use sea_orm::entity::prelude::*;
use time::OffsetDateTime;
use toolkit_db::secure::Scopable;
use uuid::Uuid;

/// Per DESIGN.md: "No independent #[secure] — accessed through parent chat."
/// We derive `Scopable` with `no_owner`/`no_type` so the entity can pass through
/// the secure query pipeline with `AccessScope::allow_all()` for background workers.
#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel, Scopable)]
#[sea_orm(table_name = "thread_summaries")]
#[secure(tenant_col = "tenant_id", resource_col = "id", no_owner, no_type)]
pub struct Model {
    #[sea_orm(primary_key, auto_increment = false)]
    pub id: Uuid,
    pub tenant_id: Uuid,
    pub chat_id: Uuid,
    #[sea_orm(column_type = "Text")]
    pub summary_text: String,
    pub summarized_up_to_created_at: OffsetDateTime,
    pub summarized_up_to_message_id: Uuid,
    pub token_estimate: i32,
    pub created_at: OffsetDateTime,
    pub updated_at: OffsetDateTime,
}

#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
pub enum Relation {
    #[sea_orm(
        belongs_to = "super::chat::Entity",
        from = "Column::ChatId",
        to = "super::chat::Column::Id"
    )]
    Chat,
}

impl Related<super::chat::Entity> for Entity {
    fn to() -> RelationDef {
        Relation::Chat.def()
    }
}

impl ActiveModelBehavior for ActiveModel {}
