xianyan/lib/features/share/share_target.dart

/// ============================================================
/// 闲言APP — 分享目标模型
/// 创建时间: 2026-04-30
/// 更新时间: 2026-06-12
/// 作用: 可编辑的分享目标枚举，支持增删排序和持久化
/// 上次更新: 添加iconData字段，支持CupertinoIcons图标
/// ============================================================

import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../../../core/utils/logger.dart';

class ShareTarget {
  const ShareTarget({
    required this.id,
    required this.label,
    required this.emoji,
    required this.type,
    this.iconData,
    this.enabled = true,
    this.sortOrder = 0,
  });

  final String id;
  final String label;
  final String emoji;
  final IconData? iconData;
  final ShareTargetType type;
  final bool enabled;
  final int sortOrder;

  static const _prefsKey = 'share_targets_v1';

  static List<ShareTarget> get defaults => const [
    ShareTarget(
      id: 'copy_text',
      label: '复制文字',
      emoji: '📋',
      iconData: CupertinoIcons.doc_on_clipboard,
      type: ShareTargetType.copyText,
    ),
    ShareTarget(
      id: 'copy_url',
      label: '复制链接',
      emoji: '🔗',
      iconData: CupertinoIcons.link,
      type: ShareTargetType.copyUrl,
      sortOrder: 1,
    ),
    ShareTarget(
      id: 'system_share',
      label: '系统分享',
      emoji: '📤',
      iconData: CupertinoIcons.share,
      type: ShareTargetType.systemShare,
      sortOrder: 2,
    ),
    ShareTarget(
      id: 'save_qr',
      label: '保存二维码',
      emoji: '💾',
      iconData: CupertinoIcons.qrcode,
      type: ShareTargetType.saveQrCode,
      sortOrder: 3,
    ),
    ShareTarget(
      id: 'save_card',
      label: '保存卡片',
      emoji: '🎴',
      iconData: CupertinoIcons.photo,
      type: ShareTargetType.saveCardImage,
      sortOrder: 4,
    ),
    ShareTarget(
      id: 'save_gallery',
      label: '保存到相册',
      emoji: '🖼️',
      iconData: CupertinoIcons.photo_on_rectangle,
      type: ShareTargetType.saveToGallery,
      sortOrder: 5,
    ),
    ShareTarget(
      id: 'wechat_friend',
      label: '微信好友',
      emoji: '💚',
      iconData: CupertinoIcons.chat_bubble_2,
      type: ShareTargetType.wechatFriend,
      enabled: false,
      sortOrder: 6,
    ),
    ShareTarget(
      id: 'wechat_moments',
      label: '朋友圈',
      emoji: '🟢',
      iconData: CupertinoIcons.chat_bubble_2_fill,
      type: ShareTargetType.wechatMoments,
      enabled: false,
      sortOrder: 7,
    ),
    ShareTarget(
      id: 'qq',
      label: 'QQ',
      emoji: '🐧',
      iconData: CupertinoIcons.chat_bubble_2,
      type: ShareTargetType.qq,
      enabled: false,
      sortOrder: 8,
    ),
    ShareTarget(
      id: 'weibo',
      label: '微博',
      emoji: '🔴',
      iconData: CupertinoIcons.chat_bubble_2,
      type: ShareTargetType.weibo,
      enabled: false,
      sortOrder: 9,
    ),
    ShareTarget(
      id: 'add_note',
      label: '添加笔记',
      emoji: '📝',
      iconData: CupertinoIcons.doc_text,
      type: ShareTargetType.addNote,
      sortOrder: 10,
    ),
  ];

  Map<String, dynamic> toJson() => {
    'id': id,
    'label': label,
    'emoji': emoji,
    'type': type.name,
    'enabled': enabled,
    'sortOrder': sortOrder,
  };

  factory ShareTarget.fromJson(Map<String, dynamic> json) {
    return ShareTarget(
      id: json['id'] as String,
      label: json['label'] as String,
      emoji: json['emoji'] as String,
      // iconData不序列化，通过load()从defaults恢复
      type: ShareTargetType.values.firstWhere(
        (t) => t.name == json['type'],
        orElse: () => ShareTargetType.systemShare,
      ),
      enabled: json['enabled'] as bool? ?? true,
      sortOrder: json['sortOrder'] as int? ?? 0,
    );
  }

  ShareTarget copyWith({
    String? id,
    String? label,
    String? emoji,
    IconData? iconData,
    ShareTargetType? type,
    bool? enabled,
    int? sortOrder,
  }) {
    return ShareTarget(
      id: id ?? this.id,
      label: label ?? this.label,
      emoji: emoji ?? this.emoji,
      iconData: iconData ?? this.iconData,
      type: type ?? this.type,
      enabled: enabled ?? this.enabled,
      sortOrder: sortOrder ?? this.sortOrder,
    );
  }

  static Future<List<ShareTarget>> load() async {
    try {
      final prefs = await SharedPreferences.getInstance();
      final raw = prefs.getString(_prefsKey);
      if (raw == null) return defaults;
      final list = jsonDecode(raw) as List;
      return list
          .map((e) {
            final target = ShareTarget.fromJson(e as Map<String, dynamic>);
            // 从defaults中匹配iconData（IconData不可序列化）
            final defaultTarget =
                defaults.where((d) => d.id == target.id).firstOrNull;
            return target.copyWith(iconData: defaultTarget?.iconData);
          })
          .toList()
        ..sort((a, b) => a.sortOrder.compareTo(b.sortOrder));
    } catch (e) {
      Log.e('加载分享目标失败', e);
      return defaults;
    }
  }

  static Future<void> save(List<ShareTarget> targets) async {
    try {
      final prefs = await SharedPreferences.getInstance();
      final json = jsonEncode(targets.map((t) => t.toJson()).toList());
      await prefs.setString(_prefsKey, json);
    } catch (e) {
      Log.e('保存分享目标失败', e);
    }
  }

  static Future<void> reset() async {
    try {
      final prefs = await SharedPreferences.getInstance();
      await prefs.remove(_prefsKey);
    } catch (e) {
      Log.e('重置分享目标失败', e);
    }
  }
}

enum ShareTargetType {
  copyText,
  copyUrl,
  systemShare,
  saveQrCode,
  saveCardImage,
  saveToGallery,
  wechatFriend,
  wechatMoments,
  qq,
  weibo,
  addNote,
}