use room::ws_context::WsUserContext;
use uuid::Uuid;

use crate::error::AppTransportError;
use crate::event::{category, rooms};
use crate::handler::session::TransportSession;
use crate::handler::types::WsOutEvent;

pub(crate) async fn room_get(
    session: &TransportSession,
    room: models::RoomId,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .require_room_access(room, ctx.user_id)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "require_room_access failed");
            AppTransportError::Internal
        })?;
    let rm = session
        .service
        .room
        .find_room_or_404(room)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "find_room failed");
            AppTransportError::Internal
        })?;
    Ok(Some(WsOutEvent::RoomCreated {
        room_id: rm.id,
        data: rooms::RoomCreatedService {
            id: rm.id,
            project: rm.project,
            room_name: rm.room_name,
            public: rm.public,
            category: rm.category,
            created_by: rm.created_by,
            created_at: rm.created_at,
        },
    }))
}

pub(crate) async fn room_create(
    session: &TransportSession,
    project: models::ProjectId,
    room_name: String,
    public: bool,
    category: Option<Uuid>,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    let rm = session
        .service
        .room
        .room_create(
            project.to_string(),
            room::RoomCreateRequest {
                room_name,
                public,
                category,
            },
            &ctx,
        )
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_create failed");
            AppTransportError::Internal
        })?;
    Ok(Some(WsOutEvent::RoomCreated {
        room_id: rm.id,
        data: rooms::RoomCreatedService {
            id: rm.id,
            project,
            room_name: rm.room_name,
            public: rm.public,
            category,
            created_by: session.user.user_id,
            created_at: rm.created_at,
        },
    }))
}

pub(crate) async fn room_update(
    session: &TransportSession,
    room: models::RoomId,
    room_name: Option<String>,
    public: Option<bool>,
    category: Option<Uuid>,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_update(
            room,
            room::RoomUpdateRequest {
                room_name,
                public,
                category,
            },
            &ctx,
        )
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_update failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}

pub(crate) async fn room_delete(
    session: &TransportSession,
    room: models::RoomId,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_delete(room, &ctx)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_delete failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}

pub(crate) async fn category_create(
    session: &TransportSession,
    project: models::ProjectId,
    name: String,
    position: Option<i32>,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    let cat = session
        .service
        .room
        .room_category_create(
            project.to_string(),
            room::RoomCategoryCreateRequest { name, position },
            &ctx,
        )
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_category_create failed");
            AppTransportError::Internal
        })?;
    Ok(Some(WsOutEvent::CategoryCreated {
        project,
        data: category::CategoryCreatedService {
            id: cat.id,
            project,
            name: cat.name,
            position: cat.position,
            created_by: session.user.user_id,
            created_at: cat.created_at,
        },
    }))
}

pub(crate) async fn category_update(
    session: &TransportSession,
    id: Uuid,
    name: Option<String>,
    position: Option<i32>,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_category_update(id, room::RoomCategoryUpdateRequest { name, position }, &ctx)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_category_update failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}

pub(crate) async fn category_delete(
    session: &TransportSession,
    id: Uuid,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_category_delete(id, &ctx)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_category_delete failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}

pub(crate) async fn access_grant(
    session: &TransportSession,
    room: models::RoomId,
    user: models::UserId,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_access_grant(room, user, &ctx)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_access_grant failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}

pub(crate) async fn access_revoke(
    session: &TransportSession,
    room: models::RoomId,
    user: models::UserId,
) -> Result<Option<WsOutEvent>, AppTransportError> {
    let ctx = WsUserContext::new(session.user.user_id);
    session
        .service
        .room
        .room_access_revoke(room, user, &ctx)
        .await
        .map_err(|e| {
            tracing::warn!(error = %e, "room_access_revoke failed");
            AppTransportError::Internal
        })?;
    Ok(None)
}