<?php

/**
 * Plugin Name: 59sec lite
 * Plugin URI: http://www.59sec.com
 * Description: 59sec lite sends Contact Form 7 push notifications on your iOS or Android mobile device. Also 59sec lite helps you increase sales conversions by decreasing the response time under 59 seconds. Upgrade to 59sec PRO now at <a href="http://www.59sec.com" target="_blank">www.59sec.com</a>! Awsome premium features that will boost your sales. Free 30 days trial, no strings attached!
 * Version: 1.0.0
 * Author: kuantero
 * Author URI: http://www.kuantero.com
 * License: GNU
 */

/*
Copyright 2014  Kuantero.com

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
*/

// init
define('_59SEC_VERSION', '1.0.0');

define('_59SEC_INCLUDE_PATH', dirname(realpath(__FILE__)));

define('_59SEC_PLUGINS_URL', plugin_dir_url(__FILE__));

/**
 * Generate a clean domain.
 * @used: in plugin key.
 */
function get_real_site_url()
{
	$site_url = str_replace("https://", "http://", site_url());
	$site_url = str_replace("//www.", "//", $site_url);
	
	return $site_url;
}

/**
 * Check for plugin status
 */
function _59sec_checkstatus()
{
	$key = md5(get_real_site_url());

	$url = 'http://59sec.com/licence/lc.php?key='.$key.'&domain='.get_real_site_url().'&lite=1';

	//set 5 sec timeout
	$ctx = stream_context_create(array('http'=>array('timeout' => 5)));
	$response = file_get_contents($url, 0, $ctx);
	
	if (empty($response))
	{
		// second try
		$response = file_get_contents($url, 0, $ctx);
		
		if (empty($response))
		{
			// third try
			$response = file_get_contents($url, 0, $ctx);
		}
	}
	
	return $response;
}

/**
 * Check for requirements
 */
function _59sec_requirements()
{

	global $wpdb;
	
	// check mandatory plugin
	$active = is_plugin_active('contact-form-7/wp-contact-form-7.php');

	if (!$active)
	{
		define('_59SEC_REQUIREMENTS', false);
	}
	else
	{
		if (!class_exists('WPCF7_ContactForm') || !method_exists('WPCF7_ContactForm', 'find'))
		{
			define('_59SEC_REQUIREMENTS', false);
		}
		else
		{
			define('_59SEC_REQUIREMENTS', true);
		}
	}

	// this is the perfect place to check for version changes so..
	$version = get_option('59sec_version', '');

	if (empty($version) || $version != _59SEC_VERSION)
	{
		require_once 'classes/Leads.php';

		$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);

		$leadsModel -> updateVersion($version);

		update_option('59sec_version', _59SEC_VERSION);
	}
}


/**
 * Add settings link on plugins page
 */
function _59sec_settings_link($links)
{
	$links[] = '<a href="admin.php?page=59sec_entry_sources">Settings</a>';

	return $links;
}

/**
 * Save options
 */
function register_59sec_options()
{
	// entry sources
	register_setting('59sec-entry-sources', '59sec_wpcf7');
	// other options
	register_setting('59sec-other-options', '59sec_direct_login');
	register_setting('59sec-other-options', '59sec_leadscheck');
}

/* Install - Uninstall */
function _59sec_install()
{
	global $wpdb;

	// add the leads table
	$wpdb->show_errors();

	require_once 'classes/Leads.php';

	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	$sqls = $leadsModel -> constructSQL();

	foreach ($sqls as $sql)
	{
		$wpdb->query($sql);
	}

	$wpdb->hide_errors();

	// add live update cache
	update_option('59sec_liveupdate', time());

	// give admin agent rights
	$args = array(
		'blog_id' => $GLOBALS['blog_id'],
		'role' => 'Administrator',
	);

