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

class MultiPackedRow extends StatelessWidget {
  final ManyToOnePackedItem item;
  final bool editing;
  final bool deleting;
  final bool isSubmitting;
  final String editingQuantity;
  final ValueChanged<String> onEditingQuantityChanged;
  final VoidCallback onSave;
  final VoidCallback onCancelEdit;
  final VoidCallback onStartEdit;
  final VoidCallback onStartDelete;
  final VoidCallback onDelete;
  final VoidCallback onCancelDelete;

  const MultiPackedRow({
    super.key,
    required this.item,
    required this.editing,
    required this.deleting,
    required this.isSubmitting,
    required this.editingQuantity,
    required this.onEditingQuantityChanged,
    required this.onSave,
    required this.onCancelEdit,
    required this.onStartEdit,
    required this.onStartDelete,
    required this.onDelete,
    required this.onCancelDelete,
  });

  @override
  Widget build(BuildContext context) {
    final totalText = item.totalQuantity?.toString() ?? '--';
    final barColor = editing
        ? Colors.amber
        : (deleting ? Colors.red : Colors.green);

    final Color bgColor;
    if (editing) {
      bgColor = Colors.yellow.shade50;
    } else if (deleting) {
      bgColor = Colors.red.shade50;
    } else {
      bgColor = Colors.transparent;
    }

    final rowStyle = TextStyle(
      fontSize: 15,
      fontWeight: FontWeight.w500,
      color: Colors.black87,
    );

    return Column(
      children: [
        Container(
          constraints: const BoxConstraints(minHeight: 36),
          padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
          decoration: BoxDecoration(
            color: bgColor,
            border: Border(
              left: BorderSide(color: barColor, width: 3),
              bottom: BorderSide(color: Colors.grey.shade200),
            ),
          ),
          child: Row(
            children: [
              Expanded(
                flex: 26,
                child: Text(
                  item.zongpaiNo,
                  textAlign: TextAlign.center,
                  overflow: TextOverflow.ellipsis,
                  style: rowStyle.copyWith(fontWeight: FontWeight.w700),
                ),
              ),
              Expanded(
                flex: 30,
                child: Text(
                  item.workOrderNo ?? '--',
                  textAlign: TextAlign.center,
                  overflow: TextOverflow.ellipsis,
                  style: rowStyle,
                ),
              ),
              Expanded(
                flex: 23,
                child: editing
                    ? SizedBox(
                        width: 52,
                        height: 26,
                        child: TextField(
                          keyboardType: TextInputType.none,
                          inputFormatters: [
                            FilteringTextInputFormatter.digitsOnly,
                          ],
                          textAlign: TextAlign.center,
                          controller:
                              TextEditingController(text: editingQuantity)
                                ..selection = TextSelection.collapsed(
                                  offset: editingQuantity.length,
                                ),
                          onChanged: onEditingQuantityChanged,
                          decoration: InputDecoration(
                            contentPadding: const EdgeInsets.symmetric(
                              horizontal: 4,
                            ),
                            border: OutlineInputBorder(
                              borderRadius: BorderRadius.circular(4),
                              borderSide: const BorderSide(
                                color: Colors.amber,
                                width: 1.5,
                              ),
                            ),
                          ),
                          style: const TextStyle(
                            fontSize: 15,
                            fontWeight: FontWeight.w600,
                          ),
                        ),
                      )
                    : Text(
                        '${item.quantity} / $totalText',
                        textAlign: TextAlign.center,
                        style: TextStyle(
                          fontSize: 15,
                          fontWeight: FontWeight.w600,
                          color: deleting ? Colors.red : Colors.green.shade700,
                        ),
                      ),
              ),
              SizedBox(
                width: 54,
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    if (editing) ...[
                      CompactIconButton(
                        icon: Icons.check,
                        color: Colors.green,
                        onTap: isSubmitting ? null : onSave,
                      ),
                      CompactIconButton(
                        icon: Icons.close,
                        color: Colors.grey,
                        onTap: isSubmitting ? null : onCancelEdit,
                      ),
                    ] else ...[
                      CompactIconButton(
                        icon: Icons.edit,
                        color: Colors.grey.shade700,
                        onTap: isSubmitting ? null : onStartEdit,
                      ),
                      CompactIconButton(
                        icon: Icons.delete_outline,
                        color: Colors.red,
                        onTap: isSubmitting ? null : onStartDelete,
                      ),
                    ],
                  ],
                ),
              ),
            ],
          ),
        ),
        if (deleting)
          Container(
            height: 28,
            padding: const EdgeInsets.only(left: 15, right: 12),
            decoration: BoxDecoration(
              color: Colors.red.shade50,
              border: Border(bottom: BorderSide(color: Colors.red.shade200)),
            ),
            child: Row(
              children: [
                Expanded(
                  child: Text(
                    '确认删除？',
                    style: const TextStyle(
                      fontSize: 12,
                      color: Colors.red,
                      fontWeight: FontWeight.w500,
                    ),
                  ),
                ),
                TextButton(
                  onPressed: isSubmitting ? null : onDelete,
                  style: TextButton.styleFrom(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 8,
                      vertical: 3,
                    ),
                    minimumSize: Size.zero,
                    tapTargetSize: MaterialTapTargetSize.shrinkWrap,
                    backgroundColor: Colors.red.shade100,
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(4),
                    ),
                  ),
                  child: const Text(
                    '删除',
                    style: TextStyle(
                      fontSize: 12,
                      fontWeight: FontWeight.w700,
                      color: Colors.red,
                    ),
                  ),
                ),
                const SizedBox(width: 4),
                TextButton(
                  onPressed: isSubmitting ? null : onCancelDelete,
                  style: TextButton.styleFrom(
                    padding: const EdgeInsets.symmetric(
                      horizontal: 8,
                      vertical: 3,
                    ),
                    minimumSize: Size.zero,
                    tapTargetSize: MaterialTapTargetSize.shrinkWrap,
                  ),
                  child: const Text(
                    '取消',
                    style: TextStyle(
                      fontSize: 12,
                      fontWeight: FontWeight.w700,
                      color: Colors.grey,
                    ),
                  ),
                ),
              ],
            ),
          ),
      ],
    );
  }
}