<?php

declare(strict_types=1);

namespace Tests\Unit;

use App\Support\MissingTenantContextException;
use App\Support\TenantContext;
use InvalidArgumentException;
use Tests\TestCase;

class TenantContextTest extends TestCase
{
    public function test_code_requires_a_tenant(): void
    {
        $this->expectException(MissingTenantContextException::class);

        app(TenantContext::class)->code();
    }

    public function test_empty_tenant_code_is_rejected(): void
    {
        $this->expectException(InvalidArgumentException::class);

        app(TenantContext::class)->set('');
    }

    public function test_cache_and_lock_keys_include_the_tenant(): void
    {
        $context = app(TenantContext::class);
        $context->set('acme');

        $this->assertSame('tenant:acme:sku:1', $context->cacheKey('sku:1'));
        $this->assertSame('lock:tenant:acme:inventory:1', $context->lockKey('inventory:1'));
    }

    public function test_run_restores_the_previous_tenant(): void
    {
        $context = app(TenantContext::class);
        $context->set('tenant-a');

        $seen = $context->run('tenant-b', fn (): string => $context->code());

        $this->assertSame('tenant-b', $seen);
        $this->assertSame('tenant-a', $context->code());
    }

    public function test_run_clears_context_when_none_was_set(): void
    {
        $context = app(TenantContext::class);

        $context->run('tenant-b', fn (): string => $context->code());

        $this->assertFalse($context->has());
    }
}