using UnityEngine;
using UnityEngine.Rendering.Universal;
using System.Collections;
using System.Collections.Generic;
using AibisDream.Framework;
using DG.Tweening;  // 添加DOTween引用

namespace AibisDream.FixSystem
{
    public class FixLightSystem : MonoBehaviour
    {
        private void Awake()
        {
            // 注册系统
            FixSystemCenter.SystemDic.Register(this);
            
            // 自动获取呼吸灯的SpriteRenderer
            if (breathingLight != null)
            {
                breathingLightSprite = breathingLight.GetComponentInParent<SpriteRenderer>();
            }

            // 自动获取小灯的SpriteRenderer
            smallLightSprites.Clear();
            foreach (var light in smallLights)
            {
                if (light != null)
                {
                    var spriteRenderer = light.GetComponentInParent<SpriteRenderer>();
                    smallLightSprites.Add(spriteRenderer);
                }
            }
        }


        [Header("呼吸灯设置")]
        [SerializeField] private Light2D breathingLight;
         private SpriteRenderer breathingLightSprite;
        [SerializeField] private float normalBreathingSpeed = 1f;
        [SerializeField] private float warningBreathingSpeed = 2f;
        [SerializeField] private float emergencyBreathingSpeed = 3f;
        [SerializeField] private Color normalColor = Color.green;
        [SerializeField] private Color warningColor = Color.yellow;
        [SerializeField] private Color emergencyColor = Color.red;
        [SerializeField] private RobotECGWave ecgWave;

        [Header("小灯设置")]
        [SerializeField] private List<Light2D> smallLights = new List<Light2D>();
         private List<SpriteRenderer> smallLightSprites = new List<SpriteRenderer>();
        [SerializeField] private float smallLightBlinkInterval = 0.5f;
        [SerializeField] private int currentSmallLightIndex = 0;
        [SerializeField] private Color smallLightDefaultColor = Color.yellow;
        [SerializeField] private Color smallLightNormalColor = Color.green;
        [SerializeField] private Color smallLightErrorColor = Color.red;
        [SerializeField] private float operationBlinkDuration = 1f;
        [SerializeField] private float operationBlinkInterval = 0.1f;

        [Header("环境灯设置")]
        [SerializeField] private Light2D environmentLight;
        [SerializeField] private bool isEnvironmentLightFlickering = false;
        [SerializeField] private float normalEnvironmentIntensity = 1f;
        [SerializeField] private float warningEnvironmentIntensity = 1f;
        [SerializeField] private float emergencyEnvironmentIntensity = 1f;
        [SerializeField] private float brokenLightFlickerInterval = 0.1f;
        [SerializeField] private float brokenLightFlickerDuration = 0.05f;
        [SerializeField] private float brokenLightPatternInterval = 2f;
        [SerializeField] private float brokenLightDarkDuration = 0.8f;
        [SerializeField] private Color normalEnvironmentColor = Color.white;
        [SerializeField] private Color warningEnvironmentColor = Color.yellow;
        [SerializeField] private Color emergencyEnvironmentColor = Color.red;

        [Header("音频设置")]
        [SerializeField] private AudioSource audioSource;

        [Header("面板灯设置")]
        [SerializeField] private Light2D panelLight;
        [SerializeField] private float panelLightIntensity = 1f;
        [SerializeField] private float panelLightBlinkDuration = 0.2f;
        [SerializeField] private int panelLightBlinkCount = 2;
        [SerializeField] private Color panelLightColor = Color.white;

