using UnityEngine;

namespace ChillConnect
{
    public class AlphaController : MonoBehaviour
    {
        private AndroidJavaObject currentActivity;
        private bool isInitialized = false;

        void Start()
        {
            // 只在 Android 平台初始化
            if (Application.platform == RuntimePlatform.Android)
            {
                InitializeAndroidBridge();
            }
        }

        private void InitializeAndroidBridge()
        {
            try
            {
                using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
                {
                    currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
                    isInitialized = true;
                    Debug.Log("AlphaController: Android bridge initialized successfully");
                }
            }
            catch (System.Exception e)
            {
                Debug.LogError("AlphaController: Failed to initialize Android bridge - " + e.Message);
                isInitialized = false;
            }
        }

        /// <summary>
        /// 设置 Unity Player 透明度
        /// </summary>
        /// <param name="alpha">0.0 全透明, 1.0 不透明</param>
        public void SetPlayerAlpha(float alpha)
        {
            if (!isInitialized)
            {
                Debug.LogWarning("AlphaController: Not initialized");
                return;
            }

            // 限制透明度范围在 0-1 之间
            alpha = Mathf.Clamp01(alpha);
            currentActivity.Call("setPlayerAlpha", alpha);
            Debug.Log($"AlphaController: Set alpha to {alpha}");
        }
    }
}