<?php
/**
 * OpposingAccountIban.php
 * Copyright (C) 2016 thegrumpydictator@gmail.com
 *
 * This software may be modified and distributed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International License.
 *
 * See the LICENSE file for details.
 */

declare(strict_types = 1);

namespace FireflyIII\Import\Converter;

use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use Log;

/**
 * Class OpposingAccountIban
 *
 * @package FireflyIII\Import\Converter
 */
class OpposingAccountIban extends BasicConverter implements ConverterInterface
{

    /**
     * @param $value
     *
     * @return Account
     */
    public function convert($value): Account
    {
        $value = trim($value);
        Log::debug('Going to convert opposing IBAN', ['value' => $value]);

        if (strlen($value) === 0) {
            $this->setCertainty(0);

            return new Account;
        }

        /** @var AccountRepositoryInterface $repository */
        $repository = app(AccountRepositoryInterface::class);
        $repository->setUser($this->user);


        if (isset($this->mapping[$value])) {
            Log::debug('Found account in mapping. Should exist.', ['value' => $value, 'map' => $this->mapping[$value]]);
            $account = $repository->find(intval($this->mapping[$value]));
            if (!is_null($account->id)) {
                Log::debug('Found account by ID', ['id' => $account->id]);
                $this->setCertainty(100);

                return $account;
            }
        }

        // not mapped? Still try to find it first:
        $account = $repository->findByIban($value, []);
        if (!is_null($account->id)) {
            Log::debug('Found account by IBAN', ['id' => $account->id]);
            Log::info(
                'The match between IBAN and account is uncertain because the type of transactions may not have been determined.',
                ['id' => $account->id, 'iban' => $value]
            );
            $this->setCertainty(50);

            return $account;
        }

        // the IBAN given may not be a valid IBAN. If not, we cannot store by
        // iban and we have no opposing account. There should be some kind of fall back
        // routine.
        try {
            $account = $repository->store(
                ['name'           => $value, 'iban' => $value, 'user' => $this->user->id, 'accountType' => 'import', 'virtualBalance' => 0, 'active' => true,
                 'openingBalance' => 0]
            );
            $this->setCertainty(100);
        } catch (FireflyException $e) {
            Log::error($e);

            $account = new Account;
        }

        return $account;
    }
}