// Build with: cross build --release --example invoke-method

use oc2r_core::{DEFAULT_DEVICE_PATH, DeviceBus, Result};

fn main() -> Result<()> {
    let mut bus = DeviceBus::connect(DEFAULT_DEVICE_PATH)?;
    let devices = bus.list()?;

    let Some(first) = devices.first() else {
        println!("No OC2R devices detected.");
        return Ok(());
    };

    println!("Inspecting {}", first.device_id);

    let mut device = bus
        .device(&first.device_id)?
        .expect("device disappeared after list()");

    let methods = device.methods()?.to_vec();
    for method in &methods {
        println!("{}()", method.name);
    }

    if let Some(method) = methods.iter().find(|m| m.parameters.is_empty()) {
        println!("Invoking {}()", method.name);
        let result = device.call(&method.name, ())?;
        println!("Result: {result:?}");
    } else {
        println!("No zero-argument methods available to invoke.");
    }

    // Example for passing parameters:
    // device.call("setRedstoneOutput", ("east", 15_u8))?;

    Ok(())
}