import 'dart:async';

import 'package:ef/ef.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:url_launcher/url_launcher.dart';
import 'package:vbvs_app/common/color/app_uri_status.dart';
import 'package:vbvs_app/common/util/FitTool.dart';
import 'package:vbvs_app/controller/setting/language/language_controller.dart';
import 'package:vbvs_app/controller/theme_controller/ThemeController.dart';
import 'package:vbvs_app/language/AppLanguage.dart';
import 'package:vbvs_app/model/api_response.dart';

ThemeController themeController = Get.find();
LanguageController languageController = Get.find();

class MyUtils {
  static String formatDate(DateTime dateTime) {
    return "${dateTime.year}-${dateTime.month}-${dateTime.day.toString().padLeft(2, '0')}";
  }

  static String formatToDate(int timestamp) {
    final dateTime = DateTime.fromMillisecondsSinceEpoch(timestamp);
    return "${dateTime.year}-${dateTime.month}-${dateTime.day.toString().padLeft(2, '0')}";
  }

  static Map<String, int> diffHoursMinutesMap(int startMillis, int endMillis) {
    final duration = Duration(milliseconds: endMillis - startMillis);
    final hours = duration.inHours;
    final minutes = duration.inMinutes % 60;
    return {
      "hours": hours,
      "minutes": minutes,
    };
  }

  static String formatToHHmm(int timestampMillis) {
    final dateTime = DateTime.fromMillisecondsSinceEpoch(timestampMillis);
    final twoDigits = (int n) => n.toString().padLeft(2, '0');
    return '${twoDigits(dateTime.hour)}:${twoDigits(dateTime.minute)}';
  }

  static ApiResponse formatResponse(
    ApiResponse res,
    String successMsg,
    String errorMsg,
  ) {
    if (res.code == HttpStatusCodes.ok) {
      // 成功但 msg 为空时填默认成功提示
      if (res.msg == null || res.msg!.isEmpty) {
        res.msg = successMsg;
      }
    } else {
      // 失败且 msg 为空时填默认失败提示
      if (res.msg == null || res.msg!.isEmpty) {
        res.msg = errorMsg;
      }
    }
    return res;
  }

  static String timestampToDateString(int timestamp) {
    DateTime dateTime = DateTime.fromMillisecondsSinceEpoch(timestamp);

    String formattedDate =
        '${dateTime.year}-${dateTime.month.toString().padLeft(2, '0')}-${dateTime.day.toString().padLeft(2, '0')} '
        '${dateTime.hour.toString().padLeft(2, '0')}:${dateTime.minute.toString().padLeft(2, '0')}:${dateTime.second.toString().padLeft(2, '0')}';

    return formattedDate;
  }

  static String hidePhoneNumber(String phoneNumber) {
    if (phoneNumber.length != 11) {
      // 检查手机号是否为11位
      throw Exception("手机号格式不正确");
    }

    // 将中间四位替换为星号
    return phoneNumber.replaceRange(3, 7, '****');
  }

  static double initialScrollOffset = 0.0;
  // 判断手机号格式是否正确的方法
  static bool isValidPhoneNumber(String phoneNumber) {
    final RegExp phoneRegExp = RegExp(r'^1[3-9]\d{9}$');
    return phoneRegExp.hasMatch(phoneNumber);
  }

  static bool isValidEmail(String email) {
    final RegExp emailRegExp = RegExp(
      r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$',
    );
    return emailRegExp.hasMatch(email);
  }

  static Future<void> makePhoneCall(String phoneNumber) async {
    final Uri launchUri = Uri(
      scheme: 'tel',
      path: phoneNumber,
    );

    if (await canLaunchUrl(launchUri)) {
      await launchUrl(launchUri);
    } else {
      throw '无法拨打电话';
    }
  }

  static String formatDateTime(DateTime dateTime) {
    // 定义日期格式
    // dateTime.toLocal();
    final DateFormat formatter = DateFormat('yyyy-MM-dd HH:mm');
    // 返回格式化后的字符串
    return formatter.format(dateTime);
  }

  static void scrollToFocusedInput(FocusNode focusNode, _scrollController) {
    // 获取输入框相对于整个页面的偏移量
    RenderObject? object = focusNode.context?.findRenderObject();
    if (object != null) {
      final RenderBox box = object as RenderBox;
      final Offset position = box.localToGlobal(Offset.zero);