	$users = (array) get_users($args);

	foreach ($users as $user)
	{
		$user -> add_cap('agent');
	}
	
	// register plugin key
	$response = _59sec_checkstatus();
	
	if (empty($response))
	{
		echo 'Plugin key could not be activated!';
	}
}

function _59sec_uninstall()
{
	global $wpdb;

	require_once 'classes/Leads.php';

	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	$sql = $leadsModel -> destructSQL();

	$wpdb->query($sql);
}

/**
 * Add the page structure
 */
function _59sec_admin_menu()
{
	global $current_user;

	$icon_url = _59SEC_PLUGINS_URL.'images/25.png';

	add_object_page('Entry Sources', '59sec LITE', 'administrator', '59sec_entry_sources', '_59sec_load_page', $icon_url);

	if ($current_user->caps['administrator'] == 1)
	{
		add_submenu_page('59sec_entry_sources', 'Leads to be answered', 'LEADS', 'administrator', '59sec_leads_boss', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'CRM', 'CRM', 'administrator', '59sec_crm_boss', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Statistics', 'Statistics', 'administrator', '59sec_statistics_boss', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Entry Sources', 'Entry Sources', 'administrator', '59sec_entry_sources', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Users', 'Users', 'administrator', '59sec_users', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Notifications', 'Notifications', 'administrator', '59sec_notifications', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Other Options', 'Other Options', 'administrator', '59sec_other_options', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Help', 'Help', 'administrator', '59sec_help_boss', '_59sec_load_page');
	}
	else
	{
		add_submenu_page('59sec_entry_sources', 'Leads to be answered', 'LEADS', 'agent', '59sec_leads', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'CRM', 'CRM', 'agent', '59sec_crm', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Statistics', 'Statistics', 'agent', '59sec_statistics', '_59sec_load_page');
		add_submenu_page('59sec_entry_sources', 'Help', 'Help', 'agent', '59sec_help', '_59sec_load_page');
	}
}

/**
 * Pages controller
 */
function _59sec_load_page()
{
	global $plugin_page, $wpdb, $current_user;

	require_once 'classes/Leads.php';

	// init some common vars
	$pluginkey = md5(get_real_site_url());
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);

	$leadsLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_leads_boss">LEADS</a><span>/</span>' : '<a href="?page=59sec_leads">LEADS</a><span>/</span>';
	$crmLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_crm_boss">CRM</a><span>/</span>' : '<a href="?page=59sec_crm">CRM</a><span>/</span>';
	$statisticsLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_statistics_boss">Statistics</a><span>/</span>' : '<a href="?page=59sec_statistics">Statistics</a><span>/</span>';
	$sourcesLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_entry_sources">Entry Sources</a><span>/</span>' : '';
	$usersLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_users">Users</a><span>/</span>' : '';
	$notificationsLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_notifications">Notifications</a><span>/</span>' : '';
	$otherOptionsLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_other_options">Other Options</a><span>/</span>' : '';
	$helpLink = ($current_user->caps['administrator'] == 1) ? '<a href="?page=59sec_help_boss">Help</a>' : '<a href="?page=59sec_help">Help</a>';

	// add css file
	wp_enqueue_style('_59sec', plugins_url('/css/style.css', __FILE__), array(), _59SEC_VERSION);

	// add the script
	wp_enqueue_script('_59sec', plugins_url('/js/script.js', __FILE__), array(), _59SEC_VERSION, true);

	if (!_59SEC_REQUIREMENTS)
	{
		$plugin_page = 'warning';
	}

	// get the data
	switch($plugin_page)
	{
		case '59sec_entry_sources':
			$args = array(
				'posts_per_page' => -1,
				'orderby' => 'title',
				'order' => 'ASC',
				'offset' => 0,
			);

			$items =  WPCF7_ContactForm::find($args);
			$forms = (array) get_option('59sec_wpcf7');
			break;
		case '59sec_leads':
		case '59sec_leads_boss':
			$args = array(
				'posts_per_page' => -1,
				'orderby' => 'title',
				'order' => 'ASC',
				'offset' => 0,
			);
			$items =  WPCF7_ContactForm::find($args);
			$forms = get_option('59sec_wpcf7');
			$leadscheck = get_option('59sec_leadscheck', 3);
			
			require_once 'classes/Leads.php';
			
