package schema

import (
	"time"

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

// Permission holds the schema definition for the Permission entity.
type Permission struct {
	ent.Schema
}

func (Permission) Annotations() []schema.Annotation {
	return []schema.Annotation{
		entsql.Annotation{Table: "permission"},
		entsql.WithComments(true),
	}
}

// Fields of the Permission.
func (Permission) Fields() []ent.Field {
	return []ent.Field{
		field.Int("id").Positive(),
		field.String("name").MaxLen(20).NotEmpty().Comment("权限名称"),
		field.String("code").MaxLen(40).NotEmpty().Comment("权限代码"),
		field.Int("parentId").Optional().Nillable().Comment("父权限ID"),
		field.String("sort").Default("0").Comment("排序号"),
		field.Bool("isMenu").Default(false).Comment("是否菜单"),
		field.String("description").MaxLen(60).Optional().Comment("权限描述"),
		field.Time("createdAt").Default(time.Now).Immutable().Comment("创建时间"), // 创建时间
	}
}

// Edges of the Permission.
func (Permission) Edges() []ent.Edge {
	return []ent.Edge{
		edge.From("roles", Role.Type).Ref("permissions"),
		edge.To("apis", Api.Type),
		edge.To("children", Permission.Type).
			From("parent").
			Field("parentId").
			Unique(),
	}
}