package com.YuyeTech.HeartRate;

import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;

import java.util.List;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.ble.mylockview.BuildConfig;
import com.ble.mylockview.admin.KioskManager;
import com.ble.mylockview.config.LaunchConfig;

import io.dcloud.PandoraEntry;
import io.dcloud.PandoraEntryActivity;
import io.dcloud.application.DCloudApplication;
import io.dcloud.uniplugin.NativeLogBridgeHelper;

/**
 * 自定义 Application，实现 Kiosk 模式自动初始化
 * Created on 2026/1/22.
 */
public class MyApplication extends DCloudApplication {

    private static final String TAG = "MyApplication";
    
    // 屏幕状态广播接收器
    private ScreenStateReceiver screenStateReceiver;

    @Override
    public void onCreate() {
        super.onCreate();
        NativeLogBridgeHelper.init(this);
        
        if (BuildConfig.DEBUG) Log.d(TAG, "Application 初始化");

        // ✅ 尽早禁用锁屏（Device Owner）：避免开机自启时仍在锁屏阶段导致 IME 无法显示/被遮挡
        KioskHelper.disableKeyguardIfOwner(this);

		// 启动时重置 WiFi 检测开关，避免上一次运行遗留为 true 导致一进来就弹框
		try {
			getSharedPreferences("kiosk_prefs", Context.MODE_PRIVATE)
					.edit()
					.putBoolean("wifi_check_enabled", false)
					.apply();
			if (BuildConfig.DEBUG) Log.d(TAG, "已在 Application 启动时将 wifi_check_enabled 重置为 false");
		} catch (Exception e) {
			Log.e(TAG, "重置 wifi_check_enabled 失败", e);
		}
        
        // ✅ 修复：首次安装后自启动时输入法无法调起的问题
        // 在应用启动时提前初始化输入法服务，确保输入法服务已就绪
        initializeInputMethodService();
        
        // ✅ 配置 Kiosk 启动 Activity - 直接启动主页面,跳过黑屏的 PandoraEntry
        LaunchConfig.setLaunchActivity(PandoraEntryActivity.class);
        
        // ✅ 启用 Debug 模式（发布时改为 false）
//        KioskManager.setDebug(true);
        KioskManager.setDebug(BuildConfig.DEBUG);
        
        // ✅ 注册屏幕状态广播接收器（监听电源键）
        registerScreenStateReceiver();
        
        // ✅ 注册 Activity 生命周期监听，自动绑定 KioskManager
        registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
            @Override
            public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) {
                // 只对主 Activity 进行 Kiosk 绑定
                if (activity instanceof io.dcloud.PandoraEntry || 
                    activity instanceof io.dcloud.PandoraEntryActivity) {
                    if (BuildConfig.DEBUG) Log.d(TAG, "✅ 绑定 Kiosk 到: " + activity.getClass().getSimpleName());
                    
                    // ✅ 先禁用锁屏（必须在 attach 之前）
                    KioskHelper.disableLockScreen(activity);
                    
                    // 临时方案：不常亮，由系统休眠时间（如 50 分钟）控制；需在 attach 之前设置
                    KioskManager.setAllowKeepScreenOn(false);
                    //KioskManager.setDebug(BuildConfig.DEBUG);
                    KioskManager.attach(activity);
                    
                    //KioskHelper.clearKeepScreenOn(activity);
                    PowerSavingManager.ensureWakeLockReleased();
                    
                    // ✅ 拦截返回键，防止回到黑屏页面
                    interceptBackPress(activity);
                    
                    // ✅ 设置当前 Activity 到 PowerSavingManager（用于省电模式）
                    PowerSavingManager.setCurrentActivity(activity);
                    
                    // ✅ WiFi 检测：仍在 Activity 创建时注册延迟检测任务
                    // 但实际是否执行检测由 DeviceStatusModule.startNetworkMonitor 设置的开关控制
                    if (BuildConfig.DEBUG) Log.d(TAG, "🔍 Activity 创建完成，注册 WiFi 启动检测任务: " + activity.getClass().getSimpleName());
                    WifiCheckHelper.checkWifiOnActivityStart(activity);
                }
            }

            @Override
            public void onActivityStarted(@NonNull Activity activity) {}

            @Override
            public void onActivityResumed(@NonNull Activity activity) {
                if (activity instanceof io.dcloud.PandoraEntry || 
                    activity instanceof io.dcloud.PandoraEntryActivity) {
                    KioskManager.onResume();
                    // 临时方案：确保未加常亮（若 KioskManager.setAllowKeepScreenOn(false) 已设则此处为双保险）
                    //KioskHelper.clearKeepScreenOn(activity);
                    
