<?php
// Class that deals with property administration
class AdminPropertyDetails{
	// Public attributes
	public $mImagesCount;
	public $mProperty;
	public $mErrorMessage;
	public $mPropertyAreasString;
	public $mPropertyDisplayOptions;
	public $mPropertyAttributes;
	public $mListingsAttributes;
	public $mAssignOrMoveTo;
	public $mRemoveFromAreas;
	public $mRemoveFromAreaButtonDisabled = false;
	public $mLinkToAreaPropertiesAdmin;
	public $mLinkToPropertyDetailsAdmin;

	// Private attributes
	private $_mPropertyId;
	private $_mAreaId;
	private $_mCityId;
	private $_mAction;
	private $_mActionedImageId;

	// Class constructor
	public function __construct(){
		// Need to have the CityId in the query string
		if (!isset($_GET['CityId'])){
			trigger_error('CityId not set');
		}else{
			$this->_mCityId = (int)$_GET['CityId'];
		}

		// Need to have the AreaId in the query string
		if (!isset($_GET['AreaId'])){
			trigger_error('AreaId not set');
		}else{
			$this->_mAreaId = (int)$_GET['AreaId'];
		}

		// Need to have the PropertyId in the query string
		if (!isset($_GET['PropertyId'])){
			trigger_error('PropertyId not set');
		}else{
			$this->_mPropertyId = (int)$_GET['PropertyId'];
		}

		$this->mPropertyDisplayOptions = Listings::$mPropertyDisplayOptions;

		$this->mLinkToAreaPropertiesAdmin =
		Link::ToAreaPropertiesAdmin($this->_mCityId, $this->_mAreaId);
			
		$this->mLinkToPropertyDetailsAdmin =
		Link::ToPropertyAdmin($this->_mCityId, $this->_mAreaId, $this->_mPropertyId);
			
		// Parse the list with posted variables
		foreach ($_POST as $key => $value){
			// If a submit button was clicked
			if (substr($key, 0, 6) == 'submit'){
				/* Get the position of the last '_' underscore from the submit
				 * button name e.g. strrpos('submit_edit_attr_1', '_') is 17
				 */
				$last_underscore = strrpos($key, '_');

				/* Get the scope of the submit button (e.g. 'edit_dep' from
				 * 'submit_edit_attr_1')
				 */
				$this->_mAction = substr($key, strlen('submit_'), $last_underscore - strlen('submit_'));

				/* Get the attribute id targeted by the submit button (the
				 * number at the end of the submit button name e.g. '1' from
				 * 'submit_edit_attr_1'
				 */
				$this->_mActionedImageId = substr($key, $last_underscore + 1);

				break;
			}
		}
	}

	public function init(){
		// If uploading a property picture...
		if (isset($_POST['Upload'])){
			/* Check wheather we have write permission on the
			 * property_images folder
			 */
			if (!is_writable(SITE_ROOT . '/' . IMAGE_DIR)){
				echo "Can't write to the " . IMAGE_DIR . " folder";

				exit();
			}
				
			
			foreach ($_FILES as $file){
				if(is_array($file['name'])){
					for ($count = 0; $count < count($file['name']); $count++){
						$filename = $file['name'][$count];
						$fileerror = $file['error'][$count];
						$filetmp_name = $file['tmp_name'][$count];
						
						// If the error code is 0, the file was uploaded ok
						if ($fileerror == 0){
							/* Use the move_uploaded_file PHP function to move the file from
							 * its temporary location to the property images folder
							 */
							move_uploaded_file($filetmp_name, SITE_ROOT . '/' . IMAGE_DIR . $filename);
		
							// Update the property's information in the database
							Listings::AddImage($this->_mPropertyId, $filename, $_POST['caption'.$count]);
							$temp = $this->_mPropertyId." - ".$filename." - ".$_POST['caption'.$count];
						
						}
					}
				}
			}
				
			// If the error code is 0, the file was uploaded ok
			if ($_FILES['ThumbnailUpload']['error'] == 0){
				/* Use the move_uploaded_file PHP function to move the file from
				 * its temporary location to the property images folder
				 */
				move_uploaded_file($_FILES['ThumbnailUpload']['tmp_name'],
				SITE_ROOT . '/' . IMAGE_DIR . $_FILES['ThumbnailUpload']['name']);

				// Update the property's information in the database
				Listings::SetThumbnail($this->_mPropertyId, $_FILES['ThumbnailUpload']['name']);
			}
		}

		if ($this->_mAction == 'delete_image'){
			
			Listings::DeleteImage($this->_mActionedImageId);

		}

		// If updating property info...
		if (isset ($_POST['UpdatePropertyInfo'])){
			$property_address = $_POST['address'];
			$property_zipcode = $_POST['zipcode'];
			$property_description = $_POST['description'];
			$property_price = $_POST['price'];
			$property_price_reduction = $_POST['price_reduction'];
				
			if ($property_address == null){
				$this->mErrorMessage = 'Property address is empty';
			}
			
		if ($property_zipcode == null){
				$this->mErrorMessage = 'Property zipcode is empty';
			}
				
			if ($property_description == null){
				$this->mErrorMessage = 'Property description is emtpy';
			}
				
			if ($property_price == null || !is_numeric($property_price)){
				$this->mErrorMessage = 'Property price must be a number';
			}
				
			if ($property_price_reduction == null || !is_numeric($property_price_reduction)){
				$this->mErrorMessage = 'Property price reduction must be a number';
			}
				
			if ($this->mErrorMessage == null){
				Listings::UpdateProperty($this->_mPropertyId, $property_address, $property_zipcode,
				$property_description, $property_price, $property_price_reduction);
			}
		}

