use sqlx::{postgres::PgPoolOptions, PgPool};

use crate::config::Config;

/// Type alias for the database connection pool
pub type DbPool = PgPool;

/// Initialize the database connection pool
pub async fn init_pool(config: &Config) -> Result<DbPool, sqlx::Error> {
    tracing::info!("Connecting to database...");

    let pool = PgPoolOptions::new()
        .max_connections(10)
        .min_connections(2)
        .acquire_timeout(std::time::Duration::from_secs(30))
        .connect(&config.database_url)
        .await?;

    tracing::info!("Database connection established");

    Ok(pool)
}

/// Run database migrations
pub async fn run_migrations(pool: &DbPool) -> Result<(), sqlx::migrate::MigrateError> {
    tracing::info!("Running database migrations...");

    sqlx::migrate!("./migrations").run(pool).await?;

    tracing::info!("Database migrations complete");

    Ok(())
}