<?php
namespace Zotlabs\Lib;

class DReport {

	private $location;
	private $sender;
	private $recipient;
	private $message_id;
	private $status;
	private $date;

	function __construct($location,$sender,$recipient,$message_id,$status = 'deliver') {
		$this->location   = $location;
		$this->sender     = $sender;
		$this->recipient  = $recipient;
		$this->name       = EMPTY_STR;
		$this->message_id = $message_id;
		$this->status     = $status;
		$this->date       = datetime_convert();
	}

	function update($status) {
		$this->status     = $status;
		$this->date       = datetime_convert();
	}

	function set_name($name) {
		$this->name = $name;
	}

	function addto_update($status) {
		$this->status = $this->status . ' ' . $status;
	}


	function set($arr) {
		$this->location   = $arr['location'];
		$this->sender     = $arr['sender'];
		$this->recipient  = $arr['recipient'];
		$this->name       = $arr['name'];
		$this->message_id = $arr['message_id'];
		$this->status     = $arr['status'];
		$this->date       = $arr['date'];
	}

	function get() {
		return array(
			'location'   => $this->location,
			'sender'     => $this->sender,
			'recipient'  => $this->recipient,
			'name'       => $this->name,
			'message_id' => $this->message_id,
			'status'     => $this->status,
			'date'       => $this->date
		);
	}

	/**
	 * @brief decide whether to store a returned delivery report
	 *
	 * @param array $dr
	 * @return boolean
	 */

	static function is_storable($dr) {

		if(get_config('system', 'disable_dreport'))
			return false;

		/**
		 * @hooks dreport_is_storable
		 *   Called before storing a dreport record to determine whether to store it.
		 *   * \e array
		 */

		call_hooks('dreport_is_storable', $dr);

		// let plugins accept or reject - if neither, continue on
		if(array_key_exists('accept',$dr) && intval($dr['accept']))
			return true;
		if(array_key_exists('reject',$dr) && intval($dr['reject']))
			return false;

		if(! ($dr['sender']))
			return false;

		// Is the sender one of our channels?

		$c = q("select channel_id from channel where channel_hash = '%s' limit 1",
			dbesc($dr['sender'])
		);

		if(! $c)
			return false;

		// is the recipient one of our connections, or do we want to store every report?

		$pcf = get_pconfig($c[0]['channel_id'],'system','dreport_store_all');
		if($pcf)
			return true;

		// We always add ourself as a recipient to private and relayed posts
		// So if a remote site says they can't find us, that's no big surprise
		// and just creates a lot of extra report noise

		if(($dr['location'] !== z_root()) && ($dr['sender'] === $dr['recipient']) && ($dr['status'] === 'recipient not found'))
			return false;

		// If you have a private post with a recipient list, every single site is going to report
		// back a failed delivery for anybody on that list that isn't local to them. We're only
		// concerned about this if we have a local hubloc record which says we expected them to
		// have a channel on that site.

		$r = q("select hubloc_id from hubloc where hubloc_hash = '%s' and hubloc_url = '%s'",
			dbesc($dr['recipient']),
			dbesc($dr['location'])
		);
		if((! $r) && ($dr['status'] === 'recipient_not_found'))
			return false;

		$r = q("select abook_id from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
			dbesc($dr['recipient']),
			intval($c[0]['channel_id'])
		);
		if($r)
			return true;

		return false;
	}


}
