<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class provides Admin Service functions
 *
 * @package    OSB
 * @subpackage Service
 * @category   Controllers/Admin
 * @author     Deon George
 * @copyright  (c) 2010 Open Source Billing
 * @license    http://dev.osbill.net/license.html
 */
class Controller_Admin_Service extends Controller_TemplateDefault_Admin {
	protected $secure_actions = array(
		'list'=>TRUE,
		'listbycheckout'=>TRUE,
		'listadslbilling'=>TRUE,
		'listadslservices'=>TRUE,
		'listdomainservices'=>TRUE,
		'listhostservices'=>TRUE,
		'listhspaservices'=>TRUE,
		'update'=>TRUE,
	);

	/**
	 * Show a list of services
	 */
	public function action_list() {
		Block::add(array(
			'title'=>_('Customer Services'),
			'body'=>Table::display(
				ORM::factory('service')->find_all(),
				25,
				array(
					'id'=>array('label'=>'ID','url'=>'user/service/view/'),
					'service_name()'=>array('label'=>'Details'),
					'recur_schedule'=>array('label'=>'Billing'),
					'price'=>array('label'=>'Price','class'=>'right'),
					'active'=>array('label'=>'Active'),
					'account->accnum()'=>array('label'=>'Cust ID'),
					'account->name()'=>array('label'=>'Customer'),
				),
				array(
					'page'=>TRUE,
					'type'=>'select',
					'form'=>'user/service/view',
				)),
			));
	}

	/**
	 * List all services by their default checkout method
	 */
	public function action_listbycheckout() {
		// @todo need to add the DB prefix here
		// @todo need to remove the explicit references to the group_id
		$services = DB::query(Database::SELECT,'
SELECT c.id AS cid,c.name as checkout_plugin_name,s.id AS sid,a.company,a.first_name,a.last_name,a.id as aid
FROM ab_service s LEFT JOIN ab_account_billing ab ON (s.account_billing_id=ab.id) LEFT JOIN ab_checkout c ON (ab.checkout_plugin_id=c.id),ab_account a, ab_account_group ag
WHERE s.active=1 AND s.price > 0 AND s.account_id=a.id AND a.id=ag.account_id AND ((s.account_billing_id IS NOT NULL AND ag.group_id!=2 ) OR (a.id=ag.account_id and ag.group_id=1003))
ORDER BY c.id,s.recur_schedule,c.name,a.company,a.last_name,a.first_name
			')
			->execute();

		// @todo If no items, show a nice message. This is not correct for ORM.
		if (! count($services)) {
			echo Kohana::debug('No services with account_billing');
			die();
		}

		$last_checkout = '';
		$last_account = '';
		$i = 0;
		$sc = $st = 0;
		$output = '<table class="box-left">';
		foreach ($services as $service) {
			$so = ORM::factory('service',$service['sid']);
			$si = $so->account_id.$so->recur_schedule;

			if (($si != $last_account) AND $last_account) {
				if ($sc > 1)
					$output .= View::factory('service/admin/list/bycheckout_subtotal')
						->set('subtotal',Currency::display($st))
						->set('i',$i++%2);
				$sc = $st = 0;
			}

			if (($service['cid'] != $last_checkout) OR (! is_null($last_checkout) AND ! $last_checkout)) {
				$output .= View::factory('service/admin/list/bycheckout_header')
					->set('checkout_name',$service['checkout_plugin_name'])
					->set('last_checkout',$last_checkout);
			}

			$last_checkout = $service['cid'];
			$last_account = $si;
			// @todo This rounding should be a system default
			$st += round($so->price+$so->tax(),2);
			$sc++;

			$output .= View::factory('service/admin/list/bycheckout_body')
				->set('service',$so)
				->set('i',$i++%2);
		}

		// Last subtotal
		if ($sc > 1)
			$output .= View::factory('service/admin/list/bycheckout_subtotal')
				->set('subtotal',$st)
				->set('i',$i++%2);

		$output .= '</table>';

		Block::add(array(
			'title'=>_('List all Services by Default Payment Method'),
			'body'=>$output,
			));

