@extends('user.layouts.app')
@section('title','Upload Presentation')
@section('page-title','Upload Presentation')
@section('page-subtitle',$paper->title)
@section('content')

@if($errors->any())<div class="alert alert-danger"><ul class="mb-0">@foreach($errors->all() as $e)<li>{{ $e }}</li>@endforeach</ul></div>@endif

<div class="content-card p-4 mb-4">
    <p><strong>Conference:</strong> {{ $paper->conference?->name }}</p>
    <p><strong>Paper Code:</strong> {{ $paper->paper_code }}</p>
    @if($paper->conference?->presentation_upload_deadline)
        <p><strong>Upload Deadline:</strong> {{ $paper->conference->presentation_upload_deadline->format('M d, Y') }}</p>
    @endif
    <p class="text-muted mb-0">Allowed types: {{ $paper->conference?->allowed_presentation_file_types ?? 'ppt,pptx,pdf' }} — Max {{ number_format(($paper->conference?->presentation_file_max_size ?? 20480) / 1024, 0) }} MB</p>
</div>

<form method="POST" action="{{ route('user.presentations.store', $paper) }}" enctype="multipart/form-data" class="content-card p-4">
    @csrf
    <div class="mb-3">
        <label class="form-label">Presentation Title (optional)</label>
        <input name="presentation_title" class="form-control" value="{{ old('presentation_title', $paper->presentation?->presentation_title ?? $paper->title) }}">
    </div>
    <div class="mb-3">
        <label class="form-label">PowerPoint File *</label>
        <input type="file" name="file" class="form-control" required
            accept=".{{ str_replace(',', ',.', $paper->conference?->allowed_presentation_file_types ?? 'ppt,pptx,pdf') }}">
    </div>
    <div class="d-flex gap-2">
        <button type="submit" class="btn btn-success">Upload Presentation</button>
        <a href="{{ route('user.my-presentations') }}" class="btn btn-light">Cancel</a>
    </div>
</form>
@endsection