<?php

namespace App\Http\Controllers\Api\Concerns;

use Illuminate\Http\Client\ConnectionException;
use Illuminate\Http\Client\PendingRequest;
use Illuminate\Http\Client\Response as HttpResponse;
use Illuminate\Support\Facades\Http;
use Illuminate\Validation\ValidationException;

/**
 * Shared helper for talking to the central Ladill identity API
 * (auth.ladill.com /api/identity/*) with the first-party service key.
 */
trait CallsIdentityApi
{
    protected function identity(): PendingRequest
    {
        return Http::baseUrl(rtrim((string) config('services.ladill_identity.url'), '/'))
            ->withToken((string) config('services.ladill_identity.key'))
            ->connectTimeout(10)
            ->timeout(20)
            ->acceptJson()
            ->asJson();
    }

    protected function identitySend(string $method, string $path, array $payload): HttpResponse
    {
        try {
            return $this->identity()->send($method, $path, ['json' => $payload]);
        } catch (ConnectionException) {
            throw ValidationException::withMessages([
                'base' => ['Could not reach Ladill. Please try again in a moment.'],
            ]);
        }
    }

    /** Re-throw a 422 from the identity API as local validation errors. */
    protected function rethrowValidation(HttpResponse $response, string $fallbackField = 'base'): void
    {
        if ($response->status() === 422) {
            throw ValidationException::withMessages(
                $response->json('errors') ?: [$fallbackField => [$response->json('message') ?: 'Request failed.']],
            );
        }
    }
}