use crate::{DateTimeUtc, RoomId, UserId};
use sea_orm::entity::prelude::*;
use serde::{Deserialize, Serialize};

/// Explicit access grant for private rooms.
/// Public rooms do not need rows here — project membership suffices.
#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Serialize, Deserialize)]
#[sea_orm(table_name = "room_access")]
pub struct Model {
    #[sea_orm(primary_key)]
    pub room: RoomId,
    #[sea_orm(primary_key)]
    pub user: UserId,
    pub granted_by: UserId,
    pub granted_at: DateTimeUtc,
}

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

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

impl ActiveModelBehavior for ActiveModel {}