// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
use tokio::net::UdpSocket;
use std::{net::SocketAddrV4, str::FromStr};
use rosc::{encoder, OscMessage, OscPacket, OscType};


#[tauri::command]
fn greet(name: &str) -> String {
    format!("Hello, {}! You've been greeted from Rust!", name)
}

#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
    tauri::Builder::default()
        .plugin(tauri_plugin_opener::init())
        .invoke_handler(tauri::generate_handler![
            send_osc_message,
        ])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}


#[tauri::command]
async fn send_osc_message(
    key: &str,
    message: &str,
    host: &str,
    target: &str,
) -> Result<(), String> {
    // print
    println!("Sending OSC message: {}", message);

    let sock = UdpSocket::bind(host).await.unwrap();
    let remote = SocketAddrV4::from_str(target).unwrap();

    let msg_buf = encoder::encode(&OscPacket::Message(OscMessage {
        addr: key.to_string(),
        args: vec![OscType::String(message.parse().unwrap())],
    }))
    .unwrap();

    sock.send_to(&msg_buf, remote).await.unwrap();

    Ok(())
}