<?php defined('BASEPATH') || exit('No direct script access allowed');

include_once __DIR__ . '/../factories/User_factory.php';
/*Powered By: Manaknightdigital Inc. https://manaknightdigital.com/ Year: 2021*/
/**
 * User Service
 *
 * @copyright 2019 Manaknightdigital Inc.
 * @link https://manaknightdigital.com
 * @license Proprietary Software licensing
 * @author Ryan Wong
 */
class User_service
{
  private $_model;
  private $_refer_log_model      = NULL;
  private $_token_model          = NULL;
  private $_email_model          = NULL;
  private $_email_service        = NULL;
  private $_user_model           = NULL;
  private $_member_profile_model = NULL;
  private $_factory;

  public function __construct($credential_model, $user_model = NULL, $member_profile_model = NULL)
  {
    $this->_model   = $credential_model;
    $this->_factory = new User_factory($credential_model, $user_model, $member_profile_model);
  }

  public function set_refer_log_model($refer_log_model)
  {
    $this->_refer_log_model = $refer_log_model;
  }

  public function set_email_model($email_model)
  {
    $this->_email_model = $email_model;
  }

  public function set_token_model($token_model)
  {
    $this->_token_model = $token_model;
  }

  public function set_email_service($email_service)
  {
    $this->_email_service = $email_service;
  }

  public function set_user_model($user_model)
  {
    $this->_user_model = $user_model;
  }

  public function set_member_profile_model($member_profile_model)
  {
    $this->_member_profile_model = $member_profile_model;
  }

  /**
   * Register User
   *
   * @param string $email
   * @param string $password
   * @param integer $role
   * @param string $refer
   * @return integer|boolean
   */
  public function register($email, $password, $role, $refer = '', $refer_type = 0)
  {
    $user_id = $this->_factory->create($this->_model, $email, $password, $role, 'n');

    if ($user_id)
    {
      $refer_code = (isset($refer) && strlen($refer) > 0) ? $refer : '';
      if ($this->_refer_log_model && $refer_code != '')
      {
        $referrer_exist = $this->_model->get_by_field('refer', $refer_code);

        if ($referrer_exist)
        {
          $this->_refer_log_model->create([
            'user_id'          => $user_id,
            'referrer_user_id' => $referrer_exist->id,
            'status'           => 0,
            'type'             => $refer_type
          ]);
        }
      }

      return $user_id;
    }

    return FALSE;
  }

  /**
   * Register Social Login User
   *
   * @param string $email
   * @param string $type
   * @param integer $role
   * @param string $refer
   * @return integer|boolean
   */
  public function register_social($email, $type, $role, $refer = '', $refer_type = 0)
  {
    $user_id = $this->_factory->create($this->_model, $email, ' ', $role, $type);

    if ($user_id)
    {
      $refer_code = (isset($refer) && strlen($refer) > 0) ? $refer : '';
      if ($this->_refer_log_model && $refer_code != '')
      {
        $referrer_exist = $this->_model->get_by_field('refer', $refer_code);

        if ($referrer_exist)
        {
          $this->_refer_log_model->create([
            'user_id'          => $user_id,
            'referrer_user_id' => $referrer_exist->id,
            'status'           => 0,
            'type'             => $refer_type
          ]);
        }
      }

      return $user_id;
    }

    return FALSE;
  }

  /**
   * Create Full User
   *
   * @param string $email
   * @param string $password
   * @param string $first_name
   * @param string $last_name
   * @param integer $role
   * @param string $refer
   * @return integer|boolean
   */
  public function create($email, $password, $first_name, $last_name, $username, $role, $refer = '', $refer_type = 0)
  {
    $user_id = $this->_factory->create_full_user($this->_model, $email, $password, $first_name, $last_name, $username, $role, 'n');

    if ($user_id)
    {
      $refer_code = (isset($refer) && strlen($refer) > 0) ? $refer : '';

      if ($this->_refer_log_model && $refer_code != '')
      {
        $referrer_exist = $this->_model->get_by_field('refer', $refer_code);

        if ($referrer_exist)
        {
          $this->_refer_log_model->create([
            'user_id'          => $user_id,
            'referrer_user_id' => $referrer_exist->id,
            'status'           => 0,
            'refer_type'       => 0
          ]);
        }
      }
      return $this->_model->get($user_id);
    }

    return FALSE;
  }

  /**
   * login function.
   *
   * @access public
   * @param mixed $email
   * @param mixed $password
   * @return bool true on success, false on failure
   */
  public function login($email, $password)
  {
    $user = $this->_model->get_by_fields([
      'email'  => $email,
      'type'   => 'n',
      'status' => $this->_model->get_mapping()::ACTIVE
    ]);

    if ($user)
    {
      return password_verify($password, $user->password) ? $user : FALSE;
    }

    return FALSE;
  }

  /**
   * login by role function.
   *
   * @access public
   * @param mixed $email
   * @param mixed $password
   * @return bool true on success, false on failure
   */
  public function login_by_role($email, $password, $role_id)
  {
    $user = $this->_model->get_by_fields([
      'email'   => $email,
      'type'    => 'n',
      'role_id' => $role_id,
      'status'  => $this->_model->get_mapping()::ACTIVE
    ]);

    if ($user)
    {
      return password_verify($password, $user->password) ? $user : FALSE;
    }

    return FALSE;
  }

  /**
   * get_redirect function.
   *
   * @access public
   * @param string $redirect
   * @return string
   */
  public function get_redirect($redirect, $default = '')
  {
    return (strlen($redirect) > 0) ? $redirect : $default;
  }

