#include <stdarg.h>
#include <termio.h>
#include "memory.h"
#include "showmenu.h"

static int menu_index;

static void menu_callback(int index){
	menu_index=index;
}

i64 showmenu(const char *title,...){
	va_list ap,ap2;
	va_start(ap,title);
	va_copy(ap2,ap);
	i64 nargs=0;
	while(va_arg(ap2,const char*)!=NULL)nargs++;
	va_end(ap2);

	moveto(2,0);
	tprintf("=== %s ===",title);
	
	Menudata menudata;
	menudata.nitems=(int)nargs;
	menudata.items=malloc(nargs,Menuitem);
	for(i64 i=0;i<nargs;i++){
		menudata.items[i].text=strdup(va_arg(ap,const char*));
		menudata.items[i].hotkey='\0';
		menudata.items[i].func=menu_callback;
	}
	va_end(ap);

	menu_index=0;

	Menuwidget *mw=menu_make(2,2,&menudata);
	while(true){
		redraw();
		int key=tgetkey();
		if(key<=0)return -1;
		bool selected=false;
		switch(menu_handlekey(mw,key)){
			case MENUKEY_IGNORED: bel(); break;
			case MENUKEY_CALLED: selected=true; break;
			case MENUKEY_HANDLED:
			default:
				break;
		}
		if(selected)break;
	}

	menu_destroy(mw);
	return menu_index;
}