@extends('frontend.source.layouts.app')

@section('content')
    @php
        $isEditor = auth('web')->check() && auth('web')->user()->hasRole('editor');
        $hasAcceptedInvitation = ($manuscriptInvitations ?? collect())->contains(function ($invite) {
            return !empty($invite->accepted_at);
        });
    @endphp

    <style>
        .detail-page {
            margin-top: 40px;
            margin-bottom: 40px;
        }

        .detail-card {
            background: #fff;
            border: 1px solid #e6ecf4;
            border-radius: 14px;
            box-shadow: 0 10px 28px rgba(16, 34, 64, 0.08);
            overflow: hidden;
            margin-bottom: 18px;
        }

        .detail-card-header {
            padding: 18px 22px;
            border-bottom: 1px solid #eef2f7;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .detail-card-title {
            margin: 0;
            color: #19324d;
            font-weight: 700;
            font-size: 22px;
        }

        .meta-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
            padding: 20px 22px;
        }

        .meta-item {
            background: #f8fbff;
            border: 1px solid #e7edf6;
            border-radius: 10px;
            padding: 12px;
        }

        .meta-label {
            font-size: 12px;
            font-weight: 700;
            color: #4f647e;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }

        .meta-value {
            font-size: 15px;
            color: #1d2f45;
            line-height: 1.5;
            word-break: break-word;
        }

        .section-body {
            padding: 18px 22px 22px;
        }

        .file-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
        }

        .file-card {
            border: 1px solid #e7edf6;
            border-radius: 10px;
            background: #fff;
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .file-name {
            font-weight: 600;
            color: #24384f;
            line-height: 1.4;
            word-break: break-word;
        }

        .file-type {
            font-size: 12px;
            color: #6b7f95;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }

        .btn-download {
            align-self: flex-start;
            background: #1f6feb;
            border-color: #1f6feb;
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            padding: 6px 12px;
            text-decoration: none;
        }

        .btn-download:hover {
            background: #1759bc;
            border-color: #1759bc;
            color: #fff;
        }

        .btn-back {
            border-radius: 8px;
            font-weight: 600;
        }

        .btn-invite {
            background: #7c3aed;
            border-color: #7c3aed;
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
        }

        .btn-invite:hover {
            background: #6d28d9;
            border-color: #6d28d9;
            color: #fff;
        }

        .empty-note {
            border: 1px dashed #cad5e4;
            border-radius: 10px;
            background: #fafcff;
            color: #5f748c;
            padding: 14px;
            font-weight: 600;
            text-align: center;
        }

        .invitation-table {
            width: 100%;
            border-collapse: collapse;
        }

        .invitation-table th,
        .invitation-table td {
            border: 1px solid #e7edf6;
            padding: 10px;
            vertical-align: middle;
        }

        .invitation-table th {
            background: #f7fafe;
            color: #2f435b;
            font-weight: 700;
            white-space: nowrap;
        }

        .status-pill {
            display: inline-block;
            border-radius: 999px;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
        }

        .status-pending {
            background: #fff7e6;
            border: 1px solid #ffe4b2;
            color: #a26500;
        }

        .status-accepted {
            background: #e9f9ef;
            border: 1px solid #bfeacc;
            color: #167343;
        }

        .btn-send-data {
            background: #0ea5a3;
            border-color: #0ea5a3;
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
        }

        .btn-send-data:hover {
            background: #0b8a88;
            border-color: #0b8a88;
            color: #fff;
        }

        @media (max-width: 767px) {
            .meta-grid {
                grid-template-columns: 1fr;
            }

            .detail-card-title {
                font-size: 20px;
            }
        }
    </style>

    <div class="stricky-header stricked-menu main-menu">
        <div class="sticky-header__content"></div>
    </div>

    <section class="blog-left-sidebar">
        <div class="container">
            <div class="row">
                <div class="col-xl-3">
                    @include('frontend.source.common.sidebar')
                </div>