		// If removing the property from a area...
		if (isset ($_POST['RemoveFromArea'])){
			$target_area_id = $_POST['TargetAreaIdRemove'];
			$still_exists = Listings::RemovePropertyFromArea($this->_mPropertyId, $target_area_id);
				
			if ($still_exists == 0){
				header('Location: ' . htmlspecialchars_decode($this->mLinkToAreaPropertiesAdmin));
					
				exit();
			}
		}

		// If setting property display option...
		if (isset ($_POST['SetPropertyDisplayOption'])){
			$property_display = $_POST['PropertyDisplay'];
			Listings::SetPropertyDisplayOption($this->_mPropertyId, $property_display);
		}

		// If removing the property from the listings...
		if (isset($_POST['RemoveFromListings'])){
			Listings::DeleteProperty($this->_mPropertyId);
				
			header('Location: ' . htmlspecialchars_decode($this->mLinkToAreaPropertiesAdmin));
				
			exit();
		}

		// If assigning the property to another area...
		if (isset($_POST['Assign'])){
			$target_area_id = $_POST['TargetAreaIdAssign'];
			Listings::AssignPropertyToArea($this->_mPropertyId, $target_area_id);
		}

		// If moving the property to another area...
		if (isset ($_POST['Move'])){
			$target_area_id = $_POST['TargetAreaIdMove'];
			Listings::MovePropertyToArea($this->_mPropertyId, $this->_mAreaId, $target_area_id);
				
			header('Location: ' . htmlspecialchars_decode(
			Link::ToPropertyAdmin($this->_mCityId, $this->_mAreaId, $this->_mPropertyId)));

			exit();
		}

		// If assigning an attribute value to the property...
		if (isset($_POST['AssignAttributeValue'])){
			$target_attribute_value_id = $_POST['TargetAttributeValueIdAssign'];
			Listings::AssignAttributeValueToProperty($this->_mPropertyId, $target_attribute_value_id);
		}

		// If removing an attribute value from the property...
		if (isset($_POST['RemoveAttributeValue'])){
			$target_attribute_value_id = $_POST['TargetAttributeValueIdRemove'];
			Listings::RemovePropertyAttributeValue($this->_mPropertyId, $target_attribute_value_id);
		}

		// Get property info
		$this->mProperty = Listings::GetPropertyInfo($this->_mPropertyId);
		$property_areas = Listings::GetAreasForProperty($this->_mPropertyId);

		$property_attributes = Listings::GetPropertyAttributesList($this->_mPropertyId);

		/* create the mPropertyAttributes array...for listing the current property's
		 * attributes to see what it has
		 */
		for ($i = 0; $i < count($property_attributes); $i++){
			$this->mPropertyAttributes[$property_attributes[$i]['attribute_value_id']] =
			$property_attributes[$i]['attribute_name'] . ': ' .
			$property_attributes[$i]['attribute_value'];
		}

		$listings_attributes = Listings::GetAttributesNotAssignedToProperty($this->_mPropertyId);

		/* create the mListingsAttributes array...this is for listing the attributes
		 * not associated with the current property but are available to the property
		 */
		for ($i = 0; $i < count($listings_attributes); $i++){
			$this->mListingsAttributes[$listings_attributes[$i]['attribute_value_id']] =
			$listings_attributes[$i]['attribute_name'] . ': ' .
			$listings_attributes[$i]['attribute_value'];
		}

		/* If the property has one area, then you cannot remove it from any more
		 * areas or else the entire property will be removed from the database
		 */
		if (count($property_areas) == 1){
			$this->mRemoveFromAreaButtonDisabled = true;
		}

		// Show the areas the property belongs to...
		for ($i = 0; $i < count($property_areas); $i++){
			$temp1[$property_areas[$i]['area_id']] = $property_areas[$i]['name'];
		}

		$this->mRemoveFromAreas = $temp1;
		$this->mPropertyAreasString = implode(', ', $temp1);
		$all_areas = Listings::GetAreas();

		for ($i = 0; $i < count($all_areas); $i++){
			$temp2[$all_areas[$i]['area_id']] = $all_areas[$i]['name'];
		}

		$this->mAssignOrMoveTo = array_diff($temp2, $temp1);

		$this->mImages = Listings::GetPropertyImages($this->_mPropertyId);
		$this->mImagesCount = count($this->mImages);

		// Build the links for the images associated with a property
		for ($i = 0; $i < $this->mImagesCount; $i++){
			$this->mImages[$i]['image_url'] =
			Link::Build(IMAGE_DIR . $this->mImages[$i]['image_name']);
		}

	}
}