import 'package:flutter/material.dart';

/// 应用国际化配置
class AppLocalizations {
  final Locale locale;

  AppLocalizations(this.locale);

  static AppLocalizations? of(BuildContext context) {
    return Localizations.of<AppLocalizations>(context, AppLocalizations);
  }

  static const LocalizationsDelegate<AppLocalizations> delegate =
      _AppLocalizationsDelegate();

  // 状态栏
  String get deviceName => _localizedValues[locale.languageCode]?['deviceName'] ?? '污水毒品前处理一体机';
  String get running => _localizedValues[locale.languageCode]?['running'] ?? '运行中';
  String get idle => _localizedValues[locale.languageCode]?['idle'] ?? '未运行';
  String get lighting => _localizedValues[locale.languageCode]?['lighting'] ?? '照明';
  String get deviceControl => _localizedValues[locale.languageCode]?['deviceControl'] ?? '设备控制';

  // 程序管理
  String get programs => _localizedValues[locale.languageCode]?['programs'] ?? '程序管理';
  String get programList => _localizedValues[locale.languageCode]?['programList'] ?? '程序列表';
  String get programName => _localizedValues[locale.languageCode]?['programName'] ?? '程序名称';
  String get programCode => _localizedValues[locale.languageCode]?['programCode'] ?? '程序编号';
  String get createTime => _localizedValues[locale.languageCode]?['createTime'] ?? '创建时间';
  String get addProgram => _localizedValues[locale.languageCode]?['addProgram'] ?? '新增程序';
  String get editProgram => _localizedValues[locale.languageCode]?['editProgram'] ?? '编辑程序';
  String get deleteProgram => _localizedValues[locale.languageCode]?['deleteProgram'] ?? '删除程序';
  String get importProgram => _localizedValues[locale.languageCode]?['importProgram'] ?? '导入程序';
  String get downloadTemplate => _localizedValues[locale.languageCode]?['downloadTemplate'] ?? '下载模板';
  String get viewDetails => _localizedValues[locale.languageCode]?['viewDetails'] ?? '查看详情';
  String get selectedProgram => _localizedValues[locale.languageCode]?['selectedProgram'] ?? '当前选中程序';
  String get selectedProgramLabel => _localizedValues[locale.languageCode]?['selectedProgramLabel'] ?? '当前选中';
  String get availablePrograms => _localizedValues[locale.languageCode]?['availablePrograms'] ?? '可用程序';
  String get runningMonitor => _localizedValues[locale.languageCode]?['runningMonitor'] ?? '运行状态监控';
  String get currentHole => _localizedValues[locale.languageCode]?['currentHole'] ?? '当前孔位';
  String get stepParams => _localizedValues[locale.languageCode]?['stepParams'] ?? '步骤参数';
  String get speed => _localizedValues[locale.languageCode]?['speed'] ?? '速度';
  String get speedLevel => _localizedValues[locale.languageCode]?['speedLevel'] ?? '档';
  String get temperature => _localizedValues[locale.languageCode]?['temperature'] ?? '温度';
  String get airflowTime => _localizedValues[locale.languageCode]?['airflowTime'] ?? '吹气时间';
  String get duration => _localizedValues[locale.languageCode]?['duration'] ?? '持续时间';
  String get sampleVolume => _localizedValues[locale.languageCode]?['sampleVolume'] ?? '样品体积';
  String get pleaseSelectProgram => _localizedValues[locale.languageCode]?['pleaseSelectProgram'] ?? '请选择要运行的程序';