      // 将页面滚动到使输入框显示在屏幕上的位置
      _scrollController.animateTo(
        position.dy - MediaQuery.of(focusNode.context!).size.height / 4,
        duration: Duration(milliseconds: 300),
        curve: Curves.easeInOut,
      );
    }
  }

  static void resetScrollPosition(_scrollController) {
    _scrollController.animateTo(
      initialScrollOffset,
      duration: Duration(milliseconds: 300),
      curve: Curves.easeInOut,
    );
  }

  static String formatBindTime(DateTime d) {
    final DateFormat formatter = DateFormat('yyyy/MM/dd');
    return formatter.format(d);
  }

  static DateTime? formatBirthdayTime(String? device) {
    if (device == null || device.isEmpty) return null;

    try {
      return DateTime.parse(device.replaceAll('/', '-')); // 替换为标准格式
    } catch (e) {
      return null; // 解析失败时返回 null
    }
  }

  static int getAgeByDate(DateTime? formatBirthdayTime) {
    if (formatBirthdayTime == null) return 0;

    final now = DateTime.now();
    int age = now.year - formatBirthdayTime.year;

    // 如果还没到今年生日，减一岁
    if (now.month < formatBirthdayTime.month ||
        (now.month == formatBirthdayTime.month &&
            now.day < formatBirthdayTime.day)) {
      age--;
    }

    return age;
  }

  static String formatDateTimeWeek(DateTime date) {
    DateTime now = DateTime.now();
    // 去除时间部分，仅比较年月日
    DateTime today = DateTime(now.year, now.month, now.day);
    DateTime target = DateTime(date.year, date.month, date.day);

    if (target == today) {
      return '今日'.tr;
    }
    List<String> weekdays = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
    String currentLanguageCode = AppLanguage().getCurrentLanguageCode();
    if (currentLanguageCode != null) {
      if (currentLanguageCode != "zh_CN") {
        weekdays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
      }
    }

    return weekdays[date.weekday % 7]; // Dart中星期日是7，要映射到索引0
  }

  /// 返回 MM/dd 格式
  static String formatDateTimeDay(DateTime date) {
    String twoDigits(int n) => n.toString().padLeft(2, '0');
    return '${twoDigits(date.month)}/${twoDigits(date.day)}';
  }

  static String getFormatChineseTime(int date, {bool showWeekday = true}) {
    DateTime dateTime = DateTime.fromMillisecondsSinceEpoch(date);
    // 格式化年月日
    String dateStr = DateFormat('yyyy年MM月dd日').format(dateTime);

    if (!showWeekday) return dateStr;

    // 获取星期
    const weekDays = ['星期一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期日'];
    String weekStr = weekDays[dateTime.weekday - 1];

    return '$dateStr  $weekStr';
  }

  static String getFormatEnglishDate(int millis) {
    final date = DateTime.fromMillisecondsSinceEpoch(millis);
    const weekdays = [
      'Monday',
      'Tuesday',
      'Wednesday',
      'Thursday',
      'Friday',
      'Saturday',
      'Sunday'
    ];
    final weekday = weekdays[date.weekday - 1];
    final formattedDate =
        '${date.year}/${date.month.toString().padLeft(2, '0')}/${date.day.toString().padLeft(2, '0')}';
    return '$weekday, $formattedDate';
  }
}

Color stringToColor(String hexColor) {
  String formattedColor = hexColor.replaceAll("#", "");
  int colorValue = int.parse("0xFF$formattedColor");
  return Color(colorValue);
}

//字节转16进制
String ab2str(List<int> buffer) {
  return buffer.map((x) => x.toRadixString(16).padLeft(2, '0')).join('');
}

enum ToastColor { success, error, warn }

ToastColor color_success = ToastColor.success;
ToastColor color_warning = ToastColor.warn;
ToastColor color_error = ToastColor.error;

showToast(String msg,
    {ToastColor color = ToastColor.error, int closeTime = 3}) {
  // Fluttertoast.showToast(
  //   msg: msg,
  //   toastLength: Toast.LENGTH_LONG,
  //   gravity: ToastGravity.CENTER,
  //   timeInSecForIosWeb: 1,
  //   backgroundColor: color == null ? color_error : color,
  //   fontSize: 14.0,
  // );
  final context = Get.overlayContext; // 获取 Overlay 的上下文
  Color background = Colors.red;
  Color color_text = stringToColor("#FA5A4C");
  String icon = "";
  if (color == color_success) {
    background = stringToColor("#DBF1E1");
    icon = "success";
    color_text = stringToColor("#31CA79");
  } else if (color == color_warning) {
    background = stringToColor("#FDF6EC");
    icon = "warn";
    color_text = stringToColor("#F8AE00");
  } else if (color == color_error) {
    background = stringToColor("#FEF0F0");
    icon = "error";
    color_text = stringToColor("#FA5A4C");
  }
  if (context == null) return;
  OverlayEntry overlayEntry = OverlayEntry(
    builder: (context) => Positioned(
      top: MediaQuery.of(context).size.height * 0.10,
      left: MediaQuery.of(context).size.width * 0.5 - 225.rpx,
      child: Material(
        color: Colors.transparent,
        child: Container(
          width: 450.rpx,
          padding: EdgeInsets.only(top: 20.rpx, bottom: 20.rpx),
          decoration: BoxDecoration(
            color: background,
            borderRadius: BorderRadius.circular(10.rpx),
          ),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Image.asset(
                "assets/images/toast/${icon}_.png",
                width: 30.rpx,
                height: 30.rpx,
              ),
              SizedBox(
                width: 18.rpx,
              ),
              Container(
                constraints: BoxConstraints(maxWidth: 380.rpx),
                child: Text(
                  msg,
                  maxLines: 9,
                  style: TextStyle(
                      color: color_text,
                      fontSize: 28.rpx,
                      fontWeight: FontWeight.w400),
                ),
              )
            ],
          ),
        ),
      ),
    ),
  );
  Overlay.of(context)?.insert(overlayEntry);
  Future.delayed(Duration(seconds: closeTime), () {
    overlayEntry.remove();
  });
}

