<?php

require_once('include/Contact.php');
require_once('include/socgraph.php');
require_once('include/contact_selectors.php');

function contacts_init(&$a) {
	if(! local_user())
		return;

	$contact_id = 0;

	if(($a->argc == 2) && intval($a->argv[1])) {
		$contact_id = intval($a->argv[1]);
		$r = q("SELECT * FROM `contact` WHERE `uid` = %d and `id` = %d LIMIT 1",
			intval(local_user()),
			intval($contact_id)
		);
		if(! count($r)) {
			$contact_id = 0;
		}
	}

	require_once('include/group.php');
	require_once('include/contact_widgets.php');

	if(! x($a->page,'aside'))
		$a->page['aside'] = '';

	if($contact_id) {
			$a->data['contact'] = $r[0];
			$vcard_widget = replace_macros(get_markup_template("vcard-widget.tpl"),array(
				'$name' => $a->data['contact']['name'],
				'$photo' => $a->data['contact']['photo']
			));
			$follow_widget = '';
	}
	else {
		$vcard_widget = '';
		$follow_widget = follow_widget();
	}

	$groups_widget .= group_side('contacts','group',false,0,$contact_id);
	$findpeople_widget .= findpeople_widget();
	$networks_widget .= networks_widget('contacts',$_GET['nets']);
	$a->page['aside'] .= replace_macros(get_markup_template("contacts-widget-sidebar.tpl"),array(
		'$vcard_widget' => $vcard_widget,
		'$follow_widget' => $follow_widget,
		'$groups_widget' => $groups_widget,
		'$findpeople_widget' => $findpeople_widget,
		'$networks_widget' => $networks_widget
	));

	$base = $a->get_baseurl();
	$tpl = get_markup_template("contacts-head.tpl");
	$a->page['htmlhead'] .= replace_macros($tpl,array(
		'$baseurl' => $a->get_baseurl(true),
		'$base' => $base
	));

	$tpl = get_markup_template("contacts-end.tpl");
	$a->page['end'] .= replace_macros($tpl,array(
		'$baseurl' => $a->get_baseurl(true),
		'$base' => $base
	));


}

function contacts_batch_actions(&$a){
	$contacts_id = $_POST['contact_batch'];
	if (!is_array($contacts_id)) return;
	
	$orig_records = q("SELECT * FROM `contact` WHERE `id` IN (%s) AND `uid` = %d AND `self` = 0",
		implode(",", $contacts_id),
		intval(local_user())
	);
	
	$count_actions=0;
	foreach($orig_records as $orig_record) {
		$contact_id = $orig_record['id'];
		if (x($_POST, 'contacts_batch_update')) {
			_contact_update($contact_id);
			$count_actions++;
		}
		if (x($_POST, 'contacts_batch_block')) {
			$r  = _contact_block($contact_id, $orig_record);
			if ($r) $count_actions++;
		}
		if (x($_POST, 'contacts_batch_ignore')) {
			$r = _contact_ignore($contact_id, $orig_record);
			if ($r) $count_actions++;
		}
		if (x($_POST, 'contacts_batch_archive')) {
			$r = _contact_archive($contact_id, $orig_record);
			if ($r) $count_actions++;
		}
		if (x($_POST, 'contacts_batch_drop')) {
			_contact_drop($contact_id, $orig_record);
			$count_actions++;
		}
	}
	if ($count_actions>0) {
		info ( sprintf( tt("%d contact edited.", "%d contacts edited", $count_actions), $count_actions) );
	}
	
	if(x($_SESSION,'return_url'))
		goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
	else
		goaway($a->get_baseurl(true) . '/contacts');

}


function contacts_post(&$a) {
	
	if(! local_user())
		return;

	if ($a->argv[1]==="batch") {
		contacts_batch_actions($a);
		return;
	}

	$contact_id = intval($a->argv[1]);
	if(! $contact_id)
		return;

	$orig_record = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
		intval($contact_id),
		intval(local_user())
	);

	if(! count($orig_record)) {
		notice( t('Could not access contact record.') . EOL);
		goaway($a->get_baseurl(true) . '/contacts');
		return; // NOTREACHED
	}

	call_hooks('contact_edit_post', $_POST);

