// 작업장 현황 JavaScript

let selectedCategory = null;
let workplaceData = [];
let mapRegions = []; // 작업장 영역 데이터
let canvas = null;
let ctx = null;
let canvasImage = null;

// 금일 TBM 작업자 데이터
let todayWorkers = [];

// 금일 출입 신청 데이터
let todayVisitors = [];

// ==================== 초기화 ====================

document.addEventListener('DOMContentLoaded', async () => {
  await loadCategories();

  // 이벤트 리스너
  document.getElementById('categorySelect').addEventListener('change', onCategoryChange);
  document.getElementById('refreshMapBtn').addEventListener('click', refreshMapData);

  // 기본값으로 제1공장 선택
  await selectFirstCategory();
});

// ==================== 카테고리 (공장) 로드 ====================

async function loadCategories() {
  try {
    const response = await window.apiCall('/workplaces/categories', 'GET');

    if (response && response.success) {
      const categories = response.data || [];
      const select = document.getElementById('categorySelect');

      categories.forEach(cat => {
        const option = document.createElement('option');
        option.value = cat.category_id;
        option.textContent = cat.category_name;
        option.dataset.layoutImage = cat.layout_image;
        select.appendChild(option);
      });
    }
  } catch (error) {
    console.error('카테고리 로드 오류:', error);
  }
}

/**
 * 첫 번째 카테고리 자동 선택
 */
async function selectFirstCategory() {
  const select = document.getElementById('categorySelect');
  if (select.options.length > 1) {
    // 첫 번째 옵션 선택 (인덱스 0은 "공장을 선택하세요")
    select.selectedIndex = 1;
    // 변경 이벤트 트리거
    await onCategoryChange({ target: select });
  }
}

// ==================== 공장 선택 ====================

async function onCategoryChange(e) {
  const categoryId = e.target.value;

  if (!categoryId) {
    document.getElementById('workplaceMapContainer').style.display = 'none';
    document.getElementById('mapPlaceholder').style.display = 'flex';
    return;
  }

  const selectedOption = e.target.options[e.target.selectedIndex];
  const layoutImage = selectedOption.dataset.layoutImage;

  selectedCategory = {
    category_id: categoryId,
    category_name: selectedOption.textContent,
    layout_image: layoutImage
  };

  // 지도 로드
  await loadWorkplaceMap();

  // 금일 작업 데이터 로드
  await loadTodayData();

  // 지도 렌더링
  renderMap();
}

// ==================== 작업장 지도 로드 ====================

async function loadWorkplaceMap() {
  try {
    // 작업장 데이터 로드
    const response = await window.apiCall(`/workplaces?category_id=${selectedCategory.category_id}`, 'GET');

    if (response && response.success) {
      workplaceData = response.data || [];
    }

    // 작업장 영역 데이터 로드 (map-regions API)
    const regionsResponse = await window.apiCall(`/workplaces/categories/${selectedCategory.category_id}/map-regions`, 'GET');

    if (regionsResponse && regionsResponse.success) {
      mapRegions = regionsResponse.data || [];
      console.log('[지도] 로드된 영역:', mapRegions);
    }

    // 이미지 로드
    await loadMapImage();

    // 지도 컨테이너 표시
    document.getElementById('mapPlaceholder').style.display = 'none';
    document.getElementById('workplaceMapContainer').style.display = 'block';
  } catch (error) {
    console.error('작업장 데이터 로드 오류:', error);
  }
}

async function loadMapImage() {
  return new Promise((resolve, reject) => {
    const img = new Image();

    const baseUrl = (window.API_BASE_URL || 'http://localhost:20005').replace('/api', '');
    const fullImageUrl = selectedCategory.layout_image.startsWith('http')
      ? selectedCategory.layout_image
      : `${baseUrl}${selectedCategory.layout_image}`;

    img.onload = () => {
      canvasImage = img;

      // 캔버스 초기화
      canvas = document.getElementById('workplaceMapCanvas');
      canvas.width = img.width;
      canvas.height = img.height;
      ctx = canvas.getContext('2d');

      // 클릭 이벤트
      canvas.addEventListener('click', onMapClick);

      resolve();
    };

    img.onerror = () => {
      console.error('이미지 로드 실패:', fullImageUrl);
      reject();
    };

    img.src = fullImageUrl;
  });
}

// ==================== 금일 데이터 로드 ====================

async function loadTodayData() {
  // 로컬 시간대 기준으로 오늘 날짜 구하기 (UTC가 아닌 한국 시간 기준)
  const now = new Date();
  const year = now.getFullYear();
  const month = String(now.getMonth() + 1).padStart(2, '0');
  const day = String(now.getDate()).padStart(2, '0');
  const today = `${year}-${month}-${day}`;

  console.log('[대시보드] 조회 날짜 (로컬):', today);

  // TBM 작업자 데이터 로드
  await loadTodayWorkers(today);

  // 출입 신청 데이터 로드
  await loadTodayVisitors(today);
}

async function loadTodayWorkers(date) {
  try {
    const response = await window.apiCall(`/tbm/sessions/date/${date}`, 'GET');

    if (response && response.success) {
      const sessions = response.data || [];
      todayWorkers = [];

      // 각 세션의 작업 정보 추가
      sessions.forEach(session => {
        if (session.workplace_id) {
          const memberCount = session.team_member_count || 0;
          const leaderCount = session.leader_id ? 1 : 0;
          const totalCount = memberCount + leaderCount;

          todayWorkers.push({
            workplace_id: session.workplace_id,
            task_name: session.task_name || '작업',
            work_location: session.work_location || '',
            member_count: totalCount,
            project_name: session.project_name || ''
          });

          console.log(`[TBM] 작업 추가: ${session.work_location || session.workplace_id} - ${session.task_name} (${totalCount}명)`);
        }
      });

      console.log('로드된 작업자:', todayWorkers);
    }
  } catch (error) {
    console.error('TBM 작업자 데이터 로드 오류:', error);
  }
}

async function loadTodayVisitors(date) {
  try {
    // 날짜 형식 확인 (YYYY-MM-DD)
    const formattedDate = date.split('T')[0];

    const response = await window.apiCall(`/workplace-visits/requests`, 'GET');

    if (response && response.success) {
      const requests = response.data || [];

