use sqlx::PgPool;

#[derive(Clone)]
pub struct AppState {
    pub db: PgPool,
    pub redis: redis::aio::ConnectionManager,
    pub config: crate::config::Config,
}

pub async fn build_state(config: &crate::config::Config) -> anyhow::Result<AppState> {
    let db = PgPool::connect(&config.database_url).await?;
    assemble(config.clone(), db).await
}

/// Build state from an already-open pool (migrate + serve share one pool).
pub async fn assemble(config: crate::config::Config, db: PgPool) -> anyhow::Result<AppState> {
    let client = redis::Client::open(config.redis_url.clone())?;
    let redis = redis::aio::ConnectionManager::new(client).await?;
    Ok(AppState { db, redis, config })
}