mod chats;
mod messages;
mod sql;
mod users;

use crate::config::Config;
use buckets_core::{Config as BucketsConfig, DataManager as BucketsManager};
use oiseau::{execute, postgres::DataManager as OiseauManager, postgres::Result as PgResult};
use std::collections::HashMap;
use tetratto_core::{
    DataManager as TetrattoManager,
    config::Config as TetrattoConfig,
    model::{Error, Result},
};

#[derive(Clone)]
pub struct DataManager(
    pub OiseauManager<Config>,
    pub BucketsManager,
    pub TetrattoManager,
);

impl DataManager {
    /// Create a new [`DataManager`].
    pub async fn new(config: Config) -> PgResult<Self> {
        let buckets_manager = BucketsManager::new(BucketsConfig {
            directory: config.uploads_dir.clone(),
            bucket_defaults: HashMap::new(),
            database: config.database.clone(),
        })
        .await
        .expect("failed to create buckets manager");

        let tetratto_manager = TetrattoManager::new(TetrattoConfig::get_config())
            .await
            .expect("failed to create tetratto manager");

        Ok(Self(
            OiseauManager::new(config).await?,
            buckets_manager,
            tetratto_manager,
        ))
    }

    /// Initialize tables.
    pub async fn init(&self) -> Result<()> {
        let conn = match self.0.connect().await {
            Ok(c) => c,
            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
        };

        execute!(&conn, sql::CREATE_TABLE_CHATS).unwrap();
        execute!(&conn, sql::CREATE_TABLE_MESSAGES).unwrap();

        for x in sql::VERSION_MIGRATIONS.split(";") {
            execute!(&conn, x).unwrap();
        }

        Ok(())
    }
}