import '../data/region_data.dart';

/// 门店信息模型。
///
/// 对应后端 /sys/store/* 接口的门店实体。
///
/// 扩展字段（[themeId]/[splashUrl]/[logoUrl]/省市区/[addressDetail]）均为可空，
/// 向后兼容既有后端响应；这些字段仅在「前端占位」阶段由本地缓存承载，
/// 后续由后端提供后自动填充。
class StoreInfo {
  const StoreInfo({
    required this.orgId,
    required this.name,
    required this.address,
    required this.contactPhone,
    required this.activationCode,
    required this.status,
    required this.expireTime,
    required this.createTime,
    this.parentId,
    this.themeId,
    this.splashUrl,
    this.logoUrl,
    this.provinceCode,
    this.cityCode,
    this.districtCode,
    this.addressDetail,
    int? deviceLimit,
  }) : deviceLimit = deviceLimit;

  /// 门店组织 ID。
  final String orgId;

  /// 父级组织 ID（所属渠道/代理商）。
  final String? parentId;

  /// 门店名称。
  final String name;

  /// 地址（兼容旧文本地址；新结构优先用省市区拼接）。
  final String address;

  /// 联系电话。
  final String contactPhone;

  /// 激活码。
  final String activationCode;

  /// 状态（0=正常 1=禁用）。
  final int status;

  /// 到期时间。
  final DateTime? expireTime;

  /// 创建时间。
  final DateTime? createTime;

  /// 设备总数上限（组织树 groupLimit / 激活码 maxActivateCount）。
  final int? deviceLimit;

  /// 主题 id（如 'ocean'）；前端占位，对应 [StoreThemePresets.byId]。
  final String? themeId;

  /// 启动图本地路径 / 远程 URL（占位）。
  final String? splashUrl;

  /// Logo 本地路径 / 远程 URL（占位）。
  final String? logoUrl;

  /// 省 code（6 位）。
  final String? provinceCode;

  /// 市 code。
  final String? cityCode;

  /// 区 code。
  final String? districtCode;

  /// 街道/门牌等详情文本。
  final String? addressDetail;

  factory StoreInfo.fromJson(Map<String, dynamic> json) {
    return StoreInfo(
      orgId: (json['orgId'] ?? json['id'])?.toString() ?? '',
      parentId: json['parentId']?.toString() ??
          json['parent_id']?.toString() ??
          (json['parent'] is Map ? json['parent']['id']?.toString() : null),
      name: json['name']?.toString() ?? '',
      address: json['address']?.toString() ?? '',
      contactPhone: json['contactPhone']?.toString() ?? '',
      activationCode: json['activationCode']?.toString() ?? '',
      status: int.tryParse(json['status']?.toString() ?? '0') ?? 0,
      expireTime: _parseDateTime(
        json['expireTime'] ?? json['expire_time'] ?? json['expiredTime'],
      ),
      createTime: _parseDateTime(
        json['createTime'] ??
            json['create_time'] ??
            json['createdTime'] ??
            json['createdAt'] ??
            json['created_at'],
      ),
      deviceLimit: _parseInt(
        json['groupLimit'] ?? json['deviceLimit'] ?? json['device_limit'],
      ),
      themeId: json['themeId']?.toString(),
      splashUrl: json['splashUrl']?.toString(),
      logoUrl: json['logoUrl']?.toString(),
      provinceCode: json['provinceCode']?.toString(),
      cityCode: json['cityCode']?.toString(),
      districtCode: json['districtCode']?.toString(),
      addressDetail: json['addressDetail']?.toString(),
    );
  }

  /// 兼容 `yyyy-MM-dd HH:mm:ss` 与 ISO 8601 两种时间格式。
  static DateTime? _parseDateTime(dynamic value) {
    if (value == null) return null;
    final text = value.toString().trim();
    if (text.isEmpty) return null;
    return DateTime.tryParse(text) ??
        DateTime.tryParse(text.replaceFirst(' ', 'T'));
  }

  /// 解析可空整型（设备上限等）。
  static int? _parseInt(dynamic value) {
    if (value == null) return null;
    return int.tryParse(value.toString());
  }

  Map<String, dynamic> toJson() {
    return {
      'orgId': orgId,
      'parentId': parentId,
      'name': name,
      'address': address,
      'contactPhone': contactPhone,
      'activationCode': activationCode,
      'status': status,
      'expireTime': expireTime?.toIso8601String(),
      'createTime': createTime?.toIso8601String(),
      'deviceLimit': deviceLimit,
      'themeId': themeId,
      'splashUrl': splashUrl,
      'logoUrl': logoUrl,
      'provinceCode': provinceCode,
      'cityCode': cityCode,
      'districtCode': districtCode,
      'addressDetail': addressDetail,
    };
  }

  /// 不可变更新副本（仅覆盖传入的非空参数）。
  ///
  /// 用于门店列表加载后，用 [OrgService.getStoreListByLoginOrg] 回填的
  /// 到期时间等非组织树字段，避免重建整个对象。
  StoreInfo copyWith({
    String? orgId,
    String? parentId,
    String? name,
    String? address,
    String? contactPhone,
    String? activationCode,
    int? status,
    DateTime? expireTime,
    DateTime? createTime,
    int? deviceLimit,
    String? themeId,
    String? splashUrl,
    String? logoUrl,
    String? provinceCode,
    String? cityCode,
    String? districtCode,
    String? addressDetail,
  }) {
    return StoreInfo(
      orgId: orgId ?? this.orgId,
      parentId: parentId ?? this.parentId,
      name: name ?? this.name,
      address: address ?? this.address,
      contactPhone: contactPhone ?? this.contactPhone,
      activationCode: activationCode ?? this.activationCode,
      status: status ?? this.status,
      expireTime: expireTime ?? this.expireTime,
      createTime: createTime ?? this.createTime,
      deviceLimit: deviceLimit ?? this.deviceLimit,
      themeId: themeId ?? this.themeId,
      splashUrl: splashUrl ?? this.splashUrl,
      logoUrl: logoUrl ?? this.logoUrl,
      provinceCode: provinceCode ?? this.provinceCode,
      cityCode: cityCode ?? this.cityCode,
      districtCode: districtCode ?? this.districtCode,
      addressDetail: addressDetail ?? this.addressDetail,
    );
  }

  /// 拼接展示地址：省名 + 市名 + 区名 + 详情文本。
  ///
  /// 若已设置省市区则优先用编码反查名称拼接；否则回退到旧文本 [address]。
  String get regionText {
    final names = <String>[];
    if (provinceCode != null && provinceCode!.isNotEmpty) {
      final p = RegionData.instance.nameOf(provinceCode!);
      if (p.isNotEmpty) names.add(p);
    }
    if (cityCode != null && cityCode!.isNotEmpty) {
      final c = RegionData.instance.nameOf(cityCode!);
      if (c.isNotEmpty) names.add(c);
    }
    if (districtCode != null && districtCode!.isNotEmpty) {
      final d = RegionData.instance.nameOf(districtCode!);
      if (d.isNotEmpty) names.add(d);
    }
    final detail = (addressDetail ?? '').trim();
    if (detail.isNotEmpty) names.add(detail);
    if (names.isEmpty) return address;
    return names.join('');
  }
}