<?php

namespace App\Services\EmailDomain;

use Illuminate\Support\Facades\Http;

/**
 * Client for the shared Email-Domain service (§4-D) — one verification engine
 * (SPF/DKIM/DMARC). The Email app consumes it to render its own in-app domain
 * setup. Domains are scoped to the user (public_id) server-side. Summary:
 * {id, domain, status, active, spf, dkim, dmarc}; detail adds {dns_records, …}.
 */
class EmailDomainClient
{
    private function base(): string
    {
        return rtrim((string) config('emaildomain.api_url'), '/');
    }

    private function http()
    {
        return Http::withToken((string) (config('emaildomain.api_key') ?? ''))->acceptJson()->timeout(10);
    }

    /** All email domains for the user. */
    public function forUser(string $publicId): array
    {
        return $this->data($this->http()->get($this->base(), ['user' => $publicId]));
    }

    /** Only verified/active domains (eligible for mailboxes). */
    public function verified(string $publicId): array
    {
        return $this->data($this->http()->get($this->base(), ['user' => $publicId, 'status' => 'active']));
    }

    public function find(string $publicId, int $id): ?array
    {
        return collect($this->forUser($publicId))->firstWhere('id', $id) ?: null;
    }

    /** Full detail (incl. DNS records to publish) for one domain. */
    public function show(string $publicId, int $id): array
    {
        return $this->data($this->http()->get($this->base().'/'.$id, ['user' => $publicId]));
    }

    /** Add an email domain. Returns its detail. */
    public function create(string $publicId, string $domain, string $method = 'dns_record'): array
    {
        $res = $this->http()->post($this->base(), ['user' => $publicId, 'domain' => $domain, 'verification_method' => $method]);
        $res->throw();

        return (array) $res->json('data');
    }

    /** Run verification; returns updated detail. */
    public function verify(string $publicId, int $id): array
    {
        $res = $this->http()->post($this->base().'/'.$id.'/verify', ['user' => $publicId]);
        $res->throw();

        return (array) $res->json('data');
    }

    public function delete(string $publicId, int $id): void
    {
        $this->http()->delete($this->base().'/'.$id, ['user' => $publicId])->throw();
    }

    private function data($res): array
    {
        $res->throw();

        return (array) ($res->json('data') ?? $res->json());
    }
}