		Style::add(array(
			'type'=>'file',
			'data'=>'css/list.css',
		));
	}

	private function consoltraffic($svs,$date) {
		$data = array();

		foreach ($svs as $so) {
			$c = array();
			foreach ($so->plugin()->get_traffic_data_monthly($date) as $metric => $ma) {
				foreach ($ma as $month => $traffic) {
					// Only count the service once, not for each metric.
					if (! isset($c[$month])) {
						if (isset($data['svs'][$month]))
							$data['svs'][$month] += 1;
						else
							$data['svs'][$month] = 1;

						$c[$month] = 1;
					}

					if (isset($data['data'][$metric][$month]))
						$data['data'][$metric][$month] += (int)$traffic;
					else
						$data['data'][$metric][$month] = (int)$traffic;
				}
			}
		}

		ksort($data['svs']);
		foreach ($data['data'] as $metric => $details)
			ksort($data['data'][$metric]);

		return $data;
	}

	public function action_listadslservices() {
		$svs = ORM::factory('service')->list_bylistgroup('ADSL');
		$data = $this->consoltraffic($svs,time());

		$google = GoogleChart::factory('vertical_bar');
		$google->title = sprintf('ADSL traffic as at %s',date('Y-m-d',strtotime('yesterday')));
		$google->series(array('title'=>array_keys($data['data']),'axis'=>'x','data'=>$data['data']));
		$google->series(array('title'=>'Services','axis'=>'r','data'=>array('Services'=>$data['svs'])));

		Block::add(array('body'=>$google));

		Block::add(array(
			'title'=>_('ADSL Services'),
			'body'=>Table::display(
				$svs,
				NULL,
				array(
					'id'=>array('label'=>'ID','url'=>'user/service/view/'),
					'name()'=>array('label'=>'Service'),
					'plugin()->ipaddress()'=>array('label'=>'IP Address'),
					'product->plugin()->allowance()'=>array('label'=>'Allowance'),
					'plugin()->traffic_thismonth()'=>array('label'=>'This Month'),
					'plugin()->traffic_lastmonth()'=>array('label'=>'Last Month'),
					'recur_schedule'=>array('label'=>'Billing'),
					'price'=>array('label'=>'Price','class'=>'right'),
					'account->accnum()'=>array('label'=>'Cust ID'),
					'account->name()'=>array('label'=>'Customer'),
					'date_next_invoice'=>array('label'=>'Next Invoice'),
				),
				array(
					'type'=>'select',
					'form'=>'user/service/view',
				)),
			));
	}

	public function action_listhspaservices() {
		$svs = ORM::factory('service')->list_bylistgroup('HSPA');
		$data = $this->consoltraffic($svs,time());

		$google = GoogleChart::factory('vertical_bar');
		$google->title = sprintf('HSPA traffic as at %s',date('Y-m-d',strtotime('yesterday')));
		$google->series(array('title'=>array_keys($data['data']),'axis'=>'x','data'=>$data['data']));
		$google->series(array('title'=>'Services','axis'=>'r','data'=>array('Services'=>$data['svs'])));

		Block::add(array('body'=>$google));

		Block::add(array(
			'title'=>_('HSPA Services'),
			'body'=>Table::display(
				$svs,
				NULL,
				array(
					'id'=>array('label'=>'ID','url'=>'user/service/view/'),
					'name()'=>array('label'=>'Service'),
					'plugin()->ipaddress()'=>array('label'=>'IP Address'),
					'product->plugin()->allowance()'=>array('label'=>'Allowance'),
					'plugin()->traffic_thismonth()'=>array('label'=>'This Month'),
					'plugin()->traffic_lastmonth()'=>array('label'=>'Last Month'),
					'recur_schedule'=>array('label'=>'Billing'),
					'price'=>array('label'=>'Price','class'=>'right'),
					'account->accnum()'=>array('label'=>'Cust ID'),
					'account->name()'=>array('label'=>'Customer'),
					'date_next_invoice'=>array('label'=>'Next Invoice'),
				),
				array(
					'type'=>'select',
					'form'=>'user/service/view',
				)),
			));
	}

	public function action_listdomainservices() {
		$svs = ORM::factory('service')->list_bylistgroup('DOMAIN');
		Sort::MAsort($svs,'name()');

