<?php
declare(strict_types=1);

namespace App\Service\Dolibarr\DolibarrSync\SyncOperation;

use JetBrains\PhpStorm\Pure;

class DolibarrUpdateOperation extends DolibarrSyncOperation
{
    protected string $entity;
    protected int $id;

    #[Pure]
    public function __construct(string $label, string $entity, array $current, array $parameters) {
        $id = (int)$current['id'];

        parent::__construct(
            $label,
            'PUT',
            $entity . '/' . $id,
            $parameters,
            $current
        );

        $this->entity = $entity;
        $this->id = $id;
    }


    /**
     * Return an array of messages describing the change that this operation will bring
     *
     * @return array
     * @throws \Exception
     */
    public function getChangeLog(): array {
        $messages = [
            '[PUT ' . $this->entity . '/' . $this->id . ']'
        ];
        foreach ($this->parameters as $field => $newValue) {
            if (!array_key_exists($field, $this->currentData)) {
                throw new \Exception('Field does not exists in the current object data : ' . $field);
            }
            if (is_array($newValue)) {
                foreach ($newValue as $subField => $newSubValue) {
                    if (!array_key_exists($subField, $this->currentData[$field])) {
                        throw new \Exception('Field does not exists in the current object data : ' . $field . '.' . $subField);
                    }
                    if ($newSubValue !== $this->currentData[$field][$subField]) {
                        $messages[] = $field . '.' . $subField . ' : `'. $this->currentData[$field][$subField] . '` => `' . $newSubValue . '`';
                    }
                }
            } else {
                if ($newValue !== $this->currentData[$field]) {
                    $messages[] = $field . ' : `' . $this->currentData[$field] . '` => `' . $newValue . '`';
                }
            }
        }
        return $messages;
    }

}