import 'package:friendly_map/modules/core/core.dart';

/// 공개 단계.
enum VLevel {
  open('공개'),
  partial('일부'),
  hidden('숨김');

  const VLevel(this.label);
  final String label;

  /// 공개 → 일부 → 숨김 → 공개 순서로 돌린다 (표의 칸을 누를 때).
  VLevel get next => VLevel.values[(index + 1) % VLevel.values.length];

  /// 더 많이 보여 주는 쪽.
  static VLevel moreOpen(VLevel a, VLevel b) => a.index <= b.index ? a : b;
}

/// 정보 묶음 (표의 행).
class VCategory {
  static const school = 'school';
  static const work = 'work';
  static const birthday = 'birthday';
  static const contact = 'contact';
  static const location = 'location';
  static const all = [school, work, birthday, contact, location];

  static String label(String c) => switch (c) {
        school => '학교',
        work => '회사·직책',
        birthday => '생일',
        contact => '연락처',
        location => '실시간 위치',
        _ => c,
      };

  /// 명함 항목 이름 → 정보 묶음. 이름·가족 관계처럼 어느 묶음에도 없으면 null (항상 보인다).
  static String? ofKey(String key) => switch (key) {
        CardKeys.school || CardKeys.level || CardKeys.year || CardKeys.major => school,
        CardKeys.company || CardKeys.position || CardKeys.former => work,
        CardKeys.birthday => birthday,
        CardKeys.phone || CardKeys.email => contact,
        _ => null,
      };
}

/// 받는 사람의 관계 묶음 (표의 열).
class VAudience {
  static const family = 'family';
  static const company = 'company';
  static const school = 'school';
  static const group = 'group';
  static const all = [family, company, school, group];

  static String label(String a) => switch (a) {
        family => '가족',
        company => '회사',
        school => '동문',
        group => '그룹',
        _ => a,
      };

  /// 연결 관계 글자(예: "가족:어머니", "동창", "전 직장 동료", "같은 모임")에서 관계 묶음을 찾는다.
  static String? ofRelation(String relation) {
    if (relation.startsWith('가족')) return family;
    if (relation.contains('직장') || relation.contains('회사') || relation.contains('동료')) return company;
    if (relation.contains('동창') || relation.contains('동문')) return school;
    if (relation.contains('모임') || relation.contains('여행') || relation.contains('그룹')) return group;
    return null;
  }

  /// 명함 종류 → 관계 묶음. 개인 명함은 특정 관계를 뜻하지 않아 null.
  static String? ofCardKind(String kind) => switch (kind) {
        CardKinds.family => family,
        CardKinds.company => company,
        CardKinds.school => school,
        CardKinds.group => group,
        _ => null,
      };
}