			$lastCheck = get_option('59sec_liveupdate', time());
						
			break;
		case '59sec_statistics':
		case '59sec_statistics_boss':
			$args = array(
				'blog_id'      => $GLOBALS['blog_id'],
				'orderby'      => 'login',
				'order'        => 'ASC',
				'count_total'  => false,
				'role' => 'agent',
			);
			$users = get_users($args);
			
			require_once 'classes/Leads.php';
			break;
		case '59sec_users':
			if (!empty($_POST))
			{
				$_POST['users'] = (isset($_POST['users'])) ? $_POST['users'] : array();
				
				$args = array(
					'blog_id'      => $GLOBALS['blog_id'],
					'orderby'      => 'login',
					'order'        => 'ASC',
					'count_total'  => false,
					'fields'       => 'all_with_meta',
					'role' => 'administrator',
				);
				$users = get_users($args);
				
				foreach($users as $user)
				{
					if (in_array($user -> ID, $_POST['users']))
					{
						$user -> add_cap('agent');
					}
					else
					{
						$user -> remove_cap('agent');
					}
				}
			}
			
			$args = array(
				'blog_id'      => $GLOBALS['blog_id'],
				'orderby'      => 'login',
				'order'        => 'ASC',
				'count_total'  => false,
				'fields'       => 'all_with_meta',
				'role' => 'administrator',
			);
			$users = get_users($args);
			break;
		case '59sec_crm':
		case '59sec_crm_boss':
			$user_id = ($current_user->caps['administrator'] == 1) ? 0 : $current_user->ID;
			$keyword = '';
			
			$args = array(
				'posts_per_page' => -1,
				'orderby' => 'title',
				'order' => 'ASC',
				'offset' => 0,
			);
			$items =  WPCF7_ContactForm::find($args);
			$forms = get_option('59sec_wpcf7');
			
			require_once 'classes/Leads.php';
			
			if (!empty($_POST))
			{
				$leadsModel -> update(array(
					'user_comments' => $_POST['note'],
				), $_POST['id']);
			}
			break;
		case '59sec_other_options':
			$direct_login = get_option('59sec_direct_login', 1) * 1;
			$leadscheck = get_option('59sec_leadscheck', 3);
			break;
	}
	
	// the view
	require_once "templates/{$plugin_page}.php";
}

/* Hook into wpcf7 */
function hook_wpcf7($cf7)
{
	global $wpdb;
	
	$wpcf7_options = (array) get_option('59sec_wpcf7');
	
	// is user selected contact form
	if (in_array($cf7->id, $wpcf7_options))
	{
		require_once 'classes/Leads.php';
		
		$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
			
		if ($leadsModel -> isLimitReached())
		{
			return;
		}
		
		$postdata = array();
		foreach ($cf7->posted_data as $key => $value)
		{

			if (substr($key, 0, 3) != '_wp' && substr($key, 0, 7) != 'captcha')
			{
				$postdata[$key] = $value;
			}
		}
		$postdata['ip'] = $leadsModel -> getIP();
		
		$lead = array(
			'type' => 'form',
			'entity_id' => $cf7->id,
			'subject' => $cf7->title,
			'status' => 1,
			'created_time' => time(),
			'postdata' => serialize($postdata),
		);
		
		$leadsModel -> add($lead);
		
		// update timestamp for liveupdate
		update_option('59sec_liveupdate', time());
                
		// send notification emails
		$emails = (array) get_option('59sec_emails');
		$message = $leadsModel -> leadAsMail($lead);
		
		foreach ($emails as $email)
		{
			wp_mail($email, 'Agent Notification', $message);
		}
		
		// send iphone notification
		include_once _59SEC_INCLUDE_PATH.'/simplepush.php';
	}// IF
}

