#include "ubl-settings-bootloader.h"



void on_menu_chosen(GtkWidget *, yon_menu_item *item){
    gtk_entry_set_text(GTK_ENTRY(item->widgets->OSDefaultEntry),item->target);
        GdkDisplay *display = gdk_display_get_default();
        GdkSeat *seat = gdk_display_get_default_seat(display);
        if (item->window->seat_grab)
            gdk_seat_ungrab(seat);
        else
            gtk_grab_remove(item->window->MenuWindow);
        gtk_widget_destroy(item->window->MenuWindow);

}

void on_submenu_open(GtkWidget *,yon_menu_item *item){
    yon_menu_window *window = item->window;

    dictionary *dact = NULL;
    for_dictionaries(dact,item->children){
        yon_menu_item *child =  yon_dictionary_get_data(dact,yon_menu_item*);
        gtk_widget_hide(child->NextIconButton);
        gtk_list_box_insert(GTK_LIST_BOX(window->ChildrenListBox),child->MenuItemBox,-1);
            g_signal_connect(G_OBJECT(child->MenuButton),"clicked",G_CALLBACK(on_menu_chosen),dact->data);
        
    }
    gtk_revealer_set_reveal_child(GTK_REVEALER(item->window->ItemsRevealer),0);
    gtk_revealer_set_reveal_child(GTK_REVEALER(item->window->ChildrenRevealer),1);
    gtk_box_set_child_packing(GTK_BOX(gtk_widget_get_parent(window->ChildrenRevealer)),window->ChildrenRevealer,1,1,0,GTK_PACK_START);
    gtk_box_set_child_packing(GTK_BOX(gtk_widget_get_parent(window->ItemsRevealer)),window->ItemsRevealer,0,0,0,GTK_PACK_START);
    yon_on_revealer_switched(window);
    g_signal_connect(G_OBJECT(window->MenuWindow),"size-allocate",G_CALLBACK(on_menu_window_size_reallocated),window);

}

yon_menu_window *yon_menu_window_open(GtkWidget *, main_window *widgets){
    yon_menu_window *window = yon_menu_window_new();
    gtk_window_set_transient_for(GTK_WINDOW(window->MenuWindow),GTK_WINDOW(widgets->Window));
    int size;
    config_str parsed = yon_config_load(get_menus_entry_command,&size);
    for (int i=0;i<size;i++){
        yon_char_remove_last_symbol(parsed[i],'\n');
        int param_size;
        config_str parameter = yon_char_parse(parsed[i],&param_size,">");
        dictionary * cur_item = NULL;
        if (param_size==2&&(cur_item=yon_dictionary_get(&window->menu_items,parameter[0]))){
            yon_menu_item *item = (yon_menu_item*)cur_item->data;
            yon_menu_item *item_child = yon_menu_item_new();
            gtk_widget_hide(item_child->NextIconButton);
            gtk_label_set_text(GTK_LABEL(item_child->MenuTextLabel),parameter[1]);
            item_child->target=yon_char_new(parameter[1]);
            gtk_widget_show(item_child->MenuItemBox);
            yon_dictionary_add_or_create_if_exists_with_data(item->children,parameter[1],item_child);
            item_child->widgets=widgets;
            item_child->window=window;
            
        } else {
            yon_menu_item *item = yon_menu_item_new();
            item->widgets=widgets;
            item->window=window;
            gtk_label_set_text(GTK_LABEL(item->MenuTextLabel),parameter[0]);
            item->target=yon_char_new(parameter[0]);
            gtk_list_box_insert(GTK_LIST_BOX(window->ItemsListBox),item->MenuItemBox,-1);
            yon_dictionary_add_or_create_if_exists_with_data(window->menu_items,parameter[0],item);
            gtk_widget_show(item->MenuItemBox);
            if (param_size==2){
                yon_menu_item *item_child = yon_menu_item_new();
                gtk_widget_show(item->NextIconButton);
                gtk_widget_hide(item_child->NextIconButton);
                gtk_label_set_text(GTK_LABEL(item_child->MenuTextLabel),parameter[1]);
                item_child->target=yon_char_new(parameter[1]);
                gtk_widget_show(item_child->MenuItemBox);
                item_child->widgets=widgets;
                item_child->window=window;
                g_signal_connect(G_OBJECT(item->MenuButton),"clicked",G_CALLBACK(on_submenu_open),item);
                yon_dictionary_add_or_create_if_exists_with_data(item->children,parameter[1],item_child);
            } else {
                gtk_widget_hide(item->NextIconButton);
                g_signal_connect(G_OBJECT(item->MenuButton),"clicked",G_CALLBACK(on_menu_chosen),item);
            }
        }

