package storage

import (
	v2 "gitea.timerzz.com/kedaya_haitao/common/structs/v2"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

// ProviderArticleApi 管理供应商商品的接口
type ProviderArticleApi interface {
	Get(query GetProviderArticleQuery) (article v2.ProviderArticle, err error)
	Upsert(article v2.ProviderArticle) error
}

type providerArticleApi struct {
	db *gorm.DB
}

func NewProviderArticleApi(db *gorm.DB) ProviderArticleApi {
	return &providerArticleApi{db: db}
}

type GetProviderArticleQuery struct {
	ID         uint   `query:"id"`
	Brand      string `query:"brand"`
	Pid        string `query:"pid"`
	ProviderId string `query:"providerId"`
	SkuId      string `query:"skuId"`
}

func (g *GetProviderArticleQuery) Scope(db *gorm.DB) *gorm.DB {
	if g.ID > 0 {
		db = db.Where("id=?", g.ID)
	}
	if g.Brand != "" {
		db = db.Where("brand=?", g.Brand)
	}
	if g.Pid != "" {
		db = db.Where("pid=?", g.Pid)
	}
	if g.ProviderId != "" {
		db = db.Where("provider_id=?", g.ProviderId)
	}
	if g.SkuId != "" {
		db = db.Where("sku_id=?", g.SkuId)
	}
	return db
}

func (p *providerArticleApi) Get(query GetProviderArticleQuery) (article v2.ProviderArticle, err error) {
	err = p.db.Scopes(query.Scope).Preload("CalculateProcess").First(&article).Error
	return
}

func (p *providerArticleApi) Upsert(article v2.ProviderArticle) error {
	return p.db.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "provider_id"}, {Name: "sku_id"}},
		DoUpdates: clause.AssignmentColumns([]string{"cost"}),
	}).Create(&article).Error
}