import 'package:flutter/material.dart';
import 'package:superport/models/equipment_unified_model.dart';
import 'package:superport/screens/equipment/widgets/equipment_status_chip.dart';
import 'package:superport/screens/equipment/widgets/equipment_out_info.dart';
import 'package:superport/utils/equipment_display_helper.dart';

// 장비 목록 테이블 위젯 (SRP, 재사용성 강화)
class EquipmentTable extends StatelessWidget {
  final List<UnifiedEquipment> equipments;
  final Set<String> selectedEquipmentIds;
  final bool showDetailedColumns;
  final void Function(int? id, String status, bool? isSelected)
  onEquipmentSelected;
  final String Function(int equipmentId, String infoType) getOutEquipmentInfo;
  final Widget Function(UnifiedEquipment equipment) buildCategoryWithTooltip;
  final void Function(int id, String status) onEdit;
  final void Function(int id, String status) onDelete;
  final int Function() getSelectedInStockCount;

  const EquipmentTable({
    super.key,
    required this.equipments,
    required this.selectedEquipmentIds,
    required this.showDetailedColumns,
    required this.onEquipmentSelected,
    required this.getOutEquipmentInfo,
    required this.buildCategoryWithTooltip,
    required this.onEdit,
    required this.onDelete,
    required this.getSelectedInStockCount,
  });

  // 출고 정보(간소화 모드) 위젯
  Widget _buildCompactOutInfo(int equipmentId) {
    final company = getOutEquipmentInfo(equipmentId, 'company');
    final manager = getOutEquipmentInfo(equipmentId, 'manager');
    final license = getOutEquipmentInfo(equipmentId, 'license');
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        EquipmentOutInfoIcon(infoType: 'company', text: company),
        const SizedBox(height: 2),
        EquipmentOutInfoIcon(infoType: 'manager', text: manager),
        const SizedBox(height: 2),
        EquipmentOutInfoIcon(infoType: 'license', text: license),
      ],
    );
  }

  // 카테고리 툴팁 위젯 (UI만 담당, 축약 표기 적용)
  Widget _buildCategoryWithTooltip(UnifiedEquipment equipment) {
    // 한글 라벨로 표기
    final fullCategory =
        '대분류: ${equipment.equipment.category} / 중분류: ${equipment.equipment.subCategory} / 소분류: ${equipment.equipment.subSubCategory}';
    final shortCategory = [
      _shortenCategory(equipment.equipment.category),
      _shortenCategory(equipment.equipment.subCategory),
      _shortenCategory(equipment.equipment.subSubCategory),
    ].join(' > ');
    return Tooltip(message: fullCategory, child: Text(shortCategory));
  }

  // 카테고리 축약 표기 함수 (예: 컴...)
  String _shortenCategory(String category) {
    if (category.length <= 2) return category;
    return category.substring(0, 2) + '...';
  }

