import React, { useState } from 'react';
import { exportMaterialsToExcel, createExcelBlob } from '../../../utils/excelExport';
import api from '../../../api';
import { FilterableHeader } from '../shared';

const BoltMaterialsView = ({ 
  materials, 
  selectedMaterials, 
  setSelectedMaterials,
  userRequirements,
  setUserRequirements,
  purchasedMaterials,
  onPurchasedMaterialsUpdate,
  updateMaterial, // 자재 업데이트 함수
  jobNo,
  fileId,
  user 
}) => {
  const [sortConfig, setSortConfig] = useState({ key: null, direction: 'asc' });
  const [columnFilters, setColumnFilters] = useState({});
  const [showFilterDropdown, setShowFilterDropdown] = useState(null);
  const [savedRequests, setSavedRequests] = useState({}); // 저장된 추가요구사항 상태
  const [editingRequest, setEditingRequest] = useState({}); // 추가요구사항 편집 모드
  const [savingRequest, setSavingRequest] = useState({}); // 추가요구사항 저장 중 상태

  // 컴포넌트 마운트 시 저장된 데이터 로드
  React.useEffect(() => {
    const loadSavedData = () => {
      const savedRequestsData = {};
      
      materials.forEach(material => {
        if (material.user_requirement && material.user_requirement.trim()) {
          savedRequestsData[material.id] = material.user_requirement.trim();
        }
      });
      
      setSavedRequests(savedRequestsData);
    };

    if (materials && materials.length > 0) {
      loadSavedData();
    } else {
      setSavedRequests({});
    }
  }, [materials]);

  // 추가요구사항 저장 함수
  const handleSaveRequest = async (materialId, request) => {
    setSavingRequest(prev => ({ ...prev, [materialId]: true }));
    try {
      await api.patch(`/materials/${materialId}/user-requirement`, { 
        user_requirement: request.trim() 
      });
      setSavedRequests(prev => ({ ...prev, [materialId]: request.trim() }));
      setEditingRequest(prev => ({ ...prev, [materialId]: false }));
      setUserRequirements(prev => ({ ...prev, [materialId]: '' }));
      
      if (updateMaterial) {
        updateMaterial(materialId, { user_requirement: request.trim() });
      }
    } catch (error) {
      console.error('추가요구사항 저장 실패:', error);
      alert('추가요구사항 저장에 실패했습니다.');
    } finally {
      setSavingRequest(prev => ({ ...prev, [materialId]: false }));
    }
  };

  // 추가요구사항 편집 시작
  const handleEditRequest = (materialId, currentRequest) => {
    setEditingRequest(prev => ({ ...prev, [materialId]: true }));
    setUserRequirements(prev => ({ ...prev, [materialId]: currentRequest || '' }));
  };

  // 볼트 추가요구사항 추출 함수
  const extractBoltAdditionalRequirements = (description) => {
    const additionalReqs = [];
    
    // 표면처리 패턴 확인
    const surfacePatterns = {
      'ELEC.GALV': 'ELEC.GALV',
      'ELEC GALV': 'ELEC.GALV',
      'GALVANIZED': 'GALVANIZED',
      'GALV': 'GALV',
      'HOT DIP GALV': 'HDG',
      'HDG': 'HDG',
      'ZINC PLATED': 'ZINC PLATED',
      'ZINC': 'ZINC',
      'PLAIN': 'PLAIN'
    };
    
    for (const [pattern, treatment] of Object.entries(surfacePatterns)) {
      if (description.includes(pattern)) {
        additionalReqs.push(treatment);
        break; // 첫 번째 매치만 사용
      }
    }
    
    return additionalReqs.join(', ') || '-';
  };

  const parseBoltInfo = (material) => {
    const qty = Math.round(material.quantity || 0);
    
    // 플랜지당 볼트 세트 수 추출 (예: (8), (4))
    const boltDetails = material.bolt_details || {};
    let boltsPerFlange = boltDetails.dimensions?.bolts_per_flange || 1;
    
