<?php

// Toowoomba City Council Water Monitoring System
// Developed by Sam Moffatt (hide@address.com)
// Pump Data Class

// Defines
define("PUMP_ERROR_IMG", "images/Pump_alarm_s.gif");	// Pump error image
define("PUMP_RUNNING_IMG", "images/pump_run_S.gif");	// Pump run image
define("PUMP_STOPPED_IMG", "images/pump_stop_s.gif");	// Pump stop image
define("PUMP_ERROR", "a4");								// Pump error
define("PUMP_RUNNING", "a1");								// Pump running
define("PUMP_STOPPED", "a0");								// Pump stopped
// Requirements
require_once("functions.php");

class pump {
	// Variables
	var $pumpid; 		// The pump id for this class
	var $datasource;	// Location of the CSV file
	var $dbinfo;		// Details about the database (array)
	var $name;			// Pump name (human friendly)
	var $shortname;		// Pump name (short)
	var $data;			// Data from CSV
	var $top,$left;		// Pump HTML position
	var $errorurl; 		// Location to pop up in a new window with fault status information
	var $graphurl;		// Location to pop up in a new window with a graph
	
	var $error = false;	// Error status, boolean
	var $errormsg = "";	// Error message, string
	
	// Constructor
	function pump($newpumpid, $shortname, $left,$top,$graphurl="", $errorurl="", $newdatasource="http://www.toowoomba.qld.gov.au/eBiz/artis/SCADA2000.CSV", $newdbinfo="") {
		$this->dbinfo = Array();
		if(is_array($newdbinfo)) {
			// New database information
		} else {
			// Default database
		}
		if(($newdatasource != "") && (is_string($newdatasource))) {
			$this->datasource = $newdatasource;
		} else if(is_array($newdatasource)) {
			$this->data = $newdatasource;
		} else {
			// Isn't a string and isn't an array, fall back
			$this->datasource = "http://www.toowoomba.qld.gov.au/eBiz/artis/SCADA2000.CSV";
		}
		if(!isset($this->data)) { $this->data = loadCSV($this->datasource); }
		$this->top = $top;
		$this->left = $left;
		$this->pumpid = $newpumpid;
		$this->shortname = $shortname;
		$this->graphurl = $graphurl;
		$this->errorurl = $errorurl;
	}
	
	function getID() {
		return $this->pumpid;
	}
	
	function getName() {		
		return "{$this->data[$this->pumpid]['title']} ($this->pumpid)";
	}
	
	function getShortName() {
		return $this->shortname;
	}
	
	function getTimeStamp() {
		return $this->data[$this->pumpid]['stamp'];
	}
	
	function getStatus() {
		switch($this->data[$this->pumpid]['state']) {
			case 0:
				return "Stopped";
				break;
			case 1:
				return "Running";
				break;
			default:
				return "Alarm";
				break;
		}
	}
	
	function setTop($top) {
		$this->top = $top;
	}
	
	function setLeft($left) {
		$this->left = $left;
	}
	
	function getImageSrc() {
		switch($this->data[$this->pumpid]['state']) {
			case PUMP_RUNNING:
				return PUMP_RUNNING_IMG;
				break;
			case PUMP_STOPPED:
				return PUMP_STOPPED_IMG;
				break;
			default:
				return PUMP_ERROR_IMG;
				break;
		}
	}
	
	function setError() {
		switch($this->data[$this->pumpid]['state']) {
			case PUMP_RUNNING:
				$this->error = false;
				break;
			case PUMP_STOPPED:
				$this->error = false;
				break;
			case PUMP_ERROR:
				$this->errormsg = "Pump error detected";
				$this->error = true;
			default:
				$this->errormsg = "Unknown state detected!";
				$this->error = true;
				break;
		}
		
	}

	
	// Return the pump with div
	// - Allows position override
	function getHTML($left=0,$top=0) {
	if($top == 0) {
		$top = $this->top;
	}
	if($left == 0) {
		$left = $this->left;
	}
	?>
	<div style="z-index: 2; position: absolute; left: <?php echo $left;?>; top: <?php echo $top;?>;">	
		<div align="center"><?php echo $this->getShortName(); ?><br><?php echo $this->getTimeStamp(); ?><br>
			<?php if($this->graphurl) { ?><a href="<?php echo $this->graphurl ?>" target="_blank">View Graph</a><br><?php } ?>
			<?php if($this->error) { ?><a href="<?php echo $this->errorurl ?>" target="_blank">Error Report<br><?php } ?>
			<IMG SRC="<?php echo $this->getImageSrc(); ?>" BORDER=0 width="68" height="57" alt="<?php echo $this->errormsg ?>">	
			<?php if($this->error) { ?></a><?php } ?>			
		</div>
	</div>
		 <?php
	}
	
}

?>