<?php
/**
 * Name: Insanejournal Post Connector
 * Description: Post to Insanejournal
 * Version: 1.0
 * Author: Tony Baldwin <https://free-haven.org/profile/tony>
 * Author: Michael Johnston
 * Author: Cat Gray <https://free-haven.org/profile/catness>
 */

use Friendica\Content\Text\BBCode;
use Friendica\Core\Hook;
use Friendica\Core\Logger;
use Friendica\DI;
use Friendica\Model\Tag;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\XML;

function ijpost_install()
{
	Hook::register('post_local',           'addon/ijpost/ijpost.php', 'ijpost_post_local');
	Hook::register('notifier_normal',      'addon/ijpost/ijpost.php', 'ijpost_send');
	Hook::register('jot_networks',         'addon/ijpost/ijpost.php', 'ijpost_jot_nets');
	Hook::register('connector_settings',      'addon/ijpost/ijpost.php', 'ijpost_settings');
	Hook::register('connector_settings_post', 'addon/ijpost/ijpost.php', 'ijpost_settings_post');
}

function ijpost_jot_nets(\Friendica\App &$a, array &$jotnets_fields)
{
	if (!local_user()) {
		return;
	}

	if (DI::pConfig()->get(local_user(), 'ijpost', 'post')) {
		$jotnets_fields[] = [
			'type' => 'checkbox',
			'field' => [
				'ijpost_enable',
				DI::l10n()->t('Post to Insanejournal'),
				DI::pConfig()->get(local_user(), 'ijpost', 'post_by_default')
			]
		];
	}
}

function ijpost_settings(&$a, &$s)
{
	if (!local_user()) {
		return;
	}

	/* Add our stylesheet to the page so we can make our settings look nice */

	DI::page()['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . DI::baseUrl()->get() . '/addon/ijpost/ijpost.css' . '" media="all" />' . "\r\n";

	/* Get the current state of our config variables */

	$enabled = DI::pConfig()->get(local_user(), 'ijpost', 'post');

	$checked = (($enabled) ? ' checked="checked" ' : '');

	$def_enabled = DI::pConfig()->get(local_user(), 'ijpost', 'post_by_default');

	$def_checked = (($def_enabled) ? ' checked="checked" ' : '');

	$ij_username = DI::pConfig()->get(local_user(), 'ijpost', 'ij_username');
	$ij_password = DI::pConfig()->get(local_user(), 'ijpost', 'ij_password');

	/* Add some HTML to the existing form */
	$s .= '<span id="settings_ijpost_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_ijpost_expanded\'); openClose(\'settings_ijpost_inflated\');">';
	$s .= '<img class="connector" src="images/insanejournal.gif" /><h3 class="connector">'. DI::l10n()->t("InsaneJournal Export").'</h3>';
	$s .= '</span>';
	$s .= '<div id="settings_ijpost_expanded" class="settings-block" style="display: none;">';
	$s .= '<span class="fakelink" onclick="openClose(\'settings_ijpost_expanded\'); openClose(\'settings_ijpost_inflated\');">';
	$s .= '<img class="connector" src="images/insanejournal.gif" /><h3 class="connector">'. DI::l10n()->t("InsaneJournal Export").'</h3>';
	$s .= '</span>';

	$s .= '<div id="ijpost-enable-wrapper">';
	$s .= '<label id="ijpost-enable-label" for="ijpost-checkbox">' . DI::l10n()->t('Enable InsaneJournal Post Addon') . '</label>';
	$s .= '<input id="ijpost-checkbox" type="checkbox" name="ijpost" value="1" ' . $checked . '/>';
	$s .= '</div><div class="clear"></div>';

	$s .= '<div id="ijpost-username-wrapper">';
	$s .= '<label id="ijpost-username-label" for="ijpost-username">' . DI::l10n()->t('InsaneJournal username') . '</label>';
	$s .= '<input id="ijpost-username" type="text" name="ij_username" value="' . $ij_username . '" />';
	$s .= '</div><div class="clear"></div>';

	$s .= '<div id="ijpost-password-wrapper">';
	$s .= '<label id="ijpost-password-label" for="ijpost-password">' . DI::l10n()->t('InsaneJournal password') . '</label>';
	$s .= '<input id="ijpost-password" type="password" name="ij_password" value="' . $ij_password . '" />';
	$s .= '</div><div class="clear"></div>';

	$s .= '<div id="ijpost-bydefault-wrapper">';
	$s .= '<label id="ijpost-bydefault-label" for="ijpost-bydefault">' . DI::l10n()->t('Post to InsaneJournal by default') . '</label>';
	$s .= '<input id="ijpost-bydefault" type="checkbox" name="ij_bydefault" value="1" ' . $def_checked . '/>';
	$s .= '</div><div class="clear"></div>';

