<?php

namespace App\Http\Controllers\Frontdesk;

use App\Http\Controllers\Controller;
use App\Http\Controllers\Frontdesk\Concerns\ScopesToAccount;
use App\Models\WebhookEndpoint;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class IntegrationController extends Controller
{
    use ScopesToAccount;

    public function edit(Request $request): View
    {
        $this->authorizeAbility($request, 'settings.view');
        $organization = $this->organization($request);
        $canManage = app(\App\Services\Frontdesk\FrontdeskPermissions::class)
            ->isAdmin($this->member($request));

        $webhook = WebhookEndpoint::owned($this->ownerRef($request))
            ->where('organization_id', $organization->id)
            ->first();

        return view('frontdesk.integrations.edit', [
            'organization' => $organization,
            'canManage' => $canManage,
            'webhook' => $webhook,
            'webhookEvents' => config('frontdesk.webhook_events', []),
            'integrations' => config('frontdesk.integrations', []),
            'icalUrl' => $this->signedIcalUrl($organization->id, $this->ownerRef($request)),
        ]);
    }

    public function update(Request $request): RedirectResponse
    {
        $this->authorizeAbility($request, 'settings.manage');
        $organization = $this->organization($request);

        $validated = $request->validate([
            'webhook_url' => ['nullable', 'url', 'max:500'],
            'webhook_secret' => ['nullable', 'string', 'max:128'],
            'webhook_events' => ['nullable', 'array'],
            'webhook_events.*' => ['string'],
            'webhook_active' => ['boolean'],
        ]);

        if (empty($validated['webhook_url'])) {
            WebhookEndpoint::owned($this->ownerRef($request))
                ->where('organization_id', $organization->id)
                ->delete();

            return back()->with('success', 'Integration settings saved.');
        }

        WebhookEndpoint::updateOrCreate(
            [
                'owner_ref' => $this->ownerRef($request),
                'organization_id' => $organization->id,
            ],
            [
                'url' => $validated['webhook_url'],
                'secret' => $validated['webhook_secret'] ?? null,
                'events' => array_values($validated['webhook_events'] ?? config('frontdesk.webhook_events')),
                'is_active' => $request->boolean('webhook_active', true),
            ],
        );

        return back()->with('success', 'Integration settings saved.');
    }

    protected function signedIcalUrl(int $organizationId, string $ownerRef): string
    {
        $token = hash_hmac('sha256', "{$organizationId}:{$ownerRef}", (string) config('app.key'));

        return route('frontdesk.integrations.ical', [
            'organization' => $organizationId,
            'owner' => $ownerRef,
            'token' => $token,
        ]);
    }
}