        [SerializeField] private bool isSystemOn = false; // 系统开关状态

        private LightState currentState = LightState.Normal;
        private SmallLightState smallLightState = SmallLightState.Default;
        private SmallLightStatus smallLightStatus = SmallLightStatus.Normal;
        private Coroutine currentBreathingCoroutine;
        private Tween breathingTween;  // 添加Tween引用
        private bool isSystemStarting = false;

        public enum LightState
        {
            Normal,
            Warning,
            Emergency
        }

        public enum SmallLightState
        {
            Default,
            Operation
        }

        public enum SmallLightStatus
        {
            Normal,
            Error
        }

        private void Start()
        {
            InitializeSystemState();
            SetEnvironmentLightBroken();
            SetEnvironmentLightFlickering(isEnvironmentLightFlickering);
            StartCoroutine(SmallLightsBlinkRoutine());
            SetSmallLightState(SmallLightState.Default);
        }

        private void InitializeSystemState()
        {
            if (isSystemOn)
            {
                // 系统开启时的初始化
                if (breathingLight != null)
                {
                    breathingLight.color = normalColor;
                    breathingLight.intensity = 1f;
                    if (breathingLightSprite != null)
                    {
                        breathingLightSprite.color = normalColor;
                    }
                }

                // 初始化小灯
                foreach (var light in smallLights)
                {
                    if (light != null)
                    {
                        light.color = smallLightDefaultColor;
                        light.intensity = 1f;
                    }
                }
                foreach (var sprite in smallLightSprites)
                {
                    if (sprite != null)
                    {
                        sprite.color = smallLightDefaultColor;
                    }
                }

                // 初始化面板灯
                if (panelLight != null)
                {
                    panelLight.color = panelLightColor;
                    panelLight.intensity = panelLightIntensity;
                }

                // 初始化ECG波形
                if (ecgWave != null)
                {
                    ecgWave.gameObject.SetActive(true);
                }
            }
            else
            {
                // 系统关闭时的初始化
                if (breathingLight != null)
                {
                    breathingLight.intensity = 0f;
                    if (breathingLightSprite != null)
                    {
                        breathingLightSprite.color = new Color(normalColor.r, normalColor.g, normalColor.b, 0f);
                    }
                }

                // 关闭所有小灯
                foreach (var light in smallLights)
                {
                    if (light != null)
                    {
                        light.intensity = 0f;
                    }
                }
                foreach (var sprite in smallLightSprites)
                {
                    if (sprite != null)
                    {
                        sprite.color = new Color(0f, 0f, 0f, 0f);
                    }
                }

                // 关闭面板灯
                if (panelLight != null)
                {
                    panelLight.intensity = 0f;
                }

                // 关闭ECG波形
                if (ecgWave != null)
                {
                    ecgWave.gameObject.SetActive(false);
                }
            }
        }

        private void Update()
        {
        }

        public void SetLightState(LightState newState)
        {
            if (!isSystemOn) return;  // 如果系统未开启，不处理状态变化
            
            if (currentState != newState)
            {
                currentState = newState;
                UpdateLightsState();
                Debug.Log($"灯光状态已切换为: {newState}");
            }
        }

        private void UpdateLightsState()
        {
            Color targetColor;
            float breathingSpeed;
            RobotECGWave.WaveType waveType;
            Color environmentColor;
            float environmentIntensity;

            switch (currentState)
            {
                case LightState.Normal:
                    targetColor = normalColor;
                    breathingSpeed = normalBreathingSpeed;
                    waveType = RobotECGWave.WaveType.RobotECG;
                    environmentColor = normalEnvironmentColor;
                    environmentIntensity = normalEnvironmentIntensity;
                    break;
                case LightState.Warning:
                    targetColor = warningColor;
                    breathingSpeed = warningBreathingSpeed;
                    waveType = RobotECGWave.WaveType.Warning;
                    environmentColor = warningEnvironmentColor;
                    environmentIntensity = warningEnvironmentIntensity;
                    break;
                case LightState.Emergency:
                    targetColor = emergencyColor;
                    breathingSpeed = emergencyBreathingSpeed;
                    waveType = RobotECGWave.WaveType.Noise;
                    environmentColor = emergencyEnvironmentColor;
                    environmentIntensity = emergencyEnvironmentIntensity;
                    break;
                default:
                    targetColor = normalColor;
                    breathingSpeed = normalBreathingSpeed;
                    waveType = RobotECGWave.WaveType.RobotECG;
                    environmentColor = normalEnvironmentColor;
                    environmentIntensity = normalEnvironmentIntensity;
                    break;
            }