      // 금일 날짜와 승인된 요청 필터링
      todayVisitors = requests.filter(req => {
        // UTC 변환 없이 로컬 날짜로 비교
        const visitDateObj = new Date(req.visit_date);
        const visitYear = visitDateObj.getFullYear();
        const visitMonth = String(visitDateObj.getMonth() + 1).padStart(2, '0');
        const visitDay = String(visitDateObj.getDate()).padStart(2, '0');
        const visitDate = `${visitYear}-${visitMonth}-${visitDay}`;

        return visitDate === formattedDate &&
               (req.status === 'approved' || req.status === 'training_completed');
      }).map(req => ({
        workplace_id: req.workplace_id,
        visitor_company: req.visitor_company,
        visitor_count: req.visitor_count,
        visit_time: req.visit_time,
        purpose_name: req.purpose_name,
        status: req.status
      }));

      console.log('로드된 방문자:', todayVisitors);
    }
  } catch (error) {
    console.error('출입 신청 데이터 로드 오류:', error);
  }
}

// ==================== 지도 렌더링 ====================

function renderMap() {
  if (!canvas || !ctx || !canvasImage) return;

  // 이미지 그리기
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  ctx.drawImage(canvasImage, 0, 0);

  // 모든 작업장 영역 표시
  mapRegions.forEach(region => {
    // 해당 작업장의 작업자/방문자 인원 계산
    const workers = todayWorkers.filter(w => w.workplace_id === region.workplace_id);
    const visitors = todayVisitors.filter(v => v.workplace_id === region.workplace_id);

    const totalWorkerCount = workers.reduce((sum, w) => sum + (w.member_count || 0), 0);
    const totalVisitorCount = visitors.reduce((sum, v) => sum + (v.visitor_count || 0), 0);

    // 영역 그리기
    drawWorkplaceRegion(region, totalWorkerCount, totalVisitorCount);
  });
}

function drawWorkplaceRegion(region, workerCount, visitorCount) {
  // 사각형 좌표 변환
  const x1 = (region.x_start / 100) * canvas.width;
  const y1 = (region.y_start / 100) * canvas.height;
  const x2 = (region.x_end / 100) * canvas.width;
  const y2 = (region.y_end / 100) * canvas.height;

  const width = x2 - x1;
  const height = y2 - y1;
  const centerX = x1 + width / 2;
  const centerY = y1 + height / 2;

  // 색상 결정
  let fillColor, strokeColor;
  const hasActivity = workerCount > 0 || visitorCount > 0;

  if (workerCount > 0 && visitorCount > 0) {
    // 둘 다 있음 - 초록색
    fillColor = 'rgba(34, 197, 94, 0.3)';
    strokeColor = 'rgb(34, 197, 94)';
  } else if (workerCount > 0) {
    // 내부 작업자만 - 파란색
    fillColor = 'rgba(59, 130, 246, 0.3)';
    strokeColor = 'rgb(59, 130, 246)';
  } else if (visitorCount > 0) {
    // 외부 방문자만 - 보라색
    fillColor = 'rgba(168, 85, 247, 0.3)';
    strokeColor = 'rgb(168, 85, 247)';
  } else {
    // 인원 없음 - 회색 테두리만
    fillColor = 'rgba(0, 0, 0, 0)'; // 투명
    strokeColor = 'rgb(156, 163, 175)'; // 회색
  }

  // 사각형 그리기
  ctx.save();
  ctx.fillStyle = fillColor;
  ctx.fillRect(x1, y1, width, height);
  ctx.strokeStyle = strokeColor;
  ctx.lineWidth = hasActivity ? 3 : 2;
  ctx.strokeRect(x1, y1, width, height);
  ctx.restore();

  // 인원수 표시 (인원이 있을 때만)
  if (hasActivity) {
    ctx.save();
    ctx.font = 'bold 16px sans-serif';
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';

    // 배경 원
    ctx.beginPath();
    ctx.arc(centerX, centerY, 20, 0, Math.PI * 2);
    ctx.fillStyle = 'white';
    ctx.fill();
    ctx.strokeStyle = strokeColor;
    ctx.lineWidth = 2;
    ctx.stroke();

    // 텍스트
    const totalCount = workerCount + visitorCount;
    ctx.fillStyle = strokeColor;
    ctx.fillText(totalCount.toString(), centerX, centerY);
    ctx.restore();
  } else {
    // 인원이 없을 때는 작업장 이름만 표시
    ctx.save();
    ctx.font = '12px sans-serif';
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';
    ctx.fillStyle = 'rgb(107, 114, 128)';
    ctx.fillText(region.workplace_name, centerX, centerY);
    ctx.restore();
  }
}

// ==================== 지도 클릭 ====================

function onMapClick(e) {
  const rect = canvas.getBoundingClientRect();
  const x = (e.clientX - rect.left) / rect.width * canvas.width;
  const y = (e.clientY - rect.top) / rect.height * canvas.height;

  // 클릭한 위치의 작업장 영역 찾기
  for (const region of mapRegions) {
    if (isPointInRegion(x, y, region)) {
      // 작업장 정보를 찾아서 모달 표시
      const workplace = workplaceData.find(w => w.workplace_id === region.workplace_id);
      if (workplace) {
        showWorkplaceDetail({ ...workplace, ...region });
      } else {
        // 작업장 정보가 없으면 region 데이터만 사용
        showWorkplaceDetail(region);
      }
      break;
    }
  }
}

function isPointInRegion(x, y, region) {
  // 사각형 영역 내부 체크
  const x1 = (region.x_start / 100) * canvas.width;
  const y1 = (region.y_start / 100) * canvas.height;
  const x2 = (region.x_end / 100) * canvas.width;
  const y2 = (region.y_end / 100) * canvas.height;

  return x >= x1 && x <= x2 && y >= y1 && y <= y2;
}

// ==================== 작업장 상세 정보 모달 ====================

// 현재 선택된 작업장 정보 (모달용)
let currentModalWorkplace = null;

function showWorkplaceDetail(workplace) {
  currentModalWorkplace = workplace;
  const workers = todayWorkers.filter(w => w.workplace_id === workplace.workplace_id);
  const visitors = todayVisitors.filter(v => v.workplace_id === workplace.workplace_id);

  // 모달 제목
  document.getElementById('modalWorkplaceName').textContent = workplace.workplace_name;
  document.getElementById('modalWorkplaceDesc').textContent = `${selectedCategory.category_name} • ${workplace.description || ''}`;

  // 요약 카드 업데이트
  const totalWorkers = workers.reduce((sum, w) => sum + (w.member_count || 0), 0);
  const totalVisitors = visitors.reduce((sum, v) => sum + (v.visitor_count || 0), 0);

  document.getElementById('summaryWorkerCount').textContent = totalWorkers;
  document.getElementById('summaryVisitorCount').textContent = totalVisitors;
  document.getElementById('summaryTaskCount').textContent = workers.length;

  // 배지 업데이트
  document.getElementById('workerCountBadge').textContent = totalWorkers;
  document.getElementById('visitorCountBadge').textContent = totalVisitors;

