class StaffProfile {
  const StaffProfile({
    required this.identity,
    required this.name,
    required this.phone,
    required this.roleCode,
    required this.workStatus,
  });

  final String identity;
  final String name;
  final String phone;
  final String roleCode;
  final String workStatus;

  factory StaffProfile.fromJson(Map<String, Object?> json) => StaffProfile(
    identity: json['identity'] as String? ?? '',
    name: json['name'] as String? ?? '',
    phone: json['phone'] as String? ?? '',
    roleCode: json['role_code'] as String? ?? '',
    workStatus: json['work_status'] as String? ?? 'off_duty',
  );
}

class PreflightResult {
  const PreflightResult({
    required this.roleCode,
    required this.workStatus,
    required this.canWork,
    required this.checks,
  });

  final String roleCode;
  final String workStatus;
  final bool canWork;
  final Map<String, Object?> checks;

  factory PreflightResult.fromJson(Map<String, Object?> json) => PreflightResult(
    roleCode: json['role_code'] as String? ?? '',
    workStatus: json['work_status'] as String? ?? 'off_duty',
    canWork: json['can_work'] as bool? ?? false,
    checks: _map(json['checks']),
  );
}

class WorkItem {
  const WorkItem({
    required this.identity,
    required this.number,
    required this.title,
    required this.address,
    required this.status,
    required this.allowedActions,
    required this.raw,
  });

  final String identity;
  final String number;
  final String title;
  final String address;
  final int status;
  final List<String> allowedActions;
  final Map<String, Object?> raw;

  factory WorkItem.delivery(Map<String, Object?> json) => WorkItem(
    identity: json['identity'] as String? ?? '',
    number: json['order_no'] as String? ?? '',
    title: '燃气配送',
    address: json['address'] as String? ?? '',
    status: (json['order_status'] as num?)?.toInt() ?? 0,
    allowedActions: (json['allowed_actions'] as List? ?? const [])
        .map((item) => item.toString())
        .toList(growable: false),
    raw: json,
  );

  factory WorkItem.ticket(Map<String, Object?> json) => WorkItem(
    identity: json['identity'] as String? ?? '',
    number: json['ticket_no'] as String? ?? '',
    title: _ticketTitle(json['category'] as String? ?? ''),
    address: json['address'] as String? ?? '',
    status: (json['ticket_status'] as num?)?.toInt() ?? 0,
    allowedActions: _ticketActions((json['ticket_status'] as num?)?.toInt() ?? 0),
    raw: json,
  );
}

Map<String, Object?> _map(Object? value) {
  if (value is Map<String, Object?>) return value;
  if (value is Map) return value.map((key, item) => MapEntry(key.toString(), item));
  return const {};
}

String _ticketTitle(String category) => switch (category) {
  'installation' => '安装任务',
  'repair' => '维修任务',
  'inspection' => '安全检查',
  'reinspection' => '复检任务',
  _ => '服务任务',
};

List<String> _ticketActions(int status) => switch (status) {
  18 => const ['start'],
  11 => const ['submit_result', 'exception'],
  21 => const ['recover'],
  _ => const [],
};

String roleName(String role) => switch (role) {
  'delivery' => '配送员',
  'installer' => '安装维修员',
  'operations' => '安检员',
  _ => '工作人员',
};

String statusName(int status) => switch (status) {
  11 => '处理中',
  18 => '已分派',
  20 => '已就绪',
  21 => '异常',
  23 => '已完成',
  33 => '配送中',
  34 => '待确认',
  _ => '状态 $status',
};