<?php

declare(strict_types=1);

use App\Models\Project;
use App\Models\SupplierProject;
use App\Models\Tenant;
use App\Services\Project\ProjectService;
use Carbon\Carbon;
use Carbon\CarbonImmutable;
use Illuminate\Foundation\Testing\DatabaseTransactions;

uses(DatabaseTransactions::class);

it('returns applies_from when changing daily_limit_target before 18:00 MSK', function (): void {
    Carbon::setTestNow('2026-05-28 14:00:00', 'Europe/Moscow');

    $tenant = Tenant::factory()->create();
    $project = Project::factory()->for($tenant)->create(['daily_limit_target' => 10]);
    $sp = SupplierProject::factory()->create();
    linkProjectToSupplier($project, $sp);

    $result = app(ProjectService::class)->update($project, ['daily_limit_target' => 5]);

    expect($result->applies_from)->toBeInstanceOf(CarbonImmutable::class);
    expect($result->applies_from->format('Y-m-d H:i'))->toBe('2026-05-28 21:00');

    Carbon::setTestNow();
});

it('returns applies_from = tomorrow 21:00 MSK when edit after 18:00 MSK', function (): void {
    Carbon::setTestNow('2026-05-28 19:30:00', 'Europe/Moscow');

    $tenant = Tenant::factory()->create();
    $project = Project::factory()->for($tenant)->create(['daily_limit_target' => 10]);
    $sp = SupplierProject::factory()->create();
    linkProjectToSupplier($project, $sp);

    $result = app(ProjectService::class)->update($project, ['daily_limit_target' => 7]);

    expect($result->applies_from->format('Y-m-d H:i'))->toBe('2026-05-29 21:00');

    Carbon::setTestNow();
});

it('returns applies_from = null when only non-slepok fields changed (e.g. name)', function (): void {
    Carbon::setTestNow('2026-05-28 14:00:00', 'Europe/Moscow');

    $tenant = Tenant::factory()->create();
    $project = Project::factory()->for($tenant)->create();
    $sp = SupplierProject::factory()->create();
    linkProjectToSupplier($project, $sp);

    $result = app(ProjectService::class)->update($project, ['name' => 'Renamed project']);

    expect($result->applies_from)->toBeNull();

    Carbon::setTestNow();
});

it('returns applies_from = null when project has no supplier links', function (): void {
    Carbon::setTestNow('2026-05-28 14:00:00', 'Europe/Moscow');

    $tenant = Tenant::factory()->create();
    $project = Project::factory()->for($tenant)->create(['daily_limit_target' => 10]);
    // нет linkProjectToSupplier — нет slepok-риска

    $result = app(ProjectService::class)->update($project, ['daily_limit_target' => 5]);

    expect($result->applies_from)->toBeNull();

    Carbon::setTestNow();
});