/* 
 *  SPDX-FileCopyrightText: 2025 April Faye John <april.john@denic.de> & Contributors 
 *  SPDX-License-Identifier: AGPL-3.0-or-later
 */

use egui::{TextureOptions, Vec2};

pub fn gui_main() -> eframe::Result {
    let options = eframe::NativeOptions {
        viewport: egui::ViewportBuilder::default().with_inner_size([600.0, 540.0]),
        ..Default::default()
    };
    eframe::run_native(
        "Hai VPN",
        options,
        Box::new(|cc| {
            // This gives us image support:
            egui_extras::install_image_loaders(&cc.egui_ctx);

            Ok(Box::<MyApp>::default())
        }),
    )
}

struct MyApp {
    name: String,
    age: u32,
}

impl Default for MyApp {
    fn default() -> Self {
        Self {
            name: "Arthur".to_owned(),
            age: 42,
        }
    }
}

impl eframe::App for MyApp {
    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
        egui::CentralPanel::default().show(ctx, |ui| {
            ui.heading("Hai VPN Test");
            ui.horizontal(|ui| {
                let name_label = ui.label("Your name: ");
                ui.text_edit_singleline(&mut self.name)
                    .labelled_by(name_label.id);
            });
            ui.add(egui::Slider::new(&mut self.age, 0..=120).text("age"));
            if ui.button("Increment").clicked() {
                self.age += 1;
            }
            ui.label(format!("Hello '{}', age {}", self.name, self.age));

            ui.add(
                egui::Image::new(egui::include_image!("../rosenpass-darkogo.svg"))
                    .max_size(Vec2::new(1000., 1000.))
                    .maintain_aspect_ratio(true)
                    .texture_options(TextureOptions::NEAREST)
                    .corner_radius(4.0)
                    .fit_to_fraction(Vec2::new(0.5, 0.5)),
            );
        });
    }
}