using System;
using TMPro;
using UnityEngine;

namespace UVC.UI
{
    [RequireComponent(typeof(RectTransform))]
    public class UISliderWithLabel : UnityEngine.MonoBehaviour
    {
        private TextMeshProUGUI label;
        private SliderWithEvent slider;

        public int Value
        {
            get
            {
                return (int)slider.value;
            }

            set
            {
                if (slider.value != value)
                {
                    slider.value = value;
                    UpdateLabel();
                }
            }
        }

        public Action<int> OnChangeValue { get; set; }


        public void Init()
        {
            label = GetComponentInChildren<TextMeshProUGUI>();
            slider = GetComponentInChildren<SliderWithEvent>();
            slider.onValueChanged.AddListener(onValueChangedSlider);
            slider.OnClickAction += OnClickSlider;
            slider.OnEndDragAction += OnEndDragSlider;

            slider.value = 1;
            label.text = $"{slider.value}x";
        }


        private void onValueChangedSlider(float value)
        {
            UpdateLabel();
        }

        private void OnClickSlider()
        {
            UpdateLabel();
            DispatchOnChange();
        }

        private void OnEndDragSlider()
        {
            UpdateLabel();
            DispatchOnChange();
        }

        private void DispatchOnChange()
        {
            if (OnChangeValue != null) OnChangeValue.Invoke(Value);
        }

        private void UpdateLabel()
        {
            label.text = $"{slider.value}x";
        }

        private void OnDestroy()
        {
            slider.onValueChanged.RemoveListener(onValueChangedSlider);
            slider.OnClickAction = null;
            slider.OnEndDragAction = null;
        }

    }
}