<?php

namespace App\Http\Controllers;

use App\Models\Transfer;
use App\Models\TransferFile;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SearchController extends Controller
{
    public function __invoke(Request $request): JsonResponse|View
    {
        $q = trim((string) $request->query('q'));
        $results = mb_strlen($q) >= 2 ? $this->results($q) : [];

        if ($request->expectsJson() || $request->ajax() || $request->wantsJson()) {
            return response()->json(['results' => $results]);
        }

        return view('search.index', [
            'query' => $q,
            'results' => $results,
        ]);
    }

    /** @return list<array{type: string, title: string, subtitle: string, url: string}> */
    private function results(string $q): array
    {
        $account = ladill_account();
        $like = '%'.$q.'%';
        $results = [];

        Transfer::query()
            ->where('user_id', $account->id)
            ->where('status', '!=', Transfer::STATUS_DELETED)
            ->where(function ($query) use ($like) {
                $query->where('title', 'like', $like)
                    ->orWhere('message', 'like', $like)
                    ->orWhere('recipient_email', 'like', $like);
            })
            ->withCount('files')
            ->latest()
            ->limit(8)
            ->get()
            ->each(function (Transfer $transfer) use (&$results) {
                $results[] = [
                    'type' => 'transfer',
                    'title' => $transfer->title,
                    'subtitle' => $transfer->files_count.' file'.($transfer->files_count === 1 ? '' : 's').' · '.$transfer->billingStatusLabel(),
                    'url' => route('transfer.transfers.show', $transfer),
                ];
            });

        TransferFile::query()
            ->whereHas('transfer', fn ($inner) => $inner
                ->where('user_id', $account->id)
                ->where('status', '!=', Transfer::STATUS_DELETED))
            ->where('original_name', 'like', $like)
            ->with('transfer')
            ->latest()
            ->limit(8)
            ->get()
            ->each(function (TransferFile $file) use (&$results) {
                $params = $file->transfer->is_folder
                    ? ['folder' => $file->transfer_id, 'q' => $file->original_name]
                    : ['q' => $file->original_name];

                $results[] = [
                    'type' => 'file',
                    'title' => $file->original_name,
                    'subtitle' => $file->humanSize().($file->transfer->is_folder ? ' · '.$file->transfer->title : ''),
                    'url' => route('transfer.files.index', $params),
                ];
            });

        return array_slice($results, 0, 15);
    }
}