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package hw4_multithreadtrucks;
import pbxlogique.Pbx;

public class Truck extends Thread
{
    private int iTruckBucketSize; //User defined bucket size
    private int iShovelNumber;//User defined Shovel that this truck is assigned to
    private int iState;//Specifies if the truck is in state 0,1,2 or 3.
    private boolean bNoobState; //Has a n00b truck been created?
    private String sTruckerName; //Name of the trucker
    private Shovel oThisTrucksShovel; //Shovel that the truck is assigned to
    private Crusher oThisTrucksCrusher;//Crusher that this truck is assigned to
    
    private int iOre; //Number of tons of ORE loaded in truck.
    
    private boolean bAreYouReadyToRoll; //Is the Thread ready to run?
    
    private TimeCal myTimer = new TimeCal();//Helper variable used for timer purposes
    
    //Stats
    private double dStatWaitTShovel;//Time waiting in line at shovel
    private double dStatWaitTCrusher;//Time waiting in kine at crusher
    private double dStatTransitT;//Time going from one place to the next
    private double dStatWorkT; //Loading by shovel or crushing by crusher
    private long iStatOreCarried;
    boolean bAtShovel;
    boolean bAtCrusher;
    
    public Truck()
    {
        super();
        dStatWaitTShovel = 0;
        dStatWaitTCrusher = 0;
        dStatTransitT = 0;
        dStatWorkT = 0;
        iStatOreCarried = 0;
        bAtShovel = false;
        bAtCrusher = false;
        iOre = 0;
        iTruckBucketSize = 10;
        iShovelNumber = 0;
        iState = 0;
        bNoobState = true;
        sTruckerName = "N00bie McNoob";
        bAreYouReadyToRoll = false;
        announceState();
    }
    
    public Truck(int iShovelNumber, int iTruckBucketSize, String sTruckerName)
    {
        dStatWaitTShovel = 0;
        dStatWaitTCrusher = 0;
        dStatTransitT = 0;
        dStatWorkT = 0;
        iStatOreCarried = 0;
        bAtShovel = false;
        bAtCrusher = false;
        iOre = 0;
        this.iShovelNumber = iShovelNumber;
        this.iTruckBucketSize = iTruckBucketSize;
        this.sTruckerName = sTruckerName;
        iState = 0;
        bNoobState = false;
        bAreYouReadyToRoll = false;
        announceState();
    }
    
    //Attach a Shovel to this truck unit
    public void attachShovel(Shovel oShovel)
    {
        oThisTrucksShovel = oShovel;
        if ((oThisTrucksShovel!=null) && oThisTrucksCrusher!=null)
        {
            bAreYouReadyToRoll = true;
        }
        return;
    }
    
    //Attach a Crusher to this Truck unit.
    public void attachCrusher(Crusher oCrusher)
    {
        oThisTrucksCrusher = oCrusher;
        if ((oThisTrucksShovel!=null) && oThisTrucksCrusher!=null)
        {
            bAreYouReadyToRoll = true;
        }
        return;
    }
    
    //Signals trucks to return to home base and call it a day (stops thread)
    public synchronized void jobFinished()
    {
        bAreYouReadyToRoll = false;
    }
    
    //Initiate shutdown process for the truck.
    public synchronized boolean isJobFinished()
    {
        return !bAreYouReadyToRoll;
    }
    
    //Called by Shovel if the Shovel detects that the trucker's done for the
    //day (isJobFinished was called before the Shovel processed this truck)
    public synchronized void sendTruckHome()
    {
        iState = 3;
    }
    
    //Returns the ammount of ore currently loaded in the truck.
    public synchronized int getOre()
    {
        return iOre;
    }
    
    //Removes Ore from the truck.  Should be done at the Crusher.
    public synchronized boolean removeOre(int iOreAmmountInTons)
    {
        if (iState!=2) //fail safe
        {
            System.out.println("And what?  Do you expect to be able to dump the ore on teh ground anywhere?");
            return false;
        }
        if (iOreAmmountInTons<1) //Negative ammount check
        {
            System.out.println("Someone attempted to contaminate ore on the "+
                    sTruckerName+" "+iTruckBucketSize+"T Truck but were stopped and asswhooped.");
            return false;
        }
        iOre=-iOreAmmountInTons;
        if (iOre<0)  //Additionnal check
        {
            iOre = 0;
        }
        if (iOre == 0)
        {
            iState = 1;
            return true;
        }
       return false;
    }
    