/* Grab the lead ! */
function _59sec_grabit()
{
	global $wpdb, $current_user;

	require_once 'classes/Leads.php';
	
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	$lead = $leadsModel->get($_POST['id']);
	
	if (!empty($lead))
	{
		if (empty($lead['user_id']))
		{
			$result = $leadsModel -> update(array(
				'user_id' => $current_user -> ID,
				'user_name' => $current_user -> data -> display_name,
				'reserved_time' => time(),
			), $_POST['id']);
			
			update_option('59sec_liveupdate', time());
			echo $result;
		}
		else
		{
			echo 'Lead taken by '.$lead['user_name'];
			update_option('59sec_liveupdate', time());
		}
	}
	else
	{
		echo 'Error: missing data!';
	}
	
	die();
}

/**
 * try to fix a broken serialize
 */
function _59sec_tryfix()
{
	global $wpdb;

	require_once 'classes/Leads.php';
	
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	$lead = $leadsModel->get($_POST['id']);

	if (!empty($lead) && !empty($lead['postdata']))
	{
		$data = unserialize($lead['postdata']);
		
		if (!is_array($data))
		{
			// ending intrerupted ?
			$strlen = strlen($lead['postdata']);
			
			if (substr ($lead['postdata'], $strlen - 3, 3) != '";}')
			{
				$lead['postdata'] = $lead['postdata'] . '";}';
			}
			
			// fix string lengths not coresponding
			$lead['postdata'] = html_entity_decode($lead['postdata'], ENT_QUOTES, 'UTF-8');
			$lead['postdata'] = preg_replace('!s:(\d+):"(.*?)";!e', "'s:'.strlen('$2').':\"$2\";'", $lead['postdata']);

			$lead['postdata'] = $leadsModel -> repairSerializedArray($lead['postdata']);
			
			if (is_array($lead['postdata']))
			{
				$lead['postdata'] = serialize($lead['postdata']);
			}
			
			// update the lead
			$leadsModel -> update($lead, $_POST['id']);
		}
	}
	else
	{
		echo 'Error: missing data!';
	}
	
	die();
}

/* Edit CRM Note */
function _59sec_edit_note()
{
	global $wpdb;

	require_once 'classes/Leads.php';
	
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	
	$lead = $leadsModel -> get($_POST['id']);
	
	if (!empty($lead))
	{
		echo $lead['user_comments'];
	}
	
	die();
}

/* CRM ajax paging */
function _59sec_crm_page()
{
	global $wpdb, $current_user;

	require_once 'classes/Leads.php';
	
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	
	$item = new stdClass();
	$item -> id = intval($_POST['item']);
	$page = intval($_POST['page']);
	$filters = array('flag' => 0);
	$keyword = '';
	
	if (isset($_POST['status']) && !empty($_POST['status']))
	{
		$filters['status'] = $_POST['status'];
	}
	
	if (isset($_POST['keyword']) && !empty($_POST['keyword']))
	{
		$filters['keyword'] = $_POST['keyword'];
		$keyword = $_POST['keyword'];
	}

	$user_id = ($current_user -> caps['administrator'] == 1) ? 0 : $current_user->ID;
	$leads = $leadsModel -> getUserLeads($item->id, $user_id, $page, $filters);
	$headers = $leadsModel -> tableHeaders($leads);
	$paging = $leadsModel -> pagerUserLeads($item->id, $user_id, $page, $filters);
	
	include _59SEC_INCLUDE_PATH . '/templates/crm_table.php';
	
	die();
}

/* Change the status of the lead */
function change_lead_status()
{
	global $wpdb, $current_user;

	require_once 'classes/Leads.php';
	
	$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	
	$lead = $leadsModel -> get($_POST['id']);

	if (!empty($lead))
	{
		// only owner or admin
		if ($lead['user_id'] == $current_user->ID || $current_user->caps['administrator'] == 1)
		{
			$leadsModel -> update(array('status' => $_POST['status']), $_POST['id']);

