package com.unity.filepicker;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import com.unity3d.player.UnityPlayerActivity;

/**
 * 扩展 UnityPlayerActivity 以监听 Activity 结果
 */
public class UnityActivityCallback extends UnityPlayerActivity {
    private static final String TAG = "[FILE-PICKER]";
    private static final int REQUEST_CODE_PICK_FILE = 1001;
    
    private static FilePickerResultCallback sCallback;
    
    public interface FilePickerResultCallback {
        void onActivityResult(int requestCode, int resultCode, Intent data);
    }
    
    public static void setCallback(FilePickerResultCallback callback) {
        sCallback = callback;
    }
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "[JAVA] UnityActivityCallback.onCreate");
    }
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        
        Log.d(TAG, "[JAVA] UnityActivityCallback.onActivityResult: requestCode=" + requestCode + ", resultCode=" + resultCode);
        
        if (requestCode == REQUEST_CODE_PICK_FILE && sCallback != null) {
            Log.d(TAG, "[JAVA] 调用FilePicker回调");
            sCallback.onActivityResult(requestCode, resultCode, data);
            sCallback = null; // 清除回调避免内存泄漏
        }
    }
}