            Debug.Log($"更新灯光状态: {currentState}, 目标颜色: {targetColor}, 呼吸速度: {breathingSpeed}");

            // 更新呼吸灯
            if (breathingLight != null)
            {
                breathingLight.color = targetColor;
                if (breathingLightSprite != null)
                {
                    breathingLightSprite.color = targetColor;
                }

                // 使用DOTween实现呼吸效果
                breathingTween?.Kill();
                breathingTween = DOTween.To(
                    () => breathingLight.intensity,
                    x => breathingLight.intensity = x,
                    1f,
                    1f / breathingSpeed
                )
                .SetLoops(-1, LoopType.Yoyo)
                .SetEase(Ease.InOutSine);
            }
            else
            {
                Debug.LogWarning("呼吸灯组件未设置！");
            }

            // 更新波形
            if (ecgWave != null)
            {
                ecgWave.SetWaveType(waveType);
            }
            else
            {
                Debug.LogWarning("ECG波形组件未设置！");
            }

            // 更新环境灯颜色和强度（独立于系统开关状态）
            if (environmentLight != null)
            {
                environmentLight.color = environmentColor;
                environmentLight.intensity = environmentIntensity;
            }
        }

        public void SetSmallLightState(SmallLightState newState)
        {
            if (smallLightState != newState)
            {
                smallLightState = newState;
                if (newState == SmallLightState.Default)
                {
                    smallLightStatus = SmallLightStatus.Normal;
                }
                StartCoroutine(HandleSmallLightStateChange());
            }
        }

        public void SetSmallLightStatus(SmallLightStatus newStatus)
        {
            if (smallLightStatus != newStatus)
            {
                smallLightStatus = newStatus;
                UpdateSmallLightsStatus();
            }
        }

        private IEnumerator HandleSmallLightStateChange()
        {
            if (smallLightState == SmallLightState.Operation)
            {
                // 快速随机闪烁
                float endTime = Time.time + operationBlinkDuration;
                while (Time.time < endTime)
                {
                    foreach (var light in smallLights)
                    {
                        if (light != null)
                        {
                            light.intensity = Random.value > 0.5f ? 1f : 0f;
                        }
                    }
                    yield return new WaitForSeconds(operationBlinkInterval);
                }
                
                // 切换到常亮状态，根据当前LightState设置颜色
                Color targetColor = currentState switch
                {
                    LightState.Normal => smallLightNormalColor,
                    LightState.Warning => warningColor,
                    LightState.Emergency => emergencyColor,
                    _ => smallLightNormalColor
                };

                for (int i = 0; i < smallLights.Count; i++)
                {
                    if (smallLights[i] != null)
                    {
                        smallLights[i].color = targetColor;
                        smallLights[i].intensity = 1f;
                        if (i < smallLightSprites.Count && smallLightSprites[i] != null)
                        {
                            smallLightSprites[i].color = targetColor;
                        }
                    }
                }
            }
            else
            {
                // 恢复到默认状态（只有第一个灯闪烁）
                currentSmallLightIndex = 0;
                foreach (var light in smallLights)
                {
                    if (light != null)
                    {
                        light.color = smallLightDefaultColor;
                        light.intensity = 0f;
                    }
                }
                if (smallLights.Count > 0 && smallLights[0] != null)
                {
                    smallLights[0].intensity = 1f;
                    if (smallLightSprites.Count > 0 && smallLightSprites[0] != null)
                    {
                        smallLightSprites[0].color = smallLightDefaultColor;
                    }
                }
            }
        }

        private void UpdateSmallLightsStatus()
        {
            Color targetColor = smallLightStatus == SmallLightStatus.Normal ? smallLightNormalColor : smallLightErrorColor;
            foreach (var light in smallLights)
            {
                if (light != null)
                {
                    light.color = targetColor;
                    light.intensity = 1f;
                }
            }
        }

