<?php

namespace Zoomyboy\Owncloud\Components;

use Cache;
use Cms\Classes\ComponentBase;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Lang;
use Illuminate\Validation\Rule;
use Input;
use Mail;
use Winter\Storm\Support\Facades\Validator;
use Zoomyboy\Owncloud\Models\Settings;

class Form extends ComponentBase
{
    public array $groups = [];

    /**
     * Gets the details for the component.
     */
    public function componentDetails()
    {
        return [
            'name' => 'Form Component',
            'description' => 'No description provided yet...',
        ];
    }

    /**
     * Returns the properties provided by the component.
     */
    public function defineProperties()
    {
        return [];
    }

    public function onRun(): void
    {
        $groups = Cache::remember('oc_groupsa', 1, function () {
            return $this->getGroups();
        });
        $this->groups = collect($groups)
             ->filter(fn ($g) => !in_array($g, Settings::get('force_groups')))
             ->filter(fn ($g) => !in_array($g, Settings::get('disallowed_groups')))
             ->map(fn ($group) => ['id' => $group, 'name' => $group])
             ->toArray();
    }

    public function onSubmit()
    {
        $rules = [
            'firstname' => 'required|string|max:255',
            'lastname' => 'required|string|max:255',
            'username' => ['required', 'string', 'max:255', 'regex:/^[a-zA-Z0-9]+$/', Rule::notIn($this->getUsers())],
            'email' => 'required|email|string|max:255',
            'group' => 'required|string|max:255',
            'function' => 'required|string|max:255',
            'oc_groups' => 'present|array',
            'oc_groups.*' => 'string',
        ];
        $validator = Validator::make(Input::all(), $rules, [
            'username.not_in' => 'OwnCloud Nutzername wird bereits verwendet.',
            'username.regex' => 'OwnCloud Nutzername darf nur aus Buchstaben und Zahlen bestehen',
        ], Lang::get('zoomyboy.owncloud::validation.attributes'));

        if ($validator->fails()) {
            return response()->json($validator->errors(), 422);
        }

        $payload = base64_encode(json_encode($validator->validated()));
        Mail::send('owncloud_request', [
            'link' => url('/owncloud-confirm/'.$payload),
            'payload' => $validator->validated(),
        ], function ($message) {
            foreach (Settings::get('admins') as $admin) {
                $message->to($admin);
            }
        });

        dd('I');

        return response()->json([], 201);
    }

    private function getGroups(): array
    {
        $response = $this->getClient()->get('/ocs/v1.php/cloud/groups');

        $r = [];
        $xml = simplexml_load_string((string) $response->getBody());
        foreach ($xml->xpath('/ocs/data/groups/element') as $element) {
            $r[] = (string) $element;
        }

        return $r;
    }

    private function getUsers(): array
    {
        $response = $this->getClient()->get('/ocs/v1.php/cloud/users');

        $r = [];
        $xml = simplexml_load_string((string) $response->getBody());
        foreach ($xml->xpath('/ocs/data/users/element') as $element) {
            $r[] = (string) $element;
        }

        return $r;
    }

    private function getClient(): Client
    {
        $auth = base64_encode(Settings::get('username').':'.Settings::get('password'));

        return new Client(['base_uri' => Settings::get('url'), 'headers' => ['Authorization' => 'Basic '.$auth]]);
    }
}