@extends('layouts.app')
@section('title', '財產盤點清單')

@section('content')
<div class="container-fluid py-4">

  <div class="row g-3">

    {{-- ── 左側分類選單 ── --}}
    <div class="col-md-2">
      <div class="card shadow-sm">
        <div class="card-header py-2 fw-semibold">分類篩選</div>
        <div class="card-body p-2">
          <a href="{{ route('assets.index') }}"
             class="btn btn-outline-secondary cat-btn w-100 text-start mb-1 {{ !$activeCategory ? 'active' : '' }}">
            <i class="bi bi-grid me-1"></i>全部
          </a>
          @foreach($categories as $cat)
            @php
              $icon = match($cat) {
                '硬體'     => 'bi-cpu',
                '軟體'     => 'bi-code-slash',
                '人員'     => 'bi-people',
                '基礎建設' => 'bi-building',
                '資訊'     => 'bi-database',
                default    => 'bi-tag',
              };
            @endphp
            <a href="{{ route('assets.index', ['category' => $cat]) }}"
               class="btn btn-outline-secondary cat-btn w-100 text-start mb-1 {{ $activeCategory === $cat ? 'active' : '' }}">
              <i class="bi {{ $icon }} me-1"></i>{{ $cat }}
            </a>
          @endforeach
        </div>
      </div>

      <div class="card shadow-sm mt-3">
        <div class="card-header py-2 fw-semibold">操作</div>
        <div class="card-body p-2 d-flex flex-column gap-2">
          <a href="{{ route('assets.create') }}" class="btn btn-success btn-sm w-100">
            <i class="bi bi-plus-lg me-1"></i>新增資產
          </a>
          <a href="{{ route('assets.export') }}" class="btn btn-outline-success btn-sm w-100" target="_blank">
            <i class="bi bi-download me-1"></i>匯出 CSV
          </a>
        </div>
      </div>
    </div>

    {{-- ── 右側表格 ── --}}
    <div class="col-md-10">

      @if (session('success'))
        <div class="alert alert-success alert-dismissible fade show">
          {{ session('success') }}<button type="button" class="btn-close" data-bs-dismiss="alert"></button>
        </div>
      @endif

      <div class="d-flex align-items-center gap-2 mb-3">
        <h4 class="mb-0 fw-bold">
          <i class="bi bi-box-seam me-1 text-primary"></i>
          {{ $activeCategory ? $activeCategory : '全部' }} 財產盤點清單
        </h4>
        <span class="badge bg-secondary">{{ $assets->count() }} 筆</span>
      </div>

      {{-- 批次操作列 --}}
      <div id="batchBar" style="display:none;position:sticky;top:66px;z-index:100;background:#1e40af;color:#fff;padding:8px 16px;border-radius:8px;margin-bottom:10px;align-items:center;gap:12px;">
        <span class="fw-semibold me-2">已選 <span id="batchCnt">0</span> 筆</span>
        <form id="batchForm" method="POST" action="{{ route('assets.destroyBatch') }}" style="display:inline;">
          @csrf @method('DELETE')
          <div id="batchIds"></div>
          <button type="button" id="batchDelBtn" class="btn btn-sm btn-danger me-2">
            <i class="bi bi-trash me-1"></i>批次刪除
          </button>
        </form>
        <button type="button" id="batchCancelBtn" class="btn btn-sm btn-outline-light">取消選取</button>
      </div>