                    // ✅ 更新 PowerSavingManager 的 Activity 引用
                    PowerSavingManager.setCurrentActivity(activity);
                    
                    // ✅ 在 onResume 时检测 WiFi（每次恢复都检测，包括从设置返回、开机启动等所有情况）
                    if (BuildConfig.DEBUG) Log.d(TAG, "📱 " + activity.getClass().getSimpleName() + " onResume → 开始 WiFi 检测");
                    WifiCheckHelper.checkWifiOnActivityResume(activity);
                }
            }

            @Override
            public void onActivityPaused(@NonNull Activity activity) {
                if (activity instanceof io.dcloud.PandoraEntry || 
                    activity instanceof io.dcloud.PandoraEntryActivity) {
                    KioskManager.onPause();
                }
            }

            @Override
            public void onActivityStopped(@NonNull Activity activity) {}

            @Override
            public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) {}

            @Override
            public void onActivityDestroyed(@NonNull Activity activity) {
                if (activity instanceof io.dcloud.PandoraEntry || 
                    activity instanceof io.dcloud.PandoraEntryActivity) {
                    KioskManager.onDestroy();
                    
                    // 清理 WiFi 检测资源
                    WifiCheckHelper.cleanup(activity);
                    
                    // 清理 PowerSavingManager 的 Activity 引用
                    PowerSavingManager.setCurrentActivity(null);
                }
            }
        });
    }
    
    /**
     * 初始化输入法服务
     * 通过多种方式触发输入法服务的初始化，确保输入法服务已就绪
     * 特别针对搜狗输入法等预装输入法进行优化
     * 解决首次安装后自启动时输入法无法调起的问题
     */
    private void initializeInputMethodService() {
        try {
            InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            if (imm != null) {
                // 方法1: 获取输入法列表，触发系统初始化输入法服务
                List<android.view.inputmethod.InputMethodInfo> allInputMethods = imm.getInputMethodList();
                if (BuildConfig.DEBUG) Log.d(TAG, "所有输入法数量: " + (allInputMethods != null ? allInputMethods.size() : 0));
                
                // 方法2: 获取启用的输入法列表（特别重要，确保搜狗输入法已启用）
                try {
                    List<android.view.inputmethod.InputMethodInfo> enabledInputMethods = imm.getEnabledInputMethodList();
                    if (enabledInputMethods != null) {
                        if (BuildConfig.DEBUG) Log.d(TAG, "已启用的输入法数量: " + enabledInputMethods.size());
                        
                        // 检查搜狗输入法是否在已启用列表中
                        boolean hasSogou = false;
                        for (android.view.inputmethod.InputMethodInfo info : enabledInputMethods) {
                            String packageName = info.getPackageName();
                            String serviceName = info.getServiceName();
                            if (BuildConfig.DEBUG) Log.d(TAG, "已启用输入法: " + packageName + " / " + serviceName);
                            
                            // 检查是否是搜狗输入法（搜狗输入法的包名通常是 com.sohu.inputmethod.sogou）
                            if (packageName != null && packageName.contains("sogou")) {
                                hasSogou = true;
                                if (BuildConfig.DEBUG) Log.d(TAG, "✅ 检测到搜狗输入法已启用: " + packageName);
                            }
                        }
                        
                        if (!hasSogou && allInputMethods != null) {
                            // 检查搜狗输入法是否在全部列表中但未启用
                            for (android.view.inputmethod.InputMethodInfo info : allInputMethods) {
                                String packageName = info.getPackageName();
                                if (packageName != null && packageName.contains("sogou")) {
                                    Log.w(TAG, "⚠️ 搜狗输入法存在但未启用: " + packageName);
                                }
                            }
                        }
                    }
                } catch (Exception e) {
                    Log.w(TAG, "获取已启用输入法列表失败", e);
                }
                
                // 方法3: 获取当前输入法信息，进一步触发初始化
                try {
                    String currentInputMethodId = Settings.Secure.getString(
                            getContentResolver(),
                            Settings.Secure.DEFAULT_INPUT_METHOD);
                    if (currentInputMethodId != null) {
                        if (BuildConfig.DEBUG) Log.d(TAG, "当前默认输入法: " + currentInputMethodId);
                        if (currentInputMethodId.contains("sogou")) {
                            if (BuildConfig.DEBUG) Log.d(TAG, "✅ 当前默认输入法是搜狗输入法");
                        }
                    }
                    
                    imm.getCurrentInputMethodSubtype();
                } catch (Exception e) {
                    // Android 某些版本可能不支持，忽略
                    Log.d(TAG, "获取当前输入法信息失败（可能不支持）", e);
                }
                
