@extends('layouts.app')

@section('title', 'Upload Document · ' . config('app.name'))
@section('page-title', 'Upload Document')

@section('content')
    <div class="card">
        <div class="card-header bg-white fw-semibold">Upload Document</div>
        <div class="card-body">
            <form method="POST" action="{{ route('documents.store') }}" enctype="multipart/form-data">
                @csrf

                <div class="row g-3">
                    <div class="col-md-8">
                        <label class="form-label small fw-semibold">Title</label>
                        <input type="text" name="title" value="{{ old('title') }}" class="form-control @error('title') is-invalid @enderror">
                        @error('title')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-md-4">
                        <label class="form-label small fw-semibold">Priority</label>
                        <select name="priority" class="form-select @error('priority') is-invalid @enderror">
                            <option value="medium" @selected(old('priority') === 'medium')>Medium</option>
                            <option value="high" @selected(old('priority') === 'high')>High</option>
                            <option value="low" @selected(old('priority') === 'low')>Low</option>
                        </select>
                        @error('priority')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-12">
                        <label class="form-label small fw-semibold">Description</label>
                        <textarea name="description" rows="3" class="form-control @error('description') is-invalid @enderror">{{ old('description') }}</textarea>
                        @error('description')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-semibold">Department</label>
                        <select name="department_id" class="form-select @error('department_id') is-invalid @enderror" @disabled($isDepartmentAdmin)>
                            @unless($isDepartmentAdmin)
                                <option value="">Select department</option>
                            @endunless
                            @foreach($departments as $department)
                                <option value="{{ $department->id }}" @selected((string) old('department_id', $isDepartmentAdmin ? $departments->first()?->id : '') === (string) $department->id)>{{ $department->name }}</option>
                            @endforeach
                        </select>
                        @if($isDepartmentAdmin)
                            {{-- Disabled selects aren't submitted, so mirror the value in a hidden field --}}
                            <input type="hidden" name="department_id" value="{{ $departments->first()?->id }}">
                            <div class="form-text">You can only upload within your own department.</div>
                        @endif
                        @error('department_id')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-md-6">
                        <label class="form-label small fw-semibold">Document File (DOCX, DOC, PDF)</label>
                        <input type="file" name="file" class="form-control @error('file') is-invalid @enderror" accept=".doc,.docx,.pdf">
                        @error('file')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-12">
                        <label class="form-label small fw-semibold">Tags <span class="text-secondary fw-normal">(comma separated)</span></label>
                        <input type="text" name="tags" value="{{ old('tags') }}" class="form-control @error('tags') is-invalid @enderror" placeholder="e.g. SOP, Safety, Q3">
                        @error('tags')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-12">
                        <label class="form-label small fw-semibold">Initial Remarks</label>
                        <textarea name="remarks" rows="2" class="form-control @error('remarks') is-invalid @enderror">{{ old('remarks') }}</textarea>
                        @error('remarks')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="col-12">
                        <div class="form-check form-switch border rounded p-2 ps-5 bg-light">
                            <input class="form-check-input" type="checkbox" name="visible_to_all" value="1" id="visible_to_all" @checked(old('visible_to_all'))>
                            <label class="form-check-label small fw-semibold" for="visible_to_all">
                                Visible to all staff
                                <span class="text-secondary fw-normal">&mdash; every user can view, download and add remarks (no editing). Assigning staff below is optional when this is on.</span>
                            </label>
                        </div>
                    </div>

                    @if($workflowStages->isNotEmpty())
                        <div class="col-12">
                            <label class="form-label small fw-semibold">Approval Hierarchy
                                <span class="text-secondary fw-normal">(tick who fills each stage for this document &mdash; turn on <em>Can edit</em> for whoever should be able to edit at that point)</span>
                            </label>
                            <div class="border rounded p-3 @error('assignees') is-invalid @enderror" style="max-height: 420px; overflow-y: auto;">
                                <div class="d-flex flex-wrap align-items-stretch gap-2">
                                    @foreach($workflowStages as $entry)
                                        <div style="min-width: 220px;">
                                            <div class="fw-semibold small mb-1">
                                                <span class="badge bg-secondary-subtle text-secondary">{{ $loop->iteration }}</span>
                                                {{ $entry['stage']->name }}
                                            </div>
                                            <div class="d-flex flex-column gap-1">
                                                @forelse($entry['members'] as $member)
                                                    @include('documents.partials.assignee-row', ['member' => $member])
                                                @empty
                                                    <div class="text-secondary small fst-italic">No one holds this stage's designation yet.</div>
                                                @endforelse
                                            </div>
                                        </div>
                                        @unless($loop->last)
                                            <div class="d-flex align-items-center text-secondary fs-4">
                                                <i class="bi bi-arrow-right"></i>
                                            </div>
                                        @endunless
                                    @endforeach
                                </div>

                                @if($unstagedStaff->isNotEmpty())
                                    <hr>
                                    <div class="fw-semibold small mb-1">Other Staff <span class="text-secondary fw-normal">(not part of the hierarchy above)</span></div>
                                    <div class="row row-cols-1 row-cols-md-2 g-1">
                                        @foreach($unstagedStaff as $member)
                                            <div class="col">
                                                @include('documents.partials.assignee-row', ['member' => $member])
                                            </div>
                                        @endforeach
                                    </div>
                                @endif
                            </div>
                            @error('assignees')<div class="invalid-feedback d-block">{{ $message }}</div>@enderror
                            @error('editors')<div class="invalid-feedback d-block">{{ $message }}</div>@enderror
                        </div>
                    @else
                        <div class="col-12">
                            <label class="form-label small fw-semibold">Assign Staff
                                <span class="text-secondary fw-normal">(everyone selected shares the same document &mdash; turn on <em>Can edit</em> to let that person edit it; leave it off for view &amp; remarks only)</span>
                            </label>
                            <div class="border rounded p-3 @error('assignees') is-invalid @enderror" style="max-height: 320px; overflow-y: auto;">
                                @foreach($staff->groupBy(fn($u) => $u->getRoleNames()->first() ?? 'unassigned') as $role => $members)
                                    <div class="mb-2">
                                        <div class="fw-semibold small mb-1"><x-role-chip :role="$role" /></div>
                                        <div class="row row-cols-1 row-cols-md-2 g-1 ms-2">
                                            @foreach($members as $member)
                                                <div class="col">
                                                    @include('documents.partials.assignee-row', ['member' => $member])
                                                </div>
                                            @endforeach
                                        </div>
                                    </div>
                                @endforeach
                            </div>
                            @error('assignees')<div class="invalid-feedback d-block">{{ $message }}</div>@enderror
                            @error('editors')<div class="invalid-feedback d-block">{{ $message }}</div>@enderror
                        </div>
                    @endif
                </div>

                <div class="mt-4">
                    <button type="submit" class="btn btn-primary"><i class="bi bi-upload"></i> Upload &amp; Assign</button>
                    <a href="{{ route('documents.index') }}" class="btn btn-outline-secondary"><i class="bi bi-x-lg"></i> Cancel</a>
                </div>
            </form>
        </div>
    </div>
@endsection

@push('scripts')
    <script>
        // A "Can edit" switch only applies to someone who is actually assigned,
        // so keep it disabled (and unchecked) until their assignee box is ticked.
        document.querySelectorAll('.assignee-check').forEach(function (assignee) {
            var editor = document.querySelector('.editor-check[data-assignee="' + assignee.id + '"]');
            if (!editor) return;

            assignee.addEventListener('change', function () {
                editor.disabled = !assignee.checked;
                if (!assignee.checked) {
                    editor.checked = false;
                }
            });
        });
    </script>
@endpush