      <div class="card shadow-sm">
        <div class="card-body p-0 table-responsive">
          <table id="asset-table" class="table table-bordered table-striped align-middle mb-0">
            <thead class="table-light">
              <tr>
                <th style="width:36px;" class="text-center">
                  <input type="checkbox" id="chkAll" class="form-check-input" title="全選">
                </th>
                <th class="text-center text-muted" style="width:48px;font-size:.75rem;">#</th>
                <th>分類</th>
                <th>名稱</th>
                <th>SN</th>
                <th>數量</th>
                <th>CIA</th>
                <th>位置</th>
                <th>管理者</th>
                <th>可外借</th>
                <th>交接歸還負責組</th>
                <th>建檔日期</th>
                <th>操作</th>
              </tr>
            </thead>
            <tbody>
              @foreach ($assets as $a)
                <tr>
                  <td class="text-center">
                    <input type="checkbox" class="form-check-input row-cb" value="{{ $a->id }}" data-name="ids[]">
                  </td>
                  <td class="text-center text-muted" style="font-size:.75rem;">{{ $loop->iteration }}</td>
                  <td>{{ $a->category }}</td>
                  <td>{{ $a->asset_name }}</td>
                  <td>{{ $a->asset_sn }}</td>
                  <td>{{ $a->quantity }}</td>
                  <td>{{ $a->confidentiality }}/{{ $a->integrity }}/{{ $a->availability }}</td>
                  <td>{{ $a->location }}</td>
                  <td>
                    @if ($a->manager && $a->manager->is_active)
                      {{ $a->manager->name }}
                    @elseif ($a->manager && !$a->manager->is_active)
                      <span class="text-muted">系統資安組</span>
                      <span class="badge bg-secondary ms-1" style="font-size:.7rem;">{{ $a->manager->name }}已離職</span>
                    @else
                      <span class="text-muted">系統資安組</span>
                    @endif
                  </td>
                  <td>{{ $a->lendable ? '✅' : '❌' }}</td>
                  <td>{{ \App\Models\Asset::CONFIRM_DEPTS[$a->confirm_dept] ?? $a->confirm_dept }}</td>
                  <td>{{ $a->created_at->format('Y-m-d') }}</td>
                  <td>
                    <a href="{{ route('assets.edit', $a->id) }}" class="btn btn-sm btn-primary">編輯</a>
                    <form action="{{ route('assets.destroy', $a->id) }}" method="POST" style="display:inline-block">
                      @csrf @method('DELETE')
                      <button class="btn btn-sm btn-danger" onclick="return confirm('確認刪除？')">刪除</button>
                    </form>
                  </td>
                </tr>
              @endforeach
            </tbody>
          </table>
        </div>
      </div>

    </div>{{-- .col-md-10 --}}
  </div>{{-- .row --}}
</div>
@endsection

@push('styles')
<style>
.cat-btn { font-size:.85rem; border-radius:6px; transition:background .12s; }
.cat-btn.active { background:#0d6efd; color:#fff; border-color:#0d6efd; }
.cat-btn:hover:not(.active) { background:#e9ecef; }
</style>
@endpush

@push('scripts')
<script>
$(document).ready(function() {
  $('#asset-table').DataTable({
    language: { url: '/vendor/datatables/i18n/zh-HANT.json' },
    order: [[11, 'desc']],
    columnDefs: [
      { orderable: false, searchable: false, targets: [0, 1, 12] },
      { render: (_, __, ___, meta) => meta.row + 1, targets: 1 },
    ],
  });
});

// ── 批次刪除邏輯 ──
const batchBar    = document.getElementById('batchBar');
const batchCnt    = document.getElementById('batchCnt');
const batchIds    = document.getElementById('batchIds');
const chkAll      = document.getElementById('chkAll');

function updateBatchBar() {
  const checked = document.querySelectorAll('.row-cb:checked');
  batchCnt.textContent = checked.length;
  batchBar.style.display = checked.length > 0 ? 'flex' : 'none';
  const all = document.querySelectorAll('.row-cb');
  chkAll.indeterminate = checked.length > 0 && checked.length < all.length;
  chkAll.checked = all.length > 0 && checked.length === all.length;
}

document.addEventListener('change', e => {
  if (e.target.id === 'chkAll') {
    document.querySelectorAll('.row-cb').forEach(cb => cb.checked = e.target.checked);
  }
  if (e.target.classList.contains('row-cb') || e.target.id === 'chkAll') updateBatchBar();
});

document.getElementById('batchDelBtn').addEventListener('click', () => {
  const checked = document.querySelectorAll('.row-cb:checked');
  if (!checked.length) return;
  if (!confirm(`確定刪除選取的 ${checked.length} 筆資產？此操作無法還原。`)) return;
  batchIds.innerHTML = '';
  checked.forEach(cb => {
    const inp = document.createElement('input');
    inp.type = 'hidden'; inp.name = 'ids[]'; inp.value = cb.value;
    batchIds.appendChild(inp);
  });
  document.getElementById('batchForm').submit();
});

document.getElementById('batchCancelBtn').addEventListener('click', () => {
  document.querySelectorAll('.row-cb').forEach(cb => cb.checked = false);
  if (chkAll) chkAll.checked = false;
  updateBatchBar();
});
</script>
@endpush