
	// InvoiceProduct 合同产品
	InvoiceProduct struct {
		InvoiceId int `gorm:"invoice_id" json:"invoiceId"`
		ProductId int `gorm:"product_id" json:"productId"`
	}

	// InvoiceProductSearch 合同产品搜索条件
	InvoiceProductSearch struct {
		InvoiceProduct
		Orm        *gorm.DB
		Keyword    string
		PageNum    int
		PageSize   int
		ProductIds []uint
	}
)

func (InvoiceProduct) TableName() string {
	return "invoice_product"
}

func NewInvoiceProductSearch() *InvoiceProductSearch {
	return &InvoiceProductSearch{
		Orm: mysqlx.GetDB(),
	}
}

func (slf *InvoiceProductSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&InvoiceProduct{})
	if len(slf.ProductIds) != 0 {
		db = db.Where("product_id in ?", slf.ProductIds)
	}
	if slf.InvoiceId != 0 {
		db = db.Where("invoice_id = ?", slf.InvoiceId)
	}

	return db
}

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

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

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

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

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

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

func (slf *InvoiceProductSearch) SetInvoiceId(id int) *InvoiceProductSearch {
	slf.InvoiceId = id
	return slf
}

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

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

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

func (slf *InvoiceProductSearch) Find() ([]*InvoiceProduct, int64, error) {
	var db = slf.build()
	var records = make([]*InvoiceProduct, 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 *InvoiceProductSearch) 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 := []*InvoiceProduct{}
	return slf.CreateBatch(records)
}