	/* provide a submit button */
	$s .= '<div class="settings-submit-wrapper" ><input type="submit" id="ijpost-submit" name="ijpost-submit" class="settings-submit" value="' . DI::l10n()->t('Save Settings') . '" /></div></div>';
}

function ijpost_settings_post(&$a, &$b)
{
	if (!empty($_POST['ijpost-submit'])) {
		DI::pConfig()->set(local_user(), 'ijpost', 'post', intval($_POST['ijpost']));
		DI::pConfig()->set(local_user(), 'ijpost', 'post_by_default', intval($_POST['ij_bydefault']));
		DI::pConfig()->set(local_user(), 'ijpost', 'ij_username', trim($_POST['ij_username']));
		DI::pConfig()->set(local_user(), 'ijpost', 'ij_password', trim($_POST['ij_password']));
	}
}

function ijpost_post_local(&$a, &$b)
{
	// This can probably be changed to allow editing by pointing to a different API endpoint

	if ($b['edit']) {
		return;
	}

	if (!local_user() || (local_user() != $b['uid'])) {
		return;
	}

	if ($b['private'] || $b['parent']) {
		return;
	}

	$ij_post   = intval(DI::pConfig()->get(local_user(), 'ijpost', 'post'));

	$ij_enable = (($ij_post && !empty($_REQUEST['ijpost_enable'])) ? intval($_REQUEST['ijpost_enable']) : 0);

	if ($b['api_source'] && intval(DI::pConfig()->get(local_user(), 'ijpost', 'post_by_default'))) {
		$ij_enable = 1;
	}

	if (!$ij_enable) {
		return;
	}

	if (strlen($b['postopts'])) {
		$b['postopts'] .= ',';
	}

	$b['postopts'] .= 'ijpost';
}

function ijpost_send(&$a, &$b)
{
	if ($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited'])) {
		return;
	}

	if (!strstr($b['postopts'], 'ijpost')) {
		return;
	}

	if ($b['parent'] != $b['id']) {
		return;
	}

	// insanejournal post in the LJ user's timezone.
	// Hopefully the person's Friendica account
	// will be set to the same thing.

	$tz = 'UTC';

	$x = q("select timezone from user where uid = %d limit 1",
		intval($b['uid'])
	);

	if ($x && strlen($x[0]['timezone'])) {
		$tz = $x[0]['timezone'];
	}

	$ij_username = DI::pConfig()->get($b['uid'], 'ijpost', 'ij_username');
	$ij_password = DI::pConfig()->get($b['uid'], 'ijpost', 'ij_password');
	$ij_blog = 'http://www.insanejournal.com/interface/xmlrpc';

	if ($ij_username && $ij_password && $ij_blog) {
		$title = $b['title'];
		$post = BBCode::convert($b['body']);
		$post = XML::escape($post);
		$tags = Tag::getCSVByURIId($b['uri-id'], [Tag::HASHTAG]);

		$date = DateTimeFormat::convert($b['created'], $tz);
		$year = intval(substr($date,0,4));
		$mon  = intval(substr($date,5,2));
		$day  = intval(substr($date,8,2));
		$hour = intval(substr($date,11,2));
		$min  = intval(substr($date,14,2));

		$xml = <<< EOT
<?xml version="1.0" encoding="utf-8"?>
<methodCall><methodName>LJ.XMLRPC.postevent</methodName>
<params><param>
<value><struct>
<member><name>year</name><value><int>$year</int></value></member>
<member><name>mon</name><value><int>$mon</int></value></member>
<member><name>day</name><value><int>$day</int></value></member>
<member><name>hour</name><value><int>$hour</int></value></member>
<member><name>min</name><value><int>$min</int></value></member>
<member><name>event</name><value><string>$post</string></value></member>
<member><name>username</name><value><string>$ij_username</string></value></member>
<member><name>password</name><value><string>$ij_password</string></value></member>
<member><name>subject</name><value><string>$title</string></value></member>
<member><name>lineendings</name><value><string>unix</string></value></member>
<member><name>ver</name><value><int>1</int></value></member>
<member><name>props</name>
<value><struct>
<member><name>useragent</name><value><string>Friendica</string></value></member>
<member><name>taglist</name><value><string>$tags</string></value></member>
</struct></value></member>
</struct></value>
</param></params>
</methodCall>

EOT;

		Logger::log('ijpost: data: ' . $xml, Logger::DATA);

		if ($ij_blog !== 'test') {
			$x = DI::httpRequest()->post($ij_blog, $xml, ["Content-Type: text/xml"])->getBody();
		}
		Logger::log('posted to insanejournal: ' . $x ? $x : '', Logger::DEBUG);
	}
}