                <div class="col-xl-9">
                    <div class="detail-page mt-0">

                        <div class="detail-card">
                            <div class="detail-card-header">
                                <h5 class="detail-card-title">Manuscript Details</h5>
                                <div class="d-flex align-items-center gap-2">
                                    @if($isEditor && !$hasAcceptedInvitation)
                                        <button type="button" class="btn btn-sm btn-invite" data-bs-toggle="modal" data-bs-target="#inviteReviewerModal">
                                            Invite Reviewer
                                        </button>
                                    @endif
                                    <a href="{{ route('frontend.submitted.manuscripts') }}" class="btn btn-outline-secondary btn-sm btn-back">Back</a>
                                </div>
                            </div>

                            <div class="meta-grid">
                                <div class="meta-item">
                                    <div class="meta-label">Manuscript ID</div>
                                    <div class="meta-value">{{ $manuscript->manuscriptID ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Submitted Date</div>
                                    <div class="meta-value">{{ optional($manuscript->created_at)->format('d M Y h:i A') ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Title</div>
                                    <div class="meta-value">{{ $manuscript->title ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Status</div>
                                    <div class="meta-value">{{ $manuscript->status ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Author 1</div>
                                    <div class="meta-value">{{ $manuscript->author1 ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Author 2</div>
                                    <div class="meta-value">{{ $manuscript->author2 ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Affiliation 1</div>
                                    <div class="meta-value">{{ $manuscript->affiliation1 ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item">
                                    <div class="meta-label">Affiliation 2</div>
                                    <div class="meta-value">{{ $manuscript->affiliation2 ?? 'N/A' }}</div>
                                </div>
                                <div class="meta-item" style="grid-column: 1 / -1;">
                                    <div class="meta-label">Abstract</div>
                                    <div class="meta-value">{{ $manuscript->abstract ?? 'N/A' }}</div>
                                </div>
                            </div>
                        </div>

                        <div class="detail-card">
                            <div class="detail-card-header">
                                <h6 class="mb-0">Primary Files</h6>
                            </div>
                            <div class="section-body">
                                @if($mainFiles->isNotEmpty())
                                    <div class="file-grid">
                                        @foreach($mainFiles as $file)
                                            <div class="file-card">
                                                <div class="file-name">{{ $file['name'] }}</div>
                                                <div class="file-type">{{ $file['extension'] ?: 'file' }}</div>
                                                <a href="{{ asset($file['path']) }}" target="_blank" download class="btn-download">Download</a>
                                            </div>
                                        @endforeach
                                    </div>
                                @else
                                    <div class="empty-note">No primary files found.</div>
                                @endif
                            </div>
                        </div>

                        @if($isEditor)
                            <div class="detail-card">
                                <div class="detail-card-header">
                                    <h6 class="mb-0">Reviewer Invitation Status</h6>
                                </div>
                                <div class="section-body">
                                    @if(($manuscriptInvitations ?? collect())->isNotEmpty())
                                        <div class="table-responsive">
                                            <table class="invitation-table">
                                                <thead>
                                                    <tr>
                                                        <th>Reviewer</th>
                                                        <th>Invited On</th>
                                                        <th>Status</th>
                                                        <th class="text-center">Action</th>
                                                    </tr>
                                                </thead>
                                                <tbody>
                                                    @foreach($manuscriptInvitations as $invite)
                                                        <tr>
                                                            <td>
                                                                <div class="fw-semibold">{{ $invite->invited_name ?: 'Reviewer' }}</div>
                                                                <small class="text-muted">{{ $invite->invited_email }}</small>
                                                            </td>
                                                            <td>{{ optional($invite->created_at)->format('d M Y h:i A') }}</td>
                                                            <td>
                                                                @if($invite->accepted_at)
                                                                    <span class="status-pill status-accepted">Accepted</span>
                                                                @else
                                                                    <span class="status-pill status-pending">Pending</span>
                                                                @endif
                                                            </td>
                                                            <td class="text-center">
                                                                @if($invite->accepted_at)
                                                                    <button
                                                                        type="button"
                                                                        class="btn btn-sm btn-send-data"
                                                                        data-bs-toggle="modal"
                                                                        data-bs-target="#sendDataModal"
                                                                        data-email="{{ $invite->invited_email }}"
                                                                    >
                                                                        Send Manuscript Data
                                                                    </button>
                                                                @else
                                                                    <button type="button" class="btn btn-sm btn-secondary" disabled>Waiting Acceptance</button>
                                                                @endif
                                                            </td>
                                                        </tr>
                                                    @endforeach
                                                </tbody>
                                            </table>
                                        </div>
                                    @else
                                        <div class="empty-note">No reviewer invitations sent for this manuscript yet.</div>
                                    @endif
                                </div>
                            </div>
                        @endif