        private IEnumerator SmallLightsBlinkRoutine()
        {
            while (true)
            {
                if (!isSystemOn)
                {
                    // 系统关闭时，所有小灯都关闭
                    for (int i = 0; i < smallLights.Count; i++)
                    {
                        if (smallLights[i] != null)
                        {
                            smallLights[i].intensity = 0f;
                            if (i < smallLightSprites.Count && smallLightSprites[i] != null)
                            {
                                smallLightSprites[i].color = new Color(0f, 0f, 0f, 0f);
                            }
                        }
                    }
                }
                else if (smallLightState == SmallLightState.Default)
                {
                    // 关闭所有小灯
                    for (int i = 0; i < smallLights.Count; i++)
                    {
                        if (smallLights[i] != null)
                        {
                            smallLights[i].intensity = 0f;
                            if (i < smallLightSprites.Count && smallLightSprites[i] != null)
                            {
                                smallLightSprites[i].color = new Color(smallLightDefaultColor.r, smallLightDefaultColor.g, smallLightDefaultColor.b, 0f);
                            }
                        }
                    }

                    // 只有第一个灯闪烁黄色
                    if (smallLights.Count > 0 && smallLights[0] != null)
                    {
                        smallLights[0].color = smallLightDefaultColor;
                        smallLights[0].intensity = 1f;
                        if (smallLightSprites.Count > 0 && smallLightSprites[0] != null)
                        {
                            smallLightSprites[0].color = smallLightDefaultColor;
                        }
                    }
                }

                yield return new WaitForSeconds(smallLightBlinkInterval);
            }
        }

        public void SetEnvironmentLightBroken()
        {
            if (environmentLight != null)
            {
                environmentLight.color = currentState switch
                {
                    LightState.Normal => normalEnvironmentColor,
                    LightState.Warning => warningEnvironmentColor,
                    LightState.Emergency => emergencyEnvironmentColor,
                    _ => normalEnvironmentColor
                };
            }
        }

        public void SetEnvironmentLightFlickering(bool isFlickering)
        {
            if (isEnvironmentLightFlickering != isFlickering)
            {
                isEnvironmentLightFlickering = isFlickering;
                if (isFlickering)
                {
                    StartCoroutine(EnvironmentLightFlickerRoutine());
                }
            }
        }

        private IEnumerator EnvironmentLightFlickerRoutine()
        {
            while (isEnvironmentLightFlickering)
            {
                if (environmentLight != null)
                {
                    // 获取当前状态对应的强度
                    float currentIntensity = currentState switch
                    {
                        LightState.Normal => normalEnvironmentIntensity,
                        LightState.Warning => warningEnvironmentIntensity,
                        LightState.Emergency => emergencyEnvironmentIntensity,
                        _ => normalEnvironmentIntensity
                    };

                    // 默认保持亮起
                    environmentLight.intensity = currentIntensity;

                    // 等待随机间隔（3-8秒）
                    yield return new WaitForSeconds(Random.Range(3f, 8f));

                    // 随机闪烁2-3次
                    int blinkCount = Random.Range(2, 4);
                    for (int i = 0; i < blinkCount; i++)
                    {
                        // 关闭
                        environmentLight.intensity = 0f;
                        yield return new WaitForSeconds(brokenLightFlickerDuration);

                        // 打开
                        environmentLight.intensity = currentIntensity;
                        yield return new WaitForSeconds(brokenLightFlickerInterval);
                    }
                }
                else
                {
                    yield return new WaitForSeconds(0.1f);
                }
            }

            // 确保灯光在停止闪烁时是亮着的
            if (environmentLight != null)
            {
                float currentIntensity = currentState switch
                {
                    LightState.Normal => normalEnvironmentIntensity,
                    LightState.Warning => warningEnvironmentIntensity,
                    LightState.Emergency => emergencyEnvironmentIntensity,
                    _ => normalEnvironmentIntensity
                };
                environmentLight.intensity = currentIntensity;
            }
        }

        private void OnDestroy()
        {
            // 清理所有Tween
            breathingTween?.Kill();
        }

        public void StartSystem()
        {
            if (isSystemStarting) return;
            isSystemStarting = true;
            StartCoroutine(SystemStartSequence());
        }

