<?php

namespace Tests\Unit;

use PHPUnit\Framework\TestCase;
use System\Classes\Session;

class SessionTest extends TestCase
{
    private Session $session;

    protected function setUp(): void
    {
        // Используем реальную сессию в CLI — заголовки не отправляются
        $this->session = Session::instance('test');
    }

    protected function tearDown(): void
    {
        $this->session->destroy();

        // Сбрасываем синглтон через рефлексию
        $ref  = new \ReflectionClass(Session::class);
        $prop = $ref->getProperty('instances');
        $prop->setAccessible(true);
        $prop->setValue(null, []);
    }

    public function testSetAndGet(): void
    {
        $this->session->set('foo', 'bar');
        $this->assertSame('bar', $this->session->get('foo'));
    }

    public function testGetDefault(): void
    {
        $this->assertNull($this->session->get('nonexistent'));
        $this->assertSame('default', $this->session->get('nonexistent', 'default'));
    }

    public function testDelete(): void
    {
        $this->session->set('key', 'value');
        $this->session->delete('key');
        $this->assertNull($this->session->get('key'));
    }

    public function testSetReturnsThis(): void
    {
        $result = $this->session->set('x', 1);
        $this->assertSame($this->session, $result);
    }

    public function testDeleteReturnsThis(): void
    {
        $result = $this->session->delete('x');
        $this->assertSame($this->session, $result);
    }

    public function testGetDataReturnsArray(): void
    {
        $this->session->set('a', 1)->set('b', 2);
        $data = $this->session->getData();
        $this->assertIsArray($data);
        $this->assertSame(1, $data['a']);
        $this->assertSame(2, $data['b']);
    }

    public function testIdIsString(): void
    {
        $this->assertIsString($this->session->id());
        $this->assertNotEmpty($this->session->id());
    }

    public function testInstanceReturnsSameSingleton(): void
    {
        $a = Session::instance('test');
        $b = Session::instance('test');
        $this->assertSame($a, $b);
    }

    public function testBindByReference(): void
    {
        $value = 'initial';
        $this->session->bind('ref', $value);
        $value = 'changed';
        $this->assertSame('changed', $this->session->get('ref'));
    }

    public function testDestroyReturnsTrueAndClearsData(): void
    {
        $this->session->set('key', 'val');
        $result = $this->session->destroy();
        $this->assertTrue($result);
        $this->assertEmpty($this->session->getData());
    }
}