		Block::add(array(
			'title'=>_('Domain Names'),
			'body'=>Table::display(
				$svs,
				25,
				array(
					'id'=>array('label'=>'ID','url'=>'user/service/view/'),
					'service_name()'=>array('label'=>'Details'),
					'plugin()->display("domain_expire")'=>array('label'=>'Expire'),
					'recur_schedule'=>array('label'=>'Billing'),
					'price'=>array('label'=>'Price','class'=>'right'),
					'account->accnum()'=>array('label'=>'Cust ID'),
					'account->name()'=>array('label'=>'Customer'),
					'display("date_next_invoice")'=>array('label'=>'Next Invoice'),
				),
				array(
					'page'=>TRUE,
					'type'=>'select',
					'form'=>'user/service/view',
				)),
			));
	}

	public function action_listhostservices() {
		$svs = ORM::factory('service')->list_bylistgroup('HOST');
		Sort::MAsort($svs,'name()');

		Block::add(array(
			'title'=>_('Hosting Services'),
			'body'=>Table::display(
				$svs,
				25,
				array(
					'id'=>array('label'=>'ID','url'=>'user/service/view/'),
					'service_name()'=>array('label'=>'Details'),
					'plugin()->display("host_expire")'=>array('label'=>'Expire'),
					'recur_schedule'=>array('label'=>'Billing'),
					'price'=>array('label'=>'Price','class'=>'right'),
					'account->accnum()'=>array('label'=>'Cust ID'),
					'account->name()'=>array('label'=>'Customer'),
					'display("date_next_invoice")'=>array('label'=>'Next Invoice'),
				),
				array(
					'page'=>TRUE,
					'type'=>'select',
					'form'=>'user/service/view',
				)),
			));
	}
	/**
	 * Reconcile billing for an ADSL supplier
	 *
	 * @todo this should really be in a different class, since adsl wont be part of the main app
	 */
	public function action_listadslbilling($id) {
		$aso = ORM::factory('adsl_supplier',$id);

		// Process upload
		// @todo This should be separated out by supplier in case each supplier has a different format
		if ($_FILES) {
			$files = Validation::factory($_FILES)
				->rule('csv','Upload::valid')
				->rule('csv','Upload::not_empty')
				->rule('csv','Upload::type',array(':value',array('csv')))
				->rule('csv','Upload::size',array(':value','10M'));

			if ($files->check()) 
				foreach ($files as $file)
					$csv = $this->process($file);
		}

		// @todo add a display if there are no items
		$i = $j = 0;
		$total = 0;
		$summary = '';
		$output = View::factory('service/admin/list/adslbilling_head');
		$output .= '<table class="box-left">';
		foreach ($aso->services(TRUE) as $so) {
			$po = $so->plugin()->product();

			// Reset our uploaded data
			$uploaded = array();
			$uploaded['excess'] = empty($csv[$so->plugin()->service_number]['excess']) ? 0 : $csv[$so->plugin()->service_number]['excess'];

			// If our uploaded file has some cost data.
			if (! empty($csv[$so->plugin()->service_number])) {
				$uploaded['amount'] = 
					(empty($csv[$so->plugin()->service_number]['cost']) ? 0 : $csv[$so->plugin()->service_number]['cost']) +
					(empty($csv[$so->plugin()->service_number]['credit']) ? 0 : $csv[$so->plugin()->service_number]['credit']);

				// Record the the exception if the cost is not expected
				if (round($po->adsl_supplier_plan->base_cost+$po->adsl_supplier_plan->tax(),2) != $uploaded['amount']) {
					$summary .= View::factory('service/admin/list/adslbilling_summary')
						->set('service',$so)
						->set('plan',$po)
						->set('planoverride',$so->plugin()->provided_adsl_plan_id ? TRUE : FALSE)
						->set('amount',$uploaded['amount'])
						->set('i',$j++%2);

					$uploaded['checked'] = '';
				} else {
					$uploaded['checked'] = 'checked="checked"';
				}

				unset($csv[$so->plugin()->service_number]);

			} else {
				$uploaded['checked'] = '';
				$uploaded['amount'] = 0;
			}

			$total += $uploaded['amount'];

			$output .= View::factory('service/admin/list/adslbilling_body')
				->set('service',$so)
				->set('plan',$po)
				->set('planoverride',$so->plugin()->provided_adsl_plan_id ? TRUE : FALSE)
				->set('checked',$uploaded['checked'])
				->set('amount',$uploaded['amount'])
				->set('excess',$uploaded['excess'])
				->set('adsl',$so->plugin())
				->set('i',$i++%2);
		}

