weatherservice

package {

    import fl.controls.TextArea;
    import flash.display.*;
    import flash.text.*;
    import flash.xml.*;
    import flash.events.*;
    import flash.net.URLLoader;
    import flash.net.URLRequest;
    import flash.utils.*;

public class WeatherService extends MovieClip {
    public var xml_Weather:XML  = null;
    public var str_Location:String   = null;
    public var str_Temparature:String  = null;
    public var num_Temparature:Number = 0;
    public var str_ImageURL:String = null;
    public var str_ImageName:String = null;
    public var ta_TextArea:TextArea = new TextArea();
    public var ldr_Loader:URLLoader = new URLLoader();
    public var req_URLRequest:URLRequest = new URLRequest();

    public function WeatherService ():void {

     init();
     var myTimer:Timer = new Timer (600000);
     myTimer.addEventListener(TimerEvent.TIMER, callTime);
     myTimer.start();

    }

    public function init():void {
        trace ("init got called");

      req_URLRequest = new URLRequest("http://www.weather.gov/xml/current_obs/KAUW.xml");


      ldr_Loader.addEventListener(Event.COMPLETE, f_XMLParser);
      ldr_Loader.load(req_URLRequest);


    }

    public function callTime (event:TimerEvent):void {

        init();

    }


    public function f_XMLParser(event:Event):void {
         if (ldr_Loader != null)
            {

            xml_Weather = new XML(event.target.data);

            str_Location      = xml_Weather.location;
            str_Temparature   = xml_Weather.temperature_string;


            var firstChar_str:String = str_Temparature.charAt(0);
            var secondChar_str:String = str_Temparature.charAt(1);
            trace(firstChar_str);
            trace(secondChar_str);
            var tempString:String = (firstChar_str + secondChar_str);
            trace ("this is it " + tempString);


            var myNumber:Number = Number(tempString);
            trace (myNumber);
            moveRed(myNumber);

            trace ("this is " + str_Temparature);
            str_ImageURL      = xml_Weather.icon_url_base;
            str_ImageName     = xml_Weather.icon_url_name;
            trace (str_ImageURL);
            trace (str_ImageName);

            mcHolder.therm_mc.temp_txt.text = str_Temparature.toString();
            mcHolder.therm_mc.location_txt.text = str_Location.toString();


            var i =new Loader();
            i.load(new URLRequest(str_ImageURL.concat(str_ImageName)));
            i.x = 77;
            i.y = 82;
            mcHolder.addChild(i)

            if (myNumber < 80) {
                trace ("it is cold");
            }
            if (myNumber >= 50 && myNumber <= 70) //if true, calls the function to pass data to Flex
            {
                tempAlert();
            }


        }
        else {

                        trace("Text not parseable into XML");
             }


        }
    public function moveRed(tempNum:Number):void{
        if (tempNum < 0){
                mcHolder.therm_mc.red_mc.y = 420;
            }
            else if(tempNum >=0 && tempNum<10){
                mcHolder.therm_mc.red_mc.y = 407
            }
            else if(tempNum >=10 && tempNum<20){
                mcHolder.therm_mc.red_mc.y = 367
            }
            else if(tempNum >=20 && tempNum<30){
                mcHolder.therm_mc.red_mc.y = 327
            }
            else if(tempNum >=30 && tempNum<40){
                mcHolder.therm_mc.red_mc.y = 287
            }
            else if(tempNum >=40 && tempNum<50){
                mcHolder.therm_mc.red_mc.y = 247
            }
            else if(tempNum >=50 && tempNum<60){
                mcHolder.therm_mc.red_mc.y = 207
            }
            else if(tempNum >=60 && tempNum<70){
                mcHolder.therm_mc.red_mc.y = 167
            }
            else if(tempNum >=70 && tempNum<80){
                mcHolder.therm_mc.red_mc.y = 127
            }
            else if(tempNum >=80 && tempNum<90){
                mcHolder.therm_mc.red_mc.y = 87
            }
            else if(tempNum >=90 && tempNum<100){
                mcHolder.therm_mc.red_mc.y = 47
            }
            else if(tempNum > 100){
                mcHolder.therm_mc.red_mc.y = 27
            }
            else{
                trace("tempNum is not a valid temperature");
            }
    }
    public function tempAlert():void //dispatches a new Event named tempAlert that the Flex app looks for
    {

        dispatchEvent(new Event("tempAlert", true));
        trace("data passed")
    }
    }
}