    //Used by Shovel to add Ore to the truck.
    public synchronized boolean addOre(int iOreAmmountInTons)
    {
        if (iState!=1) //Fail Safe
        {
            System.out.println("The truck is not at the Shovel, how do you expect to fill this truck with Ore?");
            return false;
        }
        if (iOreAmmountInTons<1)//Negative ammount check
        {
            System.out.println("Someone attempted to steal ore from the "+
                    sTruckerName+" "+iTruckBucketSize+"T Truck but were stopped and arrested.");
            return false;
        }
        iOre=+iOreAmmountInTons;
        this.iStatOreCarried = iStatOreCarried + iOreAmmountInTons; //Update stats
        if (iOre>iTruckBucketSize) //too much ore check
        {
            iStatOreCarried = iStatOreCarried - (iOre - iTruckBucketSize);//Correct stats
            iOre = iTruckBucketSize;
        }
        if (iOre==iTruckBucketSize)//Is it time to switch states check
        {
            iState = 2;
            return true;
        }
        return false;
    }
    
    //Outputs current state to console.
    public void announceState()
    {
        switch (iState)
        {
            case 0:
                if (bNoobState)
                {
                    System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Rediculous Trucker is kind of ready (pfff) and affraid to get fired.");
                }else
                {
                    if (iTruckBucketSize<=20)
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Normal Trucker is ready at HQ and waiting for orders !");
                    }else
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Heavy Trucker Division is burning fuel and waiting for orders !!!");
                    }
                }
                break;
            case 1:
                if (bNoobState)
                {
                    System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Rediculous Trucker en route to Mechanical Shovel "+iShovelNumber+" .");
                }else
                {
                    if (iTruckBucketSize<=20)
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Normal Trucker en route to Mechanical Shovel "+iShovelNumber+" !");
                    }else
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Heavy Trucker en route to Mechanical Shovel "+iShovelNumber+" !!!");
                    }
                }

                break;
            case 2:
                if (bNoobState)
                {
                    System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Rediculous Trucker en route to scary looking Crusher .");
                }else
                {
                    if (iTruckBucketSize<=20)
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Normal Trucker en route to the Crusher !");
                    }else
                    {
                        System.out.println(sTruckerName+" "+iTruckBucketSize+
                            "T Heavy Trucker en route to the one and only Crusher !!!");
                    }
                }

                break;
            case 3:
                break;
            default:
                break;
        }//END Switch
    }
    
    public String getTruckerName() //returns the name of the trucker
    {
        return this.sTruckerName;
    }
    
    public int getShovelNumber() //Returns the shovel number that this truck is assigned to.
    {
        return iShovelNumber;
    }
    
    public int getTruckBucketSize()//Returns the bucket size of the truck
    {
        return this.iTruckBucketSize;
    }
    
    public double timeIt()
    {
        double dHelper;
        if ((this.bAtCrusher && this.bAtShovel) || (!this.bAtCrusher && !this.bAtShovel))
        {
            return 0;
        }else
        {
            dHelper = myTimer.getNewTimeDifference();
            dHelper = dHelper / 1000;
            if (this.bAtShovel)
            {//AtShovel
                this.dStatWaitTShovel = dStatWaitTShovel + dHelper;
                return dHelper;
            }else
            {//AtCrusher
                this.dStatWaitTCrusher = dStatWaitTCrusher + dHelper;
                return dHelper;
            }
        }
    }
    
    /* Procedure addWorkTime
     * IN: dTimeInMinutes: Time (min) to add to the "Actual time Workig" stat
     * MOD: dStatWorkT
     * */
    public void addWorkTime(double dTimeInMinutes)
    {
        this.dStatWorkT = dStatWorkT + dTimeInMinutes;
    }
    
    public synchronized String getStats()
    {
        String sHelper = new String("Statistics for the "+this.sTruckerName+" "+
                this.iTruckBucketSize+"T truck assigned to Shovel n°"+
                this.iShovelNumber+" and the "+this.oThisTrucksCrusher.getCrusherName()+
                " Crusher\r\n");
        double dHelper;
        double dStatHelper;
        sHelper = sHelper + "¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯\r\n";
        sHelper = sHelper + "Ore Processed: "+Pbx.antiDecimal(this.iStatOreCarried,2)+" Tons\r\n";
        sHelper = sHelper + "Time in line at Shovel: "+Pbx.antiDecimal(this.dStatWaitTShovel,2)+" minutes\r\n";
        sHelper = sHelper + "Time in line at Crusher: "+Pbx.antiDecimal(this.dStatWaitTCrusher,2)+" minutes\r\n";
        sHelper = sHelper + "Transit Time: "+Pbx.antiDecimal(this.dStatTransitT,2)+" minutes\r\n";
        sHelper = sHelper + "Actual Work Time: "+Pbx.antiDecimal(this.dStatWorkT,2)+" minutes\r\n";
        dHelper = dStatWaitTShovel + dStatWaitTCrusher + dStatTransitT + dStatWorkT;
        dStatHelper= ((dHelper - dStatWaitTShovel - dStatWaitTCrusher)/ dHelper * 100 );
        sHelper = sHelper + "Total Run Time: "+Pbx.antiDecimal(dHelper,2)+" minutes\r\n";
        sHelper = sHelper + "Truck Utilization %: "+Pbx.antiDecimal(dStatHelper,2)+" %\r\n";
        dHelper = this.iStatOreCarried / dHelper;
        sHelper = sHelper + "Throughput: "+Pbx.antiDecimal(dHelper, 2)+" Tons of Ore/minute\r\n";
        return sHelper;
    }
    
