package schema

import (
	"entgo.io/ent"
	"entgo.io/ent/schema/field"
	"entgo.io/ent/schema/index"
)

// PackageBox 包装箱 ↔ SN 关联
type PackageBox struct {
	ent.Schema
}

func (PackageBox) Fields() []ent.Field {
	return []ent.Field{
		field.String("box_no").Unique().Comment("箱号"),
		// 关联 SN 列表（逗号分隔）或 JSON
		field.String("sn_list").Optional().Comment("箱内 SN 列表"),
		field.String("material_code").Optional().Comment("物料编码"),
		field.Int("quantity").Default(0).Comment("箱内数量"),
		field.String("operator").Optional().Comment("包装人"),
		field.String("remark").Optional().Comment("备注"),
		field.Int64("created_at").DefaultFunc(nowUnix),
	}
}

func (PackageBox) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("material_code"),
	}
}