use std::ptr;

use glib::{timeout_add, timeout_add_local};
use glib_macros::clone;
use gtk::gdk::builders::RGBABuilder;
use gtk::gdk::Display;
use gtk::{
    gio, glib, style_context_add_provider_for_display, Application, ApplicationWindow, CssProvider,
    FontButton, GestureDrag,
};
use gtk::{prelude::*, DrawingArea};
mod data;
mod monitor;
mod painter;
mod render;
mod tree;
mod window;
use data::{Npz, Radar2d, RadarData2d};
use monitor::Monitor;
use ndarray::parallel::prelude::{IntoParallelIterator, ParallelIterator};
use painter::wgs84::{LatLonCoord, Mercator, ProjectionS, Range};
use render::Render;
use render::{BackgroundConfig, BackgroundWidget};

const APP_ID: &str = "org.gtk_rs.HelloWorld2";

fn main() -> glib::ExitCode {
    // Load GL pointers from epoxy (GL context management library used by GTK).
    {
        #[cfg(target_os = "macos")]
        let library = unsafe { libloading::os::unix::Library::new("libepoxy.0.dylib") }.unwrap();
        #[cfg(all(unix, not(target_os = "macos")))]
        let library = unsafe { libloading::os::unix::Library::new("libepoxy.so.0") }.unwrap();
        #[cfg(windows)]
        let library = libloading::os::windows::Library::open_already_loaded("libepoxy-0.dll")
            .or_else(|_| libloading::os::windows::Library::open_already_loaded("epoxy-0.dll"))
            .unwrap();

        epoxy::load_with(|name| {
            unsafe { library.get::<_>(name.as_bytes()) }
                .map(|symbol| *symbol)
                .unwrap_or(ptr::null())
        });
    }

    // gio::resources_register_include!("monitor.gresource").expect("Failed to register resources");
    // Create a new application
    let app = Application::builder().application_id(APP_ID).build();
    // Connect to "activate" signal of `app`
    app.connect_activate(build_ui);
    // Run the application
    app.run()
}

fn build_ui(app: &Application) {
    // Create a window and set the title
    let window = ApplicationWindow::builder()
        .application(app)
        .title("My GTK App")
        .build();

    let mut background_config = BackgroundConfig::new();

    let background_widget = BackgroundWidget::new(background_config);

    let drawing_area = Render::new();

    // let path = "/Users/ruomu/test2.npz";

    // let data = Radar2d::<i8>::load(path, Npz).unwrap();
    // let projection = Mercator::new();

    // let aa = Range::from((*data.dim1.first().unwrap(), *data.dim1.last().unwrap()));
    // let ab = Range::from((*data.dim2.first().unwrap(), *data.dim2.last().unwrap()));

    // let coord = LatLonCoord::new(Some(aa), Some(ab), ((0, 1000), (0, 1000)), projection);

    // let result = data.mapped(&coord);

    let monitor = Monitor::new();

    window.set_child(Some(&monitor));
    window.set_default_width(1000);
    window.set_default_height(800);

    window.present();
}