                // 方法4: 尝试获取输入法服务状态，进一步触发初始化
                // 注意：该方法在部分 Android 版本/ROM 上可能不存在（会抛 NoSuchMethodError），
                // 因此这里用反射探测存在性并吞掉所有 Throwable，避免在 Application.onCreate 阶段致命崩溃。
                try {
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                        java.lang.reflect.Method m =
                                InputMethodManager.class.getMethod("isInputMethodSuppressingSpellChecker");
                        Object r = m.invoke(imm);
                        if (BuildConfig.DEBUG) Log.d(TAG, "IME spellChecker suppress: " + r);
                    }
                } catch (Throwable t) {
                    if (BuildConfig.DEBUG) Log.d(TAG, "IME 初始化探测方法不可用，已忽略", t);
                }
                
                if (BuildConfig.DEBUG) Log.d(TAG, "✅ 输入法服务已初始化（Application onCreate，已检查搜狗输入法）");
            } else {
                Log.w(TAG, "⚠️ 无法获取InputMethodManager");
            }
        } catch (Throwable t) {
            Log.w(TAG, "⚠️ 初始化输入法服务失败", t);
        }
    }
    
    /**
     * 注册屏幕状态广播接收器
     * 监听 ACTION_SCREEN_OFF 和 ACTION_SCREEN_ON 来实现电源键省电功能
     */
    private void registerScreenStateReceiver() {
        try {
            screenStateReceiver = new ScreenStateReceiver();
            IntentFilter filter = new IntentFilter();
            filter.addAction(Intent.ACTION_SCREEN_OFF);
            filter.addAction(Intent.ACTION_SCREEN_ON);
            filter.setPriority(1000); // 高优先级，确保能及时收到广播
            
            registerReceiver(screenStateReceiver, filter);
            if (BuildConfig.DEBUG) Log.d(TAG, "✅ 屏幕状态广播接收器已注册");
            
        } catch (Exception e) {
            Log.e(TAG, "注册屏幕状态广播接收器失败", e);
        }
    }
    
    /**
     * 注销屏幕状态广播接收器
     */
    private void unregisterScreenStateReceiver() {
        try {
            if (screenStateReceiver != null) {
                unregisterReceiver(screenStateReceiver);
                screenStateReceiver = null;
                if (BuildConfig.DEBUG) Log.d(TAG, "✅ 屏幕状态广播接收器已注销");
            }
        } catch (Exception e) {
            Log.e(TAG, "注销屏幕状态广播接收器失败", e);
        }
    }
    
    @Override
    public void onTerminate() {
        super.onTerminate();
        // 注销广播接收器
        unregisterScreenStateReceiver();
    }
    
    /**
     * 拦截 Activity 的返回键事件
     * 使用多种方式确保返回键被拦截
     * @param activity Activity 实例
     */
    private void interceptBackPress(Activity activity) {
        try {
            // 方法 1：使用 View.OnKeyListener
            activity.getWindow().getDecorView().setOnKeyListener((v, keyCode, event) -> {
                if (keyCode == KeyEvent.KEYCODE_BACK) {
                    if (BuildConfig.DEBUG) Log.d(TAG, "🔙 [OnKeyListener] 检测到返回键: action=" + event.getAction());
                    if (event.getAction() == KeyEvent.ACTION_UP) {
                        return BackPressHandler.handleBackPress(activity);
                    }
                    return true;  // 拦截 ACTION_DOWN
                }
                return false;
            });
            
            // 方法 2：设置 View 为可聚焦，确保能接收按键事件
            View decorView = activity.getWindow().getDecorView();
            decorView.setFocusable(true);
            decorView.setFocusableInTouchMode(true);
            decorView.requestFocus();
            
            // 方法 3：使用 Window.Callback 拦截（更底层）
            installWindowCallback(activity);
            
            if (BuildConfig.DEBUG) Log.d(TAG, "✅ 返回键拦截器已安装: " + activity.getClass().getSimpleName());
        } catch (Exception e) {
            Log.e(TAG, "安装返回键拦截器失败", e);
        }
    }
    
