<?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:----MzUyNTY0NzM1MjI3ODIxNSA4MTAzNTEwOTcxMjIzMDg1IDI5ODA4NDgxNDg0MzA4MTU=