pub struct Error(eframe::Error);

pub fn gui() -> anyhow::Result<()> {
    let options = eframe::NativeOptions::default();
    eframe::run_native(
        "Encoded Message", 
        options, 
        Box::new(|_cc| Ok(Box::<Gui>::new(
                    Default::default()
        )))
    ).map_err(crate::Error::from)?;
    Ok(())
}

#[derive(Default)]
struct Gui {
    message: Option<crate::Message>,
    circle_length: Option<usize>,
}

impl eframe::App for Gui {
    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
            egui::CentralPanel::default().show(ctx, |ui| {
                //TODO: UI (on unfocus update values)
                // Message Content input
                // start shift input
                // circle length input
                // generate button (if pressed, generate plot with details)
       });
    }
}


impl From<eframe::Error> for Error {
    fn from(err: eframe::Error) -> Self {
        Error(err)
    }
}

impl From<Error> for anyhow::Error {
    fn from(err: Error) -> Self {
       anyhow::anyhow!(err.0.to_string()) 
    }
}