// A tools bundle in Rust: one tool of its own and one seat verb, served over stdio.
use mesh_sdk::{serve, Tool};
use serde_json::{json, Map, Value};

fn greet(a: &Map<String, Value>) -> Result<Value, String> {
    let who = a.get("who").and_then(Value::as_str).unwrap_or("world");
    Ok(json!({"greeting": format!("hello {}", who), "language": "rust"}))
}

fn on(_: &Map<String, Value>) -> Result<Value, String> {
    Ok(json!({"on": true, "language": "rust"}))
}

fn main() -> std::io::Result<()> {
    serve("rust-example", &[
        Tool { name: "greet", description: "say hello", input: json!({"who": {"type": "string", "description": "whom"}}), run: greet },
        Tool { name: "node-lamp.on", description: "the seat's verb", input: json!({}), run: on },
    ])
}