  // 현황 개요 탭 - 현재 작업 목록
  renderCurrentTasks(workers);

  // 현황 개요 탭 - 설비 현황
  loadEquipmentStatus(workplace.workplace_id);

  // 작업자 탭
  renderWorkersTab(workers);

  // 방문자 탭
  renderVisitorsTab(visitors);

  // 상세 지도 초기화
  initDetailMap(workplace);

  // 첫 번째 탭 활성화
  switchWorkplaceTab('overview');

  // 모달 표시
  document.getElementById('workplaceDetailModal').style.display = 'flex';
}

// 현재 작업 목록 렌더링
function renderCurrentTasks(workers) {
  const container = document.getElementById('currentTasksList');

  if (workers.length === 0) {
    container.innerHTML = '<p class="empty-message">현재 진행 중인 작업이 없습니다.</p>';
    return;
  }

  let html = '';
  workers.forEach(worker => {
    html += `
      <div class="current-task-item">
        <div class="task-info">
          <p class="task-name">${worker.task_name}</p>
          <p class="task-detail">
            ${worker.work_location ? `📍 ${worker.work_location}` : ''}
            ${worker.project_name ? ` • 📁 ${worker.project_name}` : ''}
          </p>
        </div>
        <div class="task-badge">
          <span>👷</span>
          <span>${worker.member_count}명</span>
        </div>
      </div>
    `;
  });

  container.innerHTML = html;
}

// 설비 현황 로드
async function loadEquipmentStatus(workplaceId) {
  const container = document.getElementById('equipmentSummary');

  try {
    const response = await window.apiCall(`/equipments?workplace_id=${workplaceId}`, 'GET');

    if (response && response.success && response.data && response.data.length > 0) {
      const equipments = response.data;
      let html = '';

      // 최대 4개만 표시
      equipments.slice(0, 4).forEach(eq => {
        const statusClass = eq.status === 'active' ? 'normal' :
                           eq.status === 'maintenance' ? 'warning' : 'error';
        const statusText = eq.status === 'active' ? '정상' :
                          eq.status === 'maintenance' ? '점검중' : '수리필요';

        html += `
          <div class="equipment-item">
            <span class="equipment-icon">⚙️</span>
            <div class="equipment-info">
              <p class="equipment-name">${eq.equipment_name}</p>
              <p class="equipment-status ${statusClass}">${statusText}</p>
            </div>
          </div>
        `;
      });

      if (equipments.length > 4) {
        html += `<div class="equipment-item" style="justify-content: center; color: #6b7280; font-size: 0.85rem;">+${equipments.length - 4}개 더...</div>`;
      }

      container.innerHTML = html;
    } else {
      container.innerHTML = '<p class="empty-message">등록된 설비가 없습니다.</p>';
    }
  } catch (error) {
    console.error('설비 현황 로드 오류:', error);
    container.innerHTML = '<p class="empty-message">설비 정보를 불러올 수 없습니다.</p>';
  }
}

// 작업자 탭 렌더링
function renderWorkersTab(workers) {
  const container = document.getElementById('internalWorkersList');

  if (workers.length === 0) {
    container.innerHTML = '<p class="empty-message">금일 작업 예정 인원이 없습니다.</p>';
    return;
  }

  let html = '';
  workers.forEach(worker => {
    html += `
      <div class="worker-item">
        <div class="worker-item-header">
          <p class="worker-item-title">${worker.task_name}</p>
          <span class="worker-item-badge">${worker.member_count}명</span>
        </div>
        ${worker.work_location ? `<p class="worker-item-detail">📍 ${worker.work_location}</p>` : ''}
        ${worker.project_name ? `<p class="worker-item-detail">📁 ${worker.project_name}</p>` : ''}
      </div>
    `;
  });

  container.innerHTML = html;
}

// 방문자 탭 렌더링
function renderVisitorsTab(visitors) {
  const container = document.getElementById('externalVisitorsList');

  if (visitors.length === 0) {
    container.innerHTML = '<p class="empty-message">금일 방문 예정 인원이 없습니다.</p>';
    return;
  }

  let html = '';
  visitors.forEach(visitor => {
    const statusText = visitor.status === 'training_completed' ? '교육 완료' : '승인됨';

    html += `
      <div class="visitor-item">
        <div class="visitor-item-header">
          <p class="visitor-item-title">${visitor.visitor_company}</p>
          <span class="visitor-item-badge">${visitor.visitor_count}명 • ${statusText}</span>
        </div>
        <p class="visitor-item-detail">⏰ ${visitor.visit_time}</p>
        <p class="visitor-item-detail">📋 ${visitor.purpose_name}</p>
      </div>
    `;
  });

  container.innerHTML = html;
}

// 상세 지도 초기화
async function initDetailMap(workplace) {
  const container = document.getElementById('detailMapContainer');
  const legendContainer = document.getElementById('detailMapLegend');

  // 작업장에 레이아웃 이미지가 있는지 확인
  if (workplace.layout_image) {
    const baseUrl = (window.API_BASE_URL || 'http://localhost:20005').replace('/api', '');
    const imageUrl = workplace.layout_image.startsWith('http')
      ? workplace.layout_image
      : `${baseUrl}${workplace.layout_image}`;

    // 이미지를 먼저 로드하여 비율 계산
    const img = new Image();
    img.onload = async () => {
      // 이미지 래퍼를 생성하여 이미지와 마커가 같은 영역을 공유하도록 함
      container.innerHTML = `
        <div id="mapImageWrapper" class="map-image-wrapper">
          <img src="${imageUrl}" alt="${workplace.workplace_name} 상세 지도" />
          <div id="equipmentMarkersLayer" class="equipment-markers-layer"></div>
        </div>
        <div id="mapErrorPlaceholder" class="detail-map-placeholder" style="display: none;">
          <span class="placeholder-icon">🗺️</span>
          <p>지도 이미지를 불러올 수 없습니다.</p>
        </div>
      `;

      // 설비 마커 로드
      await loadEquipmentMarkers(workplace.workplace_id);
    };

    img.onerror = () => {
      container.innerHTML = `
        <div class="detail-map-placeholder">
          <span class="placeholder-icon">🗺️</span>
          <p>지도 이미지를 불러올 수 없습니다.</p>
        </div>
      `;
    };

    img.src = imageUrl;

