import 'package:flutter/material.dart';
import 'package:flutter_remix/flutter_remix.dart';
import 'package:go_router/go_router.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:url_launcher/url_launcher_string.dart';

import '../../../common/config/app_h5_urls.dart';
import '../../../common/router/app_router.dart';
import '../../../common/widgets/app_toast.dart';
import '../../../common/widgets/prototype_ui.dart';
import '../../auth/application/auth_controller.dart';
import '../../auth/data/auth_models.dart';
import '../application/profile_settings_controller.dart';
import '../data/profile_models.dart';

class ProfilePage extends ConsumerWidget {
  const ProfilePage({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final settings = ref.watch(profileSettingsControllerProvider);
    final auth = ref.watch(authProvider);
    final cs = ShadTheme.of(context).colorScheme;
    final loggedIn = auth.valueOrNull is LoggedInAuthState;
    final currentUser = auth.valueOrNull is LoggedInAuthState
        ? (auth.valueOrNull as LoggedInAuthState).user
        : null;

    return SafeArea(
      top: false,
      child: ListView(
        padding: const EdgeInsets.fromLTRB(0, 8, 0, 20),
        children: [
          PrototypeFrame(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.stretch,
              children: [
                const Text(
                  '我的',
                  style: TextStyle(fontSize: 17, fontWeight: FontWeight.w600),
                ),
                const SizedBox(height: 14),
                PrototypeCard(
                  child: Row(
                    children: [
                      Container(
                        width: 46,
                        height: 46,
                        decoration: BoxDecoration(
                          color: const Color(0xFFF1EFE9),
                          borderRadius: BorderRadius.circular(999),
                        ),
                        child: const Icon(
                          Icons.person_outline,
                          color: Color(0xFF9A968D),
                        ),
                      ),
                      const SizedBox(width: 12),
                      Expanded(
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Text(
                              currentUser?.nickname ?? '未登录',
                              style: const TextStyle(
                                fontSize: 15,
                                fontWeight: FontWeight.w600,
                              ),
                            ),
                            const SizedBox(height: 4),
                            Text(
                              currentUser?.phone ?? '登录后可云备份、多端同步',
                              style: TextStyle(
                                fontSize: 12,
                                color: cs.mutedForeground,
                              ),
                            ),
                          ],
                        ),
                      ),
                      if (!loggedIn)
                        FilledButton(
                          onPressed: () => context.push(AppRoutes.login),
                          style: FilledButton.styleFrom(
                            padding: const EdgeInsets.symmetric(
                              horizontal: 16,
                              vertical: 10,
                            ),
                            minimumSize: Size.zero,
                          ),
                          child: Text('登录'),
                        ),
                    ],
                  ),
                ),
                const SizedBox(height: 12),
                PrototypeCard(
                  padding: EdgeInsets.zero,
                  child: Column(
                    children: [
                      _MenuRow(
                        title: '邀请好友，各得奖励',
                        subtitle: '需登录',
                        icon: Icons.card_giftcard_outlined,
                        onTap: () => _showInviteSheet(context),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      _MenuRow(
                        title: '分享我的贵金属估值卡',
                        subtitle: '免登录 · 自动打码金额',
                        icon: Icons.share_outlined,
                        onTap: () =>
                            _showShareCardSheet(context, currentUser?.nickname),
                      ),
                    ],
                  ),
                ),
                const SizedBox(height: 12),
                // PrototypeCard(
                //   padding: EdgeInsets.zero,
                //   child: Column(
                //     children: [
                //       SettingRow(
                //         icon: Icons.download_outlined,
                //         title: '本地导出备份',
                //         trailing: '导出',
                //         onTap: () => _showLocalBackupSheet(context),
                //       ),
                //       const PrototypeDivider(margin: EdgeInsets.zero),
                //       SettingRow(
                //         icon: Icons.cloud_outlined,
                //         title: '云备份 · 多端同步',
                //         trailing: loggedIn ? '已登录' : '登录解锁',
                //         onTap: () => _showCloudBackupSheet(context, loggedIn),
                //       ),
                //     ],
                //   ),
                // ),
                // const SizedBox(height: 12),
                PrototypeCard(
                  padding: EdgeInsets.zero,
                  child: Column(
                    children: [
                      SettingRow(
                        icon: Icons.tune_outlined,
                        title: '纯度系数管理',
                        trailing: '${settings.purityPresets.length} 项',
                        onTap: () => _showPuritySheet(context, settings),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: Icons.percent_outlined,
                        title: '回收折扣设置',
                        trailing:
                            '金 ${(settings.recycleDiscounts.values.first * 100).toStringAsFixed(0)}%',
                        onTap: () => _showRecycleSheet(context, settings),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: Icons.palette_outlined,
                        title: '涨跌颜色',
                        trailing: settings.priceColorMode.label,
                        onTap: () {
                          final nextMode =
                              settings.priceColorMode ==
                                  PriceColorMode.redUpGreenDown
                              ? PriceColorMode.greenUpRedDown
                              : PriceColorMode.redUpGreenDown;
                          ref
                              .read(profileSettingsControllerProvider.notifier)
                              .setPriceColorMode(nextMode);
                          toastInfo(msg: '已切换为「${nextMode.label}」');
                        },
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: Icons.currency_yen_outlined,
                        title: '显示币种',
                        trailing: '¥ CNY',
                        onTap: () => toastInfo(msg: '当前仅支持 ¥ CNY'),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: Icons.grid_view_outlined,
                        title: '添加桌面小组件',
                        trailing: '占位',
                        onTap: () => _showWidgetSheet(context),
                      ),
                    ],
                  ),
                ),
                const SizedBox(height: 12),
                PrototypeCard(
                  padding: EdgeInsets.zero,
                  child: Column(
                    children: [
                      SettingRow(
                        icon: Icons.settings,
                        title: '设置',
                        trailing: null,
                        onTap: () => context.push(AppRoutes.settings),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: FlutterRemix.file_list_3_line,
                        title: '用户协议',
                        onTap: () => launchUrlString(
                          AppH5UrlsHelper.withCacheBuster(
                            AppH5Urls.userProtocolUrl,
                          ),
                          mode: LaunchMode.inAppBrowserView,
                        ),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: FlutterRemix.shield_check_line,
                        title: '隐私政策',
                        onTap: () => launchUrlString(
                          AppH5UrlsHelper.withCacheBuster(AppH5Urls.privacyUrl),
                          mode: LaunchMode.inAppBrowserView,
                        ),
                      ),
                      const PrototypeDivider(margin: EdgeInsets.zero),
                      SettingRow(
                        icon: Icons.info_outline,
                        title: '免责声明',
                        trailing: null,
                        onTap: () => _showDisclaimer(context),
                      ),
                      // const PrototypeDivider(margin: EdgeInsets.zero),
                      // SettingRow(
                      //   icon: Icons.feedback_outlined,
                      //   title: '意见反馈 · 关于金值',
                      //   trailing: null,
                      //   onTap: () => _showAbout(context),
                      // ),
                    ],
                  ),
                ),
                const SizedBox(height: 14),
                PrototypeCard(
                  child: Text(
                    '风险提示 · 数据来源 · 免责\n金值是贵金属资产记录与估值工具，所有信息不构成投资建议。\n· 行情 / 兑换价格均为参考，标注来源与更新时间，实际以交易系统 / 门店为准。\n· 材料价值 = 克重 × 纯度系数 × 上海金现货，非金店零售价（含工费 / 品牌溢价）、非回收实收价。\n· 资讯为信息整理，非投资建议；历史走势不代表未来。',
                    style: TextStyle(
                      color: cs.mutedForeground,
                      height: 1.7,
                      fontSize: 12,
                    ),
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  void _showDisclaimer(BuildContext context) {
    context.push(AppRoutes.profileDisclaimer);
  }

