using System;
using System.Collections.Generic;
using System.Linq;
using Global;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.Serialization;
using UnityEngine.UIElements;

namespace Menu {
	public class RoomUI {
		public VisualElement Root { get; set; }

		private DropdownField difficultyField;
		
		public void Show() {
			difficultyField = Root.Q<DropdownField>("Difficulty");
			
			difficultyField.choices = Enum.GetNames(typeof(Difficulty)).ToList();
			difficultyField.RegisterValueChangedCallback(evt => RoomSettings.AIDifficulty = Enum.Parse<Difficulty>(evt.newValue));
			difficultyField.index = 2;

			SliderInt slider = Root.Q<SliderInt>("CustomWinScore");
			slider.style.visibility = Visibility.Hidden;
			slider.RegisterValueChangedCallback(evt => {
				RoomSettings.CustomWinScore = evt.newValue;
				slider.Q<Label>().text = evt.newValue.ToString();
			});
			slider.value = 20;

			Toggle toggle = Root.Q<Toggle>("WinScore");
			toggle.RegisterValueChangedCallback(evt => {
				slider.style.visibility = evt.newValue ? Visibility.Visible : Visibility.Hidden;
				RoomSettings.WinScore = evt.newValue ? WinScore.Custom : WinScore.Default;
			});
			toggle.value = false;

			Button startButton = Root.Q<Button>("Start");
			startButton.clicked += () => {
				SceneManager.LoadScene("Game");
			};

			Root.style.display = DisplayStyle.Flex;
		}

		public void Hide() {
			Root.style.display = DisplayStyle.None;
		}

		private void BackToMainMenu() {
			Hide();
			MainUI.Instance.mainMenuUI.ResetAndShow();
		}
	}
}