    // 범례 표시
    legendContainer.innerHTML = `
      <div class="map-legend-item">
        <div class="legend-color" style="background: rgba(34, 197, 94, 0.5); border-color: #22c55e;"></div>
        <span>정상 가동</span>
      </div>
      <div class="map-legend-item">
        <div class="legend-color" style="background: rgba(245, 158, 11, 0.5); border-color: #f59e0b;"></div>
        <span>점검 중</span>
      </div>
      <div class="map-legend-item">
        <div class="legend-color" style="background: rgba(239, 68, 68, 0.5); border-color: #ef4444;"></div>
        <span>수리 필요</span>
      </div>
      <div class="map-legend-item">
        <div class="legend-color" style="background: rgba(156, 163, 175, 0.5); border-color: #9ca3af;"></div>
        <span>비활성</span>
      </div>
    `;
  } else {
    container.innerHTML = `
      <div class="detail-map-placeholder">
        <span class="placeholder-icon">🗺️</span>
        <p>상세 지도가 등록되지 않았습니다.</p>
        <p style="font-size: 0.8rem; margin-top: 8px;">작업장 관리에서 레이아웃 이미지를 등록해주세요.</p>
      </div>
    `;
    legendContainer.innerHTML = '';
  }
}

// 설비 마커 로드 및 표시
async function loadEquipmentMarkers(workplaceId) {
  const markersLayer = document.getElementById('equipmentMarkersLayer');
  if (!markersLayer) return;

  try {
    const response = await window.apiCall(`/equipments?workplace_id=${workplaceId}`, 'GET');

    if (response && response.success && response.data && response.data.length > 0) {
      const equipments = response.data;
      let markersHtml = '';

      equipments.forEach(eq => {
        // 위치 정보가 있는 설비만 마커 표시
        if (eq.map_x_percent != null && eq.map_y_percent != null) {
          const statusClass = eq.status === 'active' ? 'active' :
                             eq.status === 'maintenance' ? 'maintenance' :
                             eq.status === 'repair_needed' ? 'repair' : 'inactive';

          // 마커 크기 (기본값 또는 설정된 값)
          const width = eq.map_width_percent || 8;
          const height = eq.map_height_percent || 6;

          // 표시 이름: [코드] 이름
          const displayName = `[${eq.equipment_code}] ${eq.equipment_name}`;

          markersHtml += `
            <div class="equipment-marker ${statusClass}"
                 style="left: ${eq.map_x_percent}%; top: ${eq.map_y_percent}%;
                        width: ${width}%; height: ${height}%;"
                 title="${displayName}"
                 onclick="openEquipmentPanel(${JSON.stringify(eq).replace(/"/g, '&quot;')})">
              <span class="marker-label">${displayName}</span>
            </div>
          `;
        }
      });

      if (markersHtml) {
        markersLayer.innerHTML = markersHtml;
      } else {
        markersLayer.innerHTML = '<div class="no-markers-message">위치가 등록된 설비가 없습니다.</div>';
      }
    } else {
      markersLayer.innerHTML = '<div class="no-markers-message">등록된 설비가 없습니다.</div>';
    }
  } catch (error) {
    console.error('설비 마커 로드 오류:', error);
    markersLayer.innerHTML = '<div class="no-markers-message">설비 정보를 불러올 수 없습니다.</div>';
  }
}

// 설비 툴팁 표시
function showEquipmentTooltip(event, equipment) {
  event.stopPropagation();

  // 기존 툴팁 제거
  const existingTooltip = document.querySelector('.equipment-tooltip');
  if (existingTooltip) {
    existingTooltip.remove();
  }

  const statusText = equipment.status === 'active' ? '정상 가동' :
                    equipment.status === 'maintenance' ? '점검 중' :
                    equipment.status === 'repair_needed' ? '수리 필요' : '비활성';

  const statusClass = equipment.status === 'active' ? 'active' :
                     equipment.status === 'maintenance' ? 'maintenance' :
                     equipment.status === 'repair_needed' ? 'repair' : 'inactive';

  const tooltip = document.createElement('div');
  tooltip.className = 'equipment-tooltip';
  tooltip.innerHTML = `
    <div class="tooltip-header">
      <strong>${equipment.equipment_name}</strong>
      <span class="tooltip-status ${statusClass}">${statusText}</span>
    </div>
    <div class="tooltip-body">
      <p><span class="label">코드:</span> ${equipment.equipment_code}</p>
      ${equipment.equipment_type ? `<p><span class="label">유형:</span> ${equipment.equipment_type}</p>` : ''}
      ${equipment.model_name ? `<p><span class="label">모델:</span> ${equipment.model_name}</p>` : ''}
      ${equipment.manufacturer ? `<p><span class="label">제조사:</span> ${equipment.manufacturer}</p>` : ''}
    </div>
    <div class="tooltip-actions">
      <button class="tooltip-detail-btn" onclick="this.closest('.equipment-tooltip').remove(); openEquipmentPanel(${JSON.stringify(equipment).replace(/"/g, '&quot;')})">상세보기</button>
    </div>
    <button class="tooltip-close" onclick="this.parentElement.remove()">×</button>
  `;

  // 툴팁 위치 설정
  const container = document.getElementById('detailMapContainer');
  const rect = container.getBoundingClientRect();
  tooltip.style.left = `${event.clientX - rect.left + 10}px`;
  tooltip.style.top = `${event.clientY - rect.top + 10}px`;

  container.appendChild(tooltip);

  // 외부 클릭 시 툴팁 닫기
  setTimeout(() => {
    document.addEventListener('click', function closeTooltip(e) {
      if (!tooltip.contains(e.target)) {
        tooltip.remove();
        document.removeEventListener('click', closeTooltip);
      }
    });
  }, 100);
}

// 탭 전환
function switchWorkplaceTab(tabName) {
  // 모든 탭 비활성화
  document.querySelectorAll('.workplace-tab').forEach(tab => {
    tab.classList.remove('active');
  });
  document.querySelectorAll('.workplace-tab-content').forEach(content => {
    content.classList.remove('active');
  });

  // 선택한 탭 활성화
  document.querySelector(`.workplace-tab[data-tab="${tabName}"]`).classList.add('active');
  document.getElementById(`tab-${tabName}`).classList.add('active');
}

// 순회점검 페이지로 이동
function openPatrolPage() {
  closeWorkplaceModal();
  window.location.href = `/pages/inspection/daily-patrol.html?category=${selectedCategory.category_id}`;
}

function closeWorkplaceModal() {
  document.getElementById('workplaceDetailModal').style.display = 'none';
  currentModalWorkplace = null;
}

// ==================== 새로고침 ====================

async function refreshMapData() {
  if (!selectedCategory) return;

  await loadTodayData();
  renderMap();
}

// 전역 함수로 노출
window.closeWorkplaceModal = closeWorkplaceModal;
window.switchWorkplaceTab = switchWorkplaceTab;
window.openPatrolPage = openPatrolPage;
window.showEquipmentTooltip = showEquipmentTooltip;