	$profile_id = intval($_POST['profile-assign']);
	if($profile_id) {
		$r = q("SELECT `id` FROM `profile` WHERE `id` = %d AND `uid` = %d LIMIT 1",
			intval($profile_id),
			intval(local_user())
		);
		if(! count($r)) {
			notice( t('Could not locate selected profile.') . EOL);
			return;
		}
	}

	$hidden = intval($_POST['hidden']);

	$priority = intval($_POST['poll']);
	if($priority > 5 || $priority < 0)
		$priority = 0;

	$info = fix_mce_lf(escape_tags(trim($_POST['info'])));

	$r = q("UPDATE `contact` SET `profile-id` = %d, `priority` = %d , `info` = '%s',
		`hidden` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
		intval($profile_id),
		intval($priority),
		dbesc($info),
		intval($hidden),
		intval($contact_id),
		intval(local_user())
	);
	if($r)
		info( t('Contact updated.') . EOL);
	else
		notice( t('Failed to update contact record.') . EOL);

	$r = q("select * from contact where id = %d and uid = %d limit 1",
		intval($contact_id),
		intval(local_user())
	);
	if($r && count($r))
		$a->data['contact'] = $r[0];

	return;

}

/*contact actions*/
function _contact_update($contact_id) {
	// pull feed and consume it, which should subscribe to the hub.
	proc_run('php',"include/poller.php","$contact_id"); 
}
function _contact_block($contact_id, $orig_record) {
	$blocked = (($orig_record['blocked']) ? 0 : 1);
	$r = q("UPDATE `contact` SET `blocked` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
		intval($blocked),
		intval($contact_id),
		intval(local_user())
	);
	return $r;

}
function _contact_ignore($contact_id, $orig_record) {
	$readonly = (($orig_record['readonly']) ? 0 : 1);
	$r = q("UPDATE `contact` SET `readonly` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
		intval($readonly),
		intval($contact_id),
		intval(local_user())
	);
	return $r;
}
function _contact_archive($contact_id, $orig_record) {
	$archived = (($orig_record['archive']) ? 0 : 1);
	$r = q("UPDATE `contact` SET `archive` = %d WHERE `id` = %d AND `uid` = %d LIMIT 1",
		intval($archived),
		intval($contact_id),
		intval(local_user())
	);
	if ($archived) {
		q("UPDATE `item` SET `private` = 2 WHERE `contact-id` = %d AND `uid` = %d", intval($contact_id), intval(local_user()));
	}
	return $r;
}
function _contact_drop($contact_id, $orig_record) {
	require_once('include/Contact.php');
	$a = get_app();

	terminate_friendship($a->user,$a->contact,$orig_record);
	contact_remove($orig_record['id']);
}


function contacts_content(&$a) {

	$sort_type = 0;
	$o = '';
	nav_set_selected('contacts');


	if(! local_user()) {
		notice( t('Permission denied.') . EOL);
		return;
	}

	if($a->argc == 3) {

		$contact_id = intval($a->argv[1]);
		if(! $contact_id)
			return;

		$cmd = $a->argv[2];

		$orig_record = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d AND `self` = 0 LIMIT 1",
			intval($contact_id),
			intval(local_user())
		);

		if(! count($orig_record)) {
			notice( t('Could not access contact record.') . EOL);
			goaway($a->get_baseurl(true) . '/contacts');
			return; // NOTREACHED
		}
		
		if($cmd === 'update') {
			_contact_update($contact_id);
			goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
			// NOTREACHED
		}

		if($cmd === 'block') {
			$r = _contact_block($contact_id, $orig_record[0]);
			if($r) {
				info( (($blocked) ? t('Contact has been blocked') : t('Contact has been unblocked')) . EOL );
			}
			
			goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
			return; // NOTREACHED
		}

		if($cmd === 'ignore') {
			$r = _contact_ignore($contact_id, $orig_record[0]);
			if($r) {
				info( (($readonly) ? t('Contact has been ignored') : t('Contact has been unignored')) . EOL );
			}
			
			goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
			return; // NOTREACHED
		}


		if($cmd === 'archive') {
			$r = _contact_archive($contact_id, $orig_record[0]);
			if($r) {
				info( (($archived) ? t('Contact has been archived') : t('Contact has been unarchived')) . EOL );
			}			
			
			goaway($a->get_baseurl(true) . '/contacts/' . $contact_id);
			return; // NOTREACHED
		}

		if($cmd === 'drop') {

			// Check if we should do HTML-based delete confirmation
			if($_REQUEST['confirm']) {
				// <form> can't take arguments in its "action" parameter
				// so add any arguments as hidden inputs
				$query = explode_querystring($a->query_string);
				$inputs = array();
				foreach($query['args'] as $arg) {
					if(strpos($arg, 'confirm=') === false) {
						$arg_parts = explode('=', $arg);
						$inputs[] = array('name' => $arg_parts[0], 'value' => $arg_parts[1]);
					}
				}

				$a->page['aside'] = '';
				return replace_macros(get_markup_template('confirm.tpl'), array(
					'$method' => 'get',
					'$message' => t('Do you really want to delete this contact?'),
					'$extra_inputs' => $inputs,
					'$confirm' => t('Yes'),
					'$confirm_url' => $query['base'],
					'$confirm_name' => 'confirmed',
					'$cancel' => t('Cancel'),
				));
			}
			// Now check how the user responded to the confirmation query
			if($_REQUEST['canceled']) {
				if(x($_SESSION,'return_url'))
					goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
				else
					goaway($a->get_baseurl(true) . '/contacts');
			}

			_contact_drop($contact_id, $orig_record[0]);
			info( t('Contact has been removed.') . EOL );
			if(x($_SESSION,'return_url'))
				goaway($a->get_baseurl(true) . '/' . $_SESSION['return_url']);
			else
				goaway($a->get_baseurl(true) . '/contacts');
			return; // NOTREACHED
		}
	}


	$_SESSION['return_url'] = $a->query_string;

	if((x($a->data,'contact')) && (is_array($a->data['contact']))) {

		$contact_id = $a->data['contact']['id'];
		$contact = $a->data['contact'];

		$editselect = 'none';
		if( feature_enabled(local_user(),'richtext') )
			$editselect = 'exact';

		$a->page['htmlhead'] .= replace_macros(get_markup_template('contact_head.tpl'), array(
			'$baseurl' => $a->get_baseurl(true),
			'$editselect' => $editselect,
		));
		$a->page['end'] .= replace_macros(get_markup_template('contact_end.tpl'), array(
			'$baseurl' => $a->get_baseurl(true),
			'$editselect' => $editselect,
		));

		require_once('include/contact_selectors.php');

		$tpl = get_markup_template("contact_edit.tpl");

		switch($contact['rel']) {
			case CONTACT_IS_FRIEND:
				$dir_icon = 'images/lrarrow.gif';
				$relation_text = t('You are mutual friends with %s');
				break;
			case CONTACT_IS_FOLLOWER;
				$dir_icon = 'images/larrow.gif';
				$relation_text = t('You are sharing with %s');
				break;
	
			case CONTACT_IS_SHARING;
				$dir_icon = 'images/rarrow.gif';
				$relation_text = t('%s is sharing with you');
				break;
			default:
				break;
		}

		$relation_text = sprintf($relation_text,$contact['name']);

		if(($contact['network'] === NETWORK_DFRN) && ($contact['rel'])) {
			$url = "redir/{$contact['id']}";
			$sparkle = ' class="sparkle" ';
		}
		else { 
			$url = $contact['url'];
			$sparkle = '';
		}

		$insecure = t('Private communications are not available for this contact.');

		$last_update = (($contact['last-update'] == '0000-00-00 00:00:00') 
				? t('Never') 
				: datetime_convert('UTC',date_default_timezone_get(),$contact['last-update'],'D, j M Y, g:i A'));

		if($contact['last-update'] !== '0000-00-00 00:00:00')
			$last_update .= ' ' . (($contact['last-update'] == $contact['success_update']) ? t("\x28Update was successful\x29") : t("\x28Update was not successful\x29"));

