<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit;

use LIT\MCP\Integrations\Divi\Design\DesignLock;
use Brain\Monkey\Functions;
use LIT\MCP\Abilities\ExposurePolicy;
use LIT\MCP\Access;
use LIT\MCP\Admin\ConnectionStatus;
use LIT\MCP\Admin\LogTab;
use LIT\MCP\ChangeLog\ChangeLogCleanup;
use LIT\MCP\ChangeLog\ChangeLogInstaller;
use LIT\MCP\Integrations\Divi\Release\ReleaseResolver;
use LIT\MCP\Integrations\SuperCache\SuperCacheListener;
use LIT\MCP\Limits;
use LIT\MCP\Uninstaller;
use LIT\MCP\Updater\RecheckOnInstall;
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();
        $transients = [];
        Functions\when('delete_transient')->alias(static function (string $transient) use (&$transients): bool {
            $transients[] = $transient;
            return true;
        });
        $hooks = [];
        Functions\when('wp_clear_scheduled_hook')->alias(static function (string $hook) use (&$hooks): int {
            $hooks[] = $hook;
            return 0;
        });
        // Review m-8: the Protokoll screen option is user meta (network-wide): removed once.
        Functions\expect('delete_metadata')->once()->with('user', 0, LogTab::PER_PAGE_OPTION, '', true);
        $deleted = [];
        Functions\when('delete_option')->alias(static function (string $option) use (&$deleted): bool {
            $deleted[] = $option;
            return true;
        });

        Uninstaller::run();

        self::assertSame(
            [ConnectionStatus::ENDPOINT_TRANSIENT, ReleaseResolver::CACHE, SuperCacheListener::PURGED_AT],
            $transients
        );
        self::assertSame([ChangeLogCleanup::HOOK, SuperCacheListener::TRAILING_HOOK], $hooks);
        self::assertSame(
            [
                Access::OPTION, ExposurePolicy::OPTION, Limits::OPTION, ChangeLogInstaller::VERSION_OPTION,
                'lit_mcp_divi_releases', 'lit_mcp_divi_check_report', 'lit_mcp_divi_check_lock',
            'lit_mcp_pods_releases', 'lit_mcp_pods_check_report', 'lit_mcp_pods_check_lock',
                'lit_mcp_wpsc_releases', 'lit_mcp_wpsc_check_report', 'lit_mcp_wpsc_check_lock',
                'lit_mcp_snapshots_colors', 'lit_mcp_snapshots_variables', 'lit_mcp_snapshots_presets',
                'lit_mcp_snapshots_theme_options', 'lit_mcp_snapshots_custom_css',
                DesignLock::option('colors'), DesignLock::option('variables'), DesignLock::option('presets'), DesignLock::option('custom_css'),
            // Locks of versions before the shared one (audit L5) may still sit in the table.
            'lit_mcp_lock_colors', 'lit_mcp_lock_theme_options',
            RecheckOnInstall::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();
        $transients = [];
        Functions\when('delete_transient')->alias(static function (string $transient) use (&$transients): bool {
            $transients[] = $transient;
            return true;
        });
        $hooks = [];
        Functions\when('wp_clear_scheduled_hook')->alias(static function (string $hook) use (&$hooks): int {
            $hooks[] = $hook;
            return 0;
        });
        Functions\expect('delete_metadata')->once()->with('user', 0, LogTab::PER_PAGE_OPTION, '', true);
        Functions\when('delete_option')->justReturn(true);

        Uninstaller::run();

        self::assertSame(
            [
                ConnectionStatus::ENDPOINT_TRANSIENT, ReleaseResolver::CACHE, SuperCacheListener::PURGED_AT,
                ConnectionStatus::ENDPOINT_TRANSIENT, ReleaseResolver::CACHE, SuperCacheListener::PURGED_AT,
            ],
            $transients
        );
        self::assertSame(
            [
                ChangeLogCleanup::HOOK, SuperCacheListener::TRAILING_HOOK,
                ChangeLogCleanup::HOOK, SuperCacheListener::TRAILING_HOOK,
            ],
            $hooks
        );
    }
}