using System.Globalization;
using UnityEngine;
using UnityEngine.UI;

namespace UIWidgets
{
	[AddComponentMenu("UI/SpinnerFloat", 270)]
	public class SpinnerFloat : SpinnerBase<float>
	{
		[SerializeField]
		private string format = "0.00";

		public OnChangeEventFloat onValueChangeFloat = new OnChangeEventFloat();

		public SubmitEventFloat onEndEditFloat = new SubmitEventFloat();

		private NumberStyles NumberStyle = NumberStyles.AllowLeadingSign | NumberStyles.AllowDecimalPoint | NumberStyles.AllowThousands;

		private CultureInfo Culture = CultureInfo.InvariantCulture;

		public string Format
		{
			get
			{
				return format;
			}
			set
			{
				format = value;
				base.text = _value.ToString(format);
			}
		}

		public SpinnerFloat()
		{
			_max = 100f;
			_step = 1f;
		}

		public override void Plus()
		{
			base.Value += base.Step;
		}

		public override void Minus()
		{
			base.Value -= base.Step;
		}

		protected override void SetValue(float newValue)
		{
			if (_value != InBounds(newValue))
			{
				_value = InBounds(newValue);
				base.text = _value.ToString(format);
				onValueChangeFloat.Invoke(_value);
			}
		}

		protected override void ValueChange(string value)
		{
			if (Validation != SpinnerValidation.OnEndInput)
			{
				if (value.Length == 0)
				{
					value = "0";
				}
				float result;
				if (float.TryParse(value, NumberStyle, Culture, out result))
				{
					SetValue(result);
				}
			}
		}

		protected override void ValueEndEdit(string value)
		{
			if (value.Length == 0)
			{
				value = "0";
			}
			float result;
			if (float.TryParse(value, NumberStyle, Culture, out result))
			{
				SetValue(result);
			}
			onEndEditFloat.Invoke(_value);
		}

		protected override char ValidateShort(string validateText, int charIndex, char addedChar)
		{
			if (charIndex != 0 || validateText.Length <= 0 || validateText[0] != '-')
			{
				if (addedChar >= '0' && addedChar <= '9')
				{
					return addedChar;
				}
				if (addedChar == '-' && charIndex == 0 && base.Min < 0f)
				{
					return addedChar;
				}
				if (addedChar == '.' && base.characterValidation == CharacterValidation.Decimal && !validateText.Contains("."))
				{
					return addedChar;
				}
			}
			return '\0';
		}

		protected override char ValidateFull(string validateText, int charIndex, char addedChar)
		{
			string text = validateText.Insert(charIndex, addedChar.ToString());
			if (base.Min > 0f && charIndex == 0 && addedChar == '-')
			{
				return '\0';
			}
			int num = ((text.Length <= 0 || text[0] != '-') ? 1 : 2);
			if (text.Length >= num)
			{
				float result;
				if (!float.TryParse(text, NumberStyle, Culture, out result))
				{
					return '\0';
				}
				if (result != InBounds(result))
				{
					return '\0';
				}
				_value = result;
			}
			return addedChar;
		}

		protected override float InBounds(float value)
		{
			return Mathf.Clamp(value, _min, _max);
		}
	}
}