@extends('user.layouts.app')
@section('title','Paper Review Fee')
@section('page-title','Paper Review Fee')
@section('page-subtitle','One fee per paper — pay again for each additional submission')
@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(session('info'))<div class="alert alert-info">{{ session('info') }}</div>@endif

@if(session('highlight_external_url'))
    <div class="alert alert-success border">
        <strong>External submission portal</strong>
        <p class="mb-2">Use this link to submit your paper on the conference platform:</p>
        <a href="{{ session('highlight_external_url') }}" target="_blank" rel="noopener" class="btn btn-success btn-sm">{{ session('highlight_external_url') }}</a>
    </div>
@endif

<div class="alert alert-light border mb-4">
    <strong>One paper review fee = one paper.</strong>
    Pay the fee for each paper you plan to submit. If a paper is rejected (internal or external), pay again to submit another paper.
    Payment is available during the <strong>Full Paper Submission</strong> window. Configure the author fee under Admin → Fees Setup with fee code <code>paper_review</code>.
</div>

@include('user.partials.paper-review-access', ['paperReviewAccess' => $conferenceRows->filter(fn ($row) => $row['status']['has_paid'] || $row['status']['has_pending'])])

<div class="content-card p-4">
    <h5 class="mb-3">Active Conferences</h5>
    <div class="table-responsive">
        <table class="table align-middle">
            <thead>
                <tr>
                    <th>Conference</th>
                    <th>Submission mode</th>
                    <th>Payment window</th>
                    <th>Fee</th>
                    <th>Slots</th>
                    <th>Status</th>
                    <th></th>
                </tr>
            </thead>
            <tbody>
                @forelse($conferenceRows as $row)
                    @php
                        $conference = $row['conference'];
                        $status = $row['status'];
                        $fee = $status['fee_item'];
                    @endphp
                    <tr>
                        <td>
                            <strong>{{ $conference->name }}</strong>
                            <small class="text-muted d-block">{{ $conference->conference_year }}</small>
                        </td>
                        <td>{{ $status['uses_internal'] ? 'In-system' : 'External platform' }}</td>
                        <td>
                            @if($status['window_label'])
                                {{ $status['window_label'] }}
                            @else
                                <span class="text-muted">Not set</span>
                            @endif
                        </td>
                        <td>
                            @if($fee)
                                {{ $fee->currency ?? 'NGN' }} {{ number_format($fee->amount, 2) }}
                            @else
                                <span class="text-muted">Not configured</span>
                            @endif
                        </td>
                        <td>
                            <span class="badge bg-light text-dark">{{ $status['paid_papers_count'] }} paid</span>
                            @if($status['available_slots'] > 0)
                                <span class="badge bg-primary">{{ $status['available_slots'] }} ready</span>
                            @endif
                        </td>
                        <td>
                            @if($status['has_pending'])
                                <span class="badge bg-warning text-dark">Payment pending</span>
                            @elseif($status['has_paid'])
                                <span class="badge bg-success">Paid</span>
                            @elseif($status['can_pay'])
                                <span class="badge bg-primary">Payment open</span>
                            @else
                                <span class="badge bg-secondary">Unavailable</span>
                            @endif
                            @if($status['message'])
                                <small class="text-muted d-block">{{ $status['message'] }}</small>
                            @endif
                        </td>
                        <td class="text-end">
                            @if($status['has_available_slot'] && $status['uses_internal'])
                                <a href="{{ route('user.submit-paper', ['conference_id' => $conference->id]) }}" class="btn btn-sm btn-success">Submit Paper</a>
                            @elseif($status['has_paid'] && ! $status['uses_internal'] && $status['external_url'])
                                <a href="{{ $status['external_url'] }}" target="_blank" rel="noopener" class="btn btn-sm btn-success">Open Portal</a>
                            @endif

                            @foreach($status['paper_review_cycles'] ?? [] as $cycle)
                                @if($cycle['can_register_accepted_paper'] && ! empty($cycle['application_id']))
                                    <a href="{{ route('user.papers.register-external', $cycle['application_id']) }}" class="btn btn-sm btn-outline-success">Register Accepted Paper</a>
                                @endif
                            @endforeach

                            @if($status['can_pay'])
                                <form method="POST" action="{{ route('user.paper-review.pay', $conference) }}" class="d-inline">
                                    @csrf
                                    <button type="submit" class="btn btn-sm btn-success">
                                        {{ $status['has_paid'] ? 'Pay for Another Paper' : 'Pay Paper Review Fee' }}
                                    </button>
                                </form>
                            @endif
                        </td>
                    </tr>
                @empty
                    <tr><td colspan="7" class="text-muted">No active conferences at the moment.</td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
</div>

@endsection