use sqlx::{Pool, Postgres, migrate::MigrateError, postgres::PgPoolOptions};

use crate::errors::AppError;

pub async fn init(db_url: &str) -> Result<Pool<Postgres>, AppError> {
    let db = PgPoolOptions::new()
        .connect(db_url)
        .await
        .map_err(AppError::DbConnect)?;

    sqlx::migrate!("./migrations")
        .run(&db)
        .await
        .map_err(|e: MigrateError| AppError::InvalidConfig(format!("Migration failed: {}", e)))?;

    tracing::info!("Migration completed successfully");

    Ok(db)
}