<?php

namespace Tests\Unit;

use App\Services\ShayeganClient;
use PHPUnit\Framework\TestCase;
use ReflectionMethod;

class ShayeganClientErrorMessageTest extends TestCase
{
    public function test_extract_error_message_from_top_level(): void
    {
        $client = $this->clientWithoutConstruct();
        $method = new ReflectionMethod(ShayeganClient::class, 'extractErrorMessage');
        $method->setAccessible(true);

        $msg = $method->invoke($client, [
            'ErrorMessage' => 'missing account',
            'Result' => [['ErrorMessage' => '', 'Number' => '1']],
        ]);

        $this->assertSame('missing account', $msg);
    }

    public function test_extract_error_message_from_result_row(): void
    {
        $client = $this->clientWithoutConstruct();
        $method = new ReflectionMethod(ShayeganClient::class, 'extractErrorMessage');
        $method->setAccessible(true);

        $msg = $method->invoke($client, [
            'ErrorMessage' => '',
            'Result' => [['ErrorMessage' => 'row failed', 'Number' => null]],
        ]);

        $this->assertSame('row failed', $msg);
    }

    public function test_empty_error_message_is_success_signal(): void
    {
        $client = $this->clientWithoutConstruct();
        $method = new ReflectionMethod(ShayeganClient::class, 'extractErrorMessage');
        $method->setAccessible(true);

        $msg = $method->invoke($client, [
            'ErrorMessage' => '',
            'Result' => [['ErrorMessage' => '', 'Number' => '12', 'GuId' => 'abc']],
        ]);

        $this->assertSame('', $msg);
    }

    private function clientWithoutConstruct(): ShayeganClient
    {
        return (new \ReflectionClass(ShayeganClient::class))->newInstanceWithoutConstructor();
    }
}