		$lblsuggest = (($contact['network'] === NETWORK_DFRN) ? t('Suggest friends') : '');

		$poll_enabled = (($contact['network'] !== NETWORK_DIASPORA) ? true : false);

		$nettype = sprintf( t('Network type: %s'),network_to_name($contact['network']));

		$common = count_common_friends(local_user(),$contact['id']);
		$common_text = (($common) ? sprintf( tt('%d contact in common','%d contacts in common', $common),$common) : '');

		$polling = (($contact['network'] === NETWORK_MAIL | $contact['network'] === NETWORK_FEED) ? 'polling' : ''); 

		$x = count_all_friends(local_user(), $contact['id']);
		$all_friends = (($x) ? t('View all contacts') : '');

		// tabs
		$tabs = array(
			array(
				'label' => (($contact['blocked']) ? t('Unblock') : t('Block') ),
				'url'   => $a->get_baseurl(true) . '/contacts/' . $contact_id . '/block',
				'sel'   => '',
				'title' => t('Toggle Blocked status'),
			),
			array(
				'label' => (($contact['readonly']) ? t('Unignore') : t('Ignore') ),
				'url'   => $a->get_baseurl(true) . '/contacts/' . $contact_id . '/ignore',
				'sel'   => '',
				'title' => t('Toggle Ignored status'),
			),

			array(
				'label' => (($contact['archive']) ? t('Unarchive') : t('Archive') ),
				'url'   => $a->get_baseurl(true) . '/contacts/' . $contact_id . '/archive',
				'sel'   => '',
				'title' => t('Toggle Archive status'),
			),
			array(
				'label' => t('Repair'),
				'url'   => $a->get_baseurl(true) . '/crepair/' . $contact_id,
				'sel'   => '',
				'title' => t('Advanced Contact Settings'),
			)
		);
		$tab_tpl = get_markup_template('common_tabs.tpl');
		$tab_str = replace_macros($tab_tpl, array('$tabs' => $tabs));

		$lost_contact = (($contact['archive'] && $contact['term-date'] != '0000-00-00 00:00:00' && $contact['term-date'] < datetime_convert('','','now')) ? t('Communications lost with this contact!') : '');

		$o .= replace_macros($tpl, array(
			'$header' => t('Contact Editor'),
			'$tab_str' => $tab_str,
			'$submit' => t('Submit'),
			'$lbl_vis1' => t('Profile Visibility'),
			'$lbl_vis2' => sprintf( t('Please choose the profile you would like to display to %s when viewing your profile securely.'), $contact['name']),
			'$lbl_info1' => t('Contact Information / Notes'),
			'$infedit' => t('Edit contact notes'),
			'$common_text' => $common_text,
			'$common_link' => $a->get_baseurl(true) . '/common/loc/' . local_user() . '/' . $contact['id'],
			'$all_friends' => $all_friends,
			'$relation_text' => $relation_text,
			'$visit' => sprintf( t('Visit %s\'s profile [%s]'),$contact['name'],$contact['url']),
			'$blockunblock' => t('Block/Unblock contact'),
			'$ignorecont' => t('Ignore contact'),
			'$lblcrepair' => t("Repair URL settings"),
			'$lblrecent' => t('View conversations'),
			'$lblsuggest' => $lblsuggest,
			'$delete' => t('Delete contact'),
			'$nettype' => $nettype,
			'$poll_interval' => contact_poll_interval($contact['priority'],(! $poll_enabled)),
			'$poll_enabled' => $poll_enabled,
			'$lastupdtext' => t('Last update:'),
			'$lost_contact' => $lost_contact,
			'$updpub' => t('Update public posts'),
			'$last_update' => $last_update,
			'$udnow' => t('Update now'),
			'$profile_select' => contact_profile_assign($contact['profile-id'],(($contact['network'] !== NETWORK_DFRN) ? true : false)),
			'$contact_id' => $contact['id'],
			'$block_text' => (($contact['blocked']) ? t('Unblock') : t('Block') ),
			'$ignore_text' => (($contact['readonly']) ? t('Unignore') : t('Ignore') ),
			'$insecure' => (($contact['network'] !== NETWORK_DFRN && $contact['network'] !== NETWORK_MAIL && $contact['network'] !== NETWORK_FACEBOOK && $contact['network'] !== NETWORK_DIASPORA) ? $insecure : ''),
			'$info' => $contact['info'],
			'$blocked' => (($contact['blocked']) ? t('Currently blocked') : ''),
			'$ignored' => (($contact['readonly']) ? t('Currently ignored') : ''),
			'$archived' => (($contact['archive']) ? t('Currently archived') : ''),
			'$hidden' => array('hidden', t('Hide this contact from others'), ($contact['hidden'] == 1), t('Replies/likes to your public posts <strong>may</strong> still be visible')),
			'$photo' => $contact['photo'],
			'$name' => $contact['name'],
			'$dir_icon' => $dir_icon,
			'$alt_text' => $alt_text,
			'$sparkle' => $sparkle,
			'$url' => $url,

