#nullable disable
using Godot;
using Godot.Collections;

public partial class GameLobby : Control {
    Global global = null;
	Timer timer = null;

    ItemList lists = null;
	ConfirmationDialog dialog = null;

    string URL;
    string userName;
	bool isAcceptedPart = false;

	// Called when the node enters the scene tree for the first time.
	public override void _Ready() {
        global = GetNode<Global>("/root/Global");
		lists = GetNode<ItemList>("MarginContainer/VBoxContainer/MarginContainer3/ItemList");
		dialog = GetNode<ConfirmationDialog>("Dialogs/ConfirmationDialog");
        URL = global.GlobalConfigDict["server_url"].AsString();
        userName = global.GlobalConfigDict["user_name"].AsString();

		dialog.MinSize = new Vector2I(400, 200);
        dialog.DialogAutowrap = true;
		dialog.Canceled += () => {
			if (dialog.Title == "Session Created")
			global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), false);
		};
		dialog.Confirmed += () => {
			if (dialog.Title == "Session Created") {
				// FIXME
				isAcceptedPart = true;
				global.RPClient.SessionAckCreate(dialog.GetMeta("sessionId").ToString(), true);
			}
		};

        global.RPClient.OnOpen += (string eventName, object[] args) => {
			global.RPClient.UserInit(userName, "godot chessboard", () => {
                global.RPClient.UserRename(userName);
				return global.RPClient.RegionAdd("server");
			});
		};
        // global.RPClient.OnOpen += (eventName, args) => {
        //     global.RPClient.UserInit(userName, "none", () => {
        //         GD.PrintErr($"User Init Success");
			    
        //         return true;
        //     });
        //     // global.RPClient.UserRename(userName);
		// };
        global.RPClient.RegSessionAckCreateCallback((sessionId, res, reqUserId, reqUserName) => {
			if (reqUserId != null) {
				dialog.Title = "Session Created";
				dialog.SetMeta("reqUserName", reqUserName);
				dialog.SetMeta("reqUserId", reqUserId);
				dialog.SetMeta("sessionId", sessionId);
				// dialog.GetLabel==>Text = $"{sessdata["reqUserName"]}";
				dialog.DialogText = $"username: {reqUserName}\n" +
					$"reqUserId: {reqUserId}\n";
				dialog.Visible = true;
			} else {
				if (res) {
					// TODO FIXME
					global.sessionId = sessionId;
					if (!isAcceptedPart) {
						global.GlobalData["player_color"] = "red";
					} else {
						global.GlobalData["player_color"] = "black";
					}
					// GD.PrintErr("sessionId: ", reqUserId, "color: ", global.GlobalData["player_color"].AsString());
					global.GotoScene("res://Scenes/ChessGame.tscn");
				} else {
					dialog.Title = "Failed";
					dialog.DialogText = $"session create failed";
					dialog.Visible = true;
				}
			}
			return true;
		});

        timer = new Timer();
		AddChild(timer);
        ColorRect colorRect = GetNode<ColorRect>("MarginContainer/VBoxContainer/MarginContainer2/MarginContainer2/ColorRect");
		timer.Connect("timeout", Callable.From(() => {
			if (global.RPClient.GetIsConnected()) {
				colorRect.Color = Colors.Green;
			} else {
				colorRect.Color = Colors.Red;
			}
            FlushData();
		}));
		timer.Start(1);

        Connect();
    }

    public void Connect() {
		GD.Print("Connect");
        if (global.RPClient.GetIsConnected()) {
            return;
        }
		// global.RPClient.ExitServer();
		global.RPClient.ConnectToUrlEx(URL);
		global.SetProcess(true);
	}

    private void OnItemSelected(int index) {
		Dictionary item = lists.GetItemMetadata(index).AsGodotDictionary();
		GD.Print($"Item {index} selected, {item}");
		string[] strings = { item["id"].ToString() };
		global.RPClient.SessionCreate(strings);
	}

    private void FlushData() {
		global.RPClient.RegionInspect("server", (data) => {
			// GD.Print(data);
			lists?.Clear();
			foreach (Dictionary<string, string> user in data) {
				string userId = user["id"].ToString();
				string userName = user["name"].ToString();
				if (userId == global.RPClient.GetUserId()) {
					lists.SetItemDisabled(
						lists.AddItem($"Name: {userName}"),
						true);
					continue;
				}
				var idx = lists.AddItem($"Name: {userName}");
				lists.SetItemMetadata(idx, user);
				lists.SetItemTooltip(idx, $"User ID: {userId}");
			}
			return true;
		});
	}


	private void OnBack() {
		global.RPClient.ExitServer();
		global.GotoScene("res://Main.tscn");
	}
}