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

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

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

#[napi]
impl OrdersAPI {
    #[napi]
    pub async fn submit_order(
        &self,
        symbol: String,
        side: String,
        quantity: f64,
        order_type: String,
        limit_price: Option<f64>,
        stop_price: Option<f64>,
    ) -> Result<String> {
        let side = match side.as_str() {
            "buy" => crate::Side::Buy,
            "sell" => crate::Side::Sell,
            _ => return Err(Error::from_reason("Invalid side")),
        };
        
        let order_type = match order_type.as_str() {
            "market" => crate::OrderType::Market,
            "limit" => {
                let price = limit_price.ok_or_else(|| Error::from_reason("Limit price required"))?;
                crate::OrderType::Limit { price }
            }
            "stop" => {
                let price = stop_price.ok_or_else(|| Error::from_reason("Stop price required"))?;
                crate::OrderType::Stop { stop_price: price }
            }
            "stop_limit" => {
                let stop = stop_price.ok_or_else(|| Error::from_reason("Stop price required"))?;
                let limit = limit_price.ok_or_else(|| Error::from_reason("Limit price required"))?;
                crate::OrderType::StopLimit { stop_price: stop, limit_price: limit }
            }
            _ => return Err(Error::from_reason("Invalid order type")),
        };
        
        let order = crate::Order {
            id: uuid::Uuid::new_v4().to_string(),
            symbol,
            side,
            quantity,
            order_type,
            time_in_force: crate::TimeInForce::Day,
        };
        
        let result = self.core.execution_handler
            .write()
            .execute_order(order)
            .await
            .map_err(|e| Error::from_reason(e))?;
            
        Ok(result.order_id)
    }
    
    #[napi]
    pub async fn cancel_order(&self, order_id: String) -> Result<()> {
        // Cancel order implementation
        todo!("Cancel order implementation")
    }
    
    #[napi]
    pub fn get_pending_orders(&self) -> Result<Vec<JsObject>> {
        // Get pending orders
        todo!("Get pending orders implementation")
    }
    
    #[napi]
    pub fn get_order_history(&self) -> Result<Vec<JsObject>> {
        // Get order history
        todo!("Get order history implementation")
    }
}