using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;

namespace BITKit.UX
{
	public class ProgressBlock : VisualElement
	{
		public new class UxmlTraits : VisualElement.UxmlTraits
		{
			private readonly UxmlIntAttributeDescription m_ValueAttribute = new ()
			{
				name = "Value",defaultValue = 50
			};
			private readonly UxmlIntAttributeDescription m_SeparateAttribute = new ()
			{
				name = "Separate",defaultValue = 5
			};

			public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)
			{
				base.Init(ve, bag, cc);
				var x = (ProgressBlock)ve;
				x.Value = m_ValueAttribute.GetValueFromBag(bag, cc);
				x.Separate = m_SeparateAttribute.GetValueFromBag(bag, cc);
			}
		}
		public ProgressBlock() : base()
		{
			
		}
		public new class UxmlFactory : UxmlFactory<ProgressBlock, UxmlTraits> { }
		/// <summary>
		/// 值,默认50,范围0-100
		/// </summary>
		public int Value
		{
			get => value;
			set
			{
				this.value = value;
				Rebuild();
			}
		}
		private int value;
		/// <summary>
		/// 分割线,默认5
		/// </summary>
		public int Separate
		{
			get => separate;
			set
			{
				this.separate = value;
				Rebuild();
			}
		}
		private int separate;
		private void Rebuild()
		{
			Clear();
			//if value is 58
			for (var i = 1; i <= Separate; i++)
			{
				var block = this.Create<VisualElement>();
				block.style.flexGrow = 1;

				if (i * 10 < Value)
				{
					block.style.opacity = 1;
				}else if ((i + 1) * 10 > value)
				{
					block.style.opacity = 0.5f;
				}
				else
				{
					block.style.opacity = 0;
				}
			}
		}
	}

}