    }
    int x,y,width;
    gdk_window_get_position(gtk_widget_get_window(widgets->MenuButton),&x,&y);
    gtk_widget_translate_coordinates(widgets->MenuButton,widgets->Window,x,y,&window->button_pos_x,&window->button_pos_y);
    gtk_window_get_size(GTK_WINDOW(window->MenuWindow),&width,NULL);
    gtk_window_get_position(GTK_WINDOW(widgets->Window),&x,&y);
    gtk_window_move(GTK_WINDOW(window->MenuWindow),x+window->button_pos_x-width,y+window->button_pos_y);
    gtk_widget_realize(window->MenuWindow);
    gtk_widget_show(window->MenuWindow);
    GdkGrabStatus status = gdk_seat_grab(gdk_display_get_default_seat(gdk_display_get_default()),gtk_widget_get_window(window->MenuWindow),GDK_SEAT_CAPABILITY_POINTER,TRUE,NULL,NULL,NULL,NULL);
    if (status != GDK_GRAB_SUCCESS) {
        window->seat_grab=0;
        gtk_grab_add(window->MenuWindow);
    } else {
        window->seat_grab=1;
    }
    return window;
}

gboolean on_menu_clicked(GtkWidget *, GdkEventButton *event, yon_menu_window *window){
    int x,y,width,height;
    gtk_window_get_size(GTK_WINDOW(window->MenuWindow),&width,&height);
    gtk_window_get_position(GTK_WINDOW(window->MenuWindow),&x,&y);
    if (event->x_root<x||event->y_root<y||event->x_root>x+width||event->y_root>y+height){

        GdkDisplay *display = gdk_display_get_default();
        GdkSeat *seat = gdk_display_get_default_seat(display);
        if (window->seat_grab)
            gdk_seat_ungrab(seat);
        else 
            gtk_grab_remove(window->MenuWindow);
        gtk_widget_destroy(window->MenuWindow);
    }
    return 1;

}

gboolean yon_on_revealer_switched (yon_menu_window *window){
    if (gtk_revealer_get_reveal_child(GTK_REVEALER(window->ItemsRevealer))){
        gtk_widget_hide(window->ChildrenRevealer);
        gtk_widget_show(window->ItemsRevealer);
    } else {
        gtk_widget_hide(window->ItemsRevealer);
        gtk_widget_show(window->ChildrenRevealer);

    }
    return G_SOURCE_REMOVE;
}

void on_children_clean(GtkWidget*, yon_menu_window *window){
    GList *list = gtk_container_get_children(GTK_CONTAINER(window->ChildrenListBox));
    list = g_list_last(list);
    for (guint i=0;i<g_list_length(list);i++){
        GList *item = gtk_container_get_children(GTK_CONTAINER(list->data));
        g_object_ref(G_OBJECT(item->data));
        gtk_container_remove(GTK_CONTAINER(list->data),GTK_WIDGET(item->data));
        gtk_widget_destroy(GTK_WIDGET(list->data));
        g_list_free(item);
        list=list->prev;
    }

    gtk_revealer_set_reveal_child(GTK_REVEALER(window->ItemsRevealer),1);
    gtk_revealer_set_reveal_child(GTK_REVEALER(window->ChildrenRevealer),0);
    gtk_box_set_child_packing(GTK_BOX(gtk_widget_get_parent(window->ItemsRevealer)),window->ItemsRevealer,1,1,0,GTK_PACK_START);
    yon_on_revealer_switched(window);
    g_signal_connect(G_OBJECT(window->MenuWindow),"size-allocate",G_CALLBACK(on_menu_window_size_reallocated),window);
    gtk_box_set_child_packing(GTK_BOX(gtk_widget_get_parent(window->ChildrenRevealer)),window->ChildrenRevealer,0,0,0,GTK_PACK_START);

}

void on_menu_window_size_reallocated(GtkWidget *self,GtkAllocation *,yon_menu_window *window){

    int x,y,width;
    gtk_window_get_size(GTK_WINDOW(window->MenuWindow),&width,NULL);
    gtk_window_get_position(GTK_WINDOW(gtk_window_get_transient_for(GTK_WINDOW(window->MenuWindow))),&x,&y);
    gtk_window_move(GTK_WINDOW(window->MenuWindow),x+window->button_pos_x-width,y+window->button_pos_y);
    g_signal_handlers_disconnect_by_func(self,on_menu_window_size_reallocated,window);
}

 yon_menu_window *yon_menu_window_new(){
    yon_menu_window *window = new(yon_menu_window);
    GtkBuilder *builder = gtk_builder_new_from_resource(glade_path_menu_window);
    window->MenuWindow = yon_gtk_builder_get_widget(builder,"MainWindow");
    window->ItemsRevealer = yon_gtk_builder_get_widget(builder,"ItemsRevealer");
    window->BackButton = yon_gtk_builder_get_widget(builder,"BackButton");
    window->ItemsListBox = yon_gtk_builder_get_widget(builder,"ItemsListBox");
    window->ChildrenRevealer = yon_gtk_builder_get_widget(builder,"ChildrenRevealer");
    window->ChildrenListBox = yon_gtk_builder_get_widget(builder,"ChildrenListBox");

    window->menu_items=NULL;

    g_signal_connect(G_OBJECT(window->BackButton),"clicked",G_CALLBACK(on_children_clean),window);
    g_signal_connect(G_OBJECT(window->MenuWindow),"button-press-event",G_CALLBACK(on_menu_clicked),window);
    return window;
}

yon_menu_item *yon_menu_item_new(){
    yon_menu_item *item = new(yon_menu_item);
    GtkBuilder *builder = gtk_builder_new_from_resource(glade_path_menu_item);
    item->MenuItemBox = yon_gtk_builder_get_widget(builder,"MenuItemBox");
    item->MenuButton = yon_gtk_builder_get_widget(builder,"MenuButton");
    item->MenuTextLabel = yon_gtk_builder_get_widget(builder,"MenuTextLabel");
    item->NextIconButton = yon_gtk_builder_get_widget(builder,"NextIconButton");
    item->children=NULL;

    return item;
}