var closeIcon = GestureDetector(
  onTapDown: (f) {
    Get.back();
  },
  child: Container(
    padding: EdgeInsets.fromLTRB(10.rpx, 18.rpx, 10.rpx, 10.rpx),
    child: Container(
      height: 42.rpx,
      width: 42.rpx,
      alignment: Alignment.center,
      child: Icon(
        Icons.close,
      ),
    ),
  ),
);

var closeIconWhite = GestureDetector(
  onTapDown: (f) {
    Get.back();
  },
  child: Container(
    padding: EdgeInsets.all(10.rpx),
    child: Container(
      height: 42.rpx,
      width: 42.rpx,
      alignment: Alignment.center,
      child: Icon(
        Icons.close,
        color: themeController.currentColor.sc3,
      ),
    ),
  ),
);

var returnIconButtom = IconButton(
  // padding: EdgeInsets.zero, // 去除默认 padding
  // constraints: BoxConstraints(), // 去除最小尺寸限制
  onPressed: () => Get.back(),
  icon: Icon(Icons.navigate_before, size: 60.rpx),
);

var returnIconButtomAddCallback = (
  VoidCallback? returnCallBack, {
  bool enableBack = true,
}) {
  return IconButton(
    onPressed: () {
      returnCallBack?.call();
      if (enableBack) {
        Get.back();
      }
    },
    icon: Icon(Icons.navigate_before, size: 60.rpx),
  );
};

String time_08_Formatter(String time) {
  if (time == null || time == "") {
    return "";
  }
  return DateFormat("yyyy-MM-dd HH:mm:ss")
      .format(DateTime.parse(time).toLocal());
}

String time_08_Formatter_pattern(String time, String pattern) {
  if (time == null || time == "") {
    return "";
  }
  return DateFormat(pattern).format(DateTime.parse(time).toLocal());
}

enum LoadingDialogIcon { ble, wifi, none }

class LoadingDialog {
  static show(String name, {LoadingDialogIcon icon = LoadingDialogIcon.none}) {
    ThemeController themeController = Get.find();
    String iconUrl = "";
    if (icon == LoadingDialogIcon.wifi) {
      iconUrl = "wifi";
    } else if (icon == LoadingDialogIcon.ble) {
      iconUrl = "ble";
    }
    Get.dialog(
        PopScope(
          canPop: false,
          child: Container(
            // color: Colors.transparent,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Container(
                  constraints:
                      BoxConstraints(minWidth: 300.rpx, maxWidth: 500.rpx),
                  decoration:
                      BoxDecoration(borderRadius: BorderRadius.circular(8)),
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: [
                      if (iconUrl.isNotEmpty)
                        Container(
                          width: 120.rpx,
                          height: 120.rpx,
                          margin: EdgeInsets.only(bottom: 60.rpx),
                          child:
                              Image.asset("assets/images/toast/${iconUrl}.png"),
                        ),
                      Text(
                        textAlign: TextAlign.center,
                        name,
                        style: TextStyle(
                            fontSize: 16,
                            color: themeController.currentColor.sc3,
                            decoration: TextDecoration.none),
                      ),
                      SizedBox(
                        height: 30.rpx,
                      ),
                      CircularProgressIndicator(
                        strokeWidth: 2,
                        valueColor: AlwaysStoppedAnimation<Color>(
                          themeController.currentColor.sc3,
                        ),
                      ),
                    ],
                  ),
                )
              ],
            ),
          ),
        ),
        barrierDismissible: false,
        barrierColor: Color.fromRGBO(0, 0, 0, 0.8));
  }

  static hide() {
    Get.back();
  }
}