import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:superport/data/models/zipcode_dto.dart';

class ZipcodeTable extends StatelessWidget {
  final List<ZipcodeDto> zipcodes;
  final int currentPage;
  final int totalPages;
  final Function(int) onPageChanged;
  final Function(ZipcodeDto) onSelect;

  const ZipcodeTable({
    super.key,
    required this.zipcodes,
    required this.currentPage,
    required this.totalPages,
    required this.onPageChanged,
    required this.onSelect,
  });

  void _copyToClipboard(BuildContext context, String text, String label) {
    Clipboard.setData(ClipboardData(text: text));
    
    ShadToaster.of(context).show(
      ShadToast(
        title: Text('$label 복사됨'),
        description: Text(text),
        duration: const Duration(seconds: 2),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final theme = ShadTheme.of(context);

    return Column(
      children: [
        Expanded(
          child: ShadCard(
            child: SingleChildScrollView(
              child: DataTable(
                horizontalMargin: 16,
                columnSpacing: 24,
                columns: const [
                  DataColumn(
                    label: Text(
                      '우편번호',
                      style: TextStyle(fontWeight: FontWeight.w600),
                    ),
                  ),
                  DataColumn(
                    label: Text(
                      '시도',
                      style: TextStyle(fontWeight: FontWeight.w600),
                    ),
                  ),
                  DataColumn(
                    label: Text(
                      '구/군',
                      style: TextStyle(fontWeight: FontWeight.w600),
                    ),
                  ),
                  DataColumn(
                    label: Text(
                      '상세주소',
                      style: TextStyle(fontWeight: FontWeight.w600),
                    ),
                  ),
                  DataColumn(
                    label: Text(
                      '작업',
                      style: TextStyle(fontWeight: FontWeight.w600),
                    ),
                  ),
                ],
                rows: zipcodes.map((zipcode) {
                  return DataRow(
                    cells: [
                      // 우편번호
                      DataCell(
                        Row(
                          children: [
                            Container(
                              padding: const EdgeInsets.symmetric(
                                horizontal: 8,
                                vertical: 4,
                              ),
                              decoration: BoxDecoration(
                                color: theme.colorScheme.primary.withValues(alpha: 0.1),
                                borderRadius: BorderRadius.circular(6),
                              ),
                              child: Text(
                                zipcode.zipcode.toString().padLeft(5, '0'),
                                style: TextStyle(
                                  fontWeight: FontWeight.w600,
                                  color: theme.colorScheme.primary,
                                  fontFamily: 'monospace',
                                ),
                              ),
                            ),
                            const SizedBox(width: 8),
                            ShadButton.ghost(
                              onPressed: () => _copyToClipboard(
                                context, 
                                zipcode.zipcode.toString().padLeft(5, '0'), 
                                '우편번호'
                              ),
                              size: ShadButtonSize.sm,
                              child: Icon(
                                Icons.copy,
                                size: 14,
                                color: theme.colorScheme.mutedForeground,
                              ),
                            ),
                          ],
                        ),
                      ),

                      // 시도
                      DataCell(
                        Row(
                          children: [
                            Icon(
                              Icons.location_city,
                              size: 16,
                              color: theme.colorScheme.mutedForeground,
                            ),
                            const SizedBox(width: 6),
                            Text(
                              zipcode.sido,
                              style: const TextStyle(fontWeight: FontWeight.w500),
                            ),
                          ],
                        ),
                      ),

                      // 구/군
                      DataCell(
                        Row(
                          children: [
                            Icon(
                              Icons.location_on,
                              size: 16,
                              color: theme.colorScheme.mutedForeground,
                            ),
                            const SizedBox(width: 6),
                            Text(
                              zipcode.gu,
                              style: const TextStyle(fontWeight: FontWeight.w500),
                            ),
                          ],
                        ),
                      ),

                      // 상세주소
                      DataCell(
                        ConstrainedBox(
                          constraints: const BoxConstraints(maxWidth: 300),
                          child: Row(
                            children: [
                              Expanded(
                                child: Text(
                                  zipcode.etc,
                                  overflow: TextOverflow.ellipsis,
                                  style: TextStyle(
                                    color: theme.colorScheme.foreground,
                                  ),
                                ),
                              ),
                              const SizedBox(width: 8),
                              ShadButton.ghost(
                                onPressed: () => _copyToClipboard(
                                  context, 
                                  zipcode.fullAddress, 
                                  '전체주소'
                                ),
                                size: ShadButtonSize.sm,
                                child: Icon(
                                  Icons.copy,
                                  size: 14,
                                  color: theme.colorScheme.mutedForeground,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ),

                      // 작업
                      DataCell(
                        Row(
                          mainAxisSize: MainAxisSize.min,
                          children: [
                            ShadButton(
                              onPressed: () => onSelect(zipcode),
                              size: ShadButtonSize.sm,
                              child: const Row(
                                mainAxisSize: MainAxisSize.min,
                                children: [
                                  Icon(Icons.check, size: 14),
                                  SizedBox(width: 4),
                                  Text('선택'),
                                ],
                              ),
                            ),
                            const SizedBox(width: 6),
                            ShadButton.outline(
                              onPressed: () => _showAddressDetails(context, zipcode),
                              size: ShadButtonSize.sm,
                              child: const Icon(Icons.info_outline, size: 14),
                            ),
                          ],
                        ),
                      ),
                    ],
                  );
                }).toList(),
              ),
            ),
          ),
        ),
        