		));

		$arr = array('contact' => $contact,'output' => $o);

		call_hooks('contact_edit', $arr);

		return $arr['output'];

	}

	$blocked = false;
	$hidden = false;
	$ignored = false;
	$all = false;

	if(($a->argc == 2) && ($a->argv[1] === 'all')) {
		$sql_extra = '';
		$all = true;
	}
	elseif(($a->argc == 2) && ($a->argv[1] === 'blocked')) {
		$sql_extra = " AND `blocked` = 1 ";
		$blocked = true;
	}
	elseif(($a->argc == 2) && ($a->argv[1] === 'hidden')) {
		$sql_extra = " AND `hidden` = 1 ";
		$hidden = true;
	}
	elseif(($a->argc == 2) && ($a->argv[1] === 'ignored')) {
		$sql_extra = " AND `readonly` = 1 ";
		$ignored = true;
	}
	elseif(($a->argc == 2) && ($a->argv[1] === 'archived')) {
		$sql_extra = " AND `archive` = 1 ";
		$archived = true;
	}
	else
		$sql_extra = " AND `blocked` = 0 ";

	$search = ((x($_GET,'search')) ? notags(trim($_GET['search'])) : '');
	$nets = ((x($_GET,'nets')) ? notags(trim($_GET['nets'])) : '');

	$tabs = array(
		array(
			'label' => t('Suggestions'),
			'url'   => $a->get_baseurl(true) . '/suggest', 
			'sel'   => '',
			'title' => t('Suggest potential friends'),
		),
		array(
			'label' => t('All Contacts'),
			'url'   => $a->get_baseurl(true) . '/contacts/all', 
			'sel'   => ($all) ? 'active' : '',
			'title' => t('Show all contacts'),
		),
		array(
			'label' => t('Unblocked'),
			'url'   => $a->get_baseurl(true) . '/contacts',
			'sel'   => ((! $all) && (! $blocked) && (! $hidden) && (! $search) && (! $nets) && (! $ignored) && (! $archived)) ? 'active' : '',
			'title' => t('Only show unblocked contacts'),
		),

		array(
			'label' => t('Blocked'),
			'url'   => $a->get_baseurl(true) . '/contacts/blocked',
			'sel'   => ($blocked) ? 'active' : '',
			'title' => t('Only show blocked contacts'),
		),

		array(
			'label' => t('Ignored'),
			'url'   => $a->get_baseurl(true) . '/contacts/ignored',
			'sel'   => ($ignored) ? 'active' : '',
			'title' => t('Only show ignored contacts'),
		),

		array(
			'label' => t('Archived'),
			'url'   => $a->get_baseurl(true) . '/contacts/archived',
			'sel'   => ($archived) ? 'active' : '',
			'title' => t('Only show archived contacts'),
		),

		array(
			'label' => t('Hidden'),
			'url'   => $a->get_baseurl(true) . '/contacts/hidden',
			'sel'   => ($hidden) ? 'active' : '',
			'title' => t('Only show hidden contacts'),
		),

