@php 
 $stage=$query['stage']??''; $draft=session()->has('import')?json_decode(\App\Support\Repository::unseal(session('import')),true):null;
 if($draft&&(int)$draft['semester']===$sid&&in_array($stage,['map','review'],true)): @endphp
<section class="panel"><a class="back" href="/?page=imports&semester={!! $sid !!}">← Import center</a><h2>{!! $stage==='map'?'Map file columns':'Review before importing' !!}</h2><p>{!! e($draft['filename']) !!} · {!! e($draft['kind']) !!} · {!! count($draft['rows']) !!} data rows</p>
@if($stage==='map')<form method="post" action="{{ route('actions.review_import') }}">{!! \App\Support\Ui::csrf() !!}<input type="hidden" name="semester" value="{!! $sid !!}"><input type="hidden" name="action" value="review_import"><div class="form-grid">@foreach(\App\Services\SpreadsheetService::IMPORT_FIELDS[$draft['kind']] as $field)<label>{!! e(str_replace('_',' ',$field)) !!}{!! $draft['kind']==='kortext'&&in_array($field,['course_code','section','isbn'])?' (optional if match is unique)':'' !!}<select name="mapping[{!! $field !!}]"><option value="">Select a column</option>@foreach($draft['headers'] as $i=>$head)<option value="{!! $i !!}" {!! strtolower(trim($head))===$field?'selected':'' !!}>{!! e($head) !!}</option>@endforeach</select></label>@endforeach</div><button>Validate and preview</button></form>
@php else: $review=\App\Services\ImportService::prepare_import($sid,$draft['kind'],$draft['rows'],session('mapping', [])??[]);foreach($review['warnings'] as $w): @endphp<div class="alert warning">{!! e($w) !!}</div>@php endforeach;if($review['errors']): @endphp<div class="alert error"><strong>No rows will be imported.</strong><ul>@foreach(array_slice($review['errors'],0,100) as $err)<li>{!! e($err) !!}</li>@endforeach</ul></div>@else<div class="alert success">{!! count($review['rows']) !!} validated, unique rows. Allocation and notifications are processed after commit.</div>@php endif;
 $heads=\App\Services\SpreadsheetService::IMPORT_FIELDS[$draft['kind']];$body=[];foreach(array_slice($review['rows'],0,12) as $r){$body[]=array_map(fn($h)=>$h==='access_code'?'•••••• (protected)':e($r[$h]??''),$heads);} echo \App\Support\Ui::table($heads,$body); @endphp<p class="small muted">Preview shows up to 12 validated rows. The entire file has been checked.</p>
@php if(!$review['errors']): echo \App\Support\Ui::post_form('commit_import',$sid,'<label class="check"><input type="checkbox" name="confirm" required> I reviewed the file and confirm its scope and contents.</label>','Commit import');endif;@endphp<a href="/?page=imports&semester={!! $sid !!}&stage=map">Change column mapping</a>@endif</section>
@else
<div class="columns"><section class="panel"><h2>Upload a staff-supplied file</h2><p class="muted">Choose the file type, map its columns, then review validation results. No mailbox access is used.</p><form method="post" action="{{ route('actions.upload') }}" enctype="multipart/form-data">{!! \App\Support\Ui::csrf() !!}<input type="hidden" name="action" value="upload"><input type="hidden" name="semester" value="{!! $sid !!}"><label>File type<select name="kind"><option value="requirements">Approved course and section books — complete snapshot</option><option value="finance">Finance scholarship students — complete snapshot</option><option value="registration">Registrar enrollments — complete snapshot</option><option value="codes">Publisher access codes — incremental</option><option value="kortext">Kortext delivery confirmations — incremental</option></select></label><label>Publisher for a code file without a publisher column<select name="publisher_override"><option value="">Use the publisher column in the file</option>@foreach($records->codePublishers([$sid,"Kortext"]) as $pub)<option>{!! e($pub["publisher"]) !!}</option>@endforeach</select></label><label>Excel or CSV file<input type="file" name="file" accept=".xlsx,.csv" required></label><p class="small muted">One worksheet · Maximum 8 MB / 10,000 rows · Format IDs, ISBNs and access codes as text.</p><button>Upload and map columns</button></form></section>
<section class="panel"><h2>Download import templates</h2><p class="muted">Headers are in English. Fill one row per student-course-section, required book, access code or delivered book as appropriate.</p>@foreach(\App\Services\SpreadsheetService::IMPORT_FIELDS as $key=>$fields)<a class="attention" href="/?template={!! $key !!}"><span>{!! e(ucfirst($key)) !!}</span><strong>XLSX ↓</strong></a>@endforeach</section></div>
@endif<section class="panel"><h2>Committed imports</h2>{!! \App\Support\Ui::table(['Time (UTC)','Type','Filename','Rows','Actor'],array_map(fn($r)=>[e($r['created_at']),\App\Support\Ui::badge($r['kind']),e($r['filename']),e($r['row_count']),e($r['actor'])],$records->importHistory([$sid]))) !!}</section>

@if(isset($records->paginators['imports']))@include('components.pagination',['paginator'=>$records->paginators['imports']])@endif