    // 백엔드에서 정보가 없으면 원본 설명에서 직접 추출
    if (boltsPerFlange === 1) {
      const description = material.original_description || '';
      const flangePattern = description.match(/\((\d+)\)/);
      if (flangePattern) {
        boltsPerFlange = parseInt(flangePattern[1]);
      }
    }
    
    // 실제 필요한 볼트 수 = 플랜지 수 × 플랜지당 볼트 세트 수
    const totalBoltsNeeded = qty * boltsPerFlange;
    const safetyQty = Math.ceil(totalBoltsNeeded * 1.05); // 5% 여유율
    const purchaseQty = Math.ceil(safetyQty / 4) * 4; // 4의 배수
    
    // 길이 정보 (bolt_details 우선, 없으면 원본 설명에서 추출)
    let boltLength = '-';
    if (boltDetails.length && boltDetails.length !== '-') {
      boltLength = boltDetails.length;
    } else {
      // 원본 설명에서 길이 추출
      const description = material.original_description || '';
      const lengthPatterns = [
        /(\d+(?:\.\d+)?)\s*LG/i,  // 75 LG, 90.0000 LG
        /(\d+(?:\.\d+)?)\s*mm/i,  // 50mm
        /(\d+(?:\.\d+)?)\s*MM/i,  // 50MM
        /LG[,\s]*(\d+(?:\.\d+)?)/i // LG, 75 형태
      ];
      
      for (const pattern of lengthPatterns) {
        const match = description.match(pattern);
        if (match) {
          let lengthValue = match[1];
          // 소수점 제거 (145.0000 → 145)
          if (lengthValue.includes('.') && lengthValue.endsWith('.0000')) {
            lengthValue = lengthValue.split('.')[0];
          } else if (lengthValue.includes('.') && /\.0+$/.test(lengthValue)) {
            lengthValue = lengthValue.split('.')[0];
          }
          boltLength = `${lengthValue}mm`;
          break;
        }
      }
    }
    
    // 재질 정보 (bolt_details 우선, 없으면 기본 필드 사용)
    let boltGrade = '-';
    if (boltDetails.material_standard && boltDetails.material_grade) {
      // bolt_details에서 완전한 재질 정보 구성
      if (boltDetails.material_grade !== 'UNKNOWN' && boltDetails.material_grade !== 'UNCLASSIFIED' && boltDetails.material_grade !== boltDetails.material_standard) {
        boltGrade = `${boltDetails.material_standard} ${boltDetails.material_grade}`;
      } else {
        boltGrade = boltDetails.material_standard;
      }
    } else if (material.full_material_grade && material.full_material_grade !== '-') {
      boltGrade = material.full_material_grade;
    } else if (material.material_grade && material.material_grade !== '-') {
      boltGrade = material.material_grade;
    }
    
    // 볼트 타입 (PSV_BOLT, LT_BOLT 등)
    let boltSubtype = 'BOLT_GENERAL';
    if (boltDetails.bolt_type && boltDetails.bolt_type !== 'UNKNOWN' && boltDetails.bolt_type !== 'UNCLASSIFIED') {
      boltSubtype = boltDetails.bolt_type;
    } else {
      // 원본 설명에서 특수 볼트 타입 추출
      const description = material.original_description || '';
      const upperDesc = description.toUpperCase();
      if (upperDesc.includes('PSV')) {
        boltSubtype = 'PSV_BOLT';
      } else if (upperDesc.includes('LT')) {
        boltSubtype = 'LT_BOLT';
      } else if (upperDesc.includes('CK')) {
        boltSubtype = 'CK_BOLT';
      }
    }
    
    // 압력 등급 추출 (150LB 등)
    let boltPressure = '-';
    const description = material.original_description || '';
    const pressureMatch = description.match(/(\d+)\s*LB/i);
    if (pressureMatch) {
      boltPressure = `${pressureMatch[1]}LB`;
    }
    
    // User Requirements 추출 (ELEC.GALV 등)
    const userRequirements = extractBoltAdditionalRequirements(material.original_description || '');
    