	);

	$tab_tpl = get_markup_template('common_tabs.tpl');
	$t = replace_macros($tab_tpl, array('$tabs'=>$tabs));


	$searching = false;
	if($search) {
		$search_hdr = $search;
		$search_txt = dbesc(protect_sprintf(preg_quote($search)));
		$searching = true;
	}
	$sql_extra .= (($searching) ? " AND (name REGEXP '$search_txt' OR url REGEXP '$search_txt'  OR nick REGEXP '$search_txt') " : "");

	if($nets)
		$sql_extra .= sprintf(" AND network = '%s' ", dbesc($nets));
 
	$sql_extra2 = ((($sort_type > 0) && ($sort_type <= CONTACT_IS_FRIEND)) ? sprintf(" AND `rel` = %d ",intval($sort_type)) : ''); 

	
	$r = q("SELECT COUNT(*) AS `total` FROM `contact` 
		WHERE `uid` = %d AND `self` = 0 AND `pending` = 0 $sql_extra $sql_extra2 ",
		intval($_SESSION['uid']));
	if(count($r)) {
		$a->set_pager_total($r[0]['total']);
		$total = $r[0]['total'];
	}


	$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `pending` = 0 $sql_extra $sql_extra2 ORDER BY `name` ASC LIMIT %d , %d ",
		intval($_SESSION['uid']),
		intval($a->pager['start']),
		intval($a->pager['itemspage'])
	);

	$contacts = array();

	if(count($r)) {

		foreach($r as $rr) {

			switch($rr['rel']) {
				case CONTACT_IS_FRIEND:
					$dir_icon = 'images/lrarrow.gif';
					$alt_text = t('Mutual Friendship');
					break;
				case  CONTACT_IS_FOLLOWER;
					$dir_icon = 'images/larrow.gif';
					$alt_text = t('is a fan of yours');
					break;
				case CONTACT_IS_SHARING;
					$dir_icon = 'images/rarrow.gif';
					$alt_text = t('you are a fan of');
					break;
				default:
					break;
			}
			if(($rr['network'] === 'dfrn') && ($rr['rel'])) {
				$url = "redir/{$rr['id']}";
				$sparkle = ' class="sparkle" ';
			}
			else { 
				$url = $rr['url'];
				$sparkle = '';
			}


			$contacts[] = array(
				'img_hover' => sprintf( t('Visit %s\'s profile [%s]'),$rr['name'],$rr['url']),
				'edit_hover' => t('Edit contact'),
				'photo_menu' => contact_photo_menu($rr),
				'id' => $rr['id'],
				'alt_text' => $alt_text,
				'dir_icon' => $dir_icon,
				'thumb' => $rr['thumb'], 
				'name' => $rr['name'],
				'username' => $rr['name'],
				'sparkle' => $sparkle,
				'itemurl' => $rr['url'],
				'url' => $url,
				'network' => network_to_name($rr['network']),
			);
		}

		
	}
	
	$tpl = get_markup_template("contacts-template.tpl");
	$o .= replace_macros($tpl, array(
		'$baseurl' => $a->get_baseurl(),
		'$header' => t('Contacts') . (($nets) ? ' - ' . network_to_name($nets) : ''),
		'$tabs' => $t,
		'$total' => $total,
		'$search' => $search_hdr,
		'$desc' => t('Search your contacts'),
		'$finding' => (($searching) ? t('Finding: ') . "'" . $search . "'" : ""),
		'$submit' => t('Find'),
		'$cmd' => $a->cmd,
		'$contacts' => $contacts,
		'$contact_drop_confirm' => t('Do you really want to delete this contact?'),
		'$batch_actions' => array(
			'contacts_batch_update' => t('Update'),
			'contacts_batch_block' => t('Block')."/".t("Unblock"),
			"contacts_batch_ignore" => t('Ignore')."/".t("Unignore"),
			"contacts_batch_archive" => t('Archive')."/".t("Unarchive"),
			"contacts_batch_drop" => t('Delete'),
		),
		'$paginate' => paginate($a),

	)); 
	
	return $o;
}