<?php

namespace App\Http\Controllers\Link;

use App\Http\Controllers\Controller;
use App\Models\LinkCustomDomain;
use App\Services\CustomDomain\DomainsSslClient;
use App\Services\CustomDomain\LinkCustomDomainService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

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

    public function index(Request $request): View
    {
        $account = ladill_account();

        return view('links.domains.index', [
            'domains' => $account->linkCustomDomains()->latest()->get(),
            'enabled' => $this->service->enabled(),
            'serverIp' => (string) config('customdomain.server_ip'),
            'publicDomain' => (string) config('link.public_domain', 'ladl.link'),
        ]);
    }

    public function store(Request $request): RedirectResponse
    {
        abort_unless($this->service->enabled(), 404);

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

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

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

        $domain = $this->service->attach(
            $request->user(),
            $host,
            (bool) ($data['include_www'] ?? true),
            (bool) ($data['make_default'] ?? false),
        );

        $this->domains->registerConnected(
            $host,
            (string) $request->user()->public_id,
            'Ladill Link',
            route('link.domains.index'),
        );

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

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

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

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

    public function makeDefault(Request $request, LinkCustomDomain $customDomain): RedirectResponse
    {
        abort_unless($customDomain->user_id === $request->user()->id, 403);
        abort_unless($customDomain->isLive(), 422);

        $this->service->setDefault($customDomain);

        return back()->with('success', $customDomain->host.' is now your default short-link domain.');
    }

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

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

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