    @Override
    public void run()
    {
        double timeDelays;
        if (bAreYouReadyToRoll==false)
        {
            System.out.println(sTruckerName+" is a n00b.  He/she tried to depart from HQ without being first assigned to a shovel... He/she should be fired I tell you...");
            return;
        }
        while (bAreYouReadyToRoll || iState==2)
        {
            switch (iState)
            {
                case 0:
                    iState = 1;
                    announceState();//that it's going to shovel
                    //Time delay
                    timeDelays = myTimer.RunAtPreDefinedRate(2000, 4000);
                    this.dStatTransitT = dStatTransitT + timeDelays;
                    System.out.println(this.sTruckerName+" "+this.iTruckBucketSize+
                            "T Truck arrived at Shovel n°"+this.iShovelNumber+
                            ".  Time taken: "+timeDelays+" minutes");
                    //Timer management
                    this.dStatTransitT = dStatTransitT + timeDelays;
                    bAtShovel = true;
                    myTimer.TakeStartTime();
                    this.oThisTrucksShovel.placeTruckInLine(this);//Load it in Shovel
                  while (iState == 1)
                    {
                        try
                        {
                            Thread.sleep(1);
                        }catch (Exception E)
                        {
                            System.exit(1);
                        }
                    }//END While(waitForState 1 to finish)
                    bAtShovel = false;
                    break;
                case 1:
                    announceState();
                    if (this.iTruckBucketSize == 50) //delay to come back to Shovel
                    {
                        timeDelays = myTimer.RunAtPreDefinedRate(2000, 2000);
                    }else
                    {
                        timeDelays = myTimer.RunAtPreDefinedRate(1500, 1500);
                    }
                    System.out.println(this.sTruckerName+" "+this.iTruckBucketSize+
                            "T Truck arrived at Shovel n°"+this.iShovelNumber+
                            ".  Time taken: "+timeDelays+" minutes");
                    //Timer management
                    this.dStatTransitT = dStatTransitT + timeDelays;
                    bAtShovel = true;
                    myTimer.TakeStartTime();
                    this.oThisTrucksShovel.placeTruckInLine(this);//Load it in Shovel
                    while (iState == 1)
                    {
                        try
                        {
                            Thread.sleep(1);
                        }catch (Exception E)
                        {
                            System.exit(1);
                        }
                    }//END While(waitForState 1 to finish)
                    bAtShovel = false;
                    break;
                case 2:
                    announceState();
                    if (this.iTruckBucketSize == 50) //delay to come back to Shovel
                    {
                        timeDelays = myTimer.RunAtPreDefinedRate(3000,3000);
                        System.out.println(this.sTruckerName+" "+this.iTruckBucketSize+
                            "T Truck arrived at Crusher"+
                            ".  Time taken: 3.00 minutes");
                    }else
                    {
                        timeDelays = myTimer.RunAtPreDefinedRate(2500,2500);
                        System.out.println(this.sTruckerName+" "+this.iTruckBucketSize+
                            "T Truck arrived at Crusher"+
                            ".  Time taken: 2.50 minutes");
                    }
                    //Timer management
                    this.dStatTransitT = dStatTransitT + timeDelays;
                    bAtCrusher = true;
                    myTimer.TakeStartTime();
                    this.oThisTrucksCrusher.placeTruckInLine(this);
                    //load it in Crusher
                    while (iState == 2)
                    {
                        try
                        {
                            Thread.sleep(1);
                        }catch (Exception E)
                        {
                            System.exit(1);
                        }
                    }//END While(waitForState 1 to finish)
                    bAtCrusher = false;
                    break;
                 case 3:
                     bAreYouReadyToRoll = false;
                     break;
                default:
                    System.out.println("Miners... We have a problem! The "+
                            this.sTruckerName+" "+this.iTruckBucketSize+"T Truck is is abandonning Shovel n°"+
                            this.iShovelNumber+" because of radiation exposure...");
                    bAreYouReadyToRoll = false;
                    break;
            }//END SWITCH
        }//END While (bAreYouReadyToRoll)
        System.out.println("SHUTDOWN: "+this.sTruckerName+" "+this.iTruckBucketSize+"T Truck is calling it a day.");
    }

}