// ==========================================
// 설비 상세 슬라이드 패널
// ==========================================

let currentPanelEquipment = null;
let panelFactories = [];
let panelWorkplaces = [];
let panelMovePosition = null;
let panelRepairCategories = [];
let panelRepairPhotoBases = [];

const STATUS_LABELS = {
  active: '정상 가동',
  maintenance: '점검 중',
  repair_needed: '수리 필요',
  inactive: '비활성',
  external: '외부 반출',
  repair_external: '수리 외주'
};

// 패널 열기
async function openEquipmentPanel(equipment) {
  currentPanelEquipment = equipment;

  // 패널 헤더 설정
  document.getElementById('panelEquipmentTitle').textContent =
    `[${equipment.equipment_code}] ${equipment.equipment_name}`;

  const statusEl = document.getElementById('panelEquipmentStatus');
  statusEl.textContent = STATUS_LABELS[equipment.status] || equipment.status;
  statusEl.className = `slide-panel-status ${equipment.status}`;

  // 기본 정보 렌더링
  renderPanelInfo(equipment);

  // 패널 열기
  document.getElementById('equipmentSlidePanel').classList.add('open');

  // 데이터 로드
  await Promise.all([
    loadPanelPhotos(),
    loadPanelRepairHistory(),
    loadPanelExternalLogs(),
    loadPanelFactories(),
    loadPanelRepairCategories()
  ]);
}

// 패널 닫기
function closeEquipmentPanel() {
  document.getElementById('equipmentSlidePanel').classList.remove('open');
  currentPanelEquipment = null;
}

// 기본 정보 렌더링
function renderPanelInfo(eq) {
  document.getElementById('panelEquipmentInfo').innerHTML = `
    <div class="panel-info-item">
      <span class="label">모델명</span>
      <span class="value">${eq.model_name || '-'}</span>
    </div>
    <div class="panel-info-item">
      <span class="label">규격</span>
      <span class="value">${eq.specifications || '-'}</span>
    </div>
    <div class="panel-info-item">
      <span class="label">제조사</span>
      <span class="value">${eq.manufacturer || '-'}</span>
    </div>
    <div class="panel-info-item">
      <span class="label">구입처</span>
      <span class="value">${eq.supplier || '-'}</span>
    </div>
    <div class="panel-info-item">
      <span class="label">설비유형</span>
      <span class="value">${eq.equipment_type || '-'}</span>
    </div>
    <div class="panel-info-item">
      <span class="label">구입일</span>
      <span class="value">${eq.installation_date ? formatPanelDate(eq.installation_date) : '-'}</span>
    </div>
  `;
}

// 사진 로드
async function loadPanelPhotos() {
  if (!currentPanelEquipment) return;

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/photos`, 'GET');
    if (response && response.success) {
      renderPanelPhotos(response.data);
    }
  } catch (error) {
    console.error('사진 로드 실패:', error);
    document.getElementById('panelPhotoGrid').innerHTML =
      '<div class="panel-empty">사진을 불러올 수 없습니다</div>';
  }
}

function renderPanelPhotos(photos) {
  const grid = document.getElementById('panelPhotoGrid');

  if (!photos || photos.length === 0) {
    grid.innerHTML = '<div class="panel-empty">등록된 사진이 없습니다</div>';
    return;
  }

  grid.innerHTML = photos.map(photo => `
    <div class="panel-photo-item" onclick="viewPanelPhoto('${window.API_BASE_URL}${photo.photo_path}')">
      <img src="${window.API_BASE_URL}${photo.photo_path}" alt="">
      <button class="delete-btn" onclick="event.stopPropagation(); deletePanelPhoto(${photo.photo_id})">&times;</button>
    </div>
  `).join('');
}

// 사진 확대 보기
function viewPanelPhoto(url) {
  // 간단한 이미지 뷰어
  const viewer = document.createElement('div');
  viewer.style.cssText = 'position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.9);display:flex;align-items:center;justify-content:center;z-index:3000;cursor:pointer;';
  viewer.innerHTML = `<img src="${url}" style="max-width:90%;max-height:90%;object-fit:contain;">`;
  viewer.onclick = () => viewer.remove();
  document.body.appendChild(viewer);
}

// 사진 업로드 모달
function openPanelPhotoUpload() {
  document.getElementById('panelPhotoInput').value = '';
  document.getElementById('panelPhotoDesc').value = '';
  document.getElementById('panelPhotoPreview').innerHTML = '';
  document.getElementById('panelPhotoModal').style.display = 'flex';
}

function closePanelPhotoModal() {
  document.getElementById('panelPhotoModal').style.display = 'none';
}

function previewPanelPhoto(event) {
  const file = event.target.files[0];
  if (file) {
    const reader = new FileReader();
    reader.onload = e => {
      document.getElementById('panelPhotoPreview').innerHTML =
        `<img src="${e.target.result}">`;
    };
    reader.readAsDataURL(file);
  }
}

async function uploadPanelPhoto() {
  const fileInput = document.getElementById('panelPhotoInput');
  const description = document.getElementById('panelPhotoDesc').value;

  if (!fileInput.files[0]) {
    alert('사진을 선택하세요.');
    return;
  }

  const reader = new FileReader();
  reader.onload = async e => {
    try {
      const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/photos`, 'POST', {
        photo_base64: e.target.result,
        description: description
      });

      if (response && response.success) {
        closePanelPhotoModal();
        loadPanelPhotos();
      }
    } catch (error) {
      console.error('업로드 실패:', error);
      alert('사진 업로드에 실패했습니다.');
    }
  };
  reader.readAsDataURL(fileInput.files[0]);
}

async function deletePanelPhoto(photoId) {
  if (!confirm('이 사진을 삭제하시겠습니까?')) return;

  try {
    await window.apiCall(`/equipments/photos/${photoId}`, 'DELETE');
    loadPanelPhotos();
  } catch (error) {
    console.error('삭제 실패:', error);
    alert('삭제에 실패했습니다.');
  }
}

// 수리 이력 로드
async function loadPanelRepairHistory() {
  if (!currentPanelEquipment) return;

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/repair-history`, 'GET');
    if (response && response.success) {
      renderPanelRepairHistory(response.data);
    }
  } catch (error) {
    console.error('수리 이력 로드 실패:', error);
  }
}

function renderPanelRepairHistory(history) {
  const container = document.getElementById('panelRepairHistory');

  if (!history || history.length === 0) {
    container.innerHTML = '<div class="panel-empty">수리 이력이 없습니다</div>';
    return;
  }

  container.innerHTML = history.slice(0, 5).map(h => {
    const statusLabels = {
      reported: '신고됨', received: '접수', in_progress: '처리중', completed: '완료', closed: '종료'
    };
    const statusLabel = statusLabels[h.status] || h.status;
    const statusClass = (h.status === 'completed' || h.status === 'closed') ? 'completed' : 'pending';

    return `
      <div class="panel-history-item">
        <span class="panel-history-date">${formatPanelDate(h.created_at)}</span>
        <div class="panel-history-content">
          <div class="panel-history-title">${h.item_name || '수리 요청'}</div>
          <div class="panel-history-detail">${truncateText(h.description, 30)}</div>
        </div>
        <span class="panel-history-badge ${statusClass}">${statusLabel}</span>
      </div>
    `;
  }).join('');
}

