package schema

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

// StocktakeOrder 盘点单：发起时冻结当时库存快照（明细行）
type StocktakeOrder struct {
	ent.Schema
}

func (StocktakeOrder) Fields() []ent.Field {
	return []ent.Field{
		field.String("stocktake_no").Unique().Comment("盘点单号"),
		field.String("status").Default("进行中").Comment("进行中/已完成"),
		field.String("operator").Optional().Comment("发起人"),
		field.Int("total_targets").Default(0).Comment("快照目标数"),
		field.Int64("created_at").DefaultFunc(nowUnix),
		field.Int64("finished_at").Optional().Comment("完成时间"),
	}
}

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

// StocktakeItem 盘点明细（发起时的账面快照 + 扫码实盘数）
type StocktakeItem struct {
	ent.Schema
}

func (StocktakeItem) Fields() []ent.Field {
	return []ent.Field{
		field.String("stocktake_no").Comment("所属盘点单号"),
		field.String("target_type").Comment("BATCH/SN"),
		field.String("target_id").Comment("批次号或SN码"),
		field.String("material_code").Optional(),
		field.String("zone_code").Optional().Comment("所在区域"),
		field.Int("book_qty").Default(0).Comment("账面数量"),
		field.Int("scanned_qty").Default(-1).Comment("实盘数量，-1=未盘"),
		field.Int("diff_qty").Default(0).Comment("差异 = 实盘 - 账面"),
		field.Bool("counted").Default(false).Comment("是否已扫码"),
		field.Int64("updated_at").DefaultFunc(nowUnix),
	}
}

func (StocktakeItem) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("stocktake_no"),
		index.Fields("target_id"),
	}
}