import 'package:flutter/material.dart';
import 'package:pad_scanner/pages/boxing/boxing_models.dart';

class BoxingNoticeBanners extends StatelessWidget {
  final bool isAutoProcessing;
  final List<String> autoWarnings;
  final String? paichanSwitchNotice;
  final bool isDuplicateBoxNo;
  final bool quantityTooHigh;
  final BoxingPhase phase;
  final String boxNoText;
  final int remainingQuantity;
  final String? zongpaiNo;
  final int? completedJumpBoxNo;
  final VoidCallback onJumpToCompletedBox;

  const BoxingNoticeBanners({
    super.key,
    required this.isAutoProcessing,
    required this.autoWarnings,
    required this.paichanSwitchNotice,
    required this.isDuplicateBoxNo,
    required this.quantityTooHigh,
    required this.phase,
    required this.boxNoText,
    required this.remainingQuantity,
    required this.zongpaiNo,
    required this.completedJumpBoxNo,
    required this.onJumpToCompletedBox,
  });

  @override
  Widget build(BuildContext context) {
    final banners = <Widget>[];
    if (isAutoProcessing) {
      banners.add(
        _NoticeBanner(
          icon: SizedBox(
            width: 12,
            height: 12,
            child: CircularProgressIndicator(
              strokeWidth: 1.5,
              color: Colors.orange.shade700,
            ),
          ),
          text: '正在同步转运数据...',
          background: Colors.orange.shade50,
          foreground: Colors.orange.shade900,
          border: Colors.orange.shade100,
        ),
      );
    }
    if (autoWarnings.isNotEmpty) {
      banners.add(
        _NoticeBanner(
          icon: Icon(
            Icons.warning_amber,
            size: 14,
            color: Colors.amber.shade900,
          ),
          text: autoWarnings.join('；'),
          background: Colors.amber.shade100,
          foreground: Colors.amber.shade900,
          border: Colors.amber.shade200,
        ),
      );
    }
    if (paichanSwitchNotice != null) {
      banners.add(
        _NoticeBanner(
          icon: Icon(Icons.info_outline, size: 14, color: Colors.blue.shade900),
          text: paichanSwitchNotice!,
          background: Colors.blue.shade50,
          foreground: Colors.blue.shade900,
          border: Colors.blue.shade100,
        ),
      );
    }
    if (isDuplicateBoxNo && phase == BoxingPhase.scanned) {
      banners.add(
        _NoticeBanner(
          icon: Icon(
            Icons.warning_amber,
            size: 14,
            color: Colors.amber.shade900,
          ),
          text: '箱号 $boxNoText 已存在，请重新输入',
          background: Colors.amber.shade100,
          foreground: Colors.amber.shade900,
          border: Colors.amber.shade200,
        ),
      );
    }
    if (quantityTooHigh && phase == BoxingPhase.scanned) {
      banners.add(
        _NoticeBanner(
          icon: Icon(Icons.close, size: 14, color: Colors.red.shade800),
          text: '超出可装数量上限（最多可装 $remainingQuantity 件）',
          background: Colors.red.shade50,
          foreground: Colors.red.shade800,
          border: Colors.red.shade100,
        ),
      );
    }
    if (phase == BoxingPhase.scanned &&
        zongpaiNo != null &&
        remainingQuantity <= 0) {
      final jumpBoxNo = completedJumpBoxNo;
      if (jumpBoxNo != null) {
        banners.add(
          GestureDetector(
            onTap: onJumpToCompletedBox,
            behavior: HitTestBehavior.opaque,
            child: _NoticeBanner(
              icon: Icon(Icons.warning, size: 14, color: Colors.amber.shade800),
              text: '$zongpaiNo 已完成装箱。(P4跳转所在箱号)',
              background: Colors.amber.shade50,
              foreground: Colors.amber.shade800,
              border: Colors.amber.shade200,
            ),
          ),
        );
      } else {
        banners.add(
          _NoticeBanner(
            icon: Icon(Icons.warning, size: 14, color: Colors.red.shade800),
            text: '$zongpaiNo 已全部装箱完毕，无需操作',
            background: Colors.red.shade50,
            foreground: Colors.red.shade800,
            border: Colors.red.shade100,
          ),
        );
      }
    }
    return Column(mainAxisSize: MainAxisSize.min, children: banners);
  }
}

class _NoticeBanner extends StatelessWidget {
  final Widget icon;
  final String text;
  final Color background;
  final Color foreground;
  final Color border;

  const _NoticeBanner({
    required this.icon,
    required this.text,
    required this.background,
    required this.foreground,
    required this.border,
  });

  @override
  Widget build(BuildContext context) {
    return Container(
      width: double.infinity,
      padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 12),
      decoration: BoxDecoration(
        color: background,
        border: Border(bottom: BorderSide(color: border)),
      ),
      child: Row(
        children: [
          icon,
          const SizedBox(width: 6),
          Expanded(
            child: Text(
              text,
              style: TextStyle(fontSize: 12, color: foreground),
              overflow: TextOverflow.ellipsis,
            ),
          ),
        ],
      ),
    );
  }
}