<?php
require_once dirname(__FILE__).'/class/base_classes.php';

/**
 * Class to access a clients resources from the create send API.
 * This class includes functions to create and edit clients,
 * along with accessing lists of client specific resources e.g campaigns
 * @author tobyb
 *
 */
class CS_REST_Clients extends CS_REST_Wrapper_Base {

    /**
     * The base route of the clients resource.
     * @var string
     * @access private
     */
    var $_clients_base_route;

    /**
     * Constructor.
     * @param $client_id string The client id to access (Ignored for create requests)
     * @param $auth_details array Authentication details to use for API calls.
     *        This array must take one of the following forms:
     *        If using OAuth to authenticate:
     *        array(
     *          'access_token' => 'your access token',
     *          'refresh_token' => 'your refresh token')
     *
     *        Or if using an API key:
     *        array('api_key' => 'your api key')
     * @param $protocol string The protocol to use for requests (http|https)
     * @param $debug_level int The level of debugging required CS_REST_LOG_NONE | CS_REST_LOG_ERROR | CS_REST_LOG_WARNING | CS_REST_LOG_VERBOSE
     * @param $host string The host to send API requests to. There is no need to change this
     * @param $log CS_REST_Log The logger to use. Used for dependency injection
     * @param $serialiser The serialiser to use. Used for dependency injection
     * @param $transport The transport to use. Used for dependency injection
     * @access public
     */
    function __construct(
    $client_id,
    $auth_details,
    $protocol = 'https',
    $debug_level = CS_REST_LOG_NONE,
    $host = 'api.createsend.com',
    $log = NULL,
    $serialiser = NULL,
    $transport = NULL) {
        	
        parent::__construct($auth_details, $protocol, $debug_level, $host, $log, $serialiser, $transport);
        $this->set_client_id($client_id);
    }

    /**
     * Change the client id used for calls after construction
     * @param $client_id
     * @access public
     */
    function set_client_id($client_id) {
        $this->_clients_base_route = $this->_base_route.'clients/'.$client_id.'/';
    }

    /**
     * Gets a list of sent campaigns for the current client
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'WebVersionURL' => The web version url of the campaign
     *         'WebVersionTextURL' => The web version url of the text version of the campaign
     *         'CampaignID' => The id of the campaign
     *         'Subject' => The campaign subject
     *         'Name' => The name of the campaign
     *         'FromName' => The from name for the campaign
     *         'FromEmail' => The from email address for the campaign
     *         'ReplyTo' => The reply to email address for the campaign
     *         'SentDate' => The sent data of the campaign
     *         'TotalRecipients' => The number of recipients of the campaign
     *     }
     * )
     */
    function get_campaigns() {
        return $this->get_request($this->_clients_base_route.'campaigns.json');
    }

    /**
     * Gets a list of scheduled campaigns for the current client
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'CampaignID' => The id of the campaign
     *         'Name' => The name of the campaign
     *         'Subject' => The subject of the campaign
     *         'FromName' => The from name for the campaign
     *         'FromEmail' => The from email address for the campaign
     *         'ReplyTo' => The reply to email address for the campaign
     *         'DateCreated' => The date the campaign was created
     *         'PreviewURL' => The preview url of the campaign
     *         'PreviewTextURL' => The preview url of the text version of the campaign
     *         'DateScheduled' => The date the campaign is scheduled to be sent
     *         'ScheduledTimeZone' => The time zone in which the campaign is scheduled to be sent at 'DateScheduled'
     *     }
     * )
     */
    function get_scheduled() {
        return $this->get_request($this->_clients_base_route.'scheduled.json');
    }

    /**
     * Gets a list of draft campaigns for the current client
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'CampaignID' => The id of the campaign
     *         'Name' => The name of the campaign
     *         'Subject' => The subject of the campaign
     *         'FromName' => The from name for the campaign
     *         'FromEmail' => The from email address for the campaign
     *         'ReplyTo' => The reply to email address for the campaign
     *         'DateCreated' => The date the campaign was created
     *         'PreviewURL' => The preview url of the draft campaign
     *         'PreviewTextURL' => The preview url of the text version of the campaign
     *     }
     * )
     */
    function get_drafts() {
        return $this->get_request($this->_clients_base_route.'drafts.json');
    }

    /**
     * Gets all subscriber lists the current client has created
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'ListID' => The id of the list
     *         'Name' => The name of the list
     *     }
     * )
     */
    function get_lists() {
        return $this->get_request($this->_clients_base_route.'lists.json');
    }

    /**
     * Gets the lists across a client to which a subscriber with a particular
     * email address belongs.
     * @param string $email_address Subscriber's email address.
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'ListID' => The id of the list
     *         'ListName' => The name of the list
     *         'SubscriberState' => The state of the subscriber in the list
     *         'DateSubscriberAdded' => The date the subscriber was added
     *     }
     * )
     */
    function get_lists_for_email($email_address) {
        return $this->get_request($this->_clients_base_route . 
          'listsforemail.json?email='.urlencode($email_address));
    }

