import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

class ScreenAdapter {
  static void setPreferredOrientations() {
    SystemChrome.setPreferredOrientations([
      DeviceOrientation.portraitUp,
      DeviceOrientation.portraitDown,
      DeviceOrientation.landscapeLeft,
      DeviceOrientation.landscapeRight,
    ]);
  }

  static void enableSystemUIOverlay() {
    SystemChrome.setEnabledSystemUIMode(
      SystemUiMode.manual,
      overlays: [
        SystemUiOverlay.top,
        SystemUiOverlay.bottom,
      ],
    );
  }

  static void enableImmersiveMode() {
    SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
  }

  static void setSystemUIOverlayStyle({
    Color? statusBarColor,
    Brightness? statusBarIconBrightness,
  }) {
    SystemChrome.setSystemUIOverlayStyle(
      SystemUiOverlayStyle(
        statusBarColor: statusBarColor ?? Colors.transparent,
        statusBarIconBrightness: statusBarIconBrightness ?? Brightness.dark,
      ),
    );
  }

  static bool isSplitScreen(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    final screenHeight = MediaQuery.of(context).size.height;
    final aspectRatio = screenWidth / screenHeight;
    
    // 分屏模式通常具有特殊的宽高比
    return aspectRatio > 2.0 || aspectRatio < 0.5;
  }

  static bool isPopupWindow(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    final screenHeight = MediaQuery.of(context).size.height;
    
    // 小窗模式通常屏幕尺寸较小
    return screenWidth < 600 || screenHeight < 800;
  }

  static bool isTabletMode(BuildContext context) {
    final shortestSide = MediaQuery.of(context).size.shortestSide;
    return shortestSide >= 600;
  }

  static void adaptForSplitScreen(BuildContext context) {
    if (isSplitScreen(context)) {
      // 分屏模式下的适配
      SystemChrome.setEnabledSystemUIMode(
        SystemUiMode.manual,
        overlays: [SystemUiOverlay.top],
      );
    }
  }

  static void adaptForPopupWindow(BuildContext context) {
    if (isPopupWindow(context)) {
      // 小窗模式下的适配
      SystemChrome.setEnabledSystemUIMode(
        SystemUiMode.manual,
        overlays: [SystemUiOverlay.top],
      );
    }
  }

  static void handleOrientationChange(BuildContext context) {
    final orientation = MediaQuery.of(context).orientation;
    
    if (orientation == Orientation.landscape) {
      // 横屏模式适配
      SystemChrome.setEnabledSystemUIMode(
        SystemUiMode.manual,
        overlays: [SystemUiOverlay.top],
      );
    } else {
      // 竖屏模式适配
      SystemChrome.setEnabledSystemUIMode(
        SystemUiMode.manual,
        overlays: [
          SystemUiOverlay.top,
          SystemUiOverlay.bottom,
        ],
      );
    }
  }

  static Size getAdaptiveSize(BuildContext context) {
    final mediaQuery = MediaQuery.of(context);
    final size = mediaQuery.size;
    final orientation = mediaQuery.orientation;
    
    if (isSplitScreen(context)) {
      // 分屏模式下的尺寸调整
      return Size(
        size.width * 0.9,
        size.height * 0.85,
      );
    }
    
    if (isPopupWindow(context)) {
      // 小窗模式下的尺寸调整
      return Size(
        size.width * 0.95,
        size.height * 0.9,
      );
    }
    
    if (orientation == Orientation.landscape) {
      // 横屏模式下的尺寸调整
      return Size(
        size.width * 0.95,
        size.height * 0.9,
      );
    }
    
    return size;
  }

  static EdgeInsets getAdaptivePadding(BuildContext context) {
    final size = MediaQuery.of(context).size;
    
    if (isSplitScreen(context)) {
      return EdgeInsets.symmetric(
        horizontal: size.width * 0.02,
        vertical: size.height * 0.02,
      );
    }
    
    if (isPopupWindow(context)) {
      return EdgeInsets.symmetric(
        horizontal: size.width * 0.03,
        vertical: size.height * 0.03,
      );
    }
    
    return const EdgeInsets.all(16.0);
  }

  static double getAdaptiveFontSize(BuildContext context, double baseFontSize) {
    final screenWidth = MediaQuery.of(context).size.width;
    
    if (isSplitScreen(context)) {
      return baseFontSize * 0.9;
    }
    
    if (isPopupWindow(context)) {
      return baseFontSize * 0.85;
    }
    
    if (screenWidth < 600) {
      return baseFontSize * 0.9;
    } else if (screenWidth > 1200) {
      return baseFontSize * 1.1;
    }
    
    return baseFontSize;
  }

  static int getAdaptiveGridColumns(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    
    if (isSplitScreen(context)) {
      return 2;
    }
    
    if (isPopupWindow(context)) {
      return 1;
    }
    
    if (screenWidth >= 1440) {
      return 6;
    } else if (screenWidth >= 1024) {
      return 4;
    } else if (screenWidth >= 768) {
      return 3;
    } else {
      return 2;
    }
  }

  static void setupAdaptiveConfig(BuildContext context) {
    // 设置自适应配置
    setPreferredOrientations();
    enableSystemUIOverlay();
    
    // 根据屏幕状态进行适配
    adaptForSplitScreen(context);
    adaptForPopupWindow(context);
    handleOrientationChange(context);
  }
}