mod data;

pub(crate) use data::Data;

use ruma::{
    events::{AnyEphemeralRoomEvent, RoomAccountDataEventType},
    serde::Raw,
    RoomId, UserId,
};

use std::collections::HashMap;

use crate::Result;

pub struct Service {
    pub db: &'static dyn Data,
}

impl Service {
    /// Places one event in the account data of the user and removes the previous entry.
    #[tracing::instrument(skip(self, room_id, user_id, event_type, data))]
    pub fn update(
        &self,
        room_id: Option<&RoomId>,
        user_id: &UserId,
        event_type: RoomAccountDataEventType,
        data: &serde_json::Value,
    ) -> Result<()> {
        self.db.update(room_id, user_id, event_type, data)
    }

    /// Searches the account data for a specific kind.
    #[tracing::instrument(skip(self, room_id, user_id, event_type))]
    pub fn get(
        &self,
        room_id: Option<&RoomId>,
        user_id: &UserId,
        event_type: RoomAccountDataEventType,
    ) -> Result<Option<Box<serde_json::value::RawValue>>> {
        self.db.get(room_id, user_id, event_type)
    }

    /// Returns all changes to the account data that happened after `since`.
    #[tracing::instrument(skip(self, room_id, user_id, since))]
    pub fn changes_since(
        &self,
        room_id: Option<&RoomId>,
        user_id: &UserId,
        since: u64,
    ) -> Result<HashMap<RoomAccountDataEventType, Raw<AnyEphemeralRoomEvent>>> {
        self.db.changes_since(room_id, user_id, since)
    }
}