<?php

if (!defined('UPDRAFTPLUS_DIR')) die('No direct access allowed.');

if (!class_exists('UpdraftPlus_Login')) require_once('updraftplus-login.php');

class UpdraftPlus_Clone extends UpdraftPlus_Login {
	
	/**
	 * Pulls the appropriate message for the given code and translate it before
	 * returning it to the caller
	 *
	 * @internal
	 * @param string $code The code of the message to pull
	 * @return string - The translated message
	 */
	protected function translate_message($code) {
		switch ($code) {
			case 'generic':
			default:
				return __('An error has occurred while processing your request.', 'updraftplus').' '.__('The server might be busy or you have lost your connection to the internet at the time of the request.', 'updraftplus').' '.__('Please try again later.', 'updraftplus');
				break;
		}
	}

	/**
	 * This function will check the passed in response from the remote call and check for various errors and return the parsed response
	 *
	 * @param array $response - the response from the remote call
	 *
	 * @return array          - the parsed response
	 */
	private function parse_response($response) {
		
		if (is_wp_error($response)) {
			$response = array('status' => 'error', 'code' => $response->get_error_code(), 'message' => $response->get_error_message());
		} else {
			if (isset($response['status'])) {
				if ('error' === $response['status']) {
					$response = array(
						'status' => 'error',
						'code' => isset($response['code']) ? $response['code'] : -1,
						'message' => isset($response['message']) ? $response['message'] : $this->translate_message('generic'),
						'response' => $response,
					);
				}
			} else {
				$response = array('status' => 'error', 'message' => $this->translate_message('generic'));
			}
		}

		return $response;
	}

	/**
	 * Executes login or registration process. Connects and sends request to the UpdraftClone
	 * and returns the response coming from the server
	 *
	 * @internal
	 * @param array   $data     The submitted form data
	 * @param boolean $register Indicates whether the current call is for a registration process or not. Defaults to false. Currently will always be false.
	 * @return array - The response from the request
	 */
	protected function login_or_register($data, $register = false) {

		$action = ($register) ? 'updraftplus_clone_register' : 'updraftplus_clone_login';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());

		$response = $this->send_remote_request($data, $action);

		return $this->parse_response($response);
	}

	/**
	 * The ajax based request point of entry for the create clone process
	 *
	 * @param array $data - The submitted form data
	 *
	 * @return array      - Response of the process
	 */
	public function ajax_process_clone($data = array()) {
		try {
			if (isset($data['form_data']) && is_array($data['form_data'])) {
				$form_data = $data['form_data'];
			}

			$response = $this->create_clone($form_data);
		} catch (Exception $e) {
			$response = array('error' => true, 'message' => $e->getMessage());
		}

		return $response;
	}

	/**
	 * Executes the create clone process. Connects and sends request to the UpdraftClone and returns the response coming from the server
	 *
	 * @internal
	 * @param array $data - The submitted form data
	 * @return array      - The response from the request
	 */
	public function create_clone($data) {
		global $updraftplus, $table_prefix;
		
		$action = 'updraftplus_clone_create';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());
		if (empty($data['label'])) $data['label'] = sprintf(__('Clone of %s', 'updraftplus'), trailingslashit(network_site_url()));
		if (empty($data['install_info']['table_prefix'])) $data['install_info']['table_prefix'] = $table_prefix;
		$subdirectory = parse_url(network_site_url(), PHP_URL_PATH);
		if (empty($data['install_info']['package'])) $data['install_info']['package'] = 'starter';
		if (empty($data['install_info']['subdirectory'])) $data['install_info']['subdirectory'] = !empty($subdirectory) ? $subdirectory : '/';
		if (empty($data['install_info']['locale'])) $data['install_info']['locale'] = get_locale();
		if (empty($data['install_info']['owner_id']) && empty($data['install_info']['owner_login'])) {
			$user = wp_get_current_user();
			$data['install_info']['owner_id'] = $user->ID;
			$data['install_info']['owner_login'] = $user->user_login;
		}
		if (is_multisite()) {
			$data['install_info']['multisite'] = true;
			$data['install_info']['multisite_type'] = is_subdomain_install() ? 'subdomain' : 'subfolder';
		}
		if (empty($data['install_info']['requested_by'])) $data['install_info']['requested_by'] = $updraftplus->version;

		$response = $this->send_remote_request($data, $action);
		
		return $this->parse_response($response);
	}

	/**
	 * Executes the clone status process. Connects and sends request to the UpdraftClone and returns the response coming from the server
	 *
	 * @internal
	 * @param array $data - The submitted form data
	 * @return array      - The response from the request
	 */
	public function clone_status($data) {

		$action = 'updraftplus_clone_status';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());

		$response = $this->send_remote_request($data, $action);
		
		return $this->parse_response($response);
	}

	/**
	 * Executes the clone info poll. Connects and sends request to the UpdraftClone and returns the response coming from the server
	 *
	 * @internal
	 * @param array $data - The submitted form data
	 * @return array      - The response from the request
	 */
	public function clone_info_poll($data) {

		$action = 'updraftplus_clone_info_poll';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());

		$response = $this->send_remote_request($data, $action);
		
		return $this->parse_response($response);
	}

	/**
	 * Executes the backup checkin. Connects and sends request to UpdraftPlus and returns the response coming from the server
	 *
	 * @internal
	 * @param array $data - The submitted form data
	 * @return array      - The response from the request
	 */
	public function backup_checkin($data) {
		$action = 'updraftplus_backup_checkin';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());
		if (!empty($data['log_contents'])) {
			$data['log_contents'] = base64_encode(gzcompress($data['log_contents']));
			$data['format'] = 'gzcompress';
		}

		$response = $this->send_remote_request($data, $action);

		return $this->parse_response($response);
	}

	/**
	 * Executes the clone failed delete process. Connects and sends request to the UpdraftClone and returns the response coming from the server
	 *
	 * @internal
	 * @param array $data - The submitted form data
	 * @return array      - The response from the request
	 */
	public function clone_failed_delete($data) {

		$action = 'updraftplus_clone_failed_delete';
		if (empty($data['site_url'])) $data['site_url'] = trailingslashit(network_site_url());

		$response = $this->send_remote_request($data, $action);
		
		return $this->parse_response($response);
	}
}