<?php
declare(strict_types = 1);

namespace LanguageServer\Tests\Server\TextDocument\Definition;

use PHPUnit\Framework\TestCase;
use LanguageServer\Tests\MockProtocolStream;
use LanguageServer\{Server, LanguageClient, Project};
use LanguageServer\Protocol\{TextDocumentIdentifier, Position};

class GlobalFallbackTest extends TestCase
{
    /**
     * @var Server\TextDocument
     */
    private $textDocument;

    public function setUp()
    {
        $client = new LanguageClient(new MockProtocolStream());
        $project = new Project($client);
        $this->textDocument = new Server\TextDocument($project, $client);
        $project->openDocument('global_fallback', file_get_contents(__DIR__ . '/../../../../fixtures/global_fallback.php'));
        $project->openDocument('global_symbols', file_get_contents(__DIR__ . '/../../../../fixtures/global_symbols.php'));
    }

    public function testClassDoesNotFallback()
    {
        // $obj = new TestClass();
        // Get definition for TestClass should not fall back to global
        $result = $this->textDocument->definition(new TextDocumentIdentifier('global_fallback'), new Position(9, 16));
        $this->assertEquals([], $result);
    }

    public function testFallsBackForConstants()
    {
        // echo TEST_CONST;
        // Get definition for TEST_CONST
        $result = $this->textDocument->definition(new TextDocumentIdentifier('global_fallback'), new Position(6, 10));
        $this->assertEquals([
            'uri' => 'global_symbols',
            'range' => [
                'start' => [
                    'line' => 4,
                    'character' => 6
                ],
                'end' => [
                    'line' => 4,
                    'character' => 22
                ]
            ]
        ], json_decode(json_encode($result), true));
    }

    public function testFallsBackForFunctions()
    {
        // test_function();
        // Get definition for test_function
        $result = $this->textDocument->definition(new TextDocumentIdentifier('global_fallback'), new Position(5, 6));
        $this->assertEquals([
            'uri' => 'global_symbols',
            'range' => [
                'start' => [
                    'line' => 33,
                    'character' => 0
                ],
                'end' => [
                    'line' => 36,
                    'character' => 1
                ]
            ]
        ], json_decode(json_encode($result), true));
    }
}