<?php

namespace App\Http\Controllers\Merchant;

use App\Http\Controllers\Controller;
use App\Models\CustomDomain;
use App\Models\QrCode;
use App\Services\CustomDomain\CustomDomainService;
use App\Services\CustomDomain\DomainsSslClient;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;

class CustomDomainController extends Controller
{
    public function __construct(
        private readonly CustomDomainService $service,
        private readonly DomainsSslClient $domains,
    ) {}

    public function store(Request $request, QrCode $storefront): RedirectResponse
    {
        abort_unless($storefront->user_id === $request->user()->id, 403);
        abort_unless($this->service->enabled(), 404);

        $data = $request->validate([
            'host' => ['required', 'string', 'max:255', 'regex:/^(?!-)([a-z0-9-]+\.)+[a-z]{2,}$/i'],
            'include_www' => ['nullable', 'boolean'],
        ]);

        $host = strtolower(preg_replace('/^www\./', '', trim($data['host'])));

        if (CustomDomain::where('host', $host)->exists()) {
            return back()->withErrors(['host' => 'That domain is already connected.']);
        }

        $this->service->attach($storefront, $host, (bool) ($data['include_www'] ?? true));

        // Surface this domain in Ladill Domains' "My Domains" (best-effort).
        $this->domains->registerConnected(
            $host,
            (string) $request->user()->public_id,
            'Storefront: '.$storefront->label,
            route('merchant.storefronts.show', $storefront),
        );

        return back()->with('success', "Domain added. Point an A record for {$host} (and www) to ".config('customdomain.server_ip').', then click Verify.');
    }

    public function verify(Request $request, CustomDomain $customDomain): RedirectResponse
    {
        abort_unless($customDomain->user_id === $request->user()->id, 403);

        [$ok, $message] = $this->service->verifyAndProvision($customDomain);

        return back()->with($ok ? 'success' : 'error', $message);
    }

    public function destroy(Request $request, CustomDomain $customDomain): RedirectResponse
    {
        abort_unless($customDomain->user_id === $request->user()->id, 403);

        $host = $customDomain->host;
        $customDomain->delete();
        $this->domains->removeConnected($host);

        return back()->with('success', 'Custom domain removed.');
    }
}