use napi_derive::napi;
use napi::bindgen_prelude::*;
use std::sync::Arc;

#[napi]
pub struct SystemAPI {
    core: Arc<crate::TradingCore>,
}

impl SystemAPI {
    pub fn new(core: Arc<crate::TradingCore>) -> Self {
        Self { core }
    }
}

#[napi]
impl SystemAPI {
    #[napi]
    pub async fn start(&self) -> Result<()> {
        // Start the trading system
        match self.core.get_mode() {
            crate::TradingMode::Backtest { .. } => {
                // Start backtest processing
                todo!("Start backtest")
            }
            crate::TradingMode::Paper { .. } => {
                // Start paper trading
                todo!("Start paper trading")
            }
            crate::TradingMode::Live { .. } => {
                // Start live trading
                todo!("Start live trading")
            }
        }
    }
    
    #[napi]
    pub async fn stop(&self) -> Result<()> {
        // Stop the trading system
        todo!("Stop trading system")
    }
    
    #[napi]
    pub fn get_mode(&self) -> String {
        match self.core.get_mode() {
            crate::TradingMode::Backtest { .. } => "backtest".to_string(),
            crate::TradingMode::Paper { .. } => "paper".to_string(),
            crate::TradingMode::Live { .. } => "live".to_string(),
        }
    }
    
    #[napi]
    pub fn get_current_time(&self) -> String {
        self.core.get_time().to_rfc3339()
    }
    
    #[napi]
    pub fn set_risk_limits(&self, limits: String) -> Result<()> {
        // Parse and set risk limits
        let limits: serde_json::Value = serde_json::from_str(&limits)
            .map_err(|e| Error::from_reason(format!("Invalid limits: {}", e)))?;
            
        todo!("Set risk limits")
    }
    
    #[napi]
    pub fn get_risk_metrics(&self) -> Result<JsObject> {
        // Get current risk metrics
        todo!("Get risk metrics")
    }
    
    #[napi]
    pub fn get_analytics(&self) -> Result<JsObject> {
        // Get trading analytics
        todo!("Get analytics")
    }
}