<?php

use App\Models\User;
use App\Services\Admin\AdminSlowRequestReporter;
use Database\Seeders\RolesAndPermissionsSeeder;
use Illuminate\Support\Facades\File;
use Livewire\Volt\Volt as LivewireVolt;
use Tests\TestCase;

test('slow admin reporter parses and aggregates slow request logs', function () {
    $logPath = createAdminSlowRequestLog();

    $report = app(AdminSlowRequestReporter::class)->report(
        filters: ['route' => 'admin.users'],
        top: 5,
        limit: 5,
        paths: [$logPath],
    );

    expect($report['summary']['total_requests'])->toBe(2)
        ->and($report['summary']['unique_routes'])->toBe(1)
        ->and($report['summary']['max_duration_ms'])->toBe(1400)
        ->and($report['top_routes'][0]['value'])->toBe('admin.users.index')
        ->and($report['top_routes'][0]['requests'])->toBe(2)
        ->and($report['slowest_requests'][0]['duration_ms'])->toBe(1400)
        ->and($report['slow_queries'][0]['occurrences'])->toBe(2)
        ->and($report['explain_plans'][0]['explainable'])->toBeTrue()
        ->and($report['explain_plans'][0]['plan'])->not->toBeEmpty();
});

test('slow admin request command renders report sections', function () {
    /** @var TestCase $this */
    $logPath = createAdminSlowRequestLog();

    $this->artisan('admin:slow-requests', [
        '--file' => [$logPath],
        '--top' => 5,
        '--limit' => 5,
    ])
        ->assertSuccessful()
        ->expectsOutput('Slow-Admin-Request-Report')
        ->expectsOutput('Requests: 3')
        ->expectsOutputToContain('Top Routen')
        ->expectsOutputToContain('Langsamste Requests')
        ->expectsOutputToContain('EXPLAIN Top Slow Queries');
});

test('admin slow request report page renders filters and report data', function () {
    /** @var TestCase $this */
    $logPath = createAdminSlowRequestLog();
    config(['logging.channels.admin_slow.path' => $logPath]);
    config(['admin_performance.slow_requests.enabled' => false]);

    $this->seed(RolesAndPermissionsSeeder::class);

    $admin = User::factory()->create(['is_active' => true]);
    $admin->assignRole('admin');
    $this->actingAs($admin);

    LivewireVolt::test('admin.reports.slow-requests')
        ->assertSee('Performance Reports')
        ->assertSee('Top Routen')
        ->assertSee('EXPLAIN Top Slow Queries')
        ->assertSee('admin.users.index')
        ->set('routeFilter', 'admin.contacts')
        ->assertSee('admin.contacts.index')
        ->assertDontSee('admin.users.index');
});

function createAdminSlowRequestLog(): string
{
    $path = storage_path('logs/testing-admin-slow.log');
    File::ensureDirectoryExists(dirname($path));
    File::put($path, collect([
        adminSlowRequestLogLine('2026-04-29 10:00:00', 'admin.users.index', '/admin/users', 920, 180.5, 42),
        adminSlowRequestLogLine('2026-04-29 10:05:00', 'admin.users.index', '/admin/users?page=2', 1400, 220.75, 58),
        adminSlowRequestLogLine('2026-04-29 10:10:00', 'admin.contacts.index', '/admin/contacts', 760, 90.25, 25, 302),
    ])->implode(PHP_EOL).PHP_EOL);

    return $path;
}

function adminSlowRequestLogLine(
    string $timestamp,
    string $route,
    string $path,
    int $durationMs,
    float $databaseTimeMs,
    int $queryCount,
    int $statusCode = 200,
): string {
    $context = [
        'method' => 'GET',
        'path' => $path,
        'route_name' => $route,
        'status_code' => $statusCode,
        'user_id' => 1,
        'duration_ms' => $durationMs,
        'database_time_ms' => $databaseTimeMs,
        'query_count' => $queryCount,
        'slow_queries' => [
            [
                'sql' => 'select * from "users" where "email" = ?',
                'time_ms' => 75.5,
                'connection' => 'sqlite',
            ],
        ],
    ];

    return '['.$timestamp.'] local.WARNING: Slow admin request detected. '.json_encode($context, JSON_UNESCAPED_SLASHES);
}