// 외부반출 이력 로드
async function loadPanelExternalLogs() {
  if (!currentPanelEquipment) return;

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/external-logs`, 'GET');
    if (response && response.success) {
      renderPanelExternalLogs(response.data);
    }
  } catch (error) {
    console.error('외부반출 이력 로드 실패:', error);
  }
}

function renderPanelExternalLogs(logs) {
  const container = document.getElementById('panelExternalHistory');

  if (!logs || logs.length === 0) {
    container.innerHTML = '<div class="panel-empty">외부반출 이력이 없습니다</div>';
    return;
  }

  container.innerHTML = logs.slice(0, 5).map(log => {
    const isReturned = !!log.actual_return_date;
    const statusClass = isReturned ? 'returned' : 'exported';
    const statusLabel = isReturned ? '반입완료' : '반출중';

    return `
      <div class="panel-history-item">
        <span class="panel-history-date">${formatPanelDate(log.export_date)}</span>
        <div class="panel-history-content">
          <div class="panel-history-title">${log.destination || '외부'}</div>
          <div class="panel-history-detail">${truncateText(log.reason, 30)}</div>
        </div>
        ${!isReturned
          ? `<button class="panel-history-action" onclick="openPanelReturnModal(${log.log_id})">반입</button>`
          : `<span class="panel-history-badge ${statusClass}">${statusLabel}</span>`
        }
      </div>
    `;
  }).join('');
}

// 공장/작업장 로드 (이동용)
async function loadPanelFactories() {
  try {
    const response = await window.apiCall('/workplaces/categories', 'GET');
    if (response && response.success) {
      panelFactories = response.data;
    }
  } catch (error) {
    console.error('공장 목록 로드 실패:', error);
  }
}

// 수리 카테고리 로드
async function loadPanelRepairCategories() {
  try {
    const response = await window.apiCall('/equipments/repair-categories', 'GET');
    if (response && response.success) {
      panelRepairCategories = response.data;
    }
  } catch (error) {
    console.error('수리 항목 로드 실패:', error);
  }
}

// ==================== 임시이동 ====================

let selectedMoveFactory = null;
let selectedMoveWorkplace = null;

function openPanelMoveModal() {
  // 초기화
  selectedMoveFactory = null;
  selectedMoveWorkplace = null;
  panelMovePosition = null;
  document.getElementById('panelMoveReason').value = '';
  document.getElementById('panelMoveConfirmBtn').disabled = true;

  // Step 1 표시
  document.getElementById('moveStep1').style.display = 'block';
  document.getElementById('moveStep2').style.display = 'none';
  document.getElementById('moveStep3').style.display = 'none';

  // 공장 카드 렌더링
  renderMoveFactoryGrid();

  document.getElementById('panelMoveModal').style.display = 'flex';
}

function closePanelMoveModal() {
  document.getElementById('panelMoveModal').style.display = 'none';
}

function renderMoveFactoryGrid() {
  const grid = document.getElementById('moveFactoryGrid');
  const icons = ['🏭', '🏢', '🏗️', '🏛️', '⚙️'];

  grid.innerHTML = panelFactories.map((f, i) => `
    <div class="move-factory-card" data-category-id="${f.category_id}">
      <div class="factory-icon">${icons[i % icons.length]}</div>
      <div class="factory-name">${f.category_name}</div>
    </div>
  `).join('');

  // 이벤트 리스너 추가
  grid.querySelectorAll('.move-factory-card').forEach(card => {
    card.onclick = () => {
      const catId = card.dataset.categoryId;
      const factory = panelFactories.find(f => f.category_id == catId);
      if (factory) {
        selectMoveFactory(factory);
      }
    };
  });
}

let panelMapRegions = []; // 이동 모달용 지도 영역

async function selectMoveFactory(factory) {
  selectedMoveFactory = {
    category_id: factory.category_id,
    category_name: factory.category_name,
    layout_image: factory.layout_image
  };

  // 작업장 목록 + 지도 영역 로드
  try {
    const [wpResponse, regionsResponse] = await Promise.all([
      window.apiCall(`/workplaces?category_id=${factory.category_id}`, 'GET'),
      window.apiCall(`/workplaces/categories/${factory.category_id}/map-regions`, 'GET')
    ]);

    if (wpResponse && wpResponse.success) {
      panelWorkplaces = wpResponse.data;
    }
    if (regionsResponse && regionsResponse.success) {
      panelMapRegions = regionsResponse.data;
      console.log('[이동모달] 로드된 영역:', panelMapRegions);
    } else {
      console.log('[이동모달] 영역 로드 실패:', regionsResponse);
    }
  } catch (error) {
    console.error('작업장 로드 실패:', error);
    return;
  }

  // Step 2로 이동
  document.getElementById('moveStep1').style.display = 'none';
  document.getElementById('moveStep2').style.display = 'block';
  document.getElementById('moveStep2Title').textContent = `${factory.category_name} - 작업장 선택`;

  // 레이아웃 지도 렌더링
  renderMoveLayoutMap(factory.layout_image);
}

function renderMoveLayoutMap(layoutImage) {
  const container = document.getElementById('moveLayoutMapContainer');
  const baseUrl = (window.API_BASE_URL || '').replace('/api', '');

  console.log('[이동모달] 렌더링 - layoutImage:', layoutImage);
  console.log('[이동모달] 렌더링 - panelMapRegions:', panelMapRegions);

  if (!layoutImage) {
    container.innerHTML = `<div style="padding: 20px; text-align: center; color: #666;">레이아웃 지도가 없습니다.</div>`;
    return;
  }

  // 지도 영역 데이터로 클릭 가능한 영역 생성 (x_start, y_start, x_end, y_end 사용)
  let regionsHtml = panelMapRegions.map(region => {
    const left = region.x_start;
    const top = region.y_start;
    const width = region.x_end - region.x_start;
    const height = region.y_end - region.y_start;
    return `
      <div class="layout-region move-wp-region" data-wp-id="${region.workplace_id}"
           style="left: ${left}%; top: ${top}%; width: ${width}%; height: ${height}%;">
        <span class="region-label">${region.workplace_name}</span>
      </div>
    `;
  }).join('');

  container.innerHTML = `
    <img src="${baseUrl}${layoutImage}" alt="공장 레이아웃">
    ${regionsHtml}
  `;

