/// @description init
event_inherited();

#region data
	dialog_w = ui(320);
	dialog_h = ui(480);
	
	destroy_on_click_out = true;
	
	build_x = 0;
	build_y = 0;
	
	tunnel_ins = [];
	tunnel_select = noone;
	tunnel_hover  = noone;
	
	var amo = ds_map_size(NODE_MAP);
	var k   = ds_map_find_first(NODE_MAP);
		
	repeat(amo) {
		var node = NODE_MAP[? k];
		k = ds_map_find_next(NODE_MAP, k);
			
		if(instanceof(node) == "Node_Tunnel_In") 
			array_push(tunnel_ins, node);
	}
	
	search_string = "";
	keyboard_lastchar = "";
	KEYBOARD_STRING = "";
	keyboard_lastkey = -1;
	
	search_res    = [];
	tb_search = new textBox(TEXTBOX_INPUT.text, function(str) { 
		search_string = string(str); 
		searchNodes();
	});
	tb_search.align			= fa_left;
	tb_search.auto_update	= true;
	tb_search.boxColor		= COLORS._main_icon_light;
	WIDGET_CURRENT			= tb_search;
	
	function searchNodes() {
		search_res = [];
		for( var i = 0; i < array_length(tunnel_ins); i++ ) {
			var node = tunnel_ins[i];
			var key = node.inputs[| 0].getValue(0);
			
			if(string_pos(search_string, key) == 0) continue;
			array_push(search_res, node);
		}
	}
#endregion

#region content
	sc_tunnel = new scrollPane(dialog_w - ui(padding + padding), dialog_h - ui(title_height + padding + 40), function(_y, _m) {
		draw_clear_alpha(COLORS.panel_bg_clear, 0);
		var _h  = 0;
		var ww  = sc_tunnel.surface_w;
		var hg  = ui(36);
		var i   = 0;
		
		var arr = search_string == ""? tunnel_ins : search_res;
		tunnel_hover  = noone;
		
		for( var i = 0; i < array_length(arr); i++ ) {
			var node = arr[i];

			if(point_in_rectangle(_m[0], _m[1], 0, _y, ww, _y + hg)) {
				var cc = merge_color(COLORS._main_icon_light, COLORS._main_icon, 0.25);
				draw_sprite_stretched_ext(THEME.ui_panel_bg, 0, 0, _y, ww, hg, cc, 1);
				tunnel_hover  = node;
				
				if(mouse_press(mb_left, sc_tunnel.active) && _m[0] < ww - ui(32 + 32 * 2)) 
					tunnel_select = tunnel_select == node? noone : node;
			} else 
				draw_sprite_stretched_ext(THEME.ui_panel_bg, 0, 0, _y, ww, hg, COLORS._main_icon_light, 1);
			
			var key = node.inputs[| 0].getValue(0);
			var bw = ui(28);
			var bh = ui(28);
			var bx = ww - ui(4) - bw;
			var by = _y + (hg - bh) / 2;
			
			if(buttonInstant(THEME.button_hide, bx, by, bw, bh, _m, sc_tunnel.active, sc_tunnel.hover, "Go to node", THEME.node_goto) == 2)
				graphFocusNode(node);
			bx -= ui(32);
			
			if(buttonInstant(THEME.button_hide, bx, by, bw, bh, _m, sc_tunnel.active, sc_tunnel.hover, "Create tunnel out", THEME.tunnel) == 2) {
				var n = nodeBuild("Node_Tunnel_Out", build_x, build_y);
				n.inputs[| 0].setValue(key);
				
				instance_destroy();
			}
			bx -= ui(32);
			
			draw_sprite_ui(THEME.tunnel, 1, ui(4 + 16), _y + hg / 2);
			draw_set_text(f_p0, fa_left, fa_center, key == ""? COLORS._main_text_sub : COLORS._main_text);
			draw_text(ui(4 + 32 + 4), _y + hg / 2, key == ""? "[no key]" : key);
			
			_y += hg + ui(4);
			_h += hg + ui(4);
			
			if(tunnel_select == node) {
				var amo = ds_map_size(TUNNELS_OUT);
				var k   = ds_map_find_first(TUNNELS_OUT);
		
				repeat(amo) { 
					var _k  = k;
					k = ds_map_find_next(TUNNELS_OUT, k);
					
					var out = TUNNELS_OUT[? _k];
					if(out != key || !ds_map_exists(NODE_MAP, _k)) 
						continue;
				
					var _node = NODE_MAP[? _k];
					
					draw_sprite_ui(THEME.tunnel, 0, ui(32), _y + ui(10), 0.75, 0.75, 0, COLORS._main_icon);
					draw_set_text(f_p1, fa_left, fa_center, COLORS._main_text_sub);
					draw_text(ui(32 + 16), _y + ui(10), _node.display_name == ""? _node.name : _node.display_name);
					
					
					if(point_in_rectangle(_m[0], _m[1], 0, _y, ww, _y + ui(20))) 
						tunnel_hover  = _node;
					
					_y += ui(20);
					_h += ui(20);
				}
				
				_y += ui(8);
				_h += ui(8);
			}
		}
		
		return _h;
	})
#endregion