<?php

declare(strict_types=1);

namespace Mummert\SurveyBundle\Repository;

use Contao\CoreBundle\Framework\ContaoFramework;
use Doctrine\DBAL\Connection;
use Mummert\SurveyBundle\Model\SurveyConditionModel;

final class SurveyConditionRepository
{
    public function __construct(
        private readonly Connection $connection,
        private readonly ContaoFramework $framework,
    ) {
    }

    public function findById(int $id): ?SurveyConditionModel
    {
        $adapter = $this->framework->getAdapter(SurveyConditionModel::class);
        $model = $adapter->findByPk($id);

        return $model instanceof SurveyConditionModel ? $model : null;
    }

    public function findMatchingCondition(int $surveyId, int $sourceQuestionId, string $answerValue): ?SurveyConditionModel
    {
        $id = $this->connection->fetchOne(
            'SELECT id FROM tl_survey_condition WHERE pid = ? AND sourceQuestion = ? AND LOWER(TRIM(answerValue)) = LOWER(TRIM(?)) ORDER BY id ASC LIMIT 1',
            [$surveyId, $sourceQuestionId, $answerValue],
        );

        return false === $id ? null : $this->findById((int) $id);
    }

    /**
     * @return list<array<string, mixed>>
     */
    public function findOverviewBySurvey(int $surveyId): array
    {
        return $this->connection->fetchAllAssociative(
            <<<'SQL'
                SELECT
                    c.id,
                    c.answerValue,
                    c.sourceQuestion,
                    c.targetQuestion,
                    source.question AS sourceQuestionLabel,
                    target.question AS targetQuestionLabel
                FROM tl_survey_condition c
                LEFT JOIN tl_survey_content source ON source.id = c.sourceQuestion
                LEFT JOIN tl_survey_content target ON target.id = c.targetQuestion
                WHERE c.pid = :survey
                ORDER BY source.sorting ASC, c.id ASC
            SQL,
            ['survey' => $surveyId],
        );
    }

    public function create(int $surveyId, array $data): SurveyConditionModel
    {
        $this->connection->insert('tl_survey_condition', [
            'pid' => $surveyId,
            'tstamp' => time(),
            'sourceQuestion' => (int) ($data['sourceQuestion'] ?? 0),
            'answerValue' => mb_strtolower(trim((string) ($data['answerValue'] ?? ''))),
            'targetQuestion' => (int) ($data['targetQuestion'] ?? 0),
        ]);

        $id = (int) $this->connection->lastInsertId();

        return $this->findById($id) ?? throw new \RuntimeException('Bedingung konnte nicht angelegt werden.');
    }

    public function delete(int $surveyId, int $conditionId): void
    {
        $this->connection->delete('tl_survey_condition', [
            'id' => $conditionId,
            'pid' => $surveyId,
        ]);
    }
}