  // 运行控制
  String get run => _localizedValues[locale.languageCode]?['run'] ?? '运行';
  String get pause => _localizedValues[locale.languageCode]?['pause'] ?? '暂停';
  String get continue_ => _localizedValues[locale.languageCode]?['continue'] ?? '继续';
  String get stop => _localizedValues[locale.languageCode]?['stop'] ?? '停止';
  String get startRun => _localizedValues[locale.languageCode]?['startRun'] ?? '开始运行';
  String get currentStep => _localizedValues[locale.languageCode]?['currentStep'] ?? '当前步骤';
  String get remainingTime => _localizedValues[locale.languageCode]?['remainingTime'] ?? '剩余时间';
  String get progress => _localizedValues[locale.languageCode]?['progress'] ?? '进度';
  String get ceramicSleeveConfirm => _localizedValues[locale.languageCode]?['ceramicSleeveConfirm'] ?? '运行前请确认已安装瓷套棒';
  String get ceramicSleeveConfirmMessage => _localizedValues[locale.languageCode]?['ceramicSleeveConfirmMessage'] ?? '请确认已放置瓷套棒后再启动程序。';
  String get paused => _localizedValues[locale.languageCode]?['paused'] ?? '已暂停';
  String get stopConfirm => _localizedValues[locale.languageCode]?['stopConfirm'] ?? '确定要停止当前运行的程序吗？';
  String get currentProgram => _localizedValues[locale.languageCode]?['currentProgram'] ?? '当前程序';
  String get backToHome => _localizedValues[locale.languageCode]?['backToHome'] ?? '返回首页';
  String get runAgain => _localizedValues[locale.languageCode]?['runAgain'] ?? '重新运行';
  String get deleteConfirm => _localizedValues[locale.languageCode]?['deleteConfirm'] ?? '确定要删除此程序吗？';

  // 步骤参数
  String get stepNo => _localizedValues[locale.languageCode]?['stepNo'] ?? '步骤编号';
  String get position => _localizedValues[locale.languageCode]?['position'] ?? '孔位';
  String get stepName => _localizedValues[locale.languageCode]?['stepName'] ?? '步骤名称';
  String get mixTime => _localizedValues[locale.languageCode]?['mixTime'] ?? '混合时间';
  String get magnetTime => _localizedValues[locale.languageCode]?['magnetTime'] ?? '吸磁时间';
  String get volume => _localizedValues[locale.languageCode]?['volume'] ?? '容积';
  String get blowTime => _localizedValues[locale.languageCode]?['blowTime'] ?? '吹气时间';

  // 设置
  String get settings => _localizedValues[locale.languageCode]?['settings'] ?? '系统设置';
  String get language => _localizedValues[locale.languageCode]?['language'] ?? '语言设置';
  String get password => _localizedValues[locale.languageCode]?['password'] ?? '密码修改';
  String get upgrade => _localizedValues[locale.languageCode]?['upgrade'] ?? '软件升级';
  String get usbImport => _localizedValues[locale.languageCode]?['usbImport'] ?? 'U盘导入';

  // 通用
  String get confirm => _localizedValues[locale.languageCode]?['confirm'] ?? '确认';
  String get cancel => _localizedValues[locale.languageCode]?['cancel'] ?? '取消';
  String get save => _localizedValues[locale.languageCode]?['save'] ?? '保存';
  String get delete => _localizedValues[locale.languageCode]?['delete'] ?? '删除';
  String get select => _localizedValues[locale.languageCode]?['select'] ?? '选择';
  String get selected => _localizedValues[locale.languageCode]?['selected'] ?? '已选择';
  String get detail => _localizedValues[locale.languageCode]?['detail'] ?? '详情';
  String get noData => _localizedValues[locale.languageCode]?['noData'] ?? '暂无数据';

  // 完成提示
  String get runComplete => _localizedValues[locale.languageCode]?['runComplete'] ?? '运行完成';
  String get sampleDropGuide => _localizedValues[locale.languageCode]?['sampleDropGuide'] ?? '请将样本滴入检测卡';