        // 페이지네이션
        if (totalPages > 1)
          Container(
            padding: const EdgeInsets.all(16),
            decoration: BoxDecoration(
              border: Border(
                top: BorderSide(
                  color: theme.colorScheme.border,
                  width: 1,
                ),
              ),
            ),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                ShadButton.ghost(
                  onPressed: currentPage > 1
                      ? () => onPageChanged(currentPage - 1)
                      : null,
                  size: ShadButtonSize.sm,
                  child: const Icon(Icons.chevron_left, size: 16),
                ),
                const SizedBox(width: 8),
                
                // 페이지 번호 표시
                ...List.generate(
                  totalPages > 7 ? 7 : totalPages,
                  (index) {
                    int pageNumber;
                    if (totalPages <= 7) {
                      pageNumber = index + 1;
                    } else if (currentPage <= 4) {
                      pageNumber = index + 1;
                    } else if (currentPage >= totalPages - 3) {
                      pageNumber = totalPages - 6 + index;
                    } else {
                      pageNumber = currentPage - 3 + index;
                    }
                    
                    if (pageNumber > totalPages) return const SizedBox.shrink();
                    
                    return Padding(
                      padding: const EdgeInsets.symmetric(horizontal: 2),
                      child: pageNumber == currentPage
                          ? ShadButton(
                              onPressed: () => onPageChanged(pageNumber),
                              size: ShadButtonSize.sm,
                              child: Text(pageNumber.toString()),
                            )
                          : ShadButton.outline(
                              onPressed: () => onPageChanged(pageNumber),
                              size: ShadButtonSize.sm,
                              child: Text(pageNumber.toString()),
                            ),
                    );
                  },
                ),
                
                const SizedBox(width: 8),
                ShadButton.ghost(
                  onPressed: currentPage < totalPages
                      ? () => onPageChanged(currentPage + 1)
                      : null,
                  size: ShadButtonSize.sm,
                  child: const Icon(Icons.chevron_right, size: 16),
                ),
                const SizedBox(width: 24),
                
                // 페이지 정보
                Text(
                  '페이지 $currentPage / $totalPages',
                  style: theme.textTheme.muted,
                ),
              ],
            ),
          ),
      ],
    );
  }

  void _showAddressDetails(BuildContext context, ZipcodeDto zipcode) {
    showDialog(
      context: context,
      builder: (context) => ShadDialog(
        title: const Text('우편번호 상세정보'),
        description: const Text('선택한 우편번호의 상세 정보입니다'),
        child: Container(
          width: 400,
          padding: const EdgeInsets.all(16),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 우편번호
              _buildInfoRow(
                context,
                '우편번호', 
                zipcode.zipcode.toString().padLeft(5, '0'),
                Icons.local_post_office,
              ),
              const SizedBox(height: 12),
              
              // 시도
              _buildInfoRow(
                context,
                '시도', 
                zipcode.sido,
                Icons.location_city,
              ),
              const SizedBox(height: 12),
              
              // 구/군
              _buildInfoRow(
                context,
                '구/군', 
                zipcode.gu,
                Icons.location_on,
              ),
              const SizedBox(height: 12),
              
              // 상세주소
              _buildInfoRow(
                context,
                '상세주소', 
                zipcode.etc,
                Icons.home,
              ),
              const SizedBox(height: 12),
              
              // 전체주소
              _buildInfoRow(
                context,
                '전체주소', 
                zipcode.fullAddress,
                Icons.place,
              ),
              const SizedBox(height: 20),
              
              // 액션 버튼
              Row(
                children: [
                  Expanded(
                    child: ShadButton.outline(
                      onPressed: () => _copyToClipboard(
                        context, 
                        zipcode.fullAddress, 
                        '전체주소'
                      ),
                      child: const Row(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          Icon(Icons.copy, size: 16),
                          SizedBox(width: 6),
                          Text('주소 복사'),
                        ],
                      ),
                    ),
                  ),
                  const SizedBox(width: 8),
                  Expanded(
                    child: ShadButton(
                      onPressed: () {
                        Navigator.of(context).pop();
                        onSelect(zipcode);
                      },
                      child: const Row(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: [
                          Icon(Icons.check, size: 16),
                          SizedBox(width: 6),
                          Text('선택'),
                        ],
                      ),
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildInfoRow(BuildContext context, String label, String value, IconData icon) {
    final theme = ShadTheme.of(context);
    
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Icon(
          icon,
          size: 16,
          color: theme.colorScheme.mutedForeground,
        ),
        const SizedBox(width: 8),
        SizedBox(
          width: 60,
          child: Text(
            label,
            style: theme.textTheme.small.copyWith(
              fontWeight: FontWeight.w600,
              color: theme.colorScheme.mutedForeground,
            ),
          ),
        ),
        const SizedBox(width: 8),
        Expanded(
          child: Text(
            value,
            style: theme.textTheme.small.copyWith(
              fontWeight: FontWeight.w500,
            ),
          ),
        ),
      ],
    );
  }
}