@extends('layouts.app')

@section('title', $document->title . ' · ' . config('app.name'))
@section('page-title', 'Document Details')

@section('content')
    <div class="d-flex justify-content-between align-items-start mb-3 flex-wrap gap-2">
        <div class="d-flex gap-3 align-items-start">
            <x-document-thumb :document="$document" :size="150" data-thumbnail-preview />
            <div>
                <h2 class="h5 fw-semibold mb-1">{{ $document->title }}</h2>
                <div class="d-flex gap-2 align-items-center">
                    <x-status-badge :status="$document->status" />
                    <x-priority-badge :priority="$document->priority" />
                    <span class="text-secondary small">{{ $document->department->name }}</span>
                </div>
            </div>
        </div>
        <div class="d-flex gap-2">
            @if($document->status === 'completed')
                <a href="{{ route('documents.download', [$document, $document->latestVersion()->version_number]) }}" class="btn btn-success btn-sm"><i class="bi bi-patch-check"></i> Download Final Document</a>
            @endif
            <a href="{{ route('documents.download', $document) }}" class="btn btn-outline-primary btn-sm"><i class="bi bi-download"></i> Download Original</a>
            @can('update', $document)
                <a href="{{ route('documents.edit', $document) }}" class="btn btn-outline-secondary btn-sm"><i class="bi bi-pencil"></i> Edit Details</a>
                @if($document->original_file_extension === 'docx')
                    <a href="{{ route('documents.editor', $document) }}" class="btn btn-primary btn-sm"><i class="bi bi-file-earmark-word"></i> Edit Document</a>
                @endif
            @endcan
        </div>
    </div>

    <div class="row g-3">
        <div class="col-lg-8">
            <div class="card mb-3">
                <div class="card-header bg-white fw-semibold">Description</div>
                <div class="card-body">
                    <p class="mb-2">{{ $document->description ?: 'No description provided.' }}</p>
                    @if($document->tags->isNotEmpty())
                        <div class="d-flex gap-1 flex-wrap">
                            @foreach($document->tags as $tag)
                                <span class="badge bg-secondary-subtle text-secondary">#{{ $tag->name }}</span>
                            @endforeach
                        </div>
                    @endif
                </div>
            </div>

            {{-- Workflow Actions --}}
            <div class="card mb-3">
                <div class="card-header bg-white fw-semibold">Workflow Actions</div>
                <div class="card-body">
                    <div class="d-flex flex-wrap gap-2 mb-3">
                        @can('update', $document)
                            @if($document->status === 'draft')
                                <form method="POST" action="{{ route('documents.workflow.submit', $document) }}" class="d-inline">
                                    @csrf
                                    <button type="submit" class="btn btn-sm btn-primary"><i class="bi bi-send"></i> Submit for Review</button>
                                </form>
                            @endif
                        @endcan

                        @can('approve', $document)
                            @if($document->status === 'under_review')
                                <button type="button" class="btn btn-sm btn-success" data-bs-toggle="collapse" data-bs-target="#approveForm"><i class="bi bi-check-circle"></i> Approve</button>
                                <button type="button" class="btn btn-sm btn-danger" data-bs-toggle="collapse" data-bs-target="#rejectForm"><i class="bi bi-x-circle"></i> Reject</button>
                                <button type="button" class="btn btn-sm btn-warning" data-bs-toggle="collapse" data-bs-target="#requestChangesForm"><i class="bi bi-arrow-repeat"></i> Request Changes</button>
                                <button type="button" class="btn btn-sm btn-outline-secondary" data-bs-toggle="collapse" data-bs-target="#sendBackForm"><i class="bi bi-arrow-left-circle"></i> Send Back</button>
                            @endif
                            @if($document->status === 'rejected')
                                <button type="button" class="btn btn-sm btn-outline-secondary" data-bs-toggle="collapse" data-bs-target="#sendBackForm"><i class="bi bi-arrow-left-circle"></i> Send Back to Draft</button>
                            @endif
                        @endcan

                        @if($document->status === 'completed')
                            <span class="text-secondary small">No further actions — document is completed.</span>
                        @endif
                    </div>

                    @can('approve', $document)
                        <div class="collapse" id="approveForm">
                            @include('documents.partials.workflow-form', ['action' => 'approve', 'label' => 'Confirm Approval', 'style' => 'success', 'icon' => 'bi-check-circle'])
                        </div>
                        <div class="collapse" id="rejectForm">
                            @include('documents.partials.workflow-form', ['action' => 'reject', 'label' => 'Confirm Rejection', 'style' => 'danger', 'icon' => 'bi-x-circle'])
                        </div>
                        <div class="collapse" id="requestChangesForm">
                            @include('documents.partials.workflow-form', ['action' => 'request-changes', 'label' => 'Send for Changes', 'style' => 'warning', 'icon' => 'bi-arrow-repeat'])
                        </div>
                        <div class="collapse" id="sendBackForm">
                            @include('documents.partials.workflow-form', ['action' => 'send-back', 'label' => 'Send Back to Draft', 'style' => 'secondary', 'icon' => 'bi-arrow-left-circle'])
                        </div>
                    @endcan
                </div>
            </div>