    /**
     * Gets all list segments the current client has created
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'ListID' => The id of the list owning this segment
     *         'SegmentID' => The id of this segment
     *         'Title' => The title of this segment
     *     }
     * )
     */
    function get_segments() {
        return $this->get_request($this->_clients_base_route.'segments.json');
    }

    /**
     * Gets all email addresses on the current client's suppression list
     * @param int $page_number The page number to get
     * @param int $page_size The number of records per page
     * @param string $order_field The field to order the record set by ('EMAIL', 'DATE')
     * @param string $order_direction The direction to order the record set ('ASC', 'DESC')
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * {
     *     'ResultsOrderedBy' => The field the results are ordered by
     *     'OrderDirection' => The order direction
     *     'PageNumber' => The page number for the result set
     *     'PageSize' => The page size used
     *     'RecordsOnThisPage' => The number of records returned
     *     'TotalNumberOfRecords' => The total number of records available
     *     'NumberOfPages' => The total number of pages for this collection
     *     'Results' => array(
     *         {
     *             'EmailAddress' => The suppressed email address
     *             'Date' => The date the email was suppressed
     *             'State' => The state of the suppressed email
     *         }
     *     )
     * }
     */
    function get_suppressionlist($page_number = NULL, $page_size = NULL, $order_field = NULL, 
        $order_direction = NULL) {
            
        return $this->get_request_paged($this->_clients_base_route.'suppressionlist.json', 
            $page_number, $page_size, $order_field, $order_direction, '?');
    }

    /**
     * Adds email addresses to a client's suppression list.
     * @param array<string> $emails The email addresses to suppress.
     * @access public
     */
    function suppress($emails) {
      $data = array('EmailAddresses' => $emails);
      return $this->post_request($this->_clients_base_route.'suppress.json', $data);
    }

    /**
     * Unsuppresses an email address by removing it from the the client's
     * suppression list.
     * @param string $email The email address to be unsuppressed
     * @access public
     */
    function unsuppress($email) {
      return $this->put_request($this->_clients_base_route.'unsuppress.json?email=' . urlencode($email), '');
    }

    /**
     * Gets all templates the current client has access to
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * array(
     *     {
     *         'TemplateID' => The id of the template
     *         'Name' => The name of the template
     *         'PreviewURL' => The url to preview the template from
     *         'ScreenshotURL' => The url of the template screenshot
     *     }
     * )
     */
    function get_templates() {
        return $this->get_request($this->_clients_base_route.'templates.json');
    }

    /**
     * Gets all templates the current client has access to
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form
     * {
     *     'ApiKey' => The clients API Key, THIS IS NOT THE CLIENT ID
     *     'BasicDetails' => 
     *     {
     *         'ClientID' => The id of the client
     *         'CompanyName' => The company name of the client
     *         'ContactName' => The contact name of the client
     *         'EmailAddress' => The clients contact email address
     *         'Country' => The clients country
     *         'TimeZone' => The clients timezone
     *     }
     *     'BillingDetails' =>
     *     If on monthly billing
     *     {
     *         'CurrentTier' => The current monthly tier the client sits in
     *         'CurrentMonthlyRate' => The current pricing rate the client pays per month
     *         'MarkupPercentage' => The percentage markup applied to the base rates
     *         'Currency' => The currency paid in
     *         'ClientPays' => Whether the client pays for themselves,
     *         'MonthlyScheme' => Basic or Unlimited
     *     }
     *     If paying per campaign
     *     {
     *         'CanPurchaseCredits' => Whether the client can purchase credits
     *         'Credits' => The number of credits belonging to the client
     *         'BaseDeliveryFee' => The base fee payable per campaign
     *         'BaseRatePerRecipient' => The base fee payable per campaign recipient
     *         'BaseDesignSpamTestRate' => The base fee payable per design and spam test
     *         'MarkupOnDelivery' => The markup applied per campaign
     *         'MarkupPerRecipient' => The markup applied per campaign recipient
     *         'MarkupOnDesignSpamTest' => The markup applied per design and spam test
     *         'Currency' => The currency fees are paid in
     *         'ClientPays' => Whether client client pays for themselves
     *     }     
     * }
     */
    function get() {
        return $this->get_request(trim($this->_clients_base_route, '/').'.json');
    }

    /**
     * Deletes an existing client from the system
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be empty
     */
    function delete() {
        return $this->delete_request(trim($this->_clients_base_route, '/').'.json');
    }

    /**
     * Creates a new client based on the provided information
     * @param array $client Basic information of the new client.
     *     This should be an array of the form
     *         array(
     *             'CompanyName' => The company name of the client
     *             'Country' => The clients country
     *             'TimeZone' => The clients timezone
     *         )
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be the ID of the newly created client
     */
    function create($client) {
      	if(isset($client['ContactName'])) {
      		trigger_error('[DEPRECATION] Use Person->add to set name on a new person in a client. For now, we will create a default person with the name provided.', E_USER_NOTICE);
      	}
      	if(isset($client['EmailAddress'])) {
      		trigger_error('[DEPRECATION] Use Person->add to set email on a new person in a client. For now, we will create a default person with the email provided.', E_USER_NOTICE);
      	}
        return $this->post_request($this->_base_route.'clients.json', $client);
    }

