package schema

import (
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect"
	"entgo.io/ent/dialect/entsql"
	"entgo.io/ent/schema"
	"entgo.io/ent/schema/field"
	"entgo.io/ent/schema/index"
)

// EventLog 操作日志：必须含 workOrderNo(工单号)、operator(操作人)
type EventLog struct {
	ent.Schema
}

func (EventLog) Annotations() []schema.Annotation {
	return []schema.Annotation{entsql.Annotation{Table: "event_log"}}
}

func (EventLog) Fields() []ent.Field {
	return []ent.Field{
		field.Int("id").Positive(),
		field.String("eventType").MaxLen(50).Comment("事件类型，如 work.order.create"),
		field.String("workOrderNo").MaxLen(64).Default("").Comment("关联工单号"),
		field.String("operator").MaxLen(64).Default("").Comment("操作人"),
		field.String("entityType").Default("").MaxLen(30).Comment("实体类型"),
		field.String("entityId").Default("").MaxLen(50).Comment("实体标识"),
		field.Text("description").Default("").Comment("描述"),
		field.JSON("payload", map[string]any{}).Optional().SchemaType(map[string]string{
			dialect.Postgres: "jsonb",
		}).Comment("载荷"),
		field.Time("createdAt").Default(time.Now).Immutable().Comment("创建时间"),
	}
}

func (EventLog) Indexes() []ent.Index {
	return []ent.Index{
		index.Fields("eventType"),
		index.Fields("workOrderNo"),
		index.Fields("operator"),
		index.Fields("createdAt"),
	}
}