            {{-- Remarks / Discussion --}}
            <div class="card mb-3">
                <div class="card-header bg-white fw-semibold">Remarks</div>
                <ul class="list-group list-group-flush">
                    @forelse($document->remarks as $remark)
                        <li class="list-group-item">
                            <div class="d-flex justify-content-between">
                                <strong class="small">{{ $remark->user->name }}</strong>
                                <span class="text-secondary" style="font-size:.75rem;">{{ $remark->created_at->format('d M Y, h:i A') }}</span>
                            </div>
                            <div class="text-secondary" style="font-size:.75rem;">
                                {{ $remark->user->department?->name }} &middot; {{ $remark->user->rank?->name }}
                            </div>
                            <p class="mb-0 mt-1">{{ $remark->body }}</p>
                        </li>
                    @empty
                        <li class="list-group-item text-secondary small">No remarks yet.</li>
                    @endforelse
                </ul>
                @can('addRemark', $document)
                    <div class="card-body">
                        <form method="POST" action="{{ route('documents.remarks.store', $document) }}">
                            @csrf
                            <textarea name="body" rows="2" class="form-control @error('body') is-invalid @enderror" placeholder="Add a remark..."></textarea>
                            @error('body')<div class="invalid-feedback">{{ $message }}</div>@enderror
                            <button type="submit" class="btn btn-sm btn-primary mt-2"><i class="bi bi-chat-left-text"></i> Post Remark</button>
                        </form>
                    </div>
                @endcan
            </div>
        </div>

        <div class="col-lg-4">
            <div class="card mb-3">
                <div class="card-header bg-white fw-semibold">Assigned Staff</div>
                <ul class="list-group list-group-flush">
                    @foreach($document->assignees as $assignee)
                        <li class="list-group-item d-flex justify-content-between align-items-center">
                            <div>
                                <div class="small fw-semibold">{{ $assignee->name }}</div>
                                <div class="text-secondary" style="font-size:.7rem;">{{ $assignee->designation?->name }}</div>
                            </div>
                            <x-role-chip :role="$assignee->getRoleNames()->first()" />
                        </li>
                    @endforeach
                </ul>
            </div>

            <div class="card mb-3">
                <div class="card-header bg-white fw-semibold">Version History</div>
                <ul class="list-group list-group-flush">
                    @foreach($document->versions as $version)
                        <li class="list-group-item">
                            <div class="d-flex justify-content-between align-items-start gap-2">
                                <div class="d-flex align-items-center gap-2">
                                    <strong class="small">Version {{ $version->version_number }}</strong>
                                    @if($document->status === 'completed' && $version->version_number === $document->latestVersion()->version_number)
                                        <span class="badge bg-success-subtle text-success">Final</span>
                                    @endif
                                </div>
                                <div class="d-flex gap-2 flex-shrink-0">
                                    @if(! $version->is_original && strtolower(pathinfo($version->file_path, PATHINFO_EXTENSION)) === 'docx')
                                        <a href="{{ route('documents.versions.changes', [$document, $version->version_number]) }}" class="small">View Changes</a>
                                    @endif
                                    <a href="{{ route('documents.download', [$document, $version->version_number]) }}" class="small">Download</a>
                                </div>
                            </div>
                            <div class="text-secondary" style="font-size:.7rem;">
                                {{ $version->editor->name }} &middot; {{ $version->created_at->format('d M Y, h:i A') }}
                            </div>
                            @if($version->remarks)
                                <div class="small mt-1">{{ $version->remarks }}</div>
                            @endif
                        </li>
                    @endforeach
                </ul>
                @can('update', $document)
                    <div class="card-body border-top">
                        <form method="POST" action="{{ route('documents.versions.store', $document) }}" enctype="multipart/form-data">
                            @csrf
                            <label class="form-label small fw-semibold mb-1">Upload New Version</label>
                            <input type="file" name="file" accept=".doc,.docx,.pdf" required class="form-control form-control-sm mb-2 @error('file') is-invalid @enderror">
                            @error('file')<div class="invalid-feedback d-block small">{{ $message }}</div>@enderror
                            <button type="submit" class="btn btn-sm btn-outline-primary"><i class="bi bi-upload"></i> Upload</button>
                        </form>
                    </div>
                @endcan
            </div>

            <div class="card">
                <div class="card-header bg-white fw-semibold">Workflow History</div>
                <ul class="list-group list-group-flush">
                    @forelse($document->workflowLogs as $log)
                        <li class="list-group-item">
                            <div class="small">
                                <strong>{{ $log->user->name }}</strong> {{ str_replace('_', ' ', $log->action) }}
                                ({{ ucwords(str_replace('_', ' ', $log->from_status)) }} &rarr; {{ ucwords(str_replace('_', ' ', $log->to_status)) }})
                            </div>
                            <div class="text-secondary" style="font-size:.7rem;">{{ $log->created_at->format('d M Y, h:i A') }}</div>
                            @if($log->remarks)
                                <div class="small mt-1 fst-italic">"{{ $log->remarks }}"</div>
                            @endif
                        </li>
                    @empty
                        <li class="list-group-item text-secondary small">No workflow activity yet.</li>
                    @endforelse
                </ul>
            </div>
        </div>
    </div>

    @php
        $shouldGenerateThumbnail = in_array($document->original_file_extension, ['pdf', 'docx'], true)
            && (! $document->thumbnail_path || session('regenerate_thumbnail'));
    @endphp
    <div id="thumbnail-generator"
         data-extension="{{ $document->original_file_extension }}"
         data-should-generate="{{ $shouldGenerateThumbnail ? '1' : '0' }}"
         data-source-url="{{ route('documents.source', $document) }}"
         data-upload-url="{{ route('documents.thumbnail.store', $document) }}"
         hidden></div>
@endsection

@push('scripts')
    @vite(['resources/js/document-thumbnail.js'])
@endpush