			// additional action
			if ($_POST['status'] == 'finalized' || $_POST['status'] == 'finalized')
			{
				$leadsModel -> update(array('completed_time' => time()), $_POST['id']);
			}
		}
	}
	
	die();
}

/* Save app tokens */
function _59sec_save_tokens()
{
	global $wpdb;
	
	if(
		isset($_POST['device_token']) &&
		!empty($_POST['device_token'])
	)
	{
		require_once 'classes/Leads.php';

		$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	
		$leadsModel -> saveAppToken($_POST);
		
		echo 'success';
	}
	
	die();
}

/* Delete app tokens */
function _59sec_delete_tokens()
{
	global $wpdb;
	
	if(
		isset($_POST['device_token']) &&
		!empty($_POST['device_token'])
	)
	{
		require_once 'classes/Leads.php';

		$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
	
		$leadsModel -> deleteAppToken($_POST);
		
		echo 'success';
	}
	
	die();
}

function _59sec_login_redirect($redirect_to, $request, $user)
{
	if (isset($user->roles) && is_array($user->roles))
	{
		$direct_login = get_option('59sec_direct_login', 1) * 1;
		
		if (empty($direct_login))
		{
			return admin_url();
		}
		
		if (in_array('administrator', $user->roles))
		{
			return admin_url() . 'admin.php?page=59sec_leads_boss';
		}
		elseif ($user->has_cap('agent'))
		{
			return admin_url() . 'admin.php?page=59sec_leads';
		}
		else
		{
			return admin_url();
		}
	}
	else
	{
		return site_url();
	}
}

function _59sec_liveupdate()
{
	global $wpdb;
	
	$lastcheck = $_POST['lastcheck'];
	$check = get_option('59sec_liveupdate', time());
	
	$newEmails = false;
	
	if ($check > $lastcheck)
	{
		require_once 'classes/Leads.php';
		$leadsModel = new Leads($wpdb->dbh, $wpdb->prefix);
		
		$newEmails = $leadsModel->checkForNewLeads($lastcheck)>0;
		// get the data
		$args = array(
			'posts_per_page' => -1,
			'orderby' => 'title',
			'order' => 'ASC',
			'offset' => 0,
		);
		$items =  WPCF7_ContactForm::find($args);
		$forms = (array) get_option('59sec_wpcf7');
		
		$lastCheck = $check;
		
		// the view
		include 'templates/leads_tables.php';
	}
	
	die();
}

/* Add actions & filters */
// actions
add_action('wpcf7_before_send_mail', 'hook_wpcf7');
add_action('wp_ajax_59sec_delete_tokens', '_59sec_delete_tokens');
add_action('wp_ajax_nopriv_59sec_delete_tokens', '_59sec_delete_tokens');
add_action('wp_ajax_59sec_save_tokens', '_59sec_save_tokens');
add_action('wp_ajax_nopriv_59sec_save_tokens', '_59sec_save_tokens');
//filters
add_filter('login_redirect', '_59sec_login_redirect', 10, 3);

if (is_admin())
{
	// actions
	add_action('admin_init', '_59sec_requirements');
	add_action('admin_init', 'register_59sec_options');
	add_action('admin_menu', '_59sec_admin_menu');
	add_action('wp_ajax_liveupdate', '_59sec_liveupdate');
	add_action('wp_ajax_tryfix', '_59sec_tryfix');
	add_action('wp_ajax_grapit', '_59sec_grabit');
	add_action('wp_ajax_edit_note', '_59sec_edit_note');
	add_action('wp_ajax_crm_page', '_59sec_crm_page');
	add_action('wp_ajax_change_lead_status', 'change_lead_status');
	// filters
	add_filter('plugin_action_links_'.plugin_basename(__FILE__), '_59sec_settings_link');
	// hooks
	register_activation_hook(__FILE__, '_59sec_install');
	register_deactivation_hook( __FILE__, '_59sec_uninstall');
}