using System.Collections;
using System.Collections.Generic;
using Kill.Bluetooth;
using Kill.Bluetooth.Protocol;
using Kill.Core;
using Kill.Managers;
using Kill.UI.Components;
using UnityEngine.UI;
using UnityEngine;
using System;
using Unity.VisualScripting;

namespace Kill.UI.Pages
{
    public class LCDSetting : MonoBehaviour
    {
        public Switch autoSwitch;
        public MutiSelectPage dormancy;
        public Slider brightnessSlider;
        public Text brightnessValueText;
        public Text dormancyValueText;

        // 休眠选项对应的语言键值和实际值
        // 索引0=1分钟, 1=5分钟, 2=10分钟, 3=30分钟, 4=关闭休眠
        private List<string> dormancyKeyList = new List<string> { "100176", "100177", "100178", "100179", "100175" };
        private List<string> dormancyStrList = new List<string>();
        // 休眠时间值: 1分钟, 5分钟, 10分钟, 30分钟, 0(关闭)
        private List<byte> dormancyValueList = new List<byte> { 0x01, 0x05, 0x0A, 0x1E, 0x00 };

        private LCDBrightnessSetting brightnessSetting;
        private LCDSleepSetting sleepSetting;
        private Action callback;

        public void Init(Action callback)
        {
            this.callback = callback;
            InitLanguageText();
            ReadLCDSettings();
            UIManager.Instance.RegisterBackAction(Back);
        }

        /// <summary>
        /// 初始化语言文本
        /// </summary>
        private void InitLanguageText()
        {
            dormancyStrList.Clear();
            foreach (var key in dormancyKeyList)
            {
                dormancyStrList.Add(LanguageManager.Instance.GetLanguage(key));
            }
        }

        /// <summary>
        /// 读取LCD设置
        /// </summary>
        private void ReadLCDSettings()
        {
#if UNITY_EDITOR
            // 编辑器模式下使用默认值
            brightnessSetting = new LCDBrightnessSetting
            {
                AutoBrightness = false,
                Brightness = 80
            };
            sleepSetting = new LCDSleepSetting
            {
                Enable = true,
                SleepTime = 0x05 // 5分钟
            };
            UpdateUI();
            return;
#endif
            LoadingUI.Show();

            // 读取亮度设置
            BLECommunicationManager.Instance.ReadLCDBrightnessSetting((brightness) =>
            {
                Loom.QueueOnMainThread(() =>
                {
                    brightnessSetting = brightness;
                    // 读取休眠设置
                    BLECommunicationManager.Instance.ReadLCDSleepSetting((sleep) =>
                    {
                        Loom.QueueOnMainThread(() =>
                        {
                            sleepSetting = sleep;
                            UpdateUI();
                        });
                    });
                });
            });
        }

        /// <summary>
        /// 写入LCD亮度设置
        /// </summary>
        private void WriteBrightnessSetting()
        {
#if UNITY_EDITOR
            UpdateUI();
            return;
#endif
            LoadingUI.Show();
            BLECommunicationManager.Instance.WriteLCDBrightnessSetting(brightnessSetting, (success) =>
            {
                Loom.QueueOnMainThread(() =>
                {
                    if (success)
                    {
                        UpdateUI();
                    }
                    else
                    {
                        // 写入失败，重新读取
                        ReadLCDSettings();
                    }
                });
            });
        }

        /// <summary>
        /// 写入LCD休眠设置
        /// </summary>
        private void WriteSleepSetting()
        {
#if UNITY_EDITOR
            UpdateUI();
            return;
#endif
            LoadingUI.Show();
            BLECommunicationManager.Instance.WriteLCDSleepSetting(sleepSetting, (success) =>
            {
                Loom.QueueOnMainThread(() =>
                {
                    if (success)
                    {
                        UpdateUI();
                    }
                    else
                    {
                        // 写入失败，重新读取
                        ReadLCDSettings();
                    }
                });
            });
        }

        /// <summary>
        /// 更新UI显示
        /// </summary>
        private void UpdateUI()
        {
            // 更新自动亮度开关
            autoSwitch.Init(brightnessSetting.AutoBrightness, OnAutoSwitchChanged);

            // 更新亮度滑块
            brightnessSlider.value = brightnessSetting.Brightness;
            brightnessSlider.onValueChanged.RemoveAllListeners();
            brightnessSlider.onValueChanged.AddListener(OnBrightnessChanged);
            if (brightnessValueText != null)
            {
                brightnessValueText.text = $"{brightnessSetting.Brightness}%";
            }

            // 更新休眠显示
            int dormancyIndex = GetDormancyIndexFromValue(sleepSetting.SleepTime);
            if (dormancyValueText != null && dormancyIndex >= 0 && dormancyIndex < dormancyStrList.Count)
            {
                dormancyValueText.text = dormancyStrList[dormancyIndex];
            }

            LoadingUI.Hide();
            UIManager.Instance.RegisterBackAction(Back);
        }

        /// <summary>
        /// 自动亮度开关变化
        /// </summary>
        private void OnAutoSwitchChanged(bool isOn)
        {
            brightnessSetting.AutoBrightness = isOn;
            WriteBrightnessSetting();
        }
        Coroutine brightnessChangeCoroutine;
        /// <summary>
        /// 亮度滑块变化
        /// </summary>
        private void OnBrightnessChanged(float value)
        {
            byte brightness = (byte)Mathf.Clamp(value, 10, 100);
            brightnessSetting.Brightness = brightness;
            if (brightnessValueText != null)
            {
                brightnessValueText.text = $"{brightness}%";
            }
            if (brightnessChangeCoroutine != null)
            {
                StopCoroutine(brightnessChangeCoroutine);
            }
            brightnessChangeCoroutine = StartCoroutine(CountDownAndWriteMultimediaSetting(0.5f));
        }
        private IEnumerator CountDownAndWriteMultimediaSetting(float delay)
        {
            yield return new WaitForSeconds(delay);
            OnBrightnessSliderEndDrag();
        }
        /// <summary>
        /// 亮度滑块拖动结束
        /// </summary>
        public void OnBrightnessSliderEndDrag()
        {
            WriteBrightnessSetting();
        }

        /// <summary>
        /// 点击休眠设置
        /// </summary>
        public void ClickDormancy()
        {
            MutiSelectPage m = Instantiate(dormancy.gameObject, transform).GetComponent<MutiSelectPage>();
            int currentIndex = GetDormancyIndexFromValue(sleepSetting.SleepTime);
            m.Init(currentIndex, OnDormancySelected);
            m.gameObject.SetActive(true);
            UIManager.Instance.RegisterBackAction(m.Cancel);
        }

        /// <summary>
        /// 休眠选项选择回调
        /// </summary>
        private void OnDormancySelected(int index)
        {
            if (index >= 0 && index < dormancyValueList.Count)
            {
                byte sleepValue = dormancyValueList[index];
                // 索引4是关闭休眠(值为0)，其他是开启休眠
                sleepSetting.Enable = (index != 4);
                sleepSetting.SleepTime = sleepValue;
                WriteSleepSetting();
            }
        }

        /// <summary>
        /// 根据休眠值获取选项索引
        /// </summary>
        private int GetDormancyIndexFromValue(byte value)
        {
            for (int i = 0; i < dormancyValueList.Count; i++)
            {
                if (dormancyValueList[i] == value)
                {
                    return i;
                }
            }
            // 默认值返回5分钟(索引1)
            return 1;
        }

        public void Back()
        {
            callback?.Invoke();
            Destroy(gameObject);
        }
    }
}