mod app;
mod queries;
mod todo_list;
mod about;

use livevue_rs::{AppState, ConnectionManager, SubscriptionRegistry};
use std::sync::Arc;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // -----------------------------------------------------------------------
    // Database setup
    // -----------------------------------------------------------------------

    // SQLite with create-if-missing. In-memory `:memory:` also works for dev.
    let db = sqlx::SqlitePool::connect("sqlite:todo.db?mode=rwc").await?;

    // Run migrations inline (no migration files needed for v0).
    sqlx::query(
        "CREATE TABLE IF NOT EXISTS todos (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            title TEXT NOT NULL,
            completed BOOLEAN NOT NULL DEFAULT FALSE
        )",
    )
    .execute(&db)
    .await?;

    // Seed a few todos if the table is empty (nice for first run)
    let count: (i64,) = sqlx::query_as("SELECT COUNT(*) FROM todos")
        .fetch_one(&db)
        .await?;
    if count.0 == 0 {
        for title in &["Learn Rust", "Build LiveVue.rs", "Ship v0"] {
            sqlx::query("INSERT INTO todos (title, completed) VALUES (?, false)")
                .bind(title)
                .execute(&db)
                .await?;
        }
    }

    // -----------------------------------------------------------------------
    // Application state
    // -----------------------------------------------------------------------

    let state = Arc::new(AppState {
        db,
        connections: ConnectionManager::new(),
        subscriptions: SubscriptionRegistry::new(),
    });

    // -----------------------------------------------------------------------
    // Server
    // -----------------------------------------------------------------------

    let app = app::router(state);

    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await?;
    println!("Todo example listening on http://localhost:3000");

    axum::serve(listener, app).await?;

    Ok(())
}