#include <ctime>

#include <gtkmm/enums.h>
#include <gtkmm/label.h>

#include "bar.hpp"
#include "glibmm/main.h"
#include "sigc++/functors/mem_fun.h"
#include "widgets/clock.hpp"

Bar::Bar() {
    gtk_layer_init_for_window(this->gobj());

    gtk_layer_set_anchor(this->gobj(), GTK_LAYER_SHELL_EDGE_TOP, true);
    gtk_layer_set_anchor(this->gobj(), GTK_LAYER_SHELL_EDGE_LEFT, true);
    gtk_layer_set_anchor(this->gobj(), GTK_LAYER_SHELL_EDGE_RIGHT, true);

    gtk_layer_auto_exclusive_zone_enable(this->gobj());

    set_child(main_box);

    load_css();
    setup_ui();

    this->clock.onUpdate();

    Glib::signal_timeout().connect(
        sigc::mem_fun(
            this->clock, 
            &Clock::onUpdate
        ), 
        1000
    );
}

void Bar::setup_ui() {
    Gtk::Box left_box{Gtk::Orientation::HORIZONTAL};
    Gtk::Box center_box{Gtk::Orientation::HORIZONTAL};
    Gtk::Box right_box{Gtk::Orientation::HORIZONTAL};
    
    main_box.set_start_widget(left_box);
    main_box.set_center_widget(center_box);
    main_box.set_end_widget(right_box);

    Gtk::Label labelLeft("labelLeft");
    Gtk::Label labelRight("labelRight");


    left_box.append(labelLeft);
    center_box.append(clock);
    right_box.append(labelRight);
}

void Bar::load_css() {
    auto css_provider = Gtk::CssProvider::create();
    
    css_provider->load_from_data(R"(
        window { background-color: #222; color: #fff; }
        #clock-label { font-weight: bold; font-family: monospace; }
    )");
    
    Gtk::StyleContext::add_provider_for_display(
        Gdk::Display::get_default(),
        css_provider,
        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION
    );
}