using UnityEngine;
using UnityEngine.Audio;
using System;
using Core;
using Core.Lifecycle;

[Serializable]
public class LevelAudioObjectSaveData
{
    public bool hasPlayed;
}

public class LevelAudioObject : ManagedBehaviour
{
    [Header("Audio Settings")]
    public AppleAudioSource narratorAudioSource;
    public AudioResource firstNarration;
    
    [Header("Playback Settings")]
    [Tooltip("If true, the audio will only play once and never again after being played")]
    public bool isOneTime;

    private bool _hasPlayed;

    #region ManagedBehaviour Overrides

    public override bool AutoRegisterForSave => isOneTime; // Only save if one-time audio
    
    internal override string OnSceneSaveRequested()
    {
        if (!isOneTime)
            return null; // No need to save if not one-time

        LevelAudioObjectSaveData saveData = new LevelAudioObjectSaveData
        {
            hasPlayed = _hasPlayed
        };

        return JsonUtility.ToJson(saveData);
    }

    internal override void OnSceneRestoreRequested(string serializedData)
    {
        if (!isOneTime || string.IsNullOrEmpty(serializedData))
            return;

        try
        {
            LevelAudioObjectSaveData saveData = JsonUtility.FromJson<LevelAudioObjectSaveData>(serializedData);
            _hasPlayed = saveData.hasPlayed;
        }
        catch (Exception e)
        {
            Logging.Warning($"[LevelAudioObject] Failed to restore audio state: {e.Message}");
        }
    }

    internal override void OnSceneRestoreCompleted()
    {
        if (isOneTime && !_hasPlayed)
        {
            PlayNarrationAudio();
        }
    }

    #endregion

    private void PlayNarrationAudio()
    {
        if (narratorAudioSource == null || firstNarration == null)
        {
            Logging.Warning($"[LevelAudioObject] Missing audio source or narration resource on {gameObject.name}");
            return;
        }

        narratorAudioSource.audioSource.resource = firstNarration;
        narratorAudioSource.Play(0);
        
        _hasPlayed = true;
    }
}