		$output .= View::factory('service/admin/list/adslbilling_foot')
			->set('total',$total);

		$output .= '</table>';

		// Summary Report of remaining CSV items.
		if (! empty($csv))
			foreach ($csv as $service => $item) {
				$summary .= View::factory('service/admin/list/adslbilling_summary_exception')
					->set('service',$service)
					->set('item',$item)
					->set('i',$j++%2);
			}

		$output .= Form::open(NULL,array('enctype'=>'multipart/form-data'));
		$output .= '<div>';
		$output .= Form::file('csv');
		$output .= Form::submit('submit','upload',array('class'=>'form_button'));
		$output .= '</div>';
		$output .= Form::close();

		Block::add(array(
			'title'=>_('ADSL Services'),
			'body'=>$output,
		));

		if ($summary)
			Block::add(array(
				'title'=>_('Exception Charges'),
				'body'=>'<table class="box-left">'.$summary.'</table>',
				));

		Style::add(array(
			'type'=>'file',
			'data'=>'css/list.css',
		));
	}

	private function process(array $file) {
		$data = file_get_contents($file['tmp_name']);

		if (! $data)
			return;

		$start = $end = FALSE;
		$return = array();
		foreach (preg_split("/\n/",$data) as $line) {
			// Items start after "Item ID"
			if (! $start && preg_match('/^Item ID,/',$line)) {
				$start = true;
				continue;
			// Items end after "Subtotal"
			} elseif ($start && ! $end && preg_match('/^Subtotal:,/',$line)) {
				$end = true;
				continue;
			// If we havent started or not ended, continue
			} elseif (! $start || $end) {
				continue;
			}

			list($id,$ref,$unknown,$linedata,$q,$cost,$total) = explode(',',$line);

			// Extract the phone number from the $linedata
			@list($service,$description) = explode(':',(preg_replace('/([0-9]+)\s+-\s+(.*)$/',"$1:$2",$linedata)));

			// If the description says Monthly Charge, we know its the monthly fee.
			if (preg_match('/^Monthly Charge/',$description))
				$return[$service]['cost'] = preg_replace('/\$/','',$total);
			// If the description says VISP credit, we know this is commission.
			elseif (preg_match('/^VISP Credit/',$description))
				$return[$service]['credit'] = preg_replace('/\$/','',$total);
			// If the description says Excess, we know this is excess charges.
			elseif (preg_match('/^Excess usage/',$description))
				$return[$service]['excess'] = preg_replace('/\$/','',$total);
			else
				$return[$service]['info'] = $line;
		}

		return $return;
	}

	public function action_update($id) {
		$so = ORM::factory('service',$id);

		if (! $so->loaded())
			Request::current()->redirect('welcome/index');

		if ($_POST) {
			if (isset($_POST['plugin']) AND $_POST['plugin'])
				if (! $so->plugin()->values($_POST['plugin'])->update()->saved())
					throw new Kohana_Exception('Failed to save updates to plugin data for record :record',array(':record'=>$so->id()));

			if (! $so->values($_POST)->update()->saved())
				throw new Kohana_Exception('Failed to save updates to plugin data for record :record',array(':record'=>$so->id()));
		}

		Block::add(array(
			'title'=>sprintf('%s %s:%s',_('Update Service'),$so->id(),$so->name()),
			'body'=>View::factory($so->viewpath())
				->set('so',$so)
				->set('mediapath',Route::get('default/media'))
				->set('plugin_form',$so->admin_update()),
		));

		// @todo Investigate a better way of preparing for jscalendar
		Script::add(array(
			'type'=>'file',
			'data'=>'js/dhtml.calendar.js',
		));
		Script::add(array(
			'type'=>'file',
			'data'=>'js/dhtml.calendar-setup.js',
		));
		Script::add(array(
			'type'=>'file',
			'data'=>'js/dhtml.calendar-en.js',
		));
		Script::add(array(
			'type'=>'file',
			'data'=>'js/dhtml.date_selector.js',
		));
		Style::add(array(
			'type'=>'file',
			'data'=>'css/dhtml.calendar.css',
		));
	}
}
?>