using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DeviceIdHandle : MonoBehaviour
{
    private static DeviceIdHandle _instance;
    private AndroidJavaObject oaidActivity;

    public static DeviceIdHandle Instance
    {
        get
        {
            if (_instance is null)
            {
                var go = new GameObject("DeviceIdHandle");
                _instance = go.AddComponent<DeviceIdHandle>();
                DontDestroyOnLoad(go);
            }

            return _instance;
        }
    }

    // 原有方法保留
    public void GetOAID()
    {
        if (oaidActivity == null)
        {
            // 获取当前的 Android Activity
            using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
            {
                oaidActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
            }
        }

        // 调用 Android 的 GetOAID 方法
        AndroidJavaObject utils = new AndroidJavaObject("com.example.oaidtest2.OAID_Activity");
        utils.Call("GetOAID", gameObject.name, "OnOAIDReceived");
    }

    // 新增：从 Resources 加载证书并在调用 GetOAID 之前初始化 SDK（同步、用于快速验证）
    // resourceName 为 Resources 下资源名（不含扩展名），例如文件 Assets/Resources/cert.pem -> resourceName = "cert"
    public void GetOAID_FromResources(string resourceName = "com.phxh.official.nld.cert")
    {
        // 同步加载证书 TextAsset
        TextAsset txt = Resources.Load<TextAsset>(resourceName);
        if (txt == null)
        {
            Debug.LogError($"Load certificate failed: Resources/{resourceName} not found. Put your cert file under Assets/Resources and omit extension when calling.");
#if UNITY_EDITOR
            // 在编辑器中为了便于调试，也可以输出示例路径
            Debug.Log($"Editor path suggestion: Assets/Resources/{resourceName}.pem or .txt");
#endif
            return;
        }

        string cert = txt.text;
        if (string.IsNullOrEmpty(cert))
        {
            Debug.LogError("Certificate content is empty.");
            return;
        }

#if UNITY_ANDROID && !UNITY_EDITOR
        // 获取当前 Android Activity 并调用插件初始化接口
        try
        {
            using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
            {
                oaidActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
            }

            AndroidJavaObject utils = new AndroidJavaObject("com.example.oaidtest2.OAID_Activity");

            try
            {
                utils.Call("SetCertContent", cert); // <- 根据 SDK 修改方法名与签名
            }
            catch (System.Exception ex)
            {
                Debug.LogWarning("SetCertificate call failed (check method name/signature): " + ex);
            }

            // 初始化/设置证书后再请求 OAID
            utils.Call("GetOAID", gameObject.name, "OnOAIDReceived");
        }
        catch (System.Exception e)
        {
            Debug.LogError("GetOAID_FromResources failed: " + e);
        }
#else
        Debug.Log("GetOAID_FromResources: certificate loaded (editor or non-Android). Android call skipped.\ncontent: " + cert);
#endif
    }

    // 回调方法，用于接收 OAID
    private void OnOAIDReceived(string oaid)
    {
        Debug.Log("Received OAID: " + oaid);
    }
}