//! OpenBrain MCP Server - High-performance vector memory for AI agents
//!
//! This is the main entry point for the OpenBrain MCP server.

use anyhow::Result;
use std::env;
use tracing::info;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};

use openbrain_mcp::{config::Config, db::Database, migrations, run_server};

#[tokio::main]
async fn main() -> Result<()> {
    // Initialize tracing
    tracing_subscriber::registry()
        .with(EnvFilter::try_from_default_env().unwrap_or_else(|_| "info".into()))
        .with(tracing_subscriber::fmt::layer())
        .init();

    info!(
        "Starting OpenBrain MCP Server v{}",
        env!("CARGO_PKG_VERSION")
    );

    // Load configuration
    let config = Config::load()?;
    info!("Configuration loaded from environment");

    match env::args().nth(1).as_deref() {
        Some("migrate") => {
            migrations::run(&config.database).await?;
            info!("Database migrations completed successfully");
            return Ok(());
        }
        Some(arg) => {
            anyhow::bail!("Unknown command: {arg}. Supported commands: migrate");
        }
        None => {}
    }

    // Initialize database connection pool
    let db = Database::new(&config.database).await?;
    info!("Database connection pool initialized");

    // Run the MCP server
    run_server(config, db).await?;

    Ok(())
}