  // 영역 클릭 이벤트
  container.querySelectorAll('.move-wp-region').forEach(region => {
    region.onclick = () => {
      const wpId = parseInt(region.dataset.wpId);
      const wp = panelWorkplaces.find(w => w.workplace_id === wpId);
      if (wp) selectMoveWorkplace(wp);
    };
  });
}

function selectMoveWorkplace(workplace) {
  if (!workplace) return;

  console.log('[이동모달] 선택된 작업장:', workplace);
  console.log('[이동모달] layout_image:', workplace.layout_image);

  selectedMoveWorkplace = workplace;

  // 상세 지도가 없으면 위치 없이 바로 확인 가능하게
  if (!workplace.layout_image) {
    panelMovePosition = null; // 위치 좌표 없음
    document.getElementById('moveStep2').style.display = 'none';
    document.getElementById('moveStep3').style.display = 'block';
    document.getElementById('moveStep3Title').textContent = `${workplace.workplace_name}`;
    document.getElementById('moveDetailMapContainer').innerHTML = `
      <div style="padding: 40px; text-align: center; color: #666;">
        <div style="font-size: 3rem; margin-bottom: 12px;">📍</div>
        <div style="font-size: 1.1rem; font-weight: 600; margin-bottom: 8px;">${workplace.workplace_name}</div>
        <div>이 작업장에는 상세 지도가 없습니다.</div>
        <div style="margin-top: 8px; color: #999; font-size: 0.9rem;">위치 좌표 없이 작업장만 기록됩니다.</div>
      </div>
    `;
    document.getElementById('panelMoveConfirmBtn').disabled = false;
    return;
  }

  // Step 3으로 이동
  document.getElementById('moveStep2').style.display = 'none';
  document.getElementById('moveStep3').style.display = 'block';
  document.getElementById('moveStep3Title').textContent = `${workplace.workplace_name} - 위치 선택`;

  // 상세 지도 렌더링
  renderMoveDetailMap();
}

async function renderMoveDetailMap() {
  const container = document.getElementById('moveDetailMapContainer');
  const baseUrl = (window.API_BASE_URL || '').replace('/api', '');
  const imageUrl = `${baseUrl}${selectedMoveWorkplace.layout_image}`;

  // 이동 대상 작업장의 기존 설비 로드
  let existingEquipments = [];
  try {
    const response = await window.apiCall(`/equipments?workplace_id=${selectedMoveWorkplace.workplace_id}`, 'GET');
    if (response && response.success) {
      existingEquipments = response.data || [];
    }
  } catch (error) {
    console.error('설비 로드 실패:', error);
  }

  // 이미지 로드 후 마커 배치
  const img = new Image();
  img.onload = () => {
    // 기존 설비 마커 HTML 생성
    const markersHtml = existingEquipments.map(eq => {
      const isCurrentEquipment = eq.equipment_id === currentPanelEquipment.equipment_id;
      const markerClass = isCurrentEquipment ? 'move-eq-marker current-moving' : 'move-eq-marker existing';
      const width = eq.map_width_percent || 6;
      const height = eq.map_height_percent || 4;
      return `
        <div class="${markerClass}"
             style="left: ${eq.map_x_percent}%; top: ${eq.map_y_percent}%;
                    width: ${width}%; height: ${height}%;"
             title="${eq.equipment_name}">
          <span class="eq-label">${eq.equipment_code || eq.equipment_name}</span>
        </div>
      `;
    }).join('');

    container.innerHTML = `
      <div class="move-map-wrapper" id="moveMapWrapper">
        <img src="${imageUrl}" id="moveDetailMapImg">
        <div class="move-markers-layer">
          ${markersHtml}
          <div id="moveTargetMarker" class="move-eq-marker target" style="display: none;"></div>
        </div>
      </div>
    `;

    // 지도 클릭 이벤트
    document.getElementById('moveMapWrapper').addEventListener('click', onMoveDetailMapClick);
  };

  img.onerror = () => {
    container.innerHTML = `<div style="padding: 40px; text-align: center; color: #666;">지도를 불러올 수 없습니다.</div>`;
  };

  img.src = imageUrl;
}

function onMoveDetailMapClick(event) {
  const wrapper = document.getElementById('moveMapWrapper');
  const rect = wrapper.getBoundingClientRect();
  const x = ((event.clientX - rect.left) / rect.width) * 100;
  const y = ((event.clientY - rect.top) / rect.height) * 100;

  // 현재 설비의 크기 사용 (없으면 기본값)
  const width = currentPanelEquipment.map_width_percent || 6;
  const height = currentPanelEquipment.map_height_percent || 4;

  panelMovePosition = { x, y, width, height };

  // 타겟 마커 표시
  const targetMarker = document.getElementById('moveTargetMarker');
  targetMarker.style.left = x + '%';
  targetMarker.style.top = y + '%';
  targetMarker.style.width = width + '%';
  targetMarker.style.height = height + '%';
  targetMarker.style.display = 'flex';
  targetMarker.innerHTML = `<span class="eq-label">${currentPanelEquipment.equipment_code || currentPanelEquipment.equipment_name}</span>`;

  document.getElementById('panelMoveConfirmBtn').disabled = false;
}

function moveBackToStep1() {
  document.getElementById('moveStep2').style.display = 'none';
  document.getElementById('moveStep1').style.display = 'block';
  selectedMoveFactory = null;
}

function moveBackToStep2() {
  document.getElementById('moveStep3').style.display = 'none';
  document.getElementById('moveStep2').style.display = 'block';
  selectedMoveWorkplace = null;
  panelMovePosition = null;
  document.getElementById('panelMoveConfirmBtn').disabled = true;
}

async function confirmPanelMove() {
  if (!selectedMoveWorkplace) {
    alert('작업장을 선택하세요.');
    return;
  }

  // 상세 지도가 있는데 위치를 선택 안 한 경우
  if (selectedMoveWorkplace.layout_image && !panelMovePosition) {
    alert('지도에서 위치를 클릭하세요.');
    return;
  }

  const reason = document.getElementById('panelMoveReason').value;

