using RebootKit.Engine.Foundation;
using RebootKit.Engine.Main;
using UnityEngine;
using UnityEngine.UIElements;

namespace RebootReality.jelycho.MainMenu {
    public class MainMenuController : MonoBehaviour {
        const string k_ButtonHost = "rr-menu__main-btn-host";
        const string k_ButtonJoinLocalHost = "rr-menu__main-btn-join-localhost";
        const string k_ButtonSettings = "rr-menu__main-btn-settings";
        const string k_ButtonQuit = "rr-menu__main-btn-quit";

        const string k_PanelMain = "rr-menu__panel-main";
        const string k_PanelSettings = "rr-menu__panel-settings";

        [SerializeField] UIDocument m_Document;

        [ConfigVar("debug.startmap", "rr_astek")]
        static ConfigVar s_MapToHost;
        
        void OnEnable() {
            VisualElement root = m_Document.rootVisualElement;

            Button hostButton = root.Q<Button>(k_ButtonHost);
            Button joinLocalhostButton = root.Q<Button>(k_ButtonJoinLocalHost);
            Button settingsButton = root.Q<Button>(k_ButtonSettings);
            Button quitButton = root.Q<Button>(k_ButtonQuit);

            hostButton.RegisterCallback<ClickEvent>(e => {
                RR.StartHost();

                string worldID = s_MapToHost.StringValue;
                RR.SetServerWorld(worldID);
            });
            joinLocalhostButton.RegisterCallback<ClickEvent>(e => {
                RR.Connect();
            });

            settingsButton.RegisterCallback<ClickEvent>(e => OpenSettings());
            quitButton.RegisterCallback<ClickEvent>(e => Application.Quit());

            OpenMain();
        }

        void OpenMain() {
            m_Document.rootVisualElement.Q<VisualElement>(k_PanelMain).style.display = DisplayStyle.Flex;
            m_Document.rootVisualElement.Q<VisualElement>(k_PanelSettings).style.display = DisplayStyle.None;
        }

        void OpenSettings() {
            m_Document.rootVisualElement.Q<VisualElement>(k_PanelMain).style.display = DisplayStyle.None;
            m_Document.rootVisualElement.Q<VisualElement>(k_PanelSettings).style.display = DisplayStyle.Flex;
        }
    }
}