<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit;

use Brain\Monkey\Functions;
use LIT\MCP\Abilities\ExposurePolicy;
use LIT\MCP\Access;
use LIT\MCP\Admin\ConnectionStatus;
use LIT\MCP\ChangeLog\ChangeLogCleanup;
use LIT\MCP\ChangeLog\ChangeLogInstaller;
use LIT\MCP\Limits;
use LIT\MCP\Uninstaller;
use Mockery;

/**
 * Unit tests for the cleanup logic itself (extracted from uninstall.php so it is
 * testable without requiring that top-level script). tests/Unit/UninstallTest.php
 * additionally exercises uninstall.php's wiring to this class.
 */
final class UninstallerTest extends TestCase
{
    protected function tearDown(): void
    {
        unset($GLOBALS['wpdb']);
        parent::tearDown();
    }

    public function testRunRemovesOwnDataOnceOnASingleSite(): void
    {
        $db = Mockery::mock(\wpdb::class)->makePartial();
        $db->expects('query')->once()->with('DROP TABLE IF EXISTS wp_lit_mcp_log');
        $GLOBALS['wpdb'] = $db;
        Functions\when('is_multisite')->justReturn(false);
        Functions\expect('switch_to_blog')->never();
        Functions\expect('restore_current_blog')->never();
        Functions\expect('delete_transient')->once()->with(ConnectionStatus::ENDPOINT_TRANSIENT);
        Functions\expect('wp_clear_scheduled_hook')->once()->with(ChangeLogCleanup::HOOK);
        $deleted = [];
        Functions\when('delete_option')->alias(static function (string $option) use (&$deleted): bool {
            $deleted[] = $option;
            return true;
        });

        Uninstaller::run();

        self::assertSame(
            [Access::OPTION, ExposurePolicy::OPTION, Limits::OPTION, ChangeLogInstaller::VERSION_OPTION],
            $deleted
        );
    }

    public function testRunRemovesDataOnEverySiteOfAMultisiteNetwork(): void
    {
        $db = Mockery::mock(\wpdb::class)->makePartial();
        $db->expects('query')->twice()->with('DROP TABLE IF EXISTS wp_lit_mcp_log');
        $GLOBALS['wpdb'] = $db;
        Functions\when('is_multisite')->justReturn(true);
        Functions\when('get_sites')->justReturn([1, 2]);
        Functions\expect('switch_to_blog')->twice();
        Functions\expect('restore_current_blog')->twice();
        Functions\expect('delete_transient')->twice()->with(ConnectionStatus::ENDPOINT_TRANSIENT);
        Functions\expect('wp_clear_scheduled_hook')->twice()->with(ChangeLogCleanup::HOOK);
        Functions\when('delete_option')->justReturn(true);

        Uninstaller::run();
    }
}