  // 补充缺失的翻译
  String get lightOn => _localizedValues[locale.languageCode]?['lightOn'] ?? '亮';
  String get lightOff => _localizedValues[locale.languageCode]?['lightOff'] ?? '暗';
  String get enabled => _localizedValues[locale.languageCode]?['enabled'] ?? '启用';
  String get disabled => _localizedValues[locale.languageCode]?['disabled'] ?? '停用';
  String get stepList => _localizedValues[locale.languageCode]?['stepList'] ?? '步骤列表';
  String get operationSteps => _localizedValues[locale.languageCode]?['operationSteps'] ?? '操作步骤';
  String get addStep => _localizedValues[locale.languageCode]?['addStep'] ?? '添加步骤';
  String get editStep => _localizedValues[locale.languageCode]?['editStep'] ?? '编辑步骤';
  String get deleteStep => _localizedValues[locale.languageCode]?['deleteStep'] ?? '删除步骤';
  String get deleteStepConfirm => _localizedValues[locale.languageCode]?['deleteStepConfirm'] ?? '确定要删除此步骤吗？';
  String get stepsCount => _localizedValues[locale.languageCode]?['stepsCount'] ?? '步';
  String get noSteps => _localizedValues[locale.languageCode]?['noSteps'] ?? '暂无步骤';
  String get selectStepFirst => _localizedValues[locale.languageCode]?['selectStepFirst'] ?? '请选择或添加步骤';
  String get oldPassword => _localizedValues[locale.languageCode]?['oldPassword'] ?? '原密码';
  String get newPassword => _localizedValues[locale.languageCode]?['newPassword'] ?? '新密码';
  String get confirmPassword => _localizedValues[locale.languageCode]?['confirmPassword'] ?? '确认新密码';
  String get passwordMinLength => _localizedValues[locale.languageCode]?['passwordMinLength'] ?? '至少6位字符';
  String get passwordChanged => _localizedValues[locale.languageCode]?['passwordChanged'] ?? '密码已修改';
  String get passwordChangeFailed => _localizedValues[locale.languageCode]?['passwordChangeFailed'] ?? '密码修改失败';
  String get oldPasswordError => _localizedValues[locale.languageCode]?['oldPasswordError'] ?? '原密码错误';
  String get passwordMismatch => _localizedValues[locale.languageCode]?['passwordMismatch'] ?? '两次输入的新密码不一致';
  String get fillAllFields => _localizedValues[locale.languageCode]?['fillAllFields'] ?? '请填写所有字段';
  String get importSuccess => _localizedValues[locale.languageCode]?['importSuccess'] ?? '成功导入';
  String get importFailed => _localizedValues[locale.languageCode]?['importFailed'] ?? '导入失败';
  String get programsImported => _localizedValues[locale.languageCode]?['programsImported'] ?? '个程序';
  String get usbDetected => _localizedValues[locale.languageCode]?['usbDetected'] ?? '检测到U盘';
  String get usbNotDetected => _localizedValues[locale.languageCode]?['usbNotDetected'] ?? '未检测到U盘';
  String get insertUsb => _localizedValues[locale.languageCode]?['insertUsb'] ?? '请插入U盘后重试';
  String get detectingUsb => _localizedValues[locale.languageCode]?['detectingUsb'] ?? '正在检测U盘...';
  String get currentVersion => _localizedValues[locale.languageCode]?['currentVersion'] ?? '当前版本';
  String get latestVersion => _localizedValues[locale.languageCode]?['latestVersion'] ?? '已是最新版本';
  String get updateAvailable => _localizedValues[locale.languageCode]?['updateAvailable'] ?? '有新版本可用';
  String get checkUpdate => _localizedValues[locale.languageCode]?['checkUpdate'] ?? '检查更新';

