<?php

namespace App\Http\Resources;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class PublicDocumentCollectionResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        return [
            'id' => $this->id,
            'slug' => $this->public_uuid,
            'public_uuid' => $this->public_uuid,
            'title' => $this->title,
            'document_number' => $this->document_number,
            'summary' => $this->description,
            'description' => $this->description,
            'status' => $this->status,
            'status_label' => $this->getStatusLabel(),
            'access_level' => $this->access_level,
            'access_level_label' => $this->getAccessLevelLabel(),
            'published_at' => $this->created_at?->toIso8601String(),
            'updated_at' => $this->updated_at?->toIso8601String(),
            'expires_at' => $this->expires_at?->toDateString(),
            'version_count' => $this->version_count,
            'category' => $this->whenLoaded('category', function () {
                return [
                    'id' => $this->category->id,
                    'name' => $this->category->name,
                    'slug' => $this->category->slug,
                    'icon' => $this->category->icon,
                ];
            }),
            'current_version' => $this->whenLoaded('currentVersion', function () {
                if (! $this->currentVersion) {
                    return null;
                }

                return [
                    'id' => $this->currentVersion->id,
                    'version_number' => $this->currentVersion->version_number,
                    'version_notes' => $this->currentVersion->version_notes,
                    'is_current' => (bool) $this->currentVersion->is_current,
                    'original_filename' => $this->currentVersion->original_filename,
                    'mime_type' => $this->currentVersion->mime_type,
                    'file_extension' => $this->currentVersion->getFileExtension(),
                    'file_size' => $this->currentVersion->file_size,
                    'file_size_human' => $this->currentVersion->getFileSizeHuman(),
                    'file_hash' => $this->currentVersion->file_hash,
                    'uploaded_by' => $this->currentVersion->uploadedBy?->name,
                    'uploaded_at' => $this->currentVersion->uploaded_at?->toIso8601String(),
                    'download_url' => route('documents.public.download', $this->public_uuid),
                ];
            }),
            'links' => [
                'api_url' => url('/api/v1/public-documents/'.$this->public_uuid),
                'detail_url' => route('documents.public.show', $this->public_uuid),
                'web_url' => route('documents.public.show', $this->public_uuid),
                'download_url' => route('documents.public.download', $this->public_uuid),
            ],
            'metadata' => [
                'document_type' => $this->category?->name,
                'expiration_status' => $this->getExpirationStatusLabel(),
                'auto_archive_on_expiry' => (bool) $this->auto_archive_on_expiry,
                'expiry_notice' => $this->expiry_notice,
            ],
        ];
    }
}