<?php

declare(strict_types=1);

namespace KTXT\ProviderImap\Tests\Unit;

use KTXM\ProviderImap\Providers\ServiceBase;
use KTXM\ProviderImap\Service\Live\LiveMailService;
use PHPUnit\Framework\TestCase;
use RuntimeException;

final class LiveMailServiceTest extends TestCase {

    public function testEntityReplaceReturnsAuthoritativeReplacementUid(): void {
        $service = new LiveMailServiceStub($this->createStub(ServiceBase::class));
        $service->appendUid = 202;
        $service->destroyResults = [[101 => true]];

        $result = $service->entityReplace('Drafts', 101, 'raw message', ['\\Draft']);

        $this->assertSame(202, $result);
        $this->assertSame([
            ['Drafts', 'raw message', ['\\Draft']],
        ], $service->createCalls);
        $this->assertSame([
            ['Drafts', [101]],
        ], $service->destroyCalls);
    }

    public function testEntityReplaceRemovesReplacementWhenOldUidCannotBeDeleted(): void {
        $service = new LiveMailServiceStub($this->createStub(ServiceBase::class));
        $service->appendUid = 202;
        $service->destroyResults = [
            [101 => false],
            [202 => true],
        ];

        try {
            $service->entityReplace('Drafts', 101, 'raw message', ['\\Draft']);
            $this->fail('Expected superseded message cleanup failure');
        } catch (RuntimeException $exception) {
            $this->assertSame('Failed to delete the superseded IMAP entity', $exception->getMessage());
        }

        $this->assertSame([
            ['Drafts', [101]],
            ['Drafts', [202]],
        ], $service->destroyCalls);
    }
}

final class LiveMailServiceStub extends LiveMailService {

    public ?int $appendUid = null;
    public array $createCalls = [];
    public array $destroyCalls = [];
    public array $destroyResults = [];

    public function entityCreate(string $collection, string $rawMessage, array $flags = []): ?int {
        $this->createCalls[] = [$collection, $rawMessage, $flags];
        return $this->appendUid;
    }

    public function entityDestroy(string $collection, int ...$uids): array {
        $this->destroyCalls[] = [$collection, $uids];
        return array_shift($this->destroyResults) ?? [];
    }
}