  @override
  Widget build(BuildContext context) {
    return DataTable(
      headingRowHeight: 48,
      dataRowMinHeight: 48,
      dataRowMaxHeight: 60,
      columnSpacing: 10,
      horizontalMargin: 16,
      columns: [
        const DataColumn(label: SizedBox(width: 32, child: Text('선택'))),
        const DataColumn(label: SizedBox(width: 32, child: Text('번호'))),
        if (showDetailedColumns)
          const DataColumn(label: SizedBox(width: 60, child: Text('제조사'))),
        const DataColumn(label: SizedBox(width: 90, child: Text('장비명'))),
        if (showDetailedColumns)
          const DataColumn(label: SizedBox(width: 110, child: Text('분류'))),
        if (showDetailedColumns)
          const DataColumn(label: SizedBox(width: 60, child: Text('장비 유형'))),
        if (showDetailedColumns)
          const DataColumn(label: SizedBox(width: 70, child: Text('시리얼번호'))),
        const DataColumn(label: SizedBox(width: 38, child: Text('수량'))),
        const DataColumn(label: SizedBox(width: 80, child: Text('변경 일자'))),
        const DataColumn(label: SizedBox(width: 44, child: Text('상태'))),
        if (showDetailedColumns) ...[
          const DataColumn(label: SizedBox(width: 90, child: Text('출고 회사'))),
          const DataColumn(label: SizedBox(width: 60, child: Text('담당자'))),
          const DataColumn(label: SizedBox(width: 60, child: Text('라이센스'))),
        ] else
          const DataColumn(label: SizedBox(width: 110, child: Text('출고 정보'))),
        const DataColumn(label: SizedBox(width: 60, child: Text('관리'))),
      ],
      rows:
          equipments.asMap().entries.map((entry) {
            final index = entry.key;
            final equipment = entry.value;
            final bool isInStock = equipment.status == 'I';
            final bool isOutStock = equipment.status == 'O';
            return DataRow(
              color: MaterialStateProperty.resolveWith<Color?>(
                (Set<MaterialState> states) =>
                    index % 2 == 0 ? Colors.grey[50] : null,
              ),
              cells: [
                DataCell(
                  Checkbox(
                    value: selectedEquipmentIds.contains(
                      '${equipment.id}:${equipment.status}',
                    ),
                    onChanged:
                        (isSelected) => onEquipmentSelected(
                          equipment.id,
                          equipment.status,
                          isSelected,
                        ),
                    materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
                  ),
                ),
                DataCell(Text('${index + 1}')),
                if (showDetailedColumns)
                  DataCell(
                    Text(
                      EquipmentDisplayHelper.formatManufacturer(
                        equipment.equipment.manufacturer,
                      ),
                    ),
                  ),
                DataCell(
                  Text(
                    EquipmentDisplayHelper.formatEquipmentName(
                      equipment.equipment.name,
                    ),
                    style: const TextStyle(fontWeight: FontWeight.bold),
                  ),
                ),
                if (showDetailedColumns)
                  DataCell(buildCategoryWithTooltip(equipment)),
                if (showDetailedColumns)
                  DataCell(
                    Text(
                      equipment.status == 'I' &&
                              equipment is UnifiedEquipment &&
                              equipment.type != null
                          ? equipment.type!
                          : '-',
                    ),
                  ),
                if (showDetailedColumns)
                  DataCell(
                    Text(
                      EquipmentDisplayHelper.formatSerialNumber(
                        equipment.equipment.serialNumber,
                      ),
                    ),
                  ),
                DataCell(
                  Text(
                    '${equipment.equipment.quantity}',
                    textAlign: TextAlign.center,
                  ),
                ),
                DataCell(
                  Text(EquipmentDisplayHelper.formatDate(equipment.date)),
                ),
                DataCell(EquipmentStatusChip(status: equipment.status)),
                if (showDetailedColumns) ...[
                  DataCell(
                    Text(
                      isOutStock
                          ? getOutEquipmentInfo(equipment.id!, 'company')
                          : '-',
                    ),
                  ),
                  DataCell(
                    Text(
                      isOutStock
                          ? getOutEquipmentInfo(equipment.id!, 'manager')
                          : '-',
                    ),
                  ),
                  DataCell(
                    Text(
                      isOutStock
                          ? getOutEquipmentInfo(equipment.id!, 'license')
                          : '-',
                    ),
                  ),
                ] else
                  DataCell(
                    isOutStock
                        ? _buildCompactOutInfo(equipment.id!)
                        : const Text('-'),
                  ),
                DataCell(
                  Row(
                    mainAxisSize: MainAxisSize.min,
                    children: [
                      IconButton(
                        icon: const Icon(
                          Icons.edit,
                          color: Colors.blue,
                          size: 20,
                        ),
                        constraints: const BoxConstraints(),
                        padding: const EdgeInsets.all(5),
                        onPressed:
                            () => onEdit(equipment.id!, equipment.status),
                      ),
                      IconButton(
                        icon: const Icon(
                          Icons.delete,
                          color: Colors.red,
                          size: 20,
                        ),
                        constraints: const BoxConstraints(),
                        padding: const EdgeInsets.all(5),
                        onPressed:
                            () => onDelete(equipment.id!, equipment.status),
                      ),
                    ],
                  ),
                ),
              ],
            );
          }).toList(),
    );
  }
}