using System;
using UnityEngine;

namespace SLSUtilities.General
{
    public static class MathExtensions
    {
        public static float ClampAngle(float lfAngle, float lfMin, float lfMax)
        {
            if (lfAngle < -360f) lfAngle += 360f;
            if (lfAngle > 360f) lfAngle -= 360f;
            return Mathf.Clamp(lfAngle, lfMin, lfMax);
        }
        
        public static Vector3 Flatten(this Vector3 vector)
        {
            return new Vector3(vector.x, 0, vector.z);
        }

        public static float Average(params float[] values)
        {
            if (values.Length == 0) return 0f;
            float sum = 0f;
            foreach (float value in values)
            {
                sum += value;
            }
            return sum / values.Length;
        }
    }

    public abstract class LerpValue<T>
    {
        public T currentValue;
        public T targetValue;
        public bool IsPausing { get; set; }
        
        public bool advancedSettings = false;
        
        public abstract void Update(float deltaTime);

        public abstract void Update(float customSpeed, float deltaTime);

        public void Reset()
        {
            currentValue = targetValue;
        }
    }
    
    public class LerpFloat : LerpValue<float>
    {
        public float lerpSpeed;
        public float increaseSpeed;
        public float decreaseSpeed;

        public LerpFloat(float initialValue, float lerpSpeed)
        {
            this.currentValue = initialValue;
            this.targetValue = initialValue;
            this.advancedSettings = false;
            this.lerpSpeed = lerpSpeed;
        }
        
        public LerpFloat(float initialValue, float increaseSpeed, float decreaseSpeed)
        {
            this.currentValue = initialValue;
            this.targetValue = initialValue;
            this.advancedSettings = true;
            this.increaseSpeed = increaseSpeed;
            this.decreaseSpeed = decreaseSpeed;
        }

        public override void Update(float deltaTime)
        {
            if (IsPausing) return;
            
            if (advancedSettings)
            {
                if(targetValue > currentValue)
                {
                    currentValue = Mathf.Lerp(currentValue, targetValue, increaseSpeed * deltaTime);
                }
                else
                {
                    currentValue = Mathf.Lerp(currentValue, targetValue, decreaseSpeed * deltaTime);
                }
            }
            else
            {
                currentValue = Mathf.Lerp(currentValue, targetValue, lerpSpeed * deltaTime);
            }
        }
        
        public override void Update(float customSpeed, float deltaTime)
        {
            currentValue = Mathf.Lerp(currentValue, targetValue, customSpeed * deltaTime);
        }
    }
    
    public class LerpVector3
    {
        public Vector3 currentValue;
        public Vector3 targetValue;
        public float lerpSpeed;

        public LerpVector3(Vector3 initialValue, float lerpSpeed)
        {
            this.currentValue = initialValue;
            this.targetValue = initialValue;
            this.lerpSpeed = lerpSpeed;
        }

        public void Update(float deltaTime)
        {
            currentValue = Vector3.Lerp(currentValue, targetValue, lerpSpeed * deltaTime);
        }
        
        public void Update(float customSpeed, float deltaTime)
        {
            currentValue = Vector3.Lerp(currentValue, targetValue, customSpeed * deltaTime);
        }
    }

    public class LerpColor
    {
        public Color currentValue;
        public Color targetValue;
        public float lerpSpeed;

        public LerpColor(Color initialValue, float lerpSpeed)
        {
            this.currentValue = initialValue;
            this.targetValue = initialValue;
            this.lerpSpeed = lerpSpeed;
        }

        public void Update(float deltaTime)
        {
            currentValue = Color.Lerp(currentValue, targetValue, lerpSpeed * deltaTime);
        }

        public void Update(float customSpeed, float deltaTime)
        {
            currentValue = Color.Lerp(currentValue, targetValue, customSpeed * deltaTime);
        }
    }
}