    /**
     * Updates the basic information for a client
     * @param array $client_basics Basic information of the client.
     *     This should be an array of the form
     *         array(
     *             'CompanyName' => The company name of the client
     *             'Country' => The clients country
     *             'TimeZone' => The clients timezone
     *         )
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be empty
     */
    function set_basics($client_basics) {
      	if(isset($client['ContactName'])) {
      		trigger_error('[DEPRECATION] Use person->update to set name on a particular person in a client. For now, we will update the default person with the name provided.', E_USER_NOTICE);
      	}
      	if(isset($client['EmailAddress'])) {
      		trigger_error('[DEPRECATION] Use person->update to set email on a particular person in a client. For now, we will update the default person with the email address provided.', E_USER_NOTICE);
      	}
        return $this->put_request($this->_clients_base_route.'setbasics.json', $client_basics);
    }

    /**
     * Updates the billing details of the current client, setting the client to the payg billing model
     * For clients not set to pay themselves then all fields below ClientPays are ignored
     * All Markup fields are optional
     * @param array $client_billing Payg billing details of the client.
     *     This should be an array of the form
     *         array(
     *             'Currency' => The currency fees are paid in
     *             'ClientPays' => Whether client client pays for themselves
     *             'MarkupPercentage' => Can be used to set the percentage markup for all unset fees
     *             'CanPurchaseCredits' => Whether the client can purchase credits
     *             'MarkupOnDelivery' => The markup applied per campaign
     *             'MarkupPerRecipient' => The markup applied per campaign recipient
     *             'MarkupOnDesignSpamTest' => The markup applied per design and spam test
     *         )
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be empty
     */
    function set_payg_billing($client_billing) {
        return $this->put_request($this->_clients_base_route.'setpaygbilling.json', $client_billing);
    }

    /**
     * Updates the billing details of the current client, setting the client to the monthly billing model
     * For clients not set to pay themselves then the markup percentage field is ignored
     * @param array $client_billing Payg billing details of the client.
     *     This should be an array of the form
     *         array(
     *             'Currency' => The currency fees are paid in
     *             'ClientPays' => Whether client client pays for themselves
     *             'MarkupPercentage' => Sets the percentage markup used for all monthly tiers
     *         )
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be empty
     */
    function set_monthly_billing($client_billing) {
        return $this->put_request($this->_clients_base_route.'setmonthlybilling.json', $client_billing);
    }

    /**
     * Transfer credits to or from this client.
     * 
     * @param array $transfer_data Details for the credit transfer. This array
     *   should be of the form:
     *     array(
     *      'Credits' => An in representing the number of credits to transfer.
     *        This value may be either positive if you want to allocate credits
     *        from your account to the client, or negative if you want to
     *        deduct credits from the client back into your account.
     *      'CanUseMyCreditsWhenTheyRunOut' => A boolean value which if set
     *        to true, will allow the client to continue sending using your
     *        credits or payment details once they run out of credits, and if
     *        set to false, will prevent the client from using your credits to
     *        continue sending until you allocate more credits to them.
     *     )
     * @access public
     * @return CS_REST_Wrapper_Result A successful response will be an object
     * of the form:
     * {
     *   'AccountCredits' => Integer representing credits in your account now
     *   'ClientCredits' => Integer representing credits in this client's
     *                      account now
     * }
     */
    function transfer_credits($transfer_data) {
        return $this->post_request($this->_clients_base_route.'credits.json',
        $transfer_data);
    }

    /**
     * returns the people associated with this client.
     * @return CS_REST_Wrapper_Result A successful response will be an object of the form 
     *     array({
     *     		'EmailAddress' => the email address of the person
     *     		'Name' => the name of the person
     *     		'AccessLevel' => the access level of the person
     *     		'Status' => the status of the person
     *     })
     */
    function get_people() {
    	return $this->get_request($this->_clients_base_route.'people.json');
    } 
    
    /**
     * retrieves the email address of the primary contact for this client
     * @return CS_REST_Wrapper_Result a successful response will be an array in the form:
     * 		array('EmailAddress'=> email address of primary contact)
     */
    function get_primary_contact() {
    	return $this->get_request($this->_clients_base_route.'primarycontact.json');
    }
    
    /**
     * assigns the primary contact for this client to the person with the specified email address
     * @param string $emailAddress the email address of the person designated to be the primary contact
     * @return CS_REST_Wrapper_Result a successful response will be an array in the form:
     * 		array('EmailAddress'=> email address of primary contact)
     */
    function set_primary_contact($emailAddress) {
    	return $this->put_request($this->_clients_base_route.'primarycontact.json?email=' . urlencode($emailAddress), '');
    }
}