    // Purchase Quantity (Quantity + Unit 통합) - 플랜지당 볼트 세트 수 정보 포함
    const purchaseQuantity = boltsPerFlange > 1 
      ? `${purchaseQty} SETS (${boltsPerFlange}/flange)`
      : `${purchaseQty} SETS`;
    
    return {
      type: 'BOLT',
      subtype: boltSubtype,
      size: material.size_spec || material.main_nom || '-',
      pressure: boltPressure, // 압력 등급 (150LB 등)
      schedule: boltLength, // 길이 정보
      grade: boltGrade,
      userRequirements: userRequirements, // User Requirements (ELEC.GALV 등)
      additionalReq: '-', // 추가요구사항 (사용자 입력)
      purchaseQuantity: purchaseQuantity // 구매수량 (통합)
    };
  };

  // 정렬 처리
  const handleSort = (key) => {
    let direction = 'asc';
    if (sortConfig.key === key && sortConfig.direction === 'asc') {
      direction = 'desc';
    }
    setSortConfig({ key, direction });
  };

  // 필터링된 및 정렬된 자재 목록
  const getFilteredAndSortedMaterials = () => {
    let filtered = materials.filter(material => {
      return Object.entries(columnFilters).every(([key, filterValue]) => {
        if (!filterValue) return true;
        const info = parseBoltInfo(material);
        const value = info[key]?.toString().toLowerCase() || '';
        return value.includes(filterValue.toLowerCase());
      });
    });

    if (sortConfig && sortConfig.key) {
      filtered.sort((a, b) => {
        const aInfo = parseBoltInfo(a);
        const bInfo = parseBoltInfo(b);
        
        if (!aInfo || !bInfo) return 0;
        
        const aValue = aInfo[sortConfig.key];
        const bValue = bInfo[sortConfig.key];
        
        // 값이 없는 경우 처리
        if (aValue === undefined && bValue === undefined) return 0;
        if (aValue === undefined) return 1;
        if (bValue === undefined) return -1;
        
        // 숫자인 경우 숫자로 비교
        if (typeof aValue === 'number' && typeof bValue === 'number') {
          return sortConfig.direction === 'asc' ? aValue - bValue : bValue - aValue;
        }
        
        // 문자열로 비교
        const aStr = String(aValue).toLowerCase();
        const bStr = String(bValue).toLowerCase();
        
        if (sortConfig.direction === 'asc') {
          return aStr.localeCompare(bStr);
        } else {
          return bStr.localeCompare(aStr);
        }
      });
    }

    return filtered;
  };

  // 전체 선택/해제 (구매신청된 자재 제외)
  const handleSelectAll = () => {
    const filteredMaterials = getFilteredAndSortedMaterials();
    const selectableMaterials = filteredMaterials.filter(m => !purchasedMaterials.has(m.id));
    
    if (selectedMaterials.size === selectableMaterials.length) {
      setSelectedMaterials(new Set());
    } else {
      setSelectedMaterials(new Set(selectableMaterials.map(m => m.id)));
    }
  };

  // 개별 선택 (구매신청된 자재는 선택 불가)
  const handleMaterialSelect = (materialId) => {
    if (purchasedMaterials.has(materialId)) {
      return; // 구매신청된 자재는 선택 불가
    }
    
    const newSelected = new Set(selectedMaterials);
    if (newSelected.has(materialId)) {
      newSelected.delete(materialId);
    } else {
      newSelected.add(materialId);
    }
    setSelectedMaterials(newSelected);
  };

  // 엑셀 내보내기
  const handleExportToExcel = async () => {
    const selectedMaterialsData = materials.filter(m => selectedMaterials.has(m.id));
    if (selectedMaterialsData.length === 0) {
      alert('내보낼 자재를 선택해주세요.');
      return;
    }

    const timestamp = new Date().toISOString().slice(0, 19).replace(/:/g, '-');
    const excelFileName = `BOLT_Materials_${timestamp}.xlsx`;

    const dataWithRequirements = selectedMaterialsData.map(material => ({
      ...material,
      user_requirement: savedRequests[material.id] || userRequirements[material.id] || ''
    }));

    try {
      console.log('🔄 볼트 엑셀 내보내기 시작 - 새로운 방식');
      
