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

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

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

#[napi]
impl StrategiesAPI {
    #[napi]
    pub async fn add_strategy(
        &self,
        name: String,
        strategy_type: String,
        parameters: String,
    ) -> Result<String> {
        // Parse parameters from JSON string
        let params: serde_json::Value = serde_json::from_str(&parameters)
            .map_err(|e| Error::from_reason(format!("Invalid parameters: {}", e)))?;
            
        // Create strategy based on type
        let strategy = match strategy_type.as_str() {
            "sma_crossover" => {
                // Create SMA crossover strategy
                todo!("Create SMA strategy")
            }
            "momentum" => {
                // Create momentum strategy
                todo!("Create momentum strategy")
            }
            _ => return Err(Error::from_reason("Unknown strategy type")),
        };
        
        // Add strategy to core
        todo!("Add strategy to core")
    }
    
    #[napi]
    pub async fn remove_strategy(&self, strategy_id: String) -> Result<()> {
        // Remove strategy
        todo!("Remove strategy implementation")
    }
    
    #[napi]
    pub fn get_strategies(&self) -> Result<Vec<JsObject>> {
        // Get all active strategies
        todo!("Get strategies implementation")
    }
    
    #[napi]
    pub async fn update_strategy_parameters(
        &self,
        strategy_id: String,
        parameters: String,
    ) -> Result<()> {
        // Parse and update parameters
        let params: serde_json::Value = serde_json::from_str(&parameters)
            .map_err(|e| Error::from_reason(format!("Invalid parameters: {}", e)))?;
            
        todo!("Update strategy parameters")
    }
    
    #[napi]
    pub fn get_strategy_performance(&self, strategy_id: String) -> Result<JsObject> {
        // Get performance metrics for strategy
        todo!("Get strategy performance")
    }
}