use axum::{
    routing::get,
    Router,
    Json,
};
use serde::Serialize;
use tower_http::cors::{CorsLayer, Any};
use tracing_subscriber;

mod wallet;
mod exchange;

#[tokio::main]
async fn main() {
    // 初始化日志
    tracing_subscriber::fmt::init();
    
    // 创建路由
    let app = Router::new()
        .route("/", get(root))
        .route("/health", get(health_check))
        // 钱包API
        .nest("/api/wallet", wallet::routes())
        // 交易所API
        .nest("/api/exchange", exchange::routes())
        // CORS配置
        .layer(
            CorsLayer::new()
                .allow_origin(Any)
                .allow_methods(Any)
                .allow_headers(Any)
        );
    
    // 启动服务器
    let addr = "0.0.0.0:8080";
    println!("🚀 NAC API服务器启动在 http://{}", addr);
    
    let listener = tokio::net::TcpListener::bind(addr).await.unwrap();
    axum::serve(listener, app).await.unwrap();
}

async fn root() -> &'static str {
    "NAC API Server v1.0.0"
}

async fn health_check() -> Json<HealthResponse> {
    Json(HealthResponse {
        status: "ok".to_string(),
        version: "1.0.0".to_string(),
    })
}

#[derive(Serialize)]
struct HealthResponse {
    status: String,
    version: String,
}