      // 1. 먼저 클라이언트에서 엑셀 파일 생성
      console.log('📊 엑셀 Blob 생성 중...', dataWithRequirements.length, '개 자료');
      const excelBlob = await createExcelBlob(dataWithRequirements, excelFileName, {
        category: 'BOLT',
        filename: excelFileName,
        uploadDate: new Date().toLocaleDateString()
      });
      console.log('✅ 엑셀 Blob 생성 완료:', excelBlob.size, 'bytes');

      // 2. 구매신청 생성
      const allMaterialIds = selectedMaterialsData.map(m => m.id);
      const response = await api.post('/purchase-request/create', {
        file_id: fileId,
        job_no: jobNo,
        category: 'BOLT',
        material_ids: allMaterialIds,
        materials_data: dataWithRequirements.map(m => ({
          material_id: m.id,
          description: m.original_description,
          category: m.classified_category,
          size: m.size_inch || m.size_spec,
          schedule: m.schedule,
          material_grade: m.material_grade || m.full_material_grade,
          quantity: m.quantity,
          unit: m.unit,
          user_requirement: userRequirements[m.id] || ''
        }))
      });

      if (response.data.success) {
        console.log(`✅ 구매신청 완료: ${response.data.request_no}, request_id: ${response.data.request_id}`);
        
        // 3. 엑셀 파일을 서버에 업로드
        const formData = new FormData();
        formData.append('excel_file', excelBlob, excelFileName);
        formData.append('request_id', response.data.request_id);
        formData.append('category', 'BOLT');
        
        console.log('📤 엑셀 파일 서버 업로드 중...');
        await api.post('/purchase-request/upload-excel', formData, {
          headers: { 'Content-Type': 'multipart/form-data' }
        });
        console.log('✅ 엑셀 파일 서버 업로드 완료');

        // 4. 구매된 자재 목록 업데이트 (비활성화)
        onPurchasedMaterialsUpdate(allMaterialIds);
        console.log('✅ 구매된 자재 목록 업데이트 완료');

        // 5. 클라이언트에 파일 다운로드
        const url = window.URL.createObjectURL(excelBlob);
        const link = document.createElement('a');
        link.href = url;
        link.download = excelFileName;
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
        window.URL.revokeObjectURL(url);

        alert(`구매신청 ${response.data?.request_no || ''}이 생성되고 엑셀 파일이 저장되었습니다.`);
      } else {
        throw new Error(response.data?.message || '구매신청 생성 실패');
      }
    } catch (error) {
      console.error('엑셀 저장 또는 구매신청 실패:', error);
      // 실패 시에도 클라이언트 다운로드는 진행
      exportMaterialsToExcel(dataWithRequirements, excelFileName, {
        category: 'BOLT',
        filename: excelFileName,
        uploadDate: new Date().toLocaleDateString()
      });
      alert('엑셀 파일은 다운로드되었지만 구매신청 생성에 실패했습니다.');
    }

    // 선택 해제
    setSelectedMaterials(new Set());
  };

  const filteredMaterials = getFilteredAndSortedMaterials();

  return (
    <div style={{ padding: '32px' }}>
      {/* 헤더 */}
      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '24px' }}>
        <div>
          <h3 style={{ 
            fontSize: '24px', 
            fontWeight: '700', 
            color: '#0f172a', 
            margin: '0 0 8px 0' 
          }}>
            Bolt Materials
          </h3>
          <p style={{ 
            fontSize: '14px', 
            color: '#64748b', 
            margin: 0 
          }}>
            {filteredMaterials.length} items • {selectedMaterials.size} selected
          </p>
        </div>
        
        <div style={{ display: 'flex', gap: '12px' }}>
          <button
            onClick={handleSelectAll}
            style={{
              background: 'white',
              color: '#6b7280',
              border: '1px solid #d1d5db',
              borderRadius: '8px',
              padding: '10px 16px',
              cursor: 'pointer',
              fontSize: '14px',
              fontWeight: '500'
            }}
          >
            {selectedMaterials.size === filteredMaterials.length ? 'Deselect All' : 'Select All'}
          </button>
          
