*/
require('addon/buffer/bufferapp.php');
function buffer_install() {
	register_hook('post_local',           'addon/buffer/buffer.php', 'buffer_post_local');
	register_hook('notifier_normal',      'addon/buffer/buffer.php', 'buffer_send');
	register_hook('jot_networks',         'addon/buffer/buffer.php', 'buffer_jot_nets');
	register_hook('connector_settings',      'addon/buffer/buffer.php', 'buffer_settings');
	register_hook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
}
function buffer_uninstall() {
	unregister_hook('post_local',       'addon/buffer/buffer.php', 'buffer_post_local');
	unregister_hook('notifier_normal',  'addon/buffer/buffer.php', 'buffer_send');
	unregister_hook('jot_networks',     'addon/buffer/buffer.php', 'buffer_jot_nets');
	unregister_hook('connector_settings',      'addon/buffer/buffer.php', 'buffer_settings');
	unregister_hook('connector_settings_post', 'addon/buffer/buffer.php', 'buffer_settings_post');
}
function buffer_module() {}
function buffer_content(&$a) {
	if(! local_user()) {
		notice( t('Permission denied.') . EOL);
		return '';
	}
	require_once("mod/settings.php");
	settings_init($a);
	if (isset($a->argv[1]))
		switch ($a->argv[1]) {
			case "connect":
				$o = buffer_connect($a);
				break;
			default:
				$o = print_r($a->argv, true);
				break;
		}
	else
		$o = buffer_connect($a);
	return $o;
}
function buffer_plugin_admin(&$a, &$o){
	$t = get_markup_template( "admin.tpl", "addon/buffer/" );
	$o = replace_macros($t, array(
		'$submit' => t('Save Settings'),
								// name, label, value, help, [extra values]
		'$client_id' => array('client_id', t('Client ID'),  get_config('buffer', 'client_id' ), ''),
		'$client_secret' => array('client_secret', t('Client Secret'),  get_config('buffer', 'client_secret' ), ''),
	));
}
function buffer_plugin_admin_post(&$a){
        $client_id     =       ((x($_POST,'client_id'))              ? notags(trim($_POST['client_id']))   : '');
        $client_secret =       ((x($_POST,'client_secret'))   ? notags(trim($_POST['client_secret'])): '');
        set_config('buffer','client_id',$client_id);
        set_config('buffer','client_secret',$client_secret);
        info( t('Settings updated.'). EOL );
}
function buffer_connect(&$a) {
	if (isset($_REQUEST["error"])) {
		$o = t('Error when registering buffer connection:')." ".$_REQUEST["error"];
		return $o;
	}
	// Start a session.  This is necessary to hold on to  a few keys the callback script will also need
	session_start();
	// Define the needed keys
	$client_id = get_config('buffer','client_id');
	$client_secret = get_config('buffer','client_secret');
	// The callback URL is the script that gets called after the user authenticates with buffer
	$callback_url = $a->get_baseurl()."/buffer/connect";
	$buffer = new BufferApp($client_id, $client_secret, $callback_url);
	if (!$buffer->ok) {
		$o .= 'Connect to Buffer!';
	} else {
		logger("buffer_connect: authenticated");
		$o .= t("You are now authenticated to buffer. ");
		$o .= '
'.t("return to the connector page").'';
		set_pconfig(local_user(), 'buffer','access_token', $buffer->access_token);
	}
	return($o);
}
function buffer_jot_nets(&$a,&$b) {
	if(! local_user())
		return;
	$buffer_post = get_pconfig(local_user(),'buffer','post');
	if(intval($buffer_post) == 1) {
		$buffer_defpost = get_pconfig(local_user(),'buffer','post_by_default');
		$selected = ((intval($buffer_defpost) == 1) ? ' checked="checked" ' : '');
		$b .= '
 '
		    . t('Post to Buffer') . '
';
	}
}
function buffer_settings(&$a,&$s) {
	if(! local_user())
		return;
	/* Add our stylesheet to the page so we can make our settings look nice */
	$a->page['htmlhead'] .= '' . "\r\n";
	/* Get the current state of our config variables */
	$enabled = get_pconfig(local_user(),'buffer','post');
	$checked = (($enabled) ? ' checked="checked" ' : '');
	$css = (($enabled) ? '' : '-disabled');
	$def_enabled = get_pconfig(local_user(),'buffer','post_by_default');
	$def_checked = (($def_enabled) ? ' checked="checked" ' : '');
	/* Add some HTML to the existing form */
	$s .= '';
	$s .= '
'. t('Buffer Export').'