    /**
     * 安装 Window.Callback 拦截器（底层方法）
     * @param activity Activity 实例
     */
    private void installWindowCallback(Activity activity) {
        try {
            Window.Callback original = activity.getWindow().getCallback();
            activity.getWindow().setCallback(new Window.Callback() {
                @Override
                public boolean dispatchKeyEvent(KeyEvent event) {
                    if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
                        if (BuildConfig.DEBUG) Log.d(TAG, "🔙 [WindowCallback] 检测到返回键: action=" + event.getAction());
                        if (event.getAction() == KeyEvent.ACTION_UP) {
                            boolean handled = BackPressHandler.handleBackPress(activity);
                            if (handled) {
                                return true;  // 已拦截
                            }
                        } else if (event.getAction() == KeyEvent.ACTION_DOWN) {
                            return true;  // 拦截 DOWN 事件
                        }
                    }
                    return original != null && original.dispatchKeyEvent(event);
                }
                
                // 委托其他方法给原始 Callback
                @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
                    return original != null && original.dispatchKeyShortcutEvent(event);
                }
                @Override public boolean dispatchTouchEvent(MotionEvent event) {
                    return original != null && original.dispatchTouchEvent(event);
                }
                @Override public boolean dispatchTrackballEvent(MotionEvent event) {
                    return original != null && original.dispatchTrackballEvent(event);
                }
                @Override public boolean dispatchGenericMotionEvent(MotionEvent event) {
                    return original != null && original.dispatchGenericMotionEvent(event);
                }
                @Override public boolean dispatchPopulateAccessibilityEvent(android.view.accessibility.AccessibilityEvent event) {
                    return original != null && original.dispatchPopulateAccessibilityEvent(event);
                }
                @Override public View onCreatePanelView(int featureId) {
                    return original != null ? original.onCreatePanelView(featureId) : null;
                }
                @Override public boolean onCreatePanelMenu(int featureId, android.view.Menu menu) {
                    return original != null && original.onCreatePanelMenu(featureId, menu);
                }
                @Override public boolean onPreparePanel(int featureId, View view, android.view.Menu menu) {
                    return original != null && original.onPreparePanel(featureId, view, menu);
                }
                @Override public boolean onMenuOpened(int featureId, android.view.Menu menu) {
                    return original != null && original.onMenuOpened(featureId, menu);
                }
                @Override public boolean onMenuItemSelected(int featureId, android.view.MenuItem item) {
                    return original != null && original.onMenuItemSelected(featureId, item);
                }
                @Override public void onWindowAttributesChanged(WindowManager.LayoutParams attrs) {
                    if (original != null) original.onWindowAttributesChanged(attrs);
                }
                @Override public void onContentChanged() {
                    if (original != null) original.onContentChanged();
                }
                @Override public void onWindowFocusChanged(boolean hasFocus) {
                    if (original != null) original.onWindowFocusChanged(hasFocus);
                }
                @Override public void onAttachedToWindow() {
                    if (original != null) original.onAttachedToWindow();
                }
                @Override public void onDetachedFromWindow() {
                    if (original != null) original.onDetachedFromWindow();
                }
                @Override public void onPanelClosed(int featureId, android.view.Menu menu) {
                    if (original != null) original.onPanelClosed(featureId, menu);
                }
                @Override public boolean onSearchRequested() {
                    return original != null && original.onSearchRequested();
                }
                @Override public boolean onSearchRequested(android.view.SearchEvent searchEvent) {
                    return original != null && original.onSearchRequested(searchEvent);
                }
                @Override public android.view.ActionMode onWindowStartingActionMode(android.view.ActionMode.Callback callback) {
                    return original != null ? original.onWindowStartingActionMode(callback) : null;
                }
                @Override public android.view.ActionMode onWindowStartingActionMode(android.view.ActionMode.Callback callback, int type) {
                    return original != null ? original.onWindowStartingActionMode(callback, type) : null;
                }
                @Override public void onActionModeStarted(android.view.ActionMode mode) {
                    if (original != null) original.onActionModeStarted(mode);
                }
                @Override public void onActionModeFinished(android.view.ActionMode mode) {
                    if (original != null) original.onActionModeFinished(mode);
                }
            });
            
            if (BuildConfig.DEBUG) Log.d(TAG, "✅ Window.Callback 拦截器已安装");
        } catch (Exception e) {
            Log.e(TAG, "安装 Window.Callback 失败", e);
        }
    }
}