<?php

namespace App\Http\Requests\Contact;

use App\Rules\PersonName;
use App\Rules\TurnstileToken;
use App\Services\FormSpamGuard;
use App\Services\Util;
use Closure;
use Illuminate\Contracts\Validation\Validator;
use Illuminate\Foundation\Http\FormRequest;

class ContactStoreRequest extends FormRequest
{
    public const PHONE_PATTERN = '/^[0-9 +\-\/().]+$/';

    public const MAX_LINKS = 2;

    public function authorize(): bool
    {
        return true;
    }

    /**
     * @return array<string, array<int, mixed>>
     */
    public function rules(): array
    {
        $rules = [
            'salutation' => ['required', 'in:mr,ms'],
            'first_name' => ['required', 'string', new PersonName],
            'last_name' => ['required', 'string', new PersonName],
            'email' => ['required', 'email', 'max:255'],
            'phone' => ['nullable', 'string', 'max:30', 'regex:'.self::PHONE_PATTERN],
            'message' => ['required', 'string', 'max:3000', $this->maxLinksRule()],
            'accepted_data_protection' => ['accepted'],
            'cf-turnstile-response' => ['required', new TurnstileToken($this->ip())],
        ];

        if ($this->asksForSalesPartnership()) {
            $rules['sales_partnership'] = ['required', 'in:JA,NEIN'];
            $rules['sales_partnership_message'] = ['required_if:sales_partnership,JA', 'nullable', 'string', 'max:3000', $this->maxLinksRule()];
        }

        return $rules;
    }

    /**
     * @return array<string, string>
     */
    public function messages(): array
    {
        return [
            'phone.regex' => __('contact.phone_invalid'),
            'cf-turnstile-response.required' => __('form_protection.captcha_failed'),
        ];
    }

    /**
     * Abfrage zur Vertriebspartnerschaft nur auf der Hauptseite und im Firmen-Shop.
     */
    public function asksForSalesPartnership(): bool
    {
        $userShop = Util::getUserShop();

        return ! $userShop || $userShop->id === 22;
    }

    protected function failedValidation(Validator $validator): void
    {
        FormSpamGuard::log($this, 'contact', 'validation', ['fields' => array_keys($validator->failed())]);

        parent::failedValidation($validator);
    }

    private function maxLinksRule(): Closure
    {
        return function (string $attribute, mixed $value, Closure $fail): void {
            if (preg_match_all('~https?://|www\.~i', (string) $value) > self::MAX_LINKS) {
                $fail(__('contact.too_many_links'));
            }
        };
    }
}