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/move`, 'POST', {
      target_workplace_id: selectedMoveWorkplace.workplace_id,
      target_x_percent: panelMovePosition ? panelMovePosition.x.toFixed(2) : null,
      target_y_percent: panelMovePosition ? panelMovePosition.y.toFixed(2) : null,
      from_workplace_id: currentPanelEquipment.workplace_id,
      from_x_percent: currentPanelEquipment.map_x_percent,
      from_y_percent: currentPanelEquipment.map_y_percent,
      reason: reason
    });

    if (response && response.success) {
      closePanelMoveModal();
      closeEquipmentPanel();
      alert('설비가 임시 이동되었습니다.');
      // 설비 마커 새로고침
      if (currentModalWorkplace && currentModalWorkplace.workplace_id) {
        loadEquipmentMarkers(currentModalWorkplace.workplace_id);
      }
    }
  } catch (error) {
    console.error('이동 실패:', error);
    alert('이동에 실패했습니다.');
  }
}

// ==================== 수리신청 ====================

function openPanelRepairModal() {
  const select = document.getElementById('panelRepairItem');
  select.innerHTML = '<option value="">선택하세요</option>';
  panelRepairCategories.forEach(item => {
    select.innerHTML += `<option value="${item.item_id}">${item.item_name}</option>`;
  });

  document.getElementById('panelRepairDesc').value = '';
  document.getElementById('panelRepairPhotoInput').value = '';
  panelRepairPhotoBases = [];

  document.getElementById('panelRepairModal').style.display = 'flex';
}

function closePanelRepairModal() {
  document.getElementById('panelRepairModal').style.display = 'none';
}

async function submitPanelRepair() {
  const itemId = document.getElementById('panelRepairItem').value;
  const description = document.getElementById('panelRepairDesc').value;

  if (!description) {
    alert('수리 내용을 입력하세요.');
    return;
  }

  // 사진 처리
  const fileInput = document.getElementById('panelRepairPhotoInput');
  const photos = [];

  if (fileInput.files.length > 0) {
    for (const file of fileInput.files) {
      const base64 = await readFileAsBase64(file);
      photos.push(base64);
    }
  }

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/repair-request`, 'POST', {
      item_id: itemId || null,
      description: description,
      photo_base64_list: photos,
      workplace_id: currentPanelEquipment.workplace_id
    });

    if (response && response.success) {
      closePanelRepairModal();
      loadPanelRepairHistory();
      alert('수리 신청이 접수되었습니다.');
    }
  } catch (error) {
    console.error('수리 신청 실패:', error);
    alert('수리 신청에 실패했습니다.');
  }
}

function readFileAsBase64(file) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = () => resolve(reader.result);
    reader.onerror = reject;
    reader.readAsDataURL(file);
  });
}

// ==================== 외부반출 ====================

function openPanelExportModal() {
  document.getElementById('panelIsRepairExport').checked = false;
  document.getElementById('panelExportDate').value = new Date().toISOString().slice(0, 10);
  document.getElementById('panelExpectedReturn').value = '';
  document.getElementById('panelExportDest').value = '';
  document.getElementById('panelExportReason').value = '';

  document.getElementById('panelExportModal').style.display = 'flex';
}

function closePanelExportModal() {
  document.getElementById('panelExportModal').style.display = 'none';
}

async function submitPanelExport() {
  const exportDate = document.getElementById('panelExportDate').value;

  if (!exportDate) {
    alert('반출일을 입력하세요.');
    return;
  }

  try {
    const response = await window.apiCall(`/equipments/${currentPanelEquipment.equipment_id}/export`, 'POST', {
      export_date: exportDate,
      expected_return_date: document.getElementById('panelExpectedReturn').value || null,
      destination: document.getElementById('panelExportDest').value,
      reason: document.getElementById('panelExportReason').value,
      is_repair: document.getElementById('panelIsRepairExport').checked
    });

    if (response && response.success) {
      closePanelExportModal();
      loadPanelExternalLogs();
      alert('외부 반출이 등록되었습니다.');
    }
  } catch (error) {
    console.error('반출 실패:', error);
    alert('반출 등록에 실패했습니다.');
  }
}

// ==================== 반입 ====================

function openPanelReturnModal(logId) {
  document.getElementById('panelReturnLogId').value = logId;
  document.getElementById('panelReturnDate').value = new Date().toISOString().slice(0, 10);
  document.getElementById('panelReturnStatus').value = 'active';

  document.getElementById('panelReturnModal').style.display = 'flex';
}

function closePanelReturnModal() {
  document.getElementById('panelReturnModal').style.display = 'none';
}

async function submitPanelReturn() {
  const logId = document.getElementById('panelReturnLogId').value;
  const returnDate = document.getElementById('panelReturnDate').value;

  if (!returnDate) {
    alert('반입일을 입력하세요.');
    return;
  }

  try {
    const response = await window.apiCall(`/equipments/external-logs/${logId}/return`, 'POST', {
      return_date: returnDate,
      new_status: document.getElementById('panelReturnStatus').value
    });

    if (response && response.success) {
      closePanelReturnModal();
      loadPanelExternalLogs();
      alert('반입 처리가 완료되었습니다.');
    }
  } catch (error) {
    console.error('반입 실패:', error);
    alert('반입 처리에 실패했습니다.');
  }
}

// ==================== 유틸리티 ====================

function formatPanelDate(dateStr) {
  if (!dateStr) return '-';
  const date = new Date(dateStr);
  return `${date.getMonth() + 1}/${date.getDate()}`;
}

function truncateText(text, maxLen) {
  if (!text) return '-';
  return text.length > maxLen ? text.slice(0, maxLen) + '...' : text;
}

// 전역 함수 노출
window.openEquipmentPanel = openEquipmentPanel;
window.closeEquipmentPanel = closeEquipmentPanel;
window.openPanelPhotoUpload = openPanelPhotoUpload;
window.closePanelPhotoModal = closePanelPhotoModal;
window.previewPanelPhoto = previewPanelPhoto;
window.uploadPanelPhoto = uploadPanelPhoto;
window.deletePanelPhoto = deletePanelPhoto;
window.viewPanelPhoto = viewPanelPhoto;
window.openPanelMoveModal = openPanelMoveModal;
window.closePanelMoveModal = closePanelMoveModal;
window.selectMoveFactory = selectMoveFactory;
window.selectMoveWorkplace = selectMoveWorkplace;
window.onMoveDetailMapClick = onMoveDetailMapClick;
window.moveBackToStep1 = moveBackToStep1;
window.moveBackToStep2 = moveBackToStep2;
window.confirmPanelMove = confirmPanelMove;
window.openPanelRepairModal = openPanelRepairModal;
window.closePanelRepairModal = closePanelRepairModal;
window.submitPanelRepair = submitPanelRepair;
window.openPanelExportModal = openPanelExportModal;
window.closePanelExportModal = closePanelExportModal;
window.submitPanelExport = submitPanelExport;
window.openPanelReturnModal = openPanelReturnModal;
window.closePanelReturnModal = closePanelReturnModal;
window.submitPanelReturn = submitPanelReturn;