          <button
            onClick={handleExportToExcel}
            disabled={selectedMaterials.size === 0}
            style={{
              background: selectedMaterials.size > 0 ? 'linear-gradient(135deg, #6b7280 0%, #4b5563 100%)' : '#e5e7eb',
              color: selectedMaterials.size > 0 ? 'white' : '#9ca3af',
              border: 'none',
              borderRadius: '8px',
              padding: '10px 16px',
              cursor: selectedMaterials.size > 0 ? 'pointer' : 'not-allowed',
              fontSize: '14px',
              fontWeight: '500'
            }}
          >
            Export to Excel ({selectedMaterials.size})
          </button>
        </div>
      </div>

      {/* 테이블 */}
      <div style={{ 
        background: 'white', 
        borderRadius: '12px', 
        overflow: 'auto',
        maxHeight: '600px',
        boxShadow: '0 1px 3px rgba(0, 0, 0, 0.1)'
      }}>
        <div style={{ minWidth: '1500px' }}>
          {/* 헤더 */}
          <div style={{
            display: 'grid',
            gridTemplateColumns: '50px 200px 120px 100px 120px 150px 180px 200px 200px',
            gap: '16px',
            padding: '16px',
            background: '#f8fafc',
            borderBottom: '1px solid #e2e8f0',
            fontSize: '14px',
            fontWeight: '600',
            color: '#374151',
            textAlign: 'center'
          }}>
          <div>
            <input
              type="checkbox"
              checked={(() => {
                const selectableMaterials = filteredMaterials.filter(m => !purchasedMaterials.has(m.id));
                return selectedMaterials.size === selectableMaterials.length && selectableMaterials.length > 0;
              })()}
              onChange={handleSelectAll}
              style={{ cursor: 'pointer' }}
            />
          </div>
          <FilterableHeader 
            sortKey="subtype" 
            filterKey="subtype"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Type
          </FilterableHeader>
          <FilterableHeader 
            sortKey="size" 
            filterKey="size"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Size
          </FilterableHeader>
          <FilterableHeader 
            sortKey="pressure" 
            filterKey="pressure"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Pressure
          </FilterableHeader>
          <FilterableHeader 
            sortKey="schedule" 
            filterKey="schedule"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Length
          </FilterableHeader>
          <FilterableHeader 
            sortKey="grade" 
            filterKey="grade"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Material Grade
          </FilterableHeader>
          <div>User Requirements</div>
          <div>Additional Request</div>
          <FilterableHeader 
            sortKey="purchaseQuantity" 
            filterKey="purchaseQuantity"
            sortConfig={sortConfig}
            onSort={handleSort}
            columnFilters={columnFilters}
            onFilterChange={setColumnFilters}
            showFilterDropdown={showFilterDropdown}
            setShowFilterDropdown={setShowFilterDropdown}
          >
            Purchase Quantity
          </FilterableHeader>
          </div>

          {/* 데이터 행들 */}
          {filteredMaterials.map((material, index) => {
            const info = parseBoltInfo(material);
            const isSelected = selectedMaterials.has(material.id);
            const isPurchased = purchasedMaterials.has(material.id);
            
