<?php

namespace App\Services;

use App\Helpers\ActiveCampaignHelper;
use App\Models\ActiveCampaignList;
use Exception;

class ActiveCampaignService extends AbstractService
{

    private ActiveCampaignHelper $activeCampaignHelper;

    public function __construct(ActiveCampaignHelper $activeCampaignHelper)
    {
        $this->activeCampaignHelper = $activeCampaignHelper;
    }

    public function check(): bool
    {
        return $this->activeCampaignHelper->check();
    }

    private function getAllLists(): array
    {
        $lists = [];

        $limit = 20;
        $offset = 0;
        $totalCount = $limit;
        while ($offset < $totalCount) {
            $response = $this->activeCampaignHelper->getAllLists($limit, $offset);
            if (!$response->successful()) {
                $error = $response->json()['message'] ?? 'Unknown error';
                $this->lastError = $error;

                return [];
            }
            $response = $response->json();

            foreach ($response['lists'] as $list) {
                $lists[$list['id']] = $list['name'];
            }

            $totalCount = $response['meta']['total'] ?? 0;

            $offset += $limit;
        }

        return $lists;
    }

    public function syncLists(): bool
    {
        $this->cleanState();

        try {
            $this->addActionLog('Get all lists');
            $lists = $this->getAllLists();
        } catch (Exception $exception) {
            $this->lastError = $exception->getMessage();

            return false;
        }
        $this->addActionLog('All list count: ' . count($lists));

        $created = 0;
        $updated = 0;

        $createdLists = ActiveCampaignList::query()->get()->keyBy('ac_id');
        foreach ($lists as $id => $name) {
            if (in_array($id, $createdLists->keys()->toArray())) {
                /** @var ActiveCampaignList $createdList */
                $createdList = $createdLists[$id];
                if ($name === $createdList->name) {
                    continue;
                }

                $createdList->name = $name;
                $createdList->save();
                $updated++;
            } else {
                $newAcList = new ActiveCampaignList(['ac_id' => $id, 'name' => $name]);
                $newAcList->save();
                $created++;
            }
        }

        $this->addActionLog('Created: ' . $created);
        $this->addActionLog('Updated: ' . $updated);

        return true;
    }

}