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

/**
 * Membership Database Setup Model
 *
 * This module must remain in applications/ as it is used very early in the
 * Membership Database initialisation.
 *
 * @package    Membership Database
 * @category   Models
 * @author     Deon George
 * @copyright  (c) 2014 Deon George
 * @license    http://dev.leenooks.net/license.html
 */
class Model_Setup extends ORM {
	// Setup doesnt use the update column
	protected $_updated_column = FALSE;

	protected $_has_one = array(
		'account'=>array('foreign_key'=>'id','far_key'=>'admin_id'),
		'country'=>array('foreign_key'=>'id','far_key'=>'country_id'),
		'language'=>array('foreign_key'=>'id','far_key'=>'language_id'),
	);

	protected $_has_many = array(
		'dates'=>array('model'=>'Site_Dates','far_key'=>'id','foreign_key'=>'site_id'),
		'rooms'=>array('far_key'=>'id','foreign_key'=>'site_id'),
	);

	protected $_compress_column = array(
		'module_config',
		'site_details',
	);

	// Validation rules
	public function rules() {
		$x = Arr::merge(parent::rules(), array(
			'url' => array(
				array('not_empty'),
				array('min_length', array(':value', 8)),
				array('max_length', array(':value', 127)),
				array('url'),
			),
		));

		// This module doesnt use site_id.
		unset($x['site_id']);

		return $x;
	}

	/**
	 * Get/Set Module Configuration
	 *
	 * @param $key Module name.
	 * @param $value Values to store. If NULL, retrieves the value stored, otherwise stores value.
	 */
	public function module_config($key,array $value=NULL) {
		// If we are not loaded, we dont have any config.
		if (! $this->loaded() OR (is_null($value) AND ! $this->module_config))
			return array();

		$mo = ORM::factory('Module',array('name'=>$key));

		if (! $mo->loaded())
			throw new Kohana_Exception('Unknown module :name',array(':name'=>$key));

		$mc = $this->module_config ? $this->module_config : array();

		// If $value is NULL, we are a getter
		if ($value === NULL)
			return empty($mc[$mo->id]) ? array() : $mc[$mo->id];

		// Store new value
		$mc[$mo->id] = $value;
		$this->module_config = $mc;

		return $this;
	}

	public function available_places($date_start,$days=0) {
		$result = array();

		foreach ($this->rooms->find_all() as $ro) {
			foreach ($ro->room_availablity($date_start,$days) as $date => $total) {
				if (! isset($result[$date]))
					$result[$date] = 0;

				$result[$date] += $total;
			}
		}

		return $result;
	}

	public function module_config_id($key=NULL) {
		$result = array();

		foreach (array_keys($this->module_config) as $mid) {
			if (is_null($key) OR $key == $mid) {
				$result[$mid] = array(
					'object'=>ORM::factory('Module',$mid),
					'data'=>$this->module_config[$mid],
				);

				// If we are just after our key, we can continue here
				if ($key AND $key==$mid)
					break;
			}
		}

		return $result;
	}

	public function open_days() {
		$result = array();

		//@todo this needs to change to node have any dates, since the current date may be closed, or a public holiday
		foreach ($this->open_dates(Site::DateStartOfWeek(time()),7) as $date => $open)
			$result[date('w',$date)] = $open;

		ksort($result);

		return $result;
	}

	public function open_dates($date,$days=0,$code='O') {
		$result = array();

		$date_end = $date+$days*86400;
		foreach ($this->dates->where('code','=',$code)->where_startstop($date,$date_end)->find_all() as $o)
			while ($date<$date_end) {
				// If we havent made the start date yet, we need to advance
				if ($o->date_start > $date AND $o->date_stop > $date_end) {
					$result[$date] = FALSE;
					$date += 86400;
					continue;
				}

				// Check that this record covers our current date
				if ($o->date_stop < $date)
					break;

				$result[$date] = $o->open(date('w',$date)) ? TRUE : FALSE;
				$date += 86400;
			}

		// If we broke out and our date $days hasnt ben evaluated, we are closed
		while ($date<$date_end) {
			$result[$date] = FALSE;
			$date += 86400;
		}

		return $result;
	}

	/**
	 * Get/Set our Site Configuration from the DB
	 *
	 * @param $key Key
	 * @param $value Values to store. If NULL, retrieves the value stored, otherwise stores value.
	 */
	public function site_details($key,array $value=NULL) {
		if (! in_array($key,array('name','address1','address2','city','state','pcode','phone','fax','email','faqurl')))
			throw new Kohana_Exception('Unknown Site Configuration Key :key',array(':key'=>$key));

		// If $value is NULL, we are a getter
		if ($value === NULL)
			return empty($this->site_details[$key]) ? '' : $this->site_details[$key];

		// Store new value
		$sc[$key] = $value;

		return $this;
	}

	public function total_places($date_start,$days=0) {
		$result = array();

		foreach ($this->rooms->find_all() as $ro) {
			foreach ($ro->availability_dates($date_start,$days) as $date => $total) {
				if (! isset($result[$date]))
					$result[$date] = 0;

				$result[$date] += $total;
			}
		}

		return $result;
	}
}
?>