<?php

use App\Models\DeliverySchedule;
use App\Models\ProfitCenter;
use App\Models\ProfitCenterSupplierSchedule;
use App\Models\Supplier;
use App\Services\NextDeliveryDateCalculatorService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Carbon;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

/**
 * @param  array<string, bool>  $days
 */
function makeAssignment(array $days, bool $hasConstraint = true): array
{
    $pc = ProfitCenter::factory()->create();
    $supplier = Supplier::factory()->create([
        'hasDeliveryConstraint' => $hasConstraint,
        'orderCutOffTime' => 12,
        'deliveryLeadTime' => 48, // 2 nap
    ]);
    $schedule = DeliverySchedule::factory()->create($days);
    ProfitCenterSupplierSchedule::factory()->create([
        'profit_center_id' => $pc->id,
        'supplier_id' => $supplier->id,
        'delivery_schedule_id' => $schedule->id,
    ]);

    return [$pc, $supplier];
}

const EVERY_DAY = [
    'monday' => true,
    'tuesday' => true,
    'wednesday' => true,
    'thursday' => true,
    'friday' => true,
    'saturday' => true,
    'sunday' => true,
];

const WEEKDAYS_ONLY = [
    'monday' => true,
    'tuesday' => true,
    'wednesday' => true,
    'thursday' => true,
    'friday' => true,
];

it('counts scheduled weekend days towards the lead time', function () {
    [$pc, $supplier] = makeAssignment(EVERY_DAY);

    $result = app(NextDeliveryDateCalculatorService::class)
        ->calculate($supplier->id, $pc->id, Carbon::parse('2026-04-17 08:00')); // Friday, cut-off előtt

    // Péntek (1.) + szombat (2.) telik el az átfutásból, így vasárnap már szállítható.
    expect($result?->toDateString())->toBe('2026-04-19'); // Sunday
});

it('does not count weekends for a weekday-only schedule', function () {
    [$pc, $supplier] = makeAssignment(WEEKDAYS_ONLY);

    $result = app(NextDeliveryDateCalculatorService::class)
        ->calculate($supplier->id, $pc->id, Carbon::parse('2026-04-17 08:00')); // Friday, cut-off előtt

    // Péntek (1.) + hétfő (2.) telik el – a hétvége kimarad –, így kedd az első szállítási nap.
    expect($result?->toDateString())->toBe('2026-04-21'); // Tuesday
});

it('returns a weekend day when there is no delivery constraint', function () {
    [$pc, $supplier] = makeAssignment(EVERY_DAY, hasConstraint: false);

    $result = app(NextDeliveryDateCalculatorService::class)
        ->calculate($supplier->id, $pc->id, Carbon::parse('2026-04-18 08:00')); // Saturday

    // Átfutási idő nélkül a szombat maga az első szállítási nap.
    expect($result?->toDateString())->toBe('2026-04-18'); // Saturday
});