        public void SetSystemPower(bool isOn)
        {
            isSystemOn = isOn;
            if (!isOn)
            {
                // 关闭所有灯光（除了环境灯）
                if (breathingLight != null)
                {
                    breathingLight.intensity = 0f;
                    if (breathingLightSprite != null)
                    {
                        breathingLightSprite.color = new Color(normalColor.r, normalColor.g, normalColor.b, 0f);
                    }
                }
                if (panelLight != null)
                {
                    panelLight.intensity = 0f;
                }
                if (ecgWave != null)
                {
                    ecgWave.gameObject.SetActive(false);
                }
                // 关闭所有小灯
                for (int i = 0; i < smallLights.Count; i++)
                {
                    if (smallLights[i] != null)
                    {
                        smallLights[i].intensity = 0f;
                        if (i < smallLightSprites.Count && smallLightSprites[i] != null)
                        {
                            smallLightSprites[i].color = new Color(0f, 0f, 0f, 0f);
                        }
                    }
                }
            }
            else
            {
                // 系统开启时，从Normal状态开始
                //currentState = LightState.Normal;
                UpdateLightsState();
            }
        }

        private IEnumerator SystemStartSequence()
        {
            // 1. 激活ECG波形
            if (ecgWave != null)
            {
                ecgWave.gameObject.SetActive(true);
            }
            yield return new WaitForSeconds(0.1f);
            ecgWave.gameObject.SetActive(false);
            yield return new WaitForSeconds(0.1f);
            ecgWave.gameObject.SetActive(true);
            yield return new WaitForSeconds(0.2f);
            // 2. 小灯自检模式
            yield return StartCoroutine(SmallLightsSelfCheck());

            // 3. 启动呼吸灯
            if (breathingLight != null)
            {
                breathingLight.intensity = 1f;
                if (breathingLightSprite != null)
                {
                    breathingLightSprite.color = normalColor;
                }
            }
            yield return new WaitForSeconds(0.5f);

            // 4. 启动面板灯
            if (panelLight != null)
            {
                // 闪烁两次
                for (int i = 0; i < panelLightBlinkCount; i++)
                {
                    panelLight.intensity = panelLightIntensity;
                    yield return new WaitForSeconds(panelLightBlinkDuration);
                    panelLight.intensity = 0f;
                    yield return new WaitForSeconds(panelLightBlinkDuration);
                }
                // 常亮
                panelLight.intensity = panelLightIntensity;
            }

            // 5. 设置系统状态为Normal
            SetSystemPower(true);  // 开启系统
            isSystemStarting = false;
        }

        private IEnumerator SmallLightsSelfCheck()
        {
            // 关闭所有小灯
            foreach (var light in smallLights)
            {
                if (light != null)
                {
                    light.intensity = 0f;
                }
            }

            // 自检两次
            for (int check = 0; check < 2; check++)
            {
                // 从左到右点亮
                for (int i = 0; i < smallLights.Count; i++)
                {
                    if (smallLights[i] != null)
                    {
                        smallLights[i].color = smallLightDefaultColor;
                        smallLights[i].intensity = 1f;
                        if (i < smallLightSprites.Count && smallLightSprites[i] != null)
                        {
                            smallLightSprites[i].color = smallLightDefaultColor;
                        }
                    }
                    yield return new WaitForSeconds(0.05f);
                }

                // 关闭所有灯
                foreach (var light in smallLights)
                {
                    if (light != null)
                    {
                        light.intensity = 0f;
                    }
                }
                yield return new WaitForSeconds(0.1f);
            }

            // 恢复到默认状态（只有第一个灯闪烁）
            if (smallLights.Count > 0 && smallLights[0] != null)
            {
                smallLights[0].color = smallLightDefaultColor;
                smallLights[0].intensity = 1f;
                if (smallLightSprites.Count > 0 && smallLightSprites[0] != null)
                {
                    smallLightSprites[0].color = smallLightDefaultColor;
                }
            }
        }
    }
}