<?php

namespace PSX\Schema\Generator;

use PSX\Schema\Generator\Type\GeneratorInterface;
use PSX\Schema\Type\MapType;
use PSX\Schema\Type\ReferenceType;
use PSX\Schema\Type\StringType;
use PSX\Schema\Type\StructType;
use PSX\Schema\Type\TypeAbstract;
use PSX\Schema\TypeUtil;

/**
 * Go
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class Go extends CodeGeneratorAbstract
{
    /**
     * @inheritDoc
     */
    public function getFileName(string $file): string
    {
        return $file . '.go';
    }

    /**
     * @inheritDoc
     */
    protected function newTypeGenerator(array $mapping): GeneratorInterface
    {
        return new Type\Go($mapping);
    }

    /**
     * @inheritDoc
     */
    protected function writeStruct(
        string $name,
        array $properties,
        ?string $extends,
        ?array $generics,
        StructType $origin,
    ): string {
        $code = 'type ' . $name . ' struct {' . "\n";

        if (!empty($extends)) {
            $code.= $this->indent . '*' . $extends . "\n";
        }

        foreach ($properties as $name => $property) {
            /** @var Code\Property $property */
            $code.= $this->indent . ucfirst($name) . ' ' . $property->getType() . ' `json:"' . $property->getName() . '"`' . "\n";
        }

        $code.= '}' . "\n";

        return $code;
    }

    protected function writeMap(string $name, string $type, MapType $origin): string
    {
        $subType = $this->generator->getType($origin->getAdditionalProperties());

        return 'type ' . $name . ' = map[string]' . $subType . "\n";
    }

    protected function writeReference(string $name, string $type, ReferenceType $origin): string
    {
        return 'type ' . $name . ' = ' . $type . "\n";
    }

    protected function writeHeader(TypeAbstract $origin): string
    {
        $code = "\n";

        if (!empty($this->namespace)) {
            $code.= 'package ' . $this->namespace . "\n";
        }

        $imports = $this->getImports($origin);
        if (!empty($imports)) {
            $code.= "\n";
            $code.= implode("\n", $imports);
            $code.= "\n";
        }

        $code.= "\n";

        $comment = $origin->getDescription();
        if (!empty($comment)) {
            $code.= '// ' . $comment . "\n";
        }

        return $code;
    }

    private function getImports(TypeAbstract $origin): array
    {
        $imports = [];

        if (TypeUtil::contains($origin, StringType::class, TypeAbstract::FORMAT_DURATION)) {
            $imports[] = 'import "time"';
        } elseif (TypeUtil::contains($origin, StringType::class, TypeAbstract::FORMAT_DATE)) {
            $imports[] = 'import "time"';
        } elseif (TypeUtil::contains($origin, StringType::class, TypeAbstract::FORMAT_TIME)) {
            $imports[] = 'import "time"';
        } elseif (TypeUtil::contains($origin, StringType::class, TypeAbstract::FORMAT_DATETIME)) {
            $imports[] = 'import "time"';
        }

        return $imports;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDEzNDc2Mjc5MjU0MzUzIDMwNTYxNTE4OTU5NTcyMjYgMjAyOTk5MDM2NTgwNjAy