<?php

namespace App\Jobs;

use App\Lib\CafelApi\Models\CafelClientModel;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Mail;
use Illuminate\Validation\ValidationException;

abstract class CafelJobs implements ShouldQueue
{
    use Dispatchable;
    use InteractsWithQueue;
    use Queueable;
    use SerializesModels;

    /**
     * Invalid Rows that should be reported.
     *
     * @var array
     */
    private $invalidRows = [];

    /**
     * Sync with with cafel api using paginate method.
     *
     * @param string   $apiClassName The CafelClientModel class to use.
     * @param string   $routeName    The route name to use.
     * @param array    $args         Arguments to pass.
     * @param callable $saveCallback The save callback to use.
     * @return void
     * @throws \ErrorException If $apiClassName is not a CafelClientModel class.
     */
    protected function syncWithCafelApi(string $apiClassName, string $routeName, array $args, callable $saveCallback)
    {
        if (!is_subclass_of($apiClassName, CafelClientModel::class)) {
            throw new \ErrorException(sprintf(
                '%s n\'est pas une class de type %s',
                $apiClassName,
                CafelClientModel::class
            ));
        }

        $pageNumber = 0;
        $perPage    = 100;

        $args = array_merge([
            'routeName' => $routeName,
            'page' => $pageNumber,
            'pageSize' => $perPage
        ], $args);

        do {
            /** @var array $result */
            $result = \forward_static_call_array([$apiClassName, 'paginate'], $args);

            $args['page'] = ++$pageNumber;

            foreach ($result as $row) {
                if (!is_array($row)) {
                    throw new \ErrorException(\sprintf(
                        'Unexpected type for $row got %s',
                        \gettype($row)
                    ));
                }
                try {
                    $saveCallback($row);
                } catch (ValidationException $e) {
                    $this->invalidRows[] = collect($row)->put('validation_message', collect($e->errors())
                        ->mapWithKeys(function (array $messages, string $attribute) {
                            return [$attribute => collect($messages)->implode(', ')];
                        })->implode(' '))->all();
                }
            }
        } while (!empty($result));
    }

    /**
     * Send an email with invalid rows
     *
     * @param array  $uniqueKeys
     * @param string $jobClass
     * @return void
     */
    protected function mailInvalidRows(array $uniqueKeys, string $jobClass)
    {
        /** @var array Unique Key columns */
        $invalidRowKeys = [];

        $uniqueKeys = \array_merge(['validation_message'], $uniqueKeys);

        \collect($this->invalidRows)
            ->map(function ($invalidRow) use ($uniqueKeys, &$invalidRowKeys) {
                $o = [];
                foreach ($uniqueKeys as $uField) {
                    $o[$uField] = $invalidRow[$uField];
                }
                $invalidRowKeys[] = $o;
            });
        if (!count($invalidRowKeys)) {
            return;
        }
        Mail::send('mails.invalidApiRows', [
            'invalidkeys' => $invalidRowKeys,
            'jobClass' => $jobClass
        ], function ($m) {
            $m->to(
                config('mail.contactsList.invalidCafel'),
                sprintf('%s Exception Handler', config('app.name'))
            )->subject('There are invalid data sheets provided by Cafel api.');
        });
    }
}