<?php

namespace Artisaninweb\SoapWrapper;

use Closure;
use SoapClient;
use Artisaninweb\SoapWrapper\Exceptions\ServiceNotFound;
use Artisaninweb\SoapWrapper\Exceptions\ServiceAlreadyExists;
use Artisaninweb\SoapWrapper\Exceptions\ServiceMethodNotExists;

class SoapWrapper
{
  /**
   * @var array
   */
  protected $services;

  /**
   * SoapWrapper constructor
   */
  public function __construct()
  {
    $this->services = [];
  }

  /**
   * Add a new service to the wrapper
   *
   * @param string  $name
   * @param Closure $closure
   *
   * @return $this
   * @throws ServiceAlreadyExists
   */
  public function add($name, Closure $closure)
  {
    if (!$this->has($name)) {
      $service = new Service();

      $closure($service);

      $this->services[$name] = $service;

      return $this;
    }

    throw new ServiceAlreadyExists("Service '" . $name . "' already exists.");
  }

  /**
   * Add services by array
   *
   * @param array $services
   *
   * @return $this
   *
   * @throws ServiceAlreadyExists
   * @throws ServiceMethodNotExists
   */
  public function addByArray(array $services = [])
  {
    if (!empty($services)) {
      foreach ($services as $name => $methods) {
        if (!$this->has($name)) {
          $service = new Service();

          foreach ($methods as $method => $value) {
            if (method_exists($service, $method)) {
              $service->{$method}($value);
            } else {
                throw new ServiceMethodNotExists(sprintf(
                  "Method '%s' does not exists on the %s service.",
                  $method,
                  $name
                ));
              }
          }

          $this->services[$name] = $service;

          continue;
        }

        throw new ServiceAlreadyExists(sprintf(
          "Service '%s' already exists.",
          $name
        ));
      }
    }

    return $this;
  }

  /**
   * Get the client
   *
   * @param string  $name
   * @param Closure $closure
   *
   * @return mixed
   * @throws ServiceNotFound
   */
    public function client($name, Closure $closure = null)
    {
        if ($this->has($name)) {
            /** @var Service $service */
            $service = $this->services[$name];

            if (is_null($service->getClient())) {
                $client = new Client($service->getWsdl(), $service->getOptions(), $service->getHeaders());
              
                $service->client($client);
            } else {
                $client = $service->getClient();
            }

            return $closure($client);
        }

        throw new ServiceNotFound("Service '" . $name . "' not found.");
    }

  /**
   * A easy access call method
   *
   * @param string $call
   * @param array  $data
   *
   * @return mixed
   */
  public function call($call, $data = [], $options = [])
  {
    list($name, $function) = explode('.', $call, 2);

    return $this->client($name, function ($client) use ($function, $data, $options) {
      /** @var Client $client */
      return $client->SoapCall($function, $data, $options);
    });
  }

  /**
   * Check if wrapper has service
   *
   * @param string $name
   *
   * @return bool
   */
  public function has($name)
  {
    return (array_key_exists($name, $this->services));
  }
}