use langchain_rust::language_models::llm::LLM;
use serde_json::Value;
use std::sync::Arc;

pub struct ChartRenderer {
    llm: Arc<dyn LLM>,
}

impl ChartRenderer {
    pub fn new(llm: Arc<dyn LLM>) -> Self {
        Self { llm }
    }

    pub async fn render_chart(&self, _config: &Value) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
        Ok(vec![])
    }

    pub async fn query_data(&self, _query: &str) -> Result<String, Box<dyn std::error::Error>> {
        Ok("Mock chart data".to_string())
    }
}