  Future<void> _showInviteSheet(BuildContext context) async {
    context.push(AppRoutes.profileInvite);
  }

  Future<void> _showShareCardSheet(
    BuildContext context,
    String? nickname,
  ) async {
    context.push(AppRoutes.profileShare);
  }

  Future<void> _showLocalBackupSheet(BuildContext context) async {
    context.push(AppRoutes.profileLocalBackup);
  }

  Future<void> _showCloudBackupSheet(
    BuildContext context,
    bool loggedIn,
  ) async {
    context.push(AppRoutes.profileCloudBackup);
  }

  Future<void> _showWidgetSheet(BuildContext context) async {
    context.push(AppRoutes.profileWidget);
  }

  Future<void> _showPuritySheet(
    BuildContext context,
    ProfileSettings settings,
  ) async {
    context.push(AppRoutes.profilePurity);
  }

  Future<void> _showRecycleSheet(
    BuildContext context,
    ProfileSettings settings,
  ) async {
    context.push(AppRoutes.profileRecycle);
  }

  void _showAbout(BuildContext context) {
    context.push(AppRoutes.profileAbout);
  }
}

class _MenuRow extends StatelessWidget {
  const _MenuRow({
    required this.title,
    required this.subtitle,
    required this.icon,
    required this.onTap,
  });

  final String title;
  final String subtitle;
  final IconData icon;
  final VoidCallback onTap;

  @override
  Widget build(BuildContext context) {
    final cs = ShadTheme.of(context).colorScheme;
    return InkWell(
      onTap: onTap,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
        child: Row(
          children: [
            Icon(icon, size: 20, color: const Color(0xFF8A8780)),
            const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    title,
                    style: const TextStyle(
                      fontSize: 14,
                      fontWeight: FontWeight.w600,
                    ),
                  ),
                  const SizedBox(height: 4),
                  Text(
                    subtitle,
                    style: TextStyle(fontSize: 12, color: cs.mutedForeground),
                  ),
                ],
              ),
            ),
            Icon(Icons.chevron_right, size: 16, color: cs.mutedForeground),
          ],
        ),
      ),
    );
  }
}

class SettingRow extends StatelessWidget {
  const SettingRow({
    required this.icon,
    required this.title,
    required this.onTap,
    this.trailing,
    this.destructive = false,
  });

  final IconData icon;
  final String title;
  final String? trailing;
  final VoidCallback onTap;
  final bool destructive;

  @override
  Widget build(BuildContext context) {
    final cs = ShadTheme.of(context).colorScheme;
    final color = destructive ? cs.destructive : cs.foreground;

    return InkWell(
      onTap: onTap,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
        child: Row(
          children: [
            Icon(icon, size: 20, color: const Color(0xFF8A8780)),
            const SizedBox(width: 12),
            Expanded(
              child: Text(
                title,
                style: TextStyle(
                  fontSize: 14,
                  fontWeight: FontWeight.w600,
                  color: color,
                ),
              ),
            ),
            if (trailing != null)
              Text(
                trailing!,
                style: TextStyle(fontSize: 12, color: cs.mutedForeground),
              ),
            const SizedBox(width: 6),
            Icon(Icons.chevron_right, size: 16, color: cs.mutedForeground),
          ],
        ),
      ),
    );
  }
}