<?php
namespace Zadex\Forms\Integrations;

defined('ABSPATH') || exit;

use WP_Error;

/**
 * Drip API v2 (`https://api.getdrip.com/v2/<account id>`, HTTP Basic with the API token as user).
 *
 *  - POST /subscribers {subscribers: [{email, first_name, last_name, tags, custom_fields}]}  (create or update)
 * Drip has no list to pick: segmentation is done with tags.
 */
final class Drip extends EmailProvider
{
    public function id(): string
    {
        return 'drip';
    }

    public function label(): string
    {
        return 'Drip';
    }

    public function configured(): bool
    {
        return Credentials::has('drip_account_id') && Credentials::has('drip_api_token');
    }

    public function needs_list(): bool
    {
        return false;
    }

    public function base(): string
    {
        return 'https://api.getdrip.com/v2/' . rawurlencode(Credentials::get('drip_account_id'));
    }

    public function lists()
    {
        return [];
    }

    public function subscribe(array $contact)
    {
        $sub = ['email' => $contact['email']];
        if ($contact['first_name'] !== '') {
            $sub['first_name'] = $contact['first_name'];
        }
        if ($contact['last_name'] !== '') {
            $sub['last_name'] = $contact['last_name'];
        }
        if ($contact['tags']) {
            $sub['tags'] = $contact['tags'];
        }
        if ($contact['fields']) {
            $sub['custom_fields'] = $contact['fields'];
        }
        $r = Http::json('POST', $this->base() . '/subscribers', ['subscribers' => [$sub]], [
            'Authorization' => self::basic(Credentials::get('drip_api_token'), ''),
        ]);
        return $r instanceof WP_Error ? $r : true;
    }
}