<?php

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

namespace CloudObjects\SDK;

use ML\IRI\IRI;
use ReflectionProperty,
    InvalidArgumentException;

class FunctionsTest extends \PHPUnit\Framework\TestCase {

    protected function setUp(): void {
        $prop = new ReflectionProperty(ObjectRetrieverFacade::class, 'instance');
        $prop->setAccessible(true);
        $prop->setValue(null, null);
    }

    private function makeMockRetrieverReturning(?CloudObject $object) : ObjectRetriever {
        $mock = $this->createMock(ObjectRetriever::class);
        $mock->method('getCloudObject')->willReturn($object);
        return $mock;
    }

    public function testAcceptsIRI(): void {
        $coid = new IRI('coid://cloudobjects.io');
        $mockObject = $this->createMock(CloudObject::class);

        $mockRetriever = $this->createMock(ObjectRetriever::class);
        $mockRetriever->expects($this->once())
            ->method('getCloudObject')
            ->with($coid)
            ->willReturn($mockObject);

        ObjectRetrieverFacade::setObjectRetriever($mockRetriever);

        $this->assertSame($mockObject, cloudobjects_get_object($coid));
    }

    public function testConvertsStringToIRI(): void {
        $mockObject = $this->createMock(CloudObject::class);

        $mockRetriever = $this->createMock(ObjectRetriever::class);
        $mockRetriever->expects($this->once())
            ->method('getCloudObject')
            ->with($this->callback(fn($arg) => $arg instanceof IRI && (string)$arg === 'coid://cloudobjects.io'))
            ->willReturn($mockObject);

        ObjectRetrieverFacade::setObjectRetriever($mockRetriever);

        $this->assertSame($mockObject, cloudobjects_get_object('coid://cloudobjects.io'));
    }

    public function testThrowsOnInvalidArgumentType(): void {
        ObjectRetrieverFacade::setObjectRetriever($this->makeMockRetrieverReturning(null));

        $this->expectException(InvalidArgumentException::class);
        cloudobjects_get_object(42);
    }

}