/**
 * 부적합 현황 페이지 JavaScript
 * category_type=nonconformity 고정 필터
 */

const API_BASE = window.API_BASE_URL || 'http://localhost:20005/api';
const CATEGORY_TYPE = 'nonconformity';

// 상태 한글 변환
const STATUS_LABELS = {
  reported: '신고',
  received: '접수',
  in_progress: '처리중',
  completed: '완료',
  closed: '종료'
};

// DOM 요소
let issueList;
let filterStatus, filterStartDate, filterEndDate;

// 초기화
document.addEventListener('DOMContentLoaded', async () => {
  issueList = document.getElementById('issueList');
  filterStatus = document.getElementById('filterStatus');
  filterStartDate = document.getElementById('filterStartDate');
  filterEndDate = document.getElementById('filterEndDate');

  // 필터 이벤트 리스너
  filterStatus.addEventListener('change', loadIssues);
  filterStartDate.addEventListener('change', loadIssues);
  filterEndDate.addEventListener('change', loadIssues);

  // 데이터 로드
  await Promise.all([loadStats(), loadIssues()]);
});

/**
 * 통계 로드 (부적합만)
 */
async function loadStats() {
  try {
    const response = await fetch(`${API_BASE}/work-issues/stats/summary?category_type=${CATEGORY_TYPE}`, {
      headers: { 'Authorization': `Bearer ${localStorage.getItem('token')}` }
    });

    if (!response.ok) {
      document.getElementById('statsGrid').style.display = 'none';
      return;
    }

    const data = await response.json();
    if (data.success && data.data) {
      document.getElementById('statReported').textContent = data.data.reported || 0;
      document.getElementById('statReceived').textContent = data.data.received || 0;
      document.getElementById('statProgress').textContent = data.data.in_progress || 0;
      document.getElementById('statCompleted').textContent = data.data.completed || 0;
    }
  } catch (error) {
    console.error('통계 로드 실패:', error);
    document.getElementById('statsGrid').style.display = 'none';
  }
}

/**
 * 부적합 목록 로드
 */
async function loadIssues() {
  try {
    // 필터 파라미터 구성 (category_type 고정)
    const params = new URLSearchParams();
    params.append('category_type', CATEGORY_TYPE);

    if (filterStatus.value) params.append('status', filterStatus.value);
    if (filterStartDate.value) params.append('start_date', filterStartDate.value);
    if (filterEndDate.value) params.append('end_date', filterEndDate.value);

    const response = await fetch(`${API_BASE}/work-issues?${params.toString()}`, {
      headers: { 'Authorization': `Bearer ${localStorage.getItem('token')}` }
    });

    if (!response.ok) throw new Error('목록 조회 실패');

    const data = await response.json();
    if (data.success) {
      renderIssues(data.data || []);
    }
  } catch (error) {
    console.error('부적합 목록 로드 실패:', error);
    issueList.innerHTML = `
      <div class="empty-state">
        <div class="empty-state-title">목록을 불러올 수 없습니다</div>
        <p>잠시 후 다시 시도해주세요.</p>
      </div>
    `;
  }
}

/**
 * 부적합 목록 렌더링
 */
function renderIssues(issues) {
  if (issues.length === 0) {
    issueList.innerHTML = `
      <div class="empty-state">
        <div class="empty-state-title">등록된 부적합 신고가 없습니다</div>
        <p>새로운 부적합을 신고하려면 '부적합 신고' 버튼을 클릭하세요.</p>
      </div>
    `;
    return;
  }

  const baseUrl = (window.API_BASE_URL || 'http://localhost:20005').replace('/api', '');

  issueList.innerHTML = issues.map(issue => {
    const reportDate = new Date(issue.report_date).toLocaleString('ko-KR', {
      year: 'numeric',
      month: '2-digit',
      day: '2-digit',
      hour: '2-digit',
      minute: '2-digit'
    });

    // 위치 정보 (escaped)
    let location = escapeHtml(issue.custom_location || '');
    if (issue.factory_name) {
      location = escapeHtml(issue.factory_name);
      if (issue.workplace_name) {
        location += ` - ${escapeHtml(issue.workplace_name)}`;
      }
    }

    // 신고 제목 (항목명 또는 카테고리명)
    const title = escapeHtml(issue.issue_item_name || issue.issue_category_name || '부적합 신고');
    const categoryName = escapeHtml(issue.issue_category_name || '부적합');

    // 사진 목록
    const photos = [
      issue.photo_path1,
      issue.photo_path2,
      issue.photo_path3,
      issue.photo_path4,
      issue.photo_path5
    ].filter(Boolean);

    // 안전한 값들
    const safeReportId = parseInt(issue.report_id) || 0;
    const validStatuses = ['reported', 'received', 'in_progress', 'completed', 'closed'];
    const safeStatus = validStatuses.includes(issue.status) ? issue.status : 'reported';
    const reporterName = escapeHtml(issue.reporter_full_name || issue.reporter_name || '-');
    const assignedName = issue.assigned_full_name ? escapeHtml(issue.assigned_full_name) : '';

    return `
      <div class="issue-card" onclick="viewIssue(${safeReportId})">
        <div class="issue-header">
          <span class="issue-id">#${safeReportId}</span>
          <span class="issue-status ${safeStatus}">${STATUS_LABELS[issue.status] || escapeHtml(issue.status || '-')}</span>
        </div>

        <div class="issue-title">
          <span class="issue-category-badge">${categoryName}</span>
          ${title}
        </div>

        <div class="issue-meta">
          <span class="issue-meta-item">
            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
              <path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2"/>
              <circle cx="12" cy="7" r="4"/>
            </svg>
            ${reporterName}
          </span>
          <span class="issue-meta-item">
            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
              <rect x="3" y="4" width="18" height="18" rx="2" ry="2"/>
              <line x1="16" y1="2" x2="16" y2="6"/>
              <line x1="8" y1="2" x2="8" y2="6"/>
              <line x1="3" y1="10" x2="21" y2="10"/>
            </svg>
            ${reportDate}
          </span>
          ${location ? `
          <span class="issue-meta-item">
            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
              <path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/>
              <circle cx="12" cy="10" r="3"/>
            </svg>
            ${location}
          </span>
          ` : ''}
          ${assignedName ? `
          <span class="issue-meta-item">
            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
              <path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"/>
              <circle cx="9" cy="7" r="4"/>
              <path d="M23 21v-2a4 4 0 0 0-3-3.87"/>
              <path d="M16 3.13a4 4 0 0 1 0 7.75"/>
            </svg>
            담당: ${assignedName}
          </span>
          ` : ''}
        </div>

        ${photos.length > 0 ? `
        <div class="issue-photos">
          ${photos.slice(0, 3).map(p => `
            <img src="${baseUrl}${encodeURI(p)}" alt="신고 사진" loading="lazy">
          `).join('')}
          ${photos.length > 3 ? `<span style="display: flex; align-items: center; color: var(--gray-500);">+${photos.length - 3}</span>` : ''}
        </div>
        ` : ''}
      </div>
    `;
  }).join('');
}

/**
 * 상세 보기
 */
function viewIssue(reportId) {
  window.location.href = `/pages/safety/issue-detail.html?id=${reportId}&from=nonconformity`;
}