                        <div class="detail-card">
                            <div class="detail-card-header">
                                <h6 class="mb-0">Figure Attachments</h6>
                            </div>
                            <div class="section-body">
                                @if($figureFiles->isNotEmpty())
                                    <div class="file-grid">
                                        @foreach($figureFiles as $file)
                                            <div class="file-card">
                                                <div class="file-name">{{ $file['name'] }}</div>
                                                <div class="file-type">{{ $file['extension'] ?: 'file' }}</div>
                                                <a href="{{ asset($file['path']) }}" target="_blank" download class="btn-download">Download</a>
                                            </div>
                                        @endforeach
                                    </div>
                                @else
                                    <div class="empty-note">No figure attachments found.</div>
                                @endif
                            </div>
                        </div>

                        <div class="detail-card">
                            <div class="detail-card-header">
                                <h6 class="mb-0">Supplementary Materials</h6>
                            </div>
                            <div class="section-body">
                                @if($supplementaryFiles->isNotEmpty())
                                    <div class="file-grid">
                                        @foreach($supplementaryFiles as $file)
                                            <div class="file-card">
                                                <div class="file-name">{{ $file['name'] }}</div>
                                                <div class="file-type">{{ $file['extension'] ?: 'file' }}</div>
                                                <a href="{{ asset($file['path']) }}" target="_blank" download class="btn-download">Download</a>
                                            </div>
                                        @endforeach
                                    </div>
                                @else
                                    <div class="empty-note">No supplementary files found.</div>
                                @endif
                            </div>
                        </div>

                    </div>
                </div>
            </div>
        </div>
    </section>

    @if($isEditor)
        <div class="modal fade" id="inviteReviewerModal" tabindex="-1" aria-hidden="true">
            <div class="modal-dialog modal-dialog-centered">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">Invite Reviewer</h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        <form id="inviteReviewerForm">
                            @csrf
                            <div class="mb-3">
                                <label class="form-label">Reviewer Email</label>
                                <select class="form-control" id="inviteRecipient" name="recipient_email" required>
                                    <option value="">Select reviewer email</option>
                                    @foreach(($acceptedReviewers ?? []) as $reviewer)
                                        <option value="{{ $reviewer->email }}">{{ $reviewer->email }}</option>
                                    @endforeach
                                </select>
                                <small class="text-muted d-block mt-2">Only reviewers who accepted the admin reviewer invitation are shown here.</small>
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Subject</label>
                                <input type="text" class="form-control" id="inviteSubject" name="subject" value="Review Request: {{ $manuscript->title }}" required>
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Message</label>
                                <textarea class="form-control" id="inviteMessage" name="message" rows="5" placeholder="Optional note to reviewer"></textarea>
                            </div>
                            <div class="text-end">
                                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
                                <button type="submit" class="btn btn-primary">Send Invitation</button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

