<?php

namespace Tests\Unit;

use PHPUnit\Framework\TestCase;
use ReflectionClass;
use Services\Auth;
use Services\Database;
use Services\DataBase\Classes\Profiler;
use System\Classes\Config;
use System\Classes\MyException;
use System\Classes\ProfilerToolbar;
use System\Classes\Session;

class ProfilerToolbarTest extends TestCase
{
    private string $users_file;

    protected function setUp(): void
    {
        $this->users_file = sys_get_temp_dir() . '/bicycle_toolbar_users_' . uniqid('', true) . '.php';
        file_put_contents($this->users_file, '<?php return ' . var_export([
            'admin' => ['password' => password_hash('x', PASSWORD_DEFAULT), 'role' => 'admin'],
            'bob'   => ['password' => password_hash('x', PASSWORD_DEFAULT), 'role' => 'manager'],
        ], true) . ';');

        Config::set('auth', ['driver' => 'file', 'users_file' => $this->users_file, 'session_key' => 'auth_user']);

        // Другие тесты пишут в этот же статический реестр, если есть живое подключение к БД.
        Profiler::reset();
    }

    protected function tearDown(): void
    {
        unlink($this->users_file);
        Session::instance()->destroy();
        Profiler::reset();

        foreach ([Session::class, Auth::class] as $class) {
            $ref  = new ReflectionClass($class);
            $prop = $ref->getProperty($class === Session::class ? 'instances' : '_instances');
            $prop->setAccessible(true);
            $prop->setValue(null, []);
        }

        $ref  = new ReflectionClass(Config::class);
        $prop = $ref->getProperty('config');
        $prop->setAccessible(true);
        $prop->setValue(null, null);

        $ref  = new ReflectionClass(ProfilerToolbar::class);
        $prop = $ref->getProperty('_custom');
        $prop->setAccessible(true);
        $prop->setValue(null, []);

        $ref  = new ReflectionClass(Database::class);
        $prop = $ref->getProperty('_instances');
        $prop->setAccessible(true);
        $prop->setValue(null, []);
    }

    public function testReturnsEmptyStringForGuest(): void
    {
        $this->assertSame('', ProfilerToolbar::render());
    }

    public function testReturnsEmptyStringForNonAdminRole(): void
    {
        Session::instance()->set('auth_user', 'bob');

        $this->assertSame('', ProfilerToolbar::render());
    }

    public function testRendersPanelForAdmin(): void
    {
        Session::instance()->set('auth_user', 'admin');

        $html = ProfilerToolbar::render();

        $this->assertStringContainsString('Profiler', $html);
        $this->assertStringContainsString('SQL', $html);
    }

    public function testIncludesProfilerEntries(): void
    {
        Session::instance()->set('auth_user', 'admin');
        Profiler::log('SELECT * FROM users WHERE id = ?', [42], 1.23);

        $html = ProfilerToolbar::render();

        $this->assertStringContainsString('SELECT * FROM users WHERE id = ?', $html);
        $this->assertStringContainsString('42', $html);
    }

    public function testHasVarsFilesAndRouteTabs(): void
    {
        Session::instance()->set('auth_user', 'admin');

        $html = ProfilerToolbar::render();

        $this->assertStringContainsString('Vars', $html);
        $this->assertStringContainsString('Files', $html);
        $this->assertStringContainsString('Route', $html);
    }

    public function testVarsTabMasksSensitiveKeys(): void
    {
        Session::instance()->set('auth_user', 'admin');
        $_POST['password'] = 'super-secret';

        $html = ProfilerToolbar::render();

        $this->assertStringNotContainsString('super-secret', $html);
        $this->assertStringContainsString('***', $html);

        unset($_POST['password']);
    }

    public function testExplainShownForRealSelect(): void
    {
        try {
            Database::instance()->exec('DROP TABLE IF EXISTS profiler_toolbar_test');
            Database::instance()->exec('CREATE TABLE profiler_toolbar_test (id INT PRIMARY KEY)');
        } catch (MyException $e) {
            $this->markTestSkipped('Нет живого подключения к MariaDB: ' . $e->getMessage());
        }

        Session::instance()->set('auth_user', 'admin');
        Database::instance()->query('SELECT * FROM profiler_toolbar_test WHERE id = ?', [1]);

        $html = ProfilerToolbar::render();

        Database::instance()->exec('DROP TABLE IF EXISTS profiler_toolbar_test');

        $this->assertStringContainsString('ptb-explain', $html);
        $this->assertStringContainsString('select_type', $html);
    }

    public function testExplainSkippedForNonSelect(): void
    {
        Session::instance()->set('auth_user', 'admin');
        Profiler::log('DELETE FROM users WHERE id = ?', [1], 0.5);

        $html = ProfilerToolbar::render();

        // 'ptb-explain' сам по себе — ещё и имя CSS-класса в <style>, оно есть всегда;
        // маркер реального EXPLAIN-результата — заголовок его колонки 'select_type'.
        $this->assertStringNotContainsString('select_type', $html);
    }

    public function testCustomTabAppearsOnlyWhenDataAdded(): void
    {
        Session::instance()->set('auth_user', 'admin');

        $this->assertStringNotContainsString('Custom', ProfilerToolbar::render());

        ProfilerToolbar::addData(['foo' => 'bar'], 'my-debug');
        $html = ProfilerToolbar::render();

        $this->assertStringContainsString('Custom', $html);
        $this->assertStringContainsString('my-debug', $html);
        $this->assertStringContainsString('foo', $html);
    }
}