<?php

declare(strict_types=1);

namespace OCA\WorkflowDeckAutomation\Tests\Unit\Service;

use DateTimeImmutable;
use OCA\WorkflowDeckAutomation\Service\WorkflowRunner;
use PHPUnit\Framework\TestCase;

class WorkflowRunnerTest extends TestCase {
	public function testIsOverdueReturnsFalseWithoutDueDate(): void {
		$this->assertFalse(WorkflowRunner::isOverdue(null, new DateTimeImmutable('2026-01-15 12:00:00')));
	}

	public function testIsOverdueReturnsFalseForFutureDueDate(): void {
		$now = new DateTimeImmutable('2026-01-15 12:00:00');
		$this->assertFalse(WorkflowRunner::isOverdue($now->modify('+1 hour'), $now));
		$this->assertFalse(WorkflowRunner::isOverdue($now->modify('+3 days'), $now));
	}

	public function testIsOverdueReturnsTrueForPastDueDate(): void {
		$now = new DateTimeImmutable('2026-01-15 12:00:00');
		$this->assertTrue(WorkflowRunner::isOverdue($now->modify('-1 hour'), $now));
		$this->assertTrue(WorkflowRunner::isOverdue($now->modify('-30 days'), $now));
	}

	public function testIsOverdueReturnsTrueForADueTimeEarlierTheSameDay(): void {
		// Regression: comparing whole calendar days (as Deck's own
		// Card::getDaysUntilDue() does) reports a card due earlier today as
		// "0 days until due", not overdue, until the calendar date rolls
		// over - holding every card back for up to 24h after it actually
		// fell due. isOverdue() must compare the real timestamps instead.
		$now = new DateTimeImmutable('2026-01-15 12:00:00');
		$this->assertTrue(WorkflowRunner::isOverdue(new DateTimeImmutable('2026-01-15 06:00:00'), $now));
	}
}