  /**
   * Edit User Profile
   *
   * @param mixed $data
   * @param integer $id
   * @return boolean
   */
  public function edit_user($data, $id)
  {
    foreach ($data as $key => $value)
    {
      if (is_string($value) && $data[$key] == '')
      {
        unset($data[$key]);
      }
    }

    if (isset($data['password']) && strlen($data['password']) > 0)
    {
      $data['password'] = str_replace('$2y$', '$2b$', password_hash($data['password'], PASSWORD_BCRYPT));
    }

    return $this->_model->edit($data, $id);
  }

  /**
   * Reset Password Token
   *
   * @param integer $user_id
   * @return string
   */
  public function reset_password_token($user_id, $limit_chars = false)
  {
    $token = rand(1000000, 9999999) . rand(1000000, 9999999) . rand(1000000, 9999999);

    if ($limit_chars)
    {
      $token = substr($token, 0, 7);
    }

    $ttl_seconds = (24 * 60 * 60);
    $this->_token_model->create([
      'token'     => $token,
      'data'      => '{}',
      'type'      => 0,
      'user_id'   => $user_id,
      'ttl'       => $ttl_seconds,
      'issue_at'  => date('Y-m-j H:i:s'),
      'expire_at' => date('Y-m-j H:i:s', time() + $ttl_seconds),
      'status'    => 1
    ]);
    return $token;
  }

  /**
   * Forgot Password
   *
   * @param integer $id
   * @param string $from_email
   * @param string $link
   * @return boolean
   */
  public function forgot_password($email, $from_email, $link, $role)
  {
    $user = $this->_model->get_by_fields([
      'email' => $email,
      'type'  => 'n'
    ]);

    if ($user && $user->status == $this->_model->get_mapping()::ACTIVE)
    {
        $token = $this->reset_password_token($user->id, TRUE);
        $to    = $email;

        if (!$this->_email_model)
        {
            throw new Exception('Missing Email Model');
        }

        $template = $this->_email_model->get_template('reset-password', [
            'email'       => $email,
            'reset_token' => $token,
            'link'        => $link
        ]);
 
        $html = $template->html; 
        $html .= "<br> Thanks,";
        $html .= "<br><br> The OutlineGurus Team";
        $html .= "<br> <img  src='" . base_url('assets/frontend/img/logo.png'). "' style='width:149px' />";
         
        return $this->_email_service->send($from_email, $to, $template->subject, $html);
    }

    return FALSE;
  }

  public function send_verify_token($email, $from_email, $link, $role)
  {
    $user = $this->_model->get_by_fields([
      'email' => $email,
      'type'  => 'n'
    ]);

    if ($user && $user->status == $this->_model->get_mapping()::ACTIVE)
    {
      $token = $this->reset_password_token($user->user_id, TRUE);
      $to    = $email;

      if (!$this->_email_model)
      {
        throw new Exception('Missing Email Model');
      }

      $template = $this->_email_model->get_template('verify', [
        'code' => $token
      ]);
      return $this->_email_service->send($from_email, $to, $template->subject, $template->html);
    }

    return FALSE;
  }

  /**
   * Validate Reset Token
   *
   * @param string $token
   * @param integer $user_id
   * @return boolean|mixed
   */
  public function valid_reset_token($token)
  {
    $token_found = $this->_token_model->get_by_fields([
      'token'  => $token,
      'status' => 1
    ]);

    if ($token_found)
    {
      return $this->_model->get($token_found->user_id);
    }

    return FALSE;
  }

  /**
   * Invalidate Token
   *
   * @param string $token
   * @param integer $user_id
   * @return boolean
   */
  public function invalidate_token($token, $user_id)
  {
    $token_found = $this->_token_model->get_by_fields([
      'token'   => $token,
      'user_id' => $user_id
    ]);

    if ($token_found)
    {
      return $this->_token_model->edit([
        'status' => 0
      ], $token_found->id);
    }

    return FALSE;
  }

  /**
   * Reset Password
   *
   * @param integer $user_id
   * @param string $password
   * @return boolean
   */
  public function reset_password($user_id, $password)
  {
    $user = $this->_model->get($user_id);

    if ($user->status == $this->_model->get_mapping()::ACTIVE)
    {
      return $this->_model->edit([
        'password' => str_replace('$2y$', '$2b$', password_hash($password, PASSWORD_BCRYPT))
      ], $user_id);
    }

    return FALSE;
  }

  /**
   * existing_google_user_from_email function that find if user is google user.
   *
   * @access private
   * @param mixed $email
   * @return int the user id
   */
  public function is_google_user($user)
  {
    return ($user->type == $this->_model->get_mapping()::GOOGLE_LOGIN_TYPE) && ($user->status == $this->_model->get_mapping()::ACTIVE);
  }

  /**
   * existing_github_user_from_email function that find if user is github user.
   *
   * @access private
   * @param mixed $email
   * @return int the user id
   */
  private function is_github_user($user)
  {
    return ($user->type == $this->_model->get_mapping()::GITHUB_LOGIN_TYPE) && ($user->status == $this->_model->get_mapping()::ACTIVE);
  }

  /**
   * existing_facebook_user_from_email function that find if user is facebook user.
   *
   * @access private
   * @param mixed $email
   * @return int the user id
   */
  public function is_facebook_user($user)
  {
    return ($user->type == 'f') && ($user->status == $this->_model->get_mapping()::ACTIVE);
  }
}