<?php

namespace Opis\JsonSchema\Pragmas;

class CastPragma implements \Opis\JsonSchema\Pragma
{
    protected string $cast;

    /** @var callable */
    protected $func;

    /**
     * @param string $cast
     */
    public function __construct(string $cast)
    {
        $this->cast = $cast;
        $this->func = $this->getCastFunction($cast);
    }

    /**
     * @inheritDoc
     */
    public function enter(\Opis\JsonSchema\ValidationContext $context)
    {
        $currentType = $context->currentDataType();
        if ($currentType !== null && \Opis\JsonSchema\Helper::jsonTypeMatches($currentType, $this->cast)) {
            // Cast not needed
            return $this;
        }
        unset($currentType);

        $currentData = $context->currentData();

        $context->setCurrentData(($this->func)($currentData));

        return $currentData;
    }

    /**
     * @inheritDoc
     */
    public function leave(\Opis\JsonSchema\ValidationContext $context, $data): void
    {
        if ($data !== $this) {
            $context->setCurrentData($data);
        }
    }

    /**
     * @param string $type
     * @return callable
     */
    protected function getCastFunction(string $type): callable
    {
        $f = 'toNull';

        switch ($type) {
            case 'integer':
                $f = 'toInteger';
                break;
            case 'number':
                $f = 'toNumber';
                break;
            case 'string':
                $f = 'toString';
                break;
            case 'array':
                $f = 'toArray';
                break;
            case 'object':
                $f = 'toObject';
                break;
            case 'boolean':
                $f = 'toBoolean';
                break;
        }

        return [$this, $f];
    }

    /**
     * @param $value
     * @return int|null
     */
    public function toInteger($value): ?int
    {
        if ($value === null) {
            return 0;
        }

        return is_scalar($value) ? intval($value) : null;
    }

    /**
     * @param $value
     * @return float|null
     */
    public function toNumber($value): ?float
    {
        if ($value === null) {
            return 0.0;
        }

        return is_scalar($value) ? floatval($value) : null;
    }

    /**
     * @param $value
     * @return string|null
     */
    public function toString($value): ?string
    {
        if ($value === null) {
            return '';
        }

        if (is_scalar($value)) {
            return (string) $value;
        }

        return null;
    }

    /**
     * @param $value
     * @return array|null
     */
    public function toArray($value): ?array
    {
        if ($value === null) {
            return [];
        }

        if (is_scalar($value)) {
            return [$value];
        }

        if (is_array($value)) {
            return array_values($value);
        }

        if (is_object($value)) {
            return array_values(get_object_vars($value));
        }

        return null;
    }

    /**
     * @param $value
     * @return object|null
     */
    public function toObject($value): ?object
    {
        if (is_object($value) || is_array($value)) {
            return (object) $value;
        }

        return null;
    }

    /**
     * @param $value
     * @return bool
     */
    public function toBoolean($value): bool
    {
        if ($value === null) {
            return false;
        }
        if (is_string($value)) {
            return !($value === '');
        }
        if (is_object($value)) {
            return count(get_object_vars($value)) > 0;
        }
        return boolval($value);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjE2ODcxMjExNzYyNTk4MSA3MjQ4MjgxNzIzMTE0NTUgMTA2MjAzMTgyMjU1NzIxMw==