<?php

namespace App\Http\Controllers\Hosting;

use App\Http\Controllers\Controller;
use App\Models\CustomerHostingOrder;
use App\Models\HostingAccount;
use App\Models\HostingProduct;
use App\Services\Hosting\HostingAccessResolver;
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 ? $this->resultsForUser($request->user(), $q) : [];

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

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

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

        $push = function (array $item) use (&$results, &$seenUrls): void {
            if (isset($seenUrls[$item['url']])) {
                return;
            }
            $seenUrls[$item['url']] = true;
            $results[] = $item;
        };

        $sharedTypes = [
            HostingProduct::TYPE_SINGLE_DOMAIN,
            HostingProduct::TYPE_MULTI_DOMAIN,
            HostingProduct::TYPE_WORDPRESS,
        ];

        $sharedAccountIds = app(HostingAccessResolver::class)->sharedAccountIds($user);

        HostingAccount::query()
            ->where(function ($query) use ($user, $sharedAccountIds) {
                $query->where('user_id', $user->id);
                if ($sharedAccountIds->isNotEmpty()) {
                    $query->orWhereIn('id', $sharedAccountIds);
                }
            })
            ->whereHas('product', fn ($query) => $query->whereIn('type', $sharedTypes))
            ->where(function ($query) use ($like) {
                $query->where('username', 'like', $like)
                    ->orWhere('primary_domain', 'like', $like)
                    ->orWhereHas('sites', fn ($sites) => $sites->where('domain', 'like', $like));
            })
            ->with(['product', 'sites'])
            ->orderByDesc('updated_at')
            ->limit(8)
            ->get()
            ->each(function (HostingAccount $account) use ($push, $user): void {
                $sharedDeveloperAccess = (int) $account->user_id !== (int) $user->id;
                $push([
                    'type' => 'hosting',
                    'title' => $account->linkedDomainLabel() ?? $account->username,
                    'subtitle' => ($account->product?->name ?? 'Hosting').' · '.ucfirst((string) $account->status),
                    'url' => $sharedDeveloperAccess
                        ? route('hosting.panel.index', $account)
                        : route('hosting.accounts.show', $account),
                ]);
            });

        CustomerHostingOrder::query()
            ->forUser($user->id)
            ->whereHas('product', fn ($query) => $query->whereIn('type', $sharedTypes))
            ->where(function ($query) use ($like) {
                $query->where('domain_name', 'like', $like)
                    ->orWhere('server_ip', 'like', $like);
            })
            ->with('product')
            ->orderByDesc('updated_at')
            ->limit(5)
            ->get()
            ->each(function (CustomerHostingOrder $order) use ($push): void {
                $push([
                    'type' => 'order',
                    'title' => $order->domain_name ?: ($order->product?->name ?? 'Hosting order #'.$order->id),
                    'subtitle' => 'Hosting order · '.ucwords(str_replace('_', ' ', (string) $order->status)),
                    'url' => route('hosting.orders.show', $order),
                ]);
            });

        return array_slice($results, 0, 12);
    }
}