package tables

import (
	"time"

	"git.x2erp.com/qdy/go-db/sqldef"
)

func init() {
	sqldef.AddRegistration(func(r *sqldef.Registry) {
		tb := sqldef.NewTable("dim_discount_rule", "折扣决策规则表").
			ID("rule_id", 32).Comment("规则ID，主键").End().
			String("category_id", 32).NotNull().Comment("品类ID").End().
			Int("season_month").NotNull().Comment("季节月份(3,5,7,9,11等)").End().
			Int("target_inventory_age").NotNull().Comment("目标库龄(天)").End().
			Int("recommended_discount").NotNull().Comment("推荐折扣(如70表示7折)").End().
			Int("expected_consumption").NotNull().Comment("预期消耗率(%)").End().
			Int("confidence_score").NotNull().Comment("置信度(%)").End().
			Date("effective_date").NotNull().Comment("生效日期").End().
			Date("expired_date").Comment("失效日期").End().
			Date("last_apply_date").Comment("最近应用日期").End().
			String("creator", 32).NotNull().Comment("创建人").End().
			DateTime("created_at").NotNull().Default("CURRENT_TIMESTAMP").Comment("创建时间").End()

		// 索引
		//tb.Index("idx_category_season", "category_id", "season_month").End().
		//	Index("idx_effective", "effective_date", "expired_date").End()

		r.RegisterTable(tb.Build())
	})
}

type DimDiscountRule struct {
	RuleID              string    `gorm:"column:rule_id;type:varchar(32);primaryKey;not null;comment:规则ID，主键"`
	CategoryID          string    `gorm:"column:category_id;type:varchar(32);not null;comment:品类ID"`
	SeasonMonth         int       `gorm:"column:season_month;type:int(2);not null;comment:季节月份"`
	TargetInventoryAge  int       `gorm:"column:target_inventory_age;type:int(4);not null;comment:目标库龄"`
	RecommendedDiscount int       `gorm:"column:recommended_discount;type:int(3);not null;comment:推荐折扣"`
	ExpectedConsumption int       `gorm:"column:expected_consumption;type:int(3);not null;comment:预期消耗率"`
	ConfidenceScore     int       `gorm:"column:confidence_score;type:int(3);not null;comment:置信度"`
	EffectiveDate       time.Time `gorm:"column:effective_date;type:date;not null;comment:生效日期"`
	ExpiredDate         time.Time `gorm:"column:expired_date;type:date;comment:失效日期"`
	LastApplyDate       time.Time `gorm:"column:last_apply_date;type:date;comment:最近应用日期"`
	Creator             string    `gorm:"column:creator;type:varchar(32);not null;comment:创建人"`
	CreatedAt           time.Time `gorm:"column:created_at;not null;default:CURRENT_TIMESTAMP;comment:创建时间"`
	TenantId            string    `gorm:"column:tenant_id;type:varchar(8);comment:租户ID"`
}

func (DimDiscountRule) TableName() string { return "dim_discount_rule" }