            return (
              <div
                key={material.id}
                style={{
                  display: 'grid',
                  gridTemplateColumns: '50px 200px 120px 100px 120px 150px 180px 200px 200px',
                  gap: '16px',
                  padding: '16px',
                  borderBottom: index < filteredMaterials.length - 1 ? '1px solid #f1f5f9' : 'none',
                  background: isSelected ? '#eff6ff' : (isPurchased ? '#fef3c7' : 'white'),
                  transition: 'background 0.15s ease'
                }}
                onMouseEnter={(e) => {
                  if (!isSelected && !isPurchased) {
                    e.target.style.background = '#f8fafc';
                  }
                }}
                onMouseLeave={(e) => {
                  if (!isSelected && !isPurchased) {
                    e.target.style.background = 'white';
                  }
                }}
              >
                <div>
                  <input
                    type="checkbox"
                    checked={isSelected}
                    onChange={() => handleMaterialSelect(material.id)}
                    disabled={isPurchased}
                    style={{ 
                      cursor: isPurchased ? 'not-allowed' : 'pointer',
                      opacity: isPurchased ? 0.5 : 1
                    }}
                  />
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', fontWeight: '500' }}>
                  {info.subtype}
                  {isPurchased && (
                    <span style={{
                      marginLeft: '8px',
                      padding: '2px 6px',
                      background: '#fbbf24',
                      color: '#92400e',
                      borderRadius: '4px',
                      fontSize: '10px',
                      fontWeight: '500'
                    }}>
                      PURCHASED
                    </span>
                  )}
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', textAlign: 'center' }}>
                  {info.size}
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', textAlign: 'center' }}>
                  {info.pressure}
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', textAlign: 'center' }}>
                  {info.schedule}
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', textAlign: 'center' }}>
                  {info.grade}
                </div>
                <div style={{ 
                  fontSize: '14px', 
                  color: '#1f2937', 
                  textAlign: 'center'
                }}>
                  {info.userRequirements}
                </div>
                <div style={{ display: 'flex', gap: '4px', alignItems: 'center' }}>
                  {!editingRequest[material.id] && savedRequests[material.id] ? (
                    // 저장된 상태 - 요구사항 표시 + 수정 버튼
                    <>
                      <div style={{
                        flex: 1,
                        padding: '6px 8px',
                        border: '1px solid #e5e7eb',
                        borderRadius: '4px',
                        fontSize: '12px',
                        textAlign: 'center',
                        background: '#f9fafb',
                        color: '#374151'
                      }}>
                        {savedRequests[material.id]}
                      </div>
                      <button
                        onClick={() => handleEditRequest(material.id, savedRequests[material.id])}
                        disabled={isPurchased}
                        style={{
                          padding: '6px 8px',
                          border: 'none',
                          borderRadius: '4px',
                          background: isPurchased ? '#d1d5db' : '#f59e0b',
                          color: 'white',
                          fontSize: '10px',
                          cursor: isPurchased ? 'not-allowed' : 'pointer',
                          opacity: isPurchased ? 0.5 : 1,
                          minWidth: '40px'
                        }}
                      >
                        Edit
                      </button>
                    </>
                  ) : (
                    // 편집 상태 - 입력 필드 + 저장 버튼
                    <>
                      <input
                        type="text"
                        value={userRequirements[material.id] || ''}
                        onChange={(e) => setUserRequirements({
                          ...userRequirements,
                          [material.id]: e.target.value
                        })}
                        placeholder="Enter additional request..."
                        disabled={isPurchased}
                        style={{
                          flex: 1,
                          padding: '6px 8px',
                          border: '1px solid #d1d5db',
                          borderRadius: '4px',
                          fontSize: '12px',
                          opacity: isPurchased ? 0.5 : 1,
                          cursor: isPurchased ? 'not-allowed' : 'text'
                        }}
                      />
                      <button
                        onClick={() => handleSaveRequest(material.id, userRequirements[material.id] || '')}
                        disabled={isPurchased || savingRequest[material.id]}
                        style={{
                          padding: '6px 8px',
                          border: 'none',
                          borderRadius: '4px',
                          background: isPurchased ? '#d1d5db' : '#10b981',
                          color: 'white',
                          fontSize: '10px',
                          cursor: isPurchased || savingRequest[material.id] ? 'not-allowed' : 'pointer',
                          opacity: isPurchased ? 0.5 : 1,
                          minWidth: '40px'
                        }}
                      >
                        {savingRequest[material.id] ? '...' : 'Save'}
                      </button>
                    </>
                  )}
                </div>
                <div style={{ fontSize: '14px', color: '#1f2937', textAlign: 'center' }}>
                  {info.purchaseQuantity}
                </div>
              </div>
            );
          })}
        </div>
      </div>

      {filteredMaterials.length === 0 && (
        <div style={{
          textAlign: 'center',
          padding: '60px 20px',
          color: '#64748b'
        }}>
          <div style={{ fontSize: '18px', fontWeight: '600', marginBottom: '8px' }}>
            No Bolt Materials Found
          </div>
          <div style={{ fontSize: '14px' }}>
            {Object.keys(columnFilters).some(key => columnFilters[key]) 
              ? 'Try adjusting your filters' 
              : 'No bolt materials available in this BOM'}
          </div>
        </div>
      )}
    </div>
  );
};

export default BoltMaterialsView;
