<?php

namespace App\Http\Controllers\Legacy;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use App\Services\LegacyService;

class TopFavouritesController extends Controller
{
    public function index(Request $request)
    {
        $hits = 21;
        $page = max(1, (int) $request->query('page', 1));

        $base = DB::table('artworks_favourites as t1')
            ->rightJoin('wallz as t2', 't1.artwork_id', '=', 't2.id')
            ->where('t2.approved', 1)
            ->select('t2.id', 't2.name', 't2.picture', 't2.category', DB::raw('COUNT(*) as num'))
            ->groupBy('t1.artwork_id');

        try {
            $paginator = (clone $base)->orderBy('num', 'desc')->paginate($hits)->withQueryString();
        } catch (\Throwable $e) {
            $paginator = collect();
        }

        // Map artworks to include expected properties for legacy card view
        if ($paginator && method_exists($paginator, 'getCollection')) {
            $paginator->getCollection()->transform(function ($row) {
                $row->slug = $row->slug ?? Str::slug($row->name ?? '');
                $ext = pathinfo($row->picture ?? '', PATHINFO_EXTENSION) ?: 'jpg';
                $encoded = \App\Helpers\Thumb::encodeId((int) $row->id);
                $row->encoded = $encoded;
                $row->ext = $ext;
                try {
                    $art = \App\Models\Artwork::find($row->id);
                    $present = \App\Services\ThumbnailPresenter::present($art ?: (array) $row, 'md');
                    $row->thumb = $row->thumb ?? $present['url'];
                    $row->thumb_srcset = $row->thumb_srcset ?? ($present['srcset'] ?? $present['url']);
                } catch (\Throwable $e) {
                    $present = \App\Services\ThumbnailPresenter::present((array) $row, 'md');
                    $row->thumb = $row->thumb ?? $present['url'];
                    $row->thumb_srcset = $row->thumb_srcset ?? ($present['srcset'] ?? $present['url']);
                }
                $row->gid_num = ((int)($row->category ?? 0) % 5) * 5;
                return $row;
            });
        }

        $page_title = 'Top Favourites';

        return view('legacy.top-favourites', ['page_title' => $page_title, 'artworks' => $paginator]);
    }
}