using System;
using System.Collections;
using System.Collections.Generic;
using I2.Loc;
using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

namespace Ichni.UI
{
    public partial class ValueModifier : SettingsUIElementBase
    {
        public int intValue;
        public int intStep;
        public int intMin;
        public int intMax;
        
        public ModifyValueButton increaseButton;
        public ModifyValueButton decreaseButton;
        public TMP_Text valueText;

        public Image barImage;
        
        public string prefix;
        public string suffix;
        public bool showPositiveMark;
        
        public void SetUp(int initialValue, int step, string title = "")
        {
            intStep = step;
            intMin = int.MinValue;
            intMax = int.MaxValue;

            base.SetUp(title);
            
            increaseButton.SetUpButton(IncreaseValue, IncreaseValue);
            decreaseButton.SetUpButton(DecreaseValue, DecreaseValue);
            SetValue(initialValue);
            UpdateValueText();
        }
        
        public void SetMinMax(int min, int max)
        {
            intMin = Convert.ToInt32(min);
            intMax = Convert.ToInt32(max);
        }
        
        public void SetPrefixAndSuffix(string prefix, string suffix, bool showPositiveMark)
        {
            this.showPositiveMark = showPositiveMark;
            this.prefix = prefix;
            this.suffix = suffix;
            UpdateValueText();
        }
    }

    public partial class ValueModifier
    {
        public int GetNearestValue(float percentage)
        {
            int valueRange = intMax - intMin;
            int stepCount = Mathf.RoundToInt(percentage * valueRange / intStep);
            int nearestValue = intMin + stepCount * intStep;
            
            return nearestValue;
        }
    }
    
    public partial class ValueModifier
    {
        public void SetValue(int value)
        {
            intValue = Convert.ToInt32(value);
            intValue = Mathf.Clamp(intValue, intMin, intMax);
            
            UpdateValueText();
        }
        
        public void IncreaseValue()
        {
            intValue += intStep;
            intValue = Mathf.Clamp(intValue, intMin, intMax);
            
            UpdateValueText();
        }
        
        public void DecreaseValue()
        {
            intValue -= intStep;
            intValue = Mathf.Clamp(intValue, intMin, intMax);
            
            UpdateValueText();
        }
        
        public void UpdateValueText()
        {
            valueText.text = prefix + (showPositiveMark && intValue > 0 ? "+" : "") + intValue.ToString() + suffix;
            barImage.rectTransform.sizeDelta = new Vector2((float)(intValue - intMin) / (intMax - intMin) * 660, 20);
            
            updateValueAction?.Invoke();
        }

        public int GetValue()
        {
            return intValue;
        }
    }
}