';
	$s .= '';
	$s .= '';
	$s .= '
';
	$s .= '
'. t('Buffer Export').'
';
	$s .= '';
	$client_id = get_config("buffer", "client_id");
	$client_secret = get_config("buffer", "client_secret");
	$access_token = get_pconfig(local_user(), "buffer", "access_token");
	$s .= '
';
	if ($access_token == "") {
		$s .= '
';
	} else {
		$s .= '
';
		$s .= '';
		$s .= '';
		$s .= '
';
		$s .= '
';
		$s .= '';
		$s .= '';
		$s .= '
';
		$s .= '
';
		$s .= '';
		$s .= '';
		$s .= '
';
		$buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
		$profiles = $buffer->go('/profiles');
		if (is_array($profiles)) {
			$s .= '
';
			$s .= t("Posts are going to all accounts that are enabled by default:");
			$s .= "
";
			foreach ($profiles as $profile) {
				if (!$profile->default)
					continue;
				$s .= "- ";
				//$s .= "
";
				$s .= " ".$profile->formatted_username." (".$profile->formatted_service.")";
				$s .= " ";
			}
			$s .= "
";
			$s .= '
';
		}
	}
	$s .= '
';
	/* provide a submit button */
	$s .= '
 ';
}
function buffer_settings_post(&$a,&$b) {
	if(x($_POST,'buffer-submit')) {
		if(x($_POST,'buffer_delete')) {
			set_pconfig(local_user(),'buffer','access_token','');
			set_pconfig(local_user(),'buffer','post',false);
			set_pconfig(local_user(),'buffer','post_by_default',false);
		} else {
			set_pconfig(local_user(),'buffer','post',intval($_POST['buffer']));
			set_pconfig(local_user(),'buffer','post_by_default',intval($_POST['buffer_bydefault']));
		}
	}
}
function buffer_post_local(&$a,&$b) {
	if((! local_user()) || (local_user() != $b['uid']))
		return;
	$buffer_post   = intval(get_pconfig(local_user(),'buffer','post'));
	$buffer_enable = (($buffer_post && x($_REQUEST,'buffer_enable')) ? intval($_REQUEST['buffer_enable']) : 0);
	if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'buffer','post_by_default')))
		$buffer_enable = 1;
	if(! $buffer_enable)
		return;
	if(strlen($b['postopts']))
		$b['postopts'] .= ',';
	$b['postopts'] .= 'buffer';
}
function buffer_send(&$a,&$b) {
	if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
		return;
	if(! strstr($b['postopts'],'buffer'))
		return;
	if($b['parent'] != $b['id'])
		return;
	// if post comes from buffer don't send it back
	//if($b['app'] == "Buffer")
	//	return;
	$client_id = get_config("buffer", "client_id");
	$client_secret = get_config("buffer", "client_secret");
	$access_token = get_pconfig($b['uid'], "buffer","access_token");
	if($access_token) {
		$buffer = new BufferApp($client_id, $client_secret, $callback_url, $access_token);
		require_once("include/plaintext.php");
		require_once("include/network.php");
		$profiles = $buffer->go('/profiles');
		if (is_array($profiles)) {
			logger("Will send these parameter ".print_r($b, true), LOGGER_DEBUG);
			foreach ($profiles as $profile) {
				if (!$profile->default)
					continue;
				$send = false;
				switch ($profile->service) {
					case 'appdotnet':
						$send = ($b["extid"] != NETWORK_APPNET);
						$limit = 256;
						$markup = false;
						$includedlinks = true;
						$htmlmode = 6;
						break;
					case 'facebook':
						$send = ($b["extid"] != NETWORK_FACEBOOK);
						$limit = 0;
						$markup = false;
						$includedlinks = false;
						$htmlmode = 9;
						break;
					case 'google':
						$send = ($b["extid"] != NETWORK_GPLUS);
						$limit = 0;
						$markup = true;
						$includedlinks = false;
