<?php

namespace Mintall_Keep\Api;

defined( 'ABSPATH' ) || exit;

use Mintall_Keep\Core\Connection_Manager;
use Mintall_Keep\Services\Mintall_Accounts;

class REST_Account extends REST_Controller {

	public function register_routes() {
		register_rest_route(
			self::NAMESPACE,
			'/account',
			[
				'methods'             => 'GET',
				'callback'            => [ $this, 'get_account' ],
				'permission_callback' => [ $this, 'check_permission' ],
			]
		);

		register_rest_route(
			self::NAMESPACE,
			'/credit-balance',
			[
				'methods'             => 'GET',
				'callback'            => [ $this, 'get_credit_balance' ],
				'permission_callback' => [ $this, 'check_permission' ],
			]
		);
	}

	/**
	 * GET /mintall/v1/account
	 *
	 * Ensures connection exists (auto-registers if needed) and returns account data.
	 */
	public function get_account() {
		$connection_data = Connection_Manager::ensure_connected();

		if ( ! $connection_data ) {
			return new \WP_REST_Response(
				[
					'connected' => false,
					'account'   => null,
				]
			);
		}

		$api_key = $connection_data['api_key'];
		$account = Mintall_Accounts::get_me( $api_key );

		if ( is_wp_error( $account ) ) {
			return $this->error_response( $account->get_error_message(), 500 );
		}

		return new \WP_REST_Response(
			[
				'account'    => $account,
				'connected'  => true,
				'connection' => [
					'site_url'    => $connection_data['connection']->site_url ?? '',
					'platform_id' => $connection_data['connection']->platform_id ?? '',
				],
			]
		);
	}

	/**
	 * GET /mintall/v1/credit-balance
	 *
	 * Lightweight endpoint returning only the current credit balance.
	 */
	public function get_credit_balance() {
		$connection_data = Connection_Manager::ensure_connected();

		if ( ! $connection_data ) {
			return new \WP_REST_Response(
				[
					'connected'      => false,
					'credit_balance' => null,
				]
			);
		}

		$api_key = $connection_data['api_key'];
		$account = Mintall_Accounts::get_me( $api_key );

		if ( is_wp_error( $account ) ) {
			return $this->error_response( $account->get_error_message(), 500 );
		}

		return new \WP_REST_Response(
			[
				'credit_balance' => $account['credit_balance'] ?? null,
			]
		);
	}
}