using System;
using System.Collections;
using System.Collections.Generic;
using BITFALL.Entities.Armor;
using BITFALL.Items.Armor;
using BITKit;
using BITKit.Entities;
using BITKit.Entities.Player;
using BITKit.UX;
using UnityEngine;
using UnityEngine.UIElements;

namespace BITFALL.UX
{
	public class UXArmor : MonoBehaviour
	{
		[SerializeReference,SubclassSelector] private IPlayerService playerService;
		[SerializeField] private VisualTreeAsset armorTemplate;
		
		[Inject] private IArmor _armor;
		[UXBindPath("armor-container")]
		private VisualElement _armorContainer;
		[UXBindPath("armor-name")]
		private Label _armorName;
		[UXBindPath("armor-icon")]
		private VisualElement _armorIcon;
		[UXBindPath("armor-hp")]
		private Label _armorHP;
		[UXBindPath("armor-usage")]
			private Label _armorUsage;
		private void Start()
		{
			playerService.OnPlayerInitialized += OnPlayerInitialized;
			playerService.OnPlayerDisposed += OnPlayerDisposed;
			destroyCancellationToken.Register(() =>
			{
				playerService.OnPlayerInitialized -= OnPlayerInitialized;
				playerService.OnPlayerDisposed -= OnPlayerDisposed;
			});
			BITKit.UX.UXUtils.Inject(this);
		}
		private void OnPlayerDisposed(Entity obj)
		{
			InjectAttribute.Clear(this);
		}
		private void OnPlayerInitialized(Entity obj)
		{
			obj.Inject(this);
			
			_armor.OnPlatesChanged += OnPlatesChanged;
			_armor.OnEquipArmor += OnEquipArmor;
			_armor.OnUnEquipArmor += OnUnEquipArmor;
			_armor.OnArmorChanged += OnArmorChanged;
			
			OnPlatesChanged(_armor.Plates);
			OnUnEquipArmor(null);
		}

		private void OnArmorChanged(int obj)
		{
			_armorHP.text = $"{obj}HP";
		}

		private void OnUnEquipArmor(IBasicItem obj)
		{
			_armorIcon.style.backgroundImage = null;
			_armorName.text = "未装备护甲";
		}

		private void OnEquipArmor(IBasicItem obj)
		{
			_armorIcon.style.backgroundImage = obj.GetAssetable().SquareIcon;
			_armorName.text = obj.Name;
		}

		private void OnPlatesChanged(IBasicItem[] obj)
		{
			_armorContainer.Clear();
			
			_armorUsage.text = $"{_armor.Plates.Length}/{_armor.PlateCapacity}";
			
			for (var index = 0; index < obj.Length; index++)
			{
				var currentIndex = index;
				var x = obj[index];
				var armor = x.GetOrCreateProperty<AsArmor>();
				var container = new UXContainer(_armorContainer.Create(armorTemplate));
				container.Get<Label>(0).text = x.Name;
				container.Get<Label>(1).text = $"{armor.CurrentPoint}/{armor.MaxPoint}";
				container.icon.style.backgroundImage = x.GetAssetable().SquareIcon;
				container.SetProcess((float)armor.CurrentPoint / armor.MaxPoint);

				container.visualElement.Q(UXConstant.ProcessBarFill).style.backgroundColor =
					ScriptableItem.GetQualityColor(x.Quality);

				container.button.clicked += Clicked;

				continue;
				void Clicked()
				{
					_armor.UninstallArmor(currentIndex);
				}
			}
		}
	}

}