						$htmlmode = 9;
						break;
					case 'twitter':
						$send = ($b["extid"] != NETWORK_TWITTER);
						$limit = 140;
						$markup = false;
						$includedlinks = true;
						$htmlmode = 8;
						break;
					case 'linkedin':
						$send = ($b["extid"] != NETWORK_LINKEDIN);
						$limit = 700;
						$markup = false;
						$includedlinks = true;
						$htmlmode = 2;
						break;
				}
				if (!$send)
					continue;
				$item = $b;
				// Markup for Google+
				if ($markup) {
					if  ($item["title"] != "")
						$item["title"] = "*".$item["title"]."*";
					$item["body"] = preg_replace("(\[b\](.*?)\[\/b\])ism",'*$1*',$item["body"]);
					$item["body"] = preg_replace("(\[i\](.*?)\[\/i\])ism",'_$1_',$item["body"]);
					$item["body"] = preg_replace("(\[s\](.*?)\[\/s\])ism",'-$1-',$item["body"]);
				}
				$post = plaintext($a, $item, $limit, $includedlinks, $htmlmode);
				logger("buffer_send: converted message ".$b["id"]." result: ".print_r($post, true), LOGGER_DEBUG);
				// The image proxy is used as a sanitizer. Buffer seems to be really picky about pictures
				require_once("mod/proxy.php");
				if (isset($post["image"]))
					$post["image"] = proxy_url($post["image"]);
				if (isset($post["preview"]))
					$post["preview"] = proxy_url($post["preview"]);
				//if ($profile->service == "twitter") {
				if ($includedlinks) {
					if (isset($post["url"]))
						$post["url"] = short_link($post["url"]);
					if (isset($post["image"]))
						$post["image"] = short_link($post["image"]);
					if (isset($post["preview"]))
						$post["preview"] = short_link($post["preview"]);
				}
				// Seems like a bug to me
				// Buffer doesn't add links to Twitter and App.net (but pictures)
				//if ($includedlinks AND isset($post["url"]))
				if (($profile->service == "twitter") AND isset($post["url"]))
					$post["text"] .= " ".$post["url"];
				elseif (($profile->service == "appdotnet") AND isset($post["url"]) AND isset($post["title"])) {
					$post["title"] = shortenmsg($post["title"], 90);
					$post["text"] = shortenmsg($post["text"], $limit - (24 + strlen($post["title"])));
					$post["text"] .= "\n[".$post["title"]."](".$post["url"].")";
				} elseif (($profile->service == "appdotnet") AND isset($post["url"]))
					$post["text"] .= " ".$post["url"];
				elseif ($profile->service == "google")
					$post["text"] .= html_entity_decode(" ", ENT_QUOTES, 'UTF-8'); // Send a special blank to identify the post through the "fromgplus" addon
				$message = array();
				$message["text"] = $post["text"];
				$message["profile_ids[]"] = $profile->id;
				$message["shorten"] = false;
				$message["now"] = true;
				if (isset($post["title"]))
					$message["media[title]"] = $post["title"];
				if (isset($post["description"]))
					$message["media[description]"] = $post["description"];
				if (isset($post["url"]) AND ($post["type"] != "photo"))
					$message["media[link]"] = $post["url"];
				if (isset($post["image"])) {
					$message["media[picture]"] = $post["image"];
					if ($post["type"] == "photo")
						$message["media[thumbnail]"] = $post["image"];
				}
				if (isset($post["preview"]))
					$message["media[thumbnail]"] = $post["preview"];
				//print_r($message);
				$ret = $buffer->go('/updates/create', $message);
				logger("buffer_send: send message ".$b["id"]." result: ".print_r($ret, true), LOGGER_DEBUG);
			}
		}
	}
}