@extends('user.layouts.app')
@section('title','My Presentations')
@section('page-title','My Presentations')
@section('page-subtitle','Upload materials for accepted papers or assigned speaker sessions')
@section('content')

@if(session('success'))<div class="alert alert-success">{{ session('success') }}</div>@endif
@if(session('error'))<div class="alert alert-danger">{{ session('error') }}</div>@endif

@if($speakerAssignments->isNotEmpty())
<div class="content-card p-4 mb-4">
    <h5>Speaker Assignments</h5>
    <p class="text-muted small">You were assigned as a speaker for these conferences. Upload your presentation title, slides, and document — payment is not required.</p>
    <div class="table-responsive">
        <table class="table">
            <thead><tr><th>Conference</th><th>Title / Topic</th><th>Upload</th><th>Approval</th><th>Action</th></tr></thead>
            <tbody>
                @foreach($speakerAssignments as $assignment)
                    <tr>
                        <td>{{ $assignment->conference?->name }}</td>
                        <td>{{ Str::limit($assignment->presentation_title ?? '—', 45) }}</td>
                        <td>{{ str_replace('_', ' ', ucfirst($assignment->upload_status)) }}</td>
                        <td>{{ ucfirst($assignment->approval_status) }}</td>
                        <td>
                            @if($assignment->hasUploadedMaterials())
                                <a href="{{ route('user.speaker-materials.show', $assignment) }}" class="btn btn-sm btn-outline-secondary">View</a>
                                <a href="{{ route('user.speaker-materials.upload', $assignment) }}" class="btn btn-sm btn-success">Replace</a>
                            @else
                                <a href="{{ route('user.speaker-materials.upload', $assignment) }}" class="btn btn-sm btn-success">Upload</a>
                            @endif
                        </td>
                    </tr>
                @endforeach
            </tbody>
        </table>
    </div>
</div>
@endif

@if($acceptedPapers->isNotEmpty())
<div class="content-card p-4 mb-4">
    <h5>Accepted Papers — Upload Required</h5>
    <div class="table-responsive">
        <table class="table">
            <thead><tr><th>Paper</th><th>Conference</th><th>Status</th><th>Action</th></tr></thead>
            <tbody>
                @foreach($acceptedPapers as $paper)
                    @php $pres = $paper->presentation; @endphp
                    <tr>
                        <td>{{ Str::limit($paper->title, 50) }}</td>
                        <td>{{ $paper->conference?->name }}</td>
                        <td>
                            @if(!$pres || $pres->upload_status === 'not_uploaded')
                                <span class="badge bg-warning text-dark">Not Uploaded</span>
                            @else
                                <span class="badge bg-{{ $pres->approval_status === 'approved' ? 'success' : ($pres->approval_status === 'rejected' ? 'danger' : 'secondary') }}">{{ ucfirst($pres->approval_status) }}</span>
                            @endif
                        </td>
                        <td>
                            @if($pres && in_array($pres->upload_status, ['uploaded','replaced']))
                                <a href="{{ route('user.presentations.show', $pres) }}" class="btn btn-sm btn-outline-secondary">View</a>
                                @if($paper->conference?->allow_presentation_replacement)
                                    <a href="{{ route('user.presentations.upload', $paper) }}" class="btn btn-sm btn-success">Replace</a>
                                @endif
                            @else
                                <a href="{{ route('user.presentations.upload', $paper) }}" class="btn btn-sm btn-success">Upload</a>
                            @endif
                        </td>
                    </tr>
                @endforeach
            </tbody>
        </table>
    </div>
</div>
@endif

<div class="content-card p-4">
    <h5>My Uploaded Presentations</h5>
    <div class="table-responsive">
        <table class="table">
            <thead><tr><th>Title</th><th>Conference</th><th>Upload</th><th>Approval</th><th>Action</th></tr></thead>
            <tbody>
                @forelse($presentations as $p)
                    <tr>
                        <td>{{ Str::limit($p->presentation_title ?? $p->paper?->title, 45) }}</td>
                        <td>{{ $p->conference?->name }}</td>
                        <td>{{ str_replace('_', ' ', ucfirst($p->upload_status)) }}</td>
                        <td>{{ ucfirst($p->approval_status) }}</td>
                        <td><a href="{{ route('user.presentations.show', $p) }}" class="btn btn-sm btn-outline-secondary">View</a></td>
                    </tr>
                @empty
                    <tr><td colspan="5" class="text-muted">No presentations uploaded yet.</td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
    {{ $presentations->links() }}
</div>
@endsection