#![cfg(target_os = "android")]
#![allow(rustdoc::missing_crate_level_docs)] // it's an example

use android_logger::Config;
use eframe::egui;
use log::LevelFilter;
use winit::platform::android::activity::AndroidApp;

#[no_mangle]
fn android_main(app: AndroidApp) {
    // Log to android output
    android_logger::init_once(Config::default().with_max_level(LevelFilter::Info));

    let options = eframe::NativeOptions {
        android_app: Some(app),
        ..Default::default()
    };
    eframe::run_native(
        "My egui App",
        options,
        Box::new(|cc| {
            // This gives us image support:
            egui_extras::install_image_loaders(&cc.egui_ctx);

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

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("My egui Application");
            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.image(egui::include_image!(
                "../../../crates/egui/assets/ferris.png"
            ));
        });
    }
}