<?php

use App\Http\Controllers\StatsController;
use App\Models\Setting;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Facades\DB;

it('returns null board version when no version is set', function (): void {
    Setting::where('key', 'version')->delete();
    Setting::where('key', 'build')->delete();

    $controller = new StatsController();
    $response = $controller->__invoke();
    $payload = $response->getData(true);

    expect($payload['board_version'])->toBeNull();
});

it('handles stats edge cases without crashing', function (): void {
    Storage::fake('public');

    Setting::updateOrCreate(['key' => 'version'], ['value' => '1.0.0']);
    Setting::updateOrCreate(['key' => 'build'], ['value' => '9']);

    DB::shouldReceive('connection->getDriverName')->andReturn('sqlite');
    DB::shouldReceive('selectOne')->andThrow(new RuntimeException('db fail'));

    $controller = new StatsController();
    $response = $controller->__invoke();

    $payload = $response->getData(true);

    expect($payload['database_size_bytes'])->toBeNull();
    expect($payload['database_server'])->toBeNull();
    expect($payload['board_version'])->toBe('1.0.0 (build 9)');
    expect($payload['orphan_attachments'])->toBeInt();
});

it('returns null for database size and avatar size on exceptions', function (): void {
    DB::shouldReceive('connection->getDriverName')->andThrow(new RuntimeException('db fail'));

    $controller = new StatsController();
    $refDb = new ReflectionMethod($controller, 'resolveDatabaseSize');
    $refDb->setAccessible(true);
    $refAvatar = new ReflectionMethod($controller, 'resolveAvatarDirectorySize');
    $refAvatar->setAccessible(true);

    expect($refDb->invoke($controller))->toBeNull();
    \Illuminate\Support\Facades\Storage::shouldReceive('disk')->andThrow(new RuntimeException('disk fail'));
    expect($refAvatar->invoke($controller))->toBeNull();
});

it('sums avatar directory size', function (): void {
    Storage::fake('public');
    Storage::disk('public')->put('avatars/a.png', 'a');
    Storage::disk('public')->put('avatars/b.png', 'bb');

    $controller = new StatsController();
    $refAvatar = new ReflectionMethod($controller, 'resolveAvatarDirectorySize');
    $refAvatar->setAccessible(true);

    expect($refAvatar->invoke($controller))->toBe(3);
});