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

namespace AibisDream.UI
{
    public class TerminalSliderView : MonoBehaviour
    {
        [SerializeField] private TMP_Text labelText;
        [SerializeField] private TMP_Text valueText;
        [SerializeField] private Slider slider;
        [SerializeField] private RectTransform fillRect;

        private string _propName;
        private Action<string, string> _onValueChanged;

        private void Awake()
        {
            if (slider != null)
            {
                slider.onValueChanged.AddListener(OnSliderChanged);
            }
        }

        private void OnDestroy()
        {
            if (slider != null)
            {
                slider.onValueChanged.RemoveListener(OnSliderChanged);
            }
        }

        public void Init(string propName, string label, float minValue, float maxValue, Action<string, string> onValueChanged)
        {
            _propName = propName;
            _onValueChanged = onValueChanged;

            if (labelText != null)
            {
                labelText.text = label;
            }

            if (slider != null)
            {
                slider.minValue = minValue;
                slider.maxValue = maxValue;
            }
        }

        public void SetValue(string value)
        {
            if (!float.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out var parsed))
            {
                parsed = slider != null ? slider.minValue : 0f;
            }

            if (slider != null)
            {
                slider.SetValueWithoutNotify(parsed);
            }

            RefreshValue(parsed);
        }

        private void OnSliderChanged(float value)
        {
            RefreshValue(value);
            _onValueChanged?.Invoke(_propName, value.ToString("0.##", CultureInfo.InvariantCulture));
        }

        private void RefreshValue(float value)
        {
            if (valueText != null)
            {
                if (_propName == "Volume")
                {
                    valueText.text = $"{Mathf.RoundToInt(value * 100)}/100";
                }
                else if (_propName == "TextSpeed")
                {
                    valueText.text = value switch
                    {
                        < 1.5f => "<慢速>",
                        < 4.5f => "<正常>",
                        _ => "<快速>"
                    };
                }
                else
                {
                    valueText.text = value.ToString("0.##", CultureInfo.InvariantCulture);
                }
            }

            if (fillRect != null && slider != null)
            {
                fillRect.anchorMax = new Vector2(slider.normalizedValue, fillRect.anchorMax.y);
            }
        }
    }
}