        <div class="modal fade" id="sendDataModal" tabindex="-1" aria-hidden="true">
            <div class="modal-dialog modal-dialog-centered">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title">Send Manuscript Data</h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <div class="modal-body">
                        <form id="sendDataForm">
                            @csrf
                            <div class="mb-3">
                                <label class="form-label">Reviewer Email</label>
                                <input type="email" class="form-control" id="sendDataRecipient" name="recipient_email" readonly required>
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Subject</label>
                                <input type="text" class="form-control" id="sendDataSubject" name="subject" value="Manuscript Data: {{ $manuscript->title }}" required>
                            </div>
                            <div class="mb-3">
                                <label class="form-label">Message</label>
                                <textarea class="form-control" id="sendDataMessage" name="message" rows="5" placeholder="Optional note to reviewer"></textarea>
                            </div>
                            <div class="text-end">
                                <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
                                <button type="submit" class="btn btn-primary">Send Data</button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>

        <script>
            document.addEventListener('DOMContentLoaded', function () {
                var inviteForm = document.getElementById('inviteReviewerForm');
                var inviteRecipient = document.getElementById('inviteRecipient');

                if (!inviteForm) {
                    return;
                }

                inviteForm.addEventListener('submit', function (e) {
                    e.preventDefault();

                    if (!inviteRecipient || !inviteRecipient.value) {
                        alert('Please select reviewer email.');
                        return;
                    }

                    var formData = new FormData(inviteForm);
                    var csrfToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content');

                    fetch("{{ route('frontend.manuscript.invite-reviewer', $manuscript->id) }}", {
                        method: 'POST',
                        headers: {
                            'X-CSRF-TOKEN': csrfToken,
                            'X-Requested-With': 'XMLHttpRequest',
                            'Accept': 'application/json'
                        },
                        body: formData
                    })
                    .then(async function (response) {
                        var data = await response.json();
                        if (!response.ok) {
                            throw data;
                        }
                        return data;
                    })
                    .then(function (data) {
                        alert(data.message || 'Invitation sent successfully.');
                        inviteForm.reset();
                        var modalEl = document.getElementById('inviteReviewerModal');
                        var modal = bootstrap.Modal.getInstance(modalEl);
                        if (modal) {
                            modal.hide();
                        }
                        window.location.reload();
                    })
                    .catch(function (error) {
                        var message = error?.message || 'Failed to send invitation.';
                        if (error?.errors) {
                            var allErrors = Object.values(error.errors).flat();
                            message = allErrors.join('\n');
                        }
                        alert(message);
                    });
                });

                var sendDataModal = document.getElementById('sendDataModal');
                var sendDataForm = document.getElementById('sendDataForm');

                if (sendDataModal) {
                    sendDataModal.addEventListener('show.bs.modal', function (event) {
                        var button = event.relatedTarget;
                        var email = button?.getAttribute('data-email') || '';
                        var recipientInput = document.getElementById('sendDataRecipient');
                        if (recipientInput) {
                            recipientInput.value = email;
                        }
                    });
                }

                if (sendDataForm) {
                    sendDataForm.addEventListener('submit', function (e) {
                        e.preventDefault();

                        var formData = new FormData(sendDataForm);
                        var csrfToken = document.querySelector('meta[name="csrf-token"]')?.getAttribute('content');

                        fetch("{{ route('frontend.manuscript.send-data-email', $manuscript->id) }}", {
                            method: 'POST',
                            headers: {
                                'X-CSRF-TOKEN': csrfToken,
                                'X-Requested-With': 'XMLHttpRequest',
                                'Accept': 'application/json'
                            },
                            body: formData
                        })
                        .then(async function (response) {
                            var data = await response.json();
                            if (!response.ok) {
                                throw data;
                            }
                            return data;
                        })
                        .then(function (data) {
                            alert(data.message || 'Manuscript data sent successfully.');
                            var modal = bootstrap.Modal.getInstance(sendDataModal);
                            if (modal) {
                                modal.hide();
                            }
                            sendDataForm.reset();
                        })
                        .catch(function (error) {
                            var message = error?.message || 'Failed to send manuscript data.';
                            if (error?.errors) {
                                var allErrors = Object.values(error.errors).flat();
                                message = allErrors.join('\n');
                            }
                            alert(message);
                        });
                    });
                }
            });
        </script>
    @endif
@endsection