using UnityEngine;
using System.Collections.Generic;

public class UISoundRouter : MonoBehaviour
{
    private const bool VerboseLogs = false;
    public static UISoundRouter Instance;

    [SerializeField] private UISoundConfig soundConfig;

    private Dictionary<UIButtonType, UISoundConfig.ButtonSoundEntry> lookup;
    private AudioSource audioSource;

    private float lastHoverTime;
    private float hoverCooldown = 0.1f;

    private float lastClickTime;
    private float clickCooldown = 0.1f;

    void Awake()
    {
        if (Instance != null)
        {
            Destroy(gameObject);
            return;
        }

        Instance = this;
        DontDestroyOnLoad(gameObject);

        audioSource = gameObject.AddComponent<AudioSource>();
        audioSource.playOnAwake = false;
        // 限制最大并发声音数量，防止音频叠加导致的音量过大
        audioSource.priority = 128; 

        BuildLookup();
    }

    public void SetConfig(UISoundConfig config)
    {
        soundConfig = config;
        if (soundConfig != null && audioSource != null)
        {
            audioSource.outputAudioMixerGroup = soundConfig.outputGroup;
        }
        BuildLookup();
    }

    void BuildLookup()
    {
        lookup = new Dictionary<UIButtonType, UISoundConfig.ButtonSoundEntry>();

        if (soundConfig == null)
        {
            if (VerboseLogs) Debug.LogWarning("[UISoundRouter] SoundConfig is null! Cannot build lookup.");
            return;
        }

        if (VerboseLogs) Debug.Log($"[UISoundRouter] Building lookup for {soundConfig.name} with {soundConfig.soundTable.Count} entries.");

        foreach (var entry in soundConfig.soundTable)
        {
            lookup[entry.type] = entry;
            if (VerboseLogs) Debug.Log($"[UISoundRouter] Registered sound for {entry.type}: Hover={entry.hoverClip?.name}, Click={entry.clickClip?.name}");
        }
    }

    public void PlayHover(UIButtonType type)
    {
        if (Time.unscaledTime - lastHoverTime < hoverCooldown)
            return;

        lastHoverTime = Time.unscaledTime;

        if (lookup != null && lookup.TryGetValue(type, out var entry))
        {
            if (entry.hoverClip != null)
            {
                // 使用较小的音量播放悬停音效，减少叠加感
                audioSource.PlayOneShot(entry.hoverClip, 0.7f);
            }
            else
            {
                if (VerboseLogs) Debug.LogWarning($"[UISoundRouter] Hover clip is null for type {type}");
            }
        }
        else
        {
            if (VerboseLogs) Debug.LogWarning($"[UISoundRouter] No entry found for type {type} in lookup.");
        }
    }

    public void PlayClick(UIButtonType type)
    {
        if (Time.unscaledTime - lastClickTime < clickCooldown)
            return;

        lastClickTime = Time.unscaledTime;

        if (lookup != null && lookup.TryGetValue(type, out var entry))
        {
            if (entry.clickClip != null)
            {
                if (VerboseLogs) Debug.Log($"[UISoundRouter] Playing click clip: {entry.clickClip.name}");
                audioSource.PlayOneShot(entry.clickClip, 1.0f);
            }
            else
            {
                if (VerboseLogs) Debug.LogWarning($"[UISoundRouter] Click clip is null for type {type}");
            }
        }
        else
        {
            if (VerboseLogs) Debug.LogWarning($"[UISoundRouter] No entry found for type {type} in lookup.");
        }
    }
}