  static final Map<String, Map<String, String>> _localizedValues = {
    'zh': {
      'deviceName': '污水毒品前处理一体机',
      'running': '运行中',
      'idle': '未运行',
      'lighting': '照明',
      'deviceControl': '设备控制',
      'programs': '程序管理',
      'programList': '程序列表',
      'programName': '程序名称',
      'programCode': '程序编号',
      'createTime': '创建时间',
      'addProgram': '新增程序',
      'editProgram': '编辑程序',
      'deleteProgram': '删除程序',
      'importProgram': '导入程序',
      'downloadTemplate': '下载模板',
      'viewDetails': '查看详情',
      'selectedProgram': '当前选中程序',
      'selectedProgramLabel': '当前选中',
      'availablePrograms': '可用程序',
      'runningMonitor': '运行状态监控',
      'currentHole': '当前孔位',
      'stepParams': '步骤参数',
      'speed': '速度',
      'speedLevel': '档',
      'temperature': '温度',
      'airflowTime': '吹气时间',
      'duration': '持续时间',
      'sampleVolume': '样品体积',
      'pleaseSelectProgram': '请选择要运行的程序',
      'run': '运行',
      'pause': '暂停',
      'continue': '继续',
      'stop': '停止',
      'startRun': '开始运行',
      'currentStep': '当前步骤',
      'remainingTime': '剩余时间',
      'progress': '进度',
      'ceramicSleeveConfirm': '运行前请确认已安装瓷套棒',
      'ceramicSleeveConfirmMessage': '请确认已放置瓷套棒后再启动程序。',
      'paused': '已暂停',
      'stopConfirm': '确定要停止当前运行的程序吗？',
      'currentProgram': '当前程序',
      'backToHome': '返回首页',
      'runAgain': '重新运行',
      'deleteConfirm': '确定要删除此程序吗？',
      'stepNo': '步骤编号',
      'position': '孔位',
      'stepName': '步骤名称',
      'mixTime': '混合时间',
      'magnetTime': '吸磁时间',
      'volume': '容积',
      'blowTime': '吹气时间',
      'settings': '系统设置',
      'language': '语言设置',
      'password': '密码修改',
      'upgrade': '软件升级',
      'usbImport': 'U盘导入',
      'confirm': '确认',
      'cancel': '取消',
      'save': '保存',
      'delete': '删除',
      'select': '选择',
      'selected': '已选择',
      'detail': '详情',
      'noData': '暂无数据',
      'runComplete': '运行完成',
      'sampleDropGuide': '请将样本滴入检测卡',
      'lightOn': '亮',
      'lightOff': '暗',
      'enabled': '启用',
      'disabled': '停用',
      'stepList': '步骤列表',
      'operationSteps': '操作步骤',
      'addStep': '添加步骤',
      'editStep': '编辑步骤',
      'deleteStep': '删除步骤',
      'deleteStepConfirm': '确定要删除此步骤吗？',
      'stepsCount': '步',
      'noSteps': '暂无步骤',
      'selectStepFirst': '请选择或添加步骤',
      'oldPassword': '原密码',
      'newPassword': '新密码',
      'confirmPassword': '确认新密码',
      'passwordMinLength': '至少6位字符',
      'passwordChanged': '密码已修改',
      'passwordChangeFailed': '密码修改失败',
      'oldPasswordError': '原密码错误',
      'passwordMismatch': '两次输入的新密码不一致',
      'fillAllFields': '请填写所有字段',
      'importSuccess': '成功导入',
      'importFailed': '导入失败',
      'programsImported': '个程序',
      'usbDetected': '检测到U盘',
      'usbNotDetected': '未检测到U盘',
      'insertUsb': '请插入U盘后重试',
      'detectingUsb': '正在检测U盘...',
      'currentVersion': '当前版本',
      'latestVersion': '已是最新版本',
      'updateAvailable': '有新版本可用',
      'checkUpdate': '检查更新',
    },
    'en': {
      'deviceName': 'Wastewater Drug Pretreatment System',
      'running': 'Running',
      'idle': 'Idle',
      'lighting': 'Lighting',
      'deviceControl': 'Device Control',
      'programs': 'Programs',
      'programList': 'Program List',
      'programName': 'Program Name',
      'programCode': 'Program Code',
      'createTime': 'Create Time',
      'addProgram': 'Add Program',
      'editProgram': 'Edit Program',
      'deleteProgram': 'Delete Program',
      'importProgram': 'Import Program',
      'downloadTemplate': 'Download Template',
      'viewDetails': 'View Details',
