using UnityEngine;
using UnityEngine.UI;
using OHM.UnityToolkit.Localization;

namespace OHM.UnityToolkit.UI
{
	public class UIIncrementableCounter : MonoBehaviour
	{
		[SerializeField]
		public float delay;

		[SerializeField]
		public float incDuration = 0.1f;
		[SerializeField]
		public Animator animator;

		[SerializeField]
		public TextWrapper text;

		[SerializeField]
		public bool localized;

		[SerializeField]
		[TextArea]
		public string strFormat;

		private long targetValue;

		private float _lastTargetChangeTime;

		private long _lastTargetChangeValue;

		public long currentValue { get; set; }

		public void Init(long value)
		{
			targetValue = value;
			SetCurrentValue(value);
		}

		public void SetTargetValue(long value)
		{
			if (targetValue == value)
			{
				return;
			}
			if (animator != null && animator.gameObject.activeSelf)
			{
				if (value > targetValue)
				{
					animator.ResetTrigger("Decrement");
					animator.SetTrigger("Increment");
				}
				else
				{
					animator.ResetTrigger("Increment");
					animator.SetTrigger("Decrement");
				}
			}
			_lastTargetChangeTime = Time.unscaledTime;
			_lastTargetChangeValue = currentValue;
			targetValue = value;
		}

		private void Awake()
		{
		}

		private void Update()
		{
			if (currentValue == targetValue)
			{
				return;
			}
			float t = (Time.unscaledTime - _lastTargetChangeTime - delay) / incDuration;
			if (t < 0f)
			{
				return;
			}
			if (t >= 1f)
			{
				SetCurrentValue(targetValue);
				return;
			}
			SetCurrentValue((long)Mathf.Lerp(_lastTargetChangeValue, targetValue, t));
		}

		private void SetCurrentValue(long value)
		{
			currentValue = value;
			string display;
			if (string.IsNullOrEmpty(strFormat))
			{
				display = value.ToString();
			}
			else
			{
				string format = (localized ? LocalizationUtils.Localize(LocalizationManager.Instance.CurrentLocale, strFormat) : strFormat);
				display = string.Format(format, value);
			}
			if (text != null)
			{
				text.text = display;
			}
		}

	}
}