<?php

declare(strict_types=1);

namespace Mautic\IntegrationsBundle\Sync\SyncProcess\Direction\Helper;

use Mautic\IntegrationsBundle\Exception\InvalidValueException;
use Mautic\IntegrationsBundle\Sync\DAO\Mapping\ObjectMappingDAO;
use Mautic\IntegrationsBundle\Sync\DAO\Sync\Report\FieldDAO;
use Mautic\IntegrationsBundle\Sync\DAO\Value\NormalizedValueDAO;

class ValueHelper
{
    private ?NormalizedValueDAO $normalizedValueDAO = null;

    private ?string $fieldState = null;

    private ?string $syncDirection = null;

    /**
     * @throws InvalidValueException
     */
    public function getValueForIntegration(NormalizedValueDAO $normalizedValueDAO, string $fieldState, string $syncDirection): NormalizedValueDAO
    {
        $this->normalizedValueDAO = $normalizedValueDAO;
        $this->fieldState         = $fieldState;
        $this->syncDirection      = $syncDirection;

        $newValue = $this->getValue(ObjectMappingDAO::SYNC_TO_MAUTIC);

        return new NormalizedValueDAO($normalizedValueDAO->getType(), $normalizedValueDAO->getNormalizedValue(), $newValue);
    }

    /**
     * @throws InvalidValueException
     */
    public function getValueForMautic(NormalizedValueDAO $normalizedValueDAO, string $fieldState, string $syncDirection): NormalizedValueDAO
    {
        $this->normalizedValueDAO = $normalizedValueDAO;
        $this->fieldState         = $fieldState;
        $this->syncDirection      = $syncDirection;

        $newValue = $this->getValue(ObjectMappingDAO::SYNC_TO_INTEGRATION);

        return new NormalizedValueDAO($normalizedValueDAO->getType(), $normalizedValueDAO->getNormalizedValue(), $newValue);
    }

    /**
     * @return float|int|mixed|string
     *
     * @throws InvalidValueException
     */
    private function getValue(string $directionToIgnore)
    {
        $value = $this->normalizedValueDAO->getNormalizedValue();

        // If the field is not required, do not force a value
        if (FieldDAO::FIELD_REQUIRED !== $this->fieldState) {
            return $value;
        }

        // If the field is not configured to update the Integration, do not force a value
        if ($directionToIgnore === $this->syncDirection) {
            return $value;
        }

        // If the value is not empty (including 0 or false), do not force a value
        if (null !== $value && '' !== $value) {
            return $value;
        }

        return match ($this->normalizedValueDAO->getType()) {
            NormalizedValueDAO::EMAIL_TYPE, NormalizedValueDAO::DATE_TYPE, NormalizedValueDAO::DATETIME_TYPE, NormalizedValueDAO::BOOLEAN_TYPE => $this->normalizedValueDAO->getOriginalValue(),
            NormalizedValueDAO::INT_TYPE => 0,
            NormalizedValueDAO::DOUBLE_TYPE, NormalizedValueDAO::FLOAT_TYPE => 1.0,
            default => throw new InvalidValueException("Required field can't be empty"),
        };
    }
}
