import 'package:common_utils/common_utils.dart';
import 'package:ducafe_ui_core/ducafe_ui_core.dart';
import 'package:flutter/material.dart';
import 'package:forui/forui.dart';
import 'package:get/get.dart';

import 'package:pj_supermarket_cloud/common/index.dart';

import '../controller.dart';
import 'setting_components.dart';

Widget settingSync(BuildContext context) {
  final controller = Get.find<SettingController>();
  return Obx(() {
    final sys = controller.sysSetting.value;
    if (sys == null) return const SettingEmpty(message: '暂无同步信息');
    final deviceStatus = AppDeviceStatusTool.status.value;
    final deviceProgress = AppDeviceStatusTool.progress.value;
    final availableDeviceCount = [
      deviceStatus.printerAvailable,
      deviceStatus.steelyardAvailable,
      deviceStatus.cardReaderAvailable,
      deviceStatus.subScreenAvailable,
    ].where((available) => available).length;
    final items = <_SyncItem>[
      _SyncItem(
        'deviceStatus',
        '同步设备状态',
        deviceStatus.updatedAt,
        controller.syncDeviceStatus,
        icon: FAssets.icons.hardDrive,
        statusText: deviceProgress.running
            ? deviceProgress.message
            : '已连接 $availableDeviceCount/4 个设备',
        warning: availableDeviceCount < 4,
        forceSyncing: deviceProgress.running,
      ),
      _SyncItem('config', '同步设备信息', sys.syncTime, controller.syncConfig),
      _SyncItem('mq', '同步长链接', sys.mqSyncTime, controller.syncMq),
      _SyncItem(
        'classify',
        '同步分类',
        sys.sysType == SysType.CANTEEN
            ? sys.canteenClassifySyncTime
            : sys.supermarketClassifySyncTime,
        controller.syncClassify,
      ),
      _SyncItem(
        'product',
        '同步商品',
        sys.sysType == SysType.CANTEEN
            ? sys.canteenProductSyncTime
            : sys.supermarketProductSyncTime,
        controller.syncProduct,
      ),
      _SyncItem(
        'offlineOrder',
        '同步离线订单',
        sys.offlineOrderSyncTime,
        controller.syncOfflineOrder,
        icon: FAssets.icons.cloudDownload,
      ),
    ];
    return Column(
      children: [
        Expanded(
          child: Container(
            key: const ValueKey('setting-sync-list'),
            clipBehavior: Clip.antiAlias,
            decoration: BoxDecoration(
              color: XfjDesignTokens.surface,
              border: Border.all(color: XfjDesignTokens.line),
              borderRadius: BorderRadius.circular(XfjDesignTokens.cardRadius),
            ),
            child: ListView.builder(
              padding: EdgeInsets.zero,
              itemCount: items.length,
              itemBuilder: (context, index) {
                final item = items[index];
                final itemSyncing = controller.syncingKey.value == item.key ||
                    item.forceSyncing;
                return _SyncRow(
                  item: item,
                  syncing: itemSyncing,
                  failed: controller.syncFailedKeys.contains(item.key),
                  enabled: controller.syncingKey.isEmpty ||
                      (item.key == 'deviceStatus' &&
                          (controller.syncingKey.value == 'deviceStatus' ||
                              item.forceSyncing)),
                  showDivider: index != items.length - 1,
                );
              },
            ),
          ),
        ),
        SizedBox(height: XfjDesignTokens.cardGap.h),
        const SettingNotice(
          text: '网络接口可用不等于业务服务可用。同步失败时会保留本地数据，可在网络恢复后重新执行。',
        ),
      ],
    );
  });
}

class _SyncItem {
  const _SyncItem(
    this.key,
    this.title,
    this.time,
    this.action, {
    this.icon,
    this.statusText,
    this.warning = false,
    this.forceSyncing = false,
  });

  final String key;
  final String title;
  final DateTime? time;
  final Future<void> Function() action;
  final SvgAsset? icon;
  final String? statusText;
  final bool warning;
  final bool forceSyncing;
}

class _SyncRow extends StatelessWidget {
  const _SyncRow({
    required this.item,
    required this.syncing,
    required this.failed,
    required this.enabled,
    required this.showDivider,
  });

  final _SyncItem item;
  final bool syncing;
  final bool failed;
  final bool enabled;
  final bool showDivider;

  @override
  Widget build(BuildContext context) {
    final theme = FTheme.of(context);
    final statusColor = failed
        ? XfjDesignTokens.danger
        : syncing
            ? XfjDesignTokens.primary
            : item.warning
                ? XfjDesignTokens.warning
                : XfjDesignTokens.success;
    return Opacity(
      opacity: enabled || syncing ? 1 : 0.55,
      child: InkWell(
        onTap: enabled ? item.action : null,
        child: Container(
          constraints: BoxConstraints(minHeight: 76.h),
          padding: EdgeInsets.symmetric(horizontal: 18.w, vertical: 10.h),
          decoration: BoxDecoration(
            border: showDivider
                ? const Border(
                    bottom: BorderSide(color: XfjDesignTokens.line),
                  )
                : null,
          ),
          child: Row(
            children: [
              Container(
                width: 44.w,
                height: 44.w,
                alignment: Alignment.center,
                decoration: BoxDecoration(
                  color: XfjDesignTokens.primarySoft,
                  borderRadius: BorderRadius.circular(
                    XfjDesignTokens.controlRadius,
                  ),
                ),
                child: syncing
                    ? SizedBox(
                        width: 22.w,
                        height: 22.w,
                        child: const CircularProgressIndicator(strokeWidth: 2),
                      )
                    : FIcon(
                        item.icon ?? FAssets.icons.refreshCw,
                        color: XfjDesignTokens.primary,
                        size: 24.sp,
                      ),
              ),
              SizedBox(width: 14.w),
              Expanded(
                child: Row(
                  children: [
                    Expanded(
                      child: Text(
                        item.title,
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                        style: theme.typography.base.copyWith(
                          color: XfjDesignTokens.ink,
                          fontWeight: FontWeight.w700,
                        ),
                      ),
                    ),
                    SizedBox(width: 20.w),
                    SizedBox(
                      width: 360.w,
                      child: Text(
                        '最后同步：${_formatTime(item.time)}',
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                        textAlign: TextAlign.right,
                        style: theme.typography.sm.copyWith(
                          color: XfjDesignTokens.muted,
                          fontFeatures: const [FontFeature.tabularFigures()],
                        ),
                      ),
                    ),
                    SizedBox(width: 20.w),
                    SizedBox(
                      width: 320.w,
                      child: Text(
                        failed
                            ? '同步失败，点击重试'
                            : syncing
                                ? item.statusText ?? '同步中...'
                                : item.statusText ?? '状态正常',
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                        textAlign: TextAlign.right,
                        style: theme.typography.sm.copyWith(
                          color: statusColor,
                          fontWeight: FontWeight.w600,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
              SizedBox(width: 14.w),
              FIcon(
                FAssets.icons.chevronRight,
                color: XfjDesignTokens.muted,
                size: 22.sp,
              ),
            ],
          ),
        ),
      ),
    );
  }
}

String _formatTime(DateTime? time) {
  if (time == null) return '未同步';
  return DateUtil.formatDate(time, format: DateFormats.full);
}