<?php

namespace Modular\ConnectorDependencies\Carbon\Doctrine;

use Modular\ConnectorDependencies\Carbon\Carbon;
use Modular\ConnectorDependencies\Carbon\CarbonInterface;
use DateTimeInterface;
use Modular\ConnectorDependencies\Doctrine\DBAL\Platforms\AbstractPlatform;
use Modular\ConnectorDependencies\Doctrine\DBAL\Platforms\DB2Platform;
use Modular\ConnectorDependencies\Doctrine\DBAL\Platforms\OraclePlatform;
use Modular\ConnectorDependencies\Doctrine\DBAL\Platforms\SqlitePlatform;
use Modular\ConnectorDependencies\Doctrine\DBAL\Platforms\SQLServerPlatform;
use Modular\ConnectorDependencies\Doctrine\DBAL\Types\ConversionException;
use Exception;
/**
 * @template T of CarbonInterface
 */
trait CarbonTypeConverter
{
    /**
     * This property differentiates types installed by carbonphp/carbon-doctrine-types
     * from the ones embedded previously in nesbot/carbon source directly.
     *
     * @readonly
     */
    public bool $external = \true;
    /**
     * @return class-string<T>
     */
    protected function getCarbonClassName(): string
    {
        return Carbon::class;
    }
    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform): string
    {
        $precision = min($fieldDeclaration['precision'] ?? DateTimeDefaultPrecision::get(), $this->getMaximumPrecision($platform));
        $type = parent::getSQLDeclaration($fieldDeclaration, $platform);
        if (!$precision) {
            return $type;
        }
        if (str_contains($type, '(')) {
            return preg_replace('/\(\d+\)/', "({$precision})", $type);
        }
        [$before, $after] = explode(' ', "{$type} ");
        return trim("{$before}({$precision}) {$after}");
    }
    /**
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     *
     * @return T|null
     */
    public function convertToPHPValue($value, AbstractPlatform $platform)
    {
        $class = $this->getCarbonClassName();
        if ($value === null || is_a($value, $class)) {
            return $value;
        }
        if ($value instanceof DateTimeInterface) {
            return $class::instance($value);
        }
        $date = null;
        $error = null;
        try {
            $date = $class::parse($value);
        } catch (Exception $exception) {
            $error = $exception;
        }
        if (!$date) {
            throw ConversionException::conversionFailedFormat($value, $this->getTypeName(), 'Y-m-d H:i:s.u or any format supported by ' . $class . '::parse()', $error);
        }
        return $date;
    }
    /**
     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
     */
    public function convertToDatabaseValue($value, AbstractPlatform $platform): ?string
    {
        if ($value === null) {
            return $value;
        }
        if ($value instanceof DateTimeInterface) {
            return $value->format('Y-m-d H:i:s.u');
        }
        throw ConversionException::conversionFailedInvalidType($value, $this->getTypeName(), ['null', 'DateTime', 'Carbon']);
    }
    private function getTypeName(): string
    {
        $chunks = explode('\\', static::class);
        $type = preg_replace('/Type$/', '', end($chunks));
        return strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $type));
    }
    private function getMaximumPrecision(AbstractPlatform $platform): int
    {
        if ($platform instanceof DB2Platform) {
            return 12;
        }
        if ($platform instanceof OraclePlatform) {
            return 9;
        }
        if ($platform instanceof SQLServerPlatform || $platform instanceof SqlitePlatform) {
            return 3;
        }
        return 6;
    }
}