      'selectedProgram': 'Selected Program',
      'selectedProgramLabel': 'Selected',
      'availablePrograms': 'Available Programs',
      'runningMonitor': 'Running Status Monitor',
      'currentHole': 'Current Position',
      'stepParams': 'Step Parameters',
      'speed': 'Speed',
      'speedLevel': 'level',
      'temperature': 'Temperature',
      'airflowTime': 'Airflow Time',
      'duration': 'Duration',
      'sampleVolume': 'Sample Volume',
      'pleaseSelectProgram': 'Please select a program',
      'run': 'Run',
      'pause': 'Pause',
      'continue': 'Continue',
      'stop': 'Stop',
      'startRun': 'Start Run',
      'currentStep': 'Current Step',
      'remainingTime': 'Remaining',
      'progress': 'Progress',
      'ceramicSleeveConfirm': 'Please confirm ceramic sleeve is installed',
      'ceramicSleeveConfirmMessage': 'Please make sure the ceramic sleeve is in place before starting the program.',
      'paused': 'Paused',
      'stopConfirm': 'Are you sure to stop the running program?',
      'currentProgram': 'Current Program',
      'backToHome': 'Back to Home',
      'runAgain': 'Run Again',
      'deleteConfirm': 'Are you sure to delete this program?',
      'stepNo': 'Step No.',
      'position': 'Position',
      'stepName': 'Step Name',
      'mixTime': 'Mix Time',
      'magnetTime': 'Magnet Time',
      'volume': 'Volume',
      'blowTime': 'Blow Time',
      'settings': 'Settings',
      'language': 'Language',
      'password': 'Password',
      'upgrade': 'Upgrade',
      'usbImport': 'USB Import',
      'confirm': 'Confirm',
      'cancel': 'Cancel',
      'save': 'Save',
      'delete': 'Delete',
      'select': 'Select',
      'selected': 'Selected',
      'detail': 'Detail',
      'noData': 'No Data',
      'runComplete': 'Complete',
      'sampleDropGuide': 'Drop sample to test card',
      'lightOn': 'On',
      'lightOff': 'Off',
      'enabled': 'Enabled',
      'disabled': 'Disabled',
      'stepList': 'Step List',
      'operationSteps': 'Operation Steps',
      'addStep': 'Add Step',
      'editStep': 'Edit Step',
      'deleteStep': 'Delete Step',
      'deleteStepConfirm': 'Are you sure to delete this step?',
      'stepsCount': 'steps',
      'noSteps': 'No steps',
      'selectStepFirst': 'Please select or add a step',
      'oldPassword': 'Old Password',
      'newPassword': 'New Password',
      'confirmPassword': 'Confirm Password',
      'passwordMinLength': 'At least 6 characters',
      'passwordChanged': 'Password changed',
      'passwordChangeFailed': 'Password change failed',
      'oldPasswordError': 'Old password incorrect',
      'passwordMismatch': 'Passwords do not match',
      'fillAllFields': 'Please fill all fields',
      'importSuccess': 'Successfully imported',
      'importFailed': 'Import failed',
      'programsImported': 'programs',
      'usbDetected': 'USB detected',
      'usbNotDetected': 'USB not detected',
      'insertUsb': 'Please insert USB and try again',
      'detectingUsb': 'Detecting USB...',
      'currentVersion': 'Current Version',
      'latestVersion': 'Already latest version',
      'updateAvailable': 'Update available',
      'checkUpdate': 'Check Update',
    },
  };
}

class _AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
  const _AppLocalizationsDelegate();

  @override
  bool isSupported(Locale locale) {
    return ['zh', 'en'].contains(locale.languageCode);
  }

  @override
  Future<AppLocalizations> load(Locale locale) async {
    return AppLocalizations(locale);
  }

  @override
  bool shouldReload(_AppLocalizationsDelegate old) => false;
}