//! memories — 长期记忆管理（通过主进程 DB 代理）

fn main() {
    let input: serde_json::Value = serde_json::from_reader(std::io::stdin()).unwrap();
    let mode = std::env::args().nth(2).unwrap_or_else(|| "list".to_string());
    let params = &input["params"];

    if input.get("db_response").is_none() {
        // 发出 DB 请求
        match mode.as_str() {
            "list" => println!("{}", serde_json::json!({"type":"db","operation":"read_memories","desc":"读取记忆"})),
            "add" => {
                let c = params["content"].as_str().unwrap_or("");
                if c.is_empty() { println!(r#"{{"type":"result","content":"缺少content"}}"#); return; }
                println!("{}", serde_json::json!({"type":"db","operation":"write_memory","params":{"content":c},"desc":format!("记录: {c}")}));
            }
            "get" => {
                let id = params["memory_id"].as_u64().unwrap_or(0);
                println!("{}", serde_json::json!({"type":"db","operation":"read_memories","params":{"memory_id":id},"desc":"读取记忆"}));
            }
            "delete" => {
                let id = params["memory_id"].as_u64().unwrap_or(0);
                println!("{}", serde_json::json!({"type":"db","operation":"delete_memory","params":{"memory_id":id},"desc":format!("删除记忆 {id}")}));
            }
            "update" => {
                let id = params["memory_id"].as_u64().unwrap_or(0);
                let c = params["content"].as_str().unwrap_or("");
                println!("{}", serde_json::json!({"type":"db","operation":"update_memory","params":{"memory_id":id,"content":c},"desc":format!("更新记忆 {id}")}));
            }
            _ => println!(r#"{{"type":"result","content":"未知操作"}}"#),
        }
    } else {
        // 处理 DB 响应
        let result = input["db_response"]["result"].as_str().unwrap_or("");
        println!("{}", serde_json::json!({"type":"result","content":result}));
    }
}