/*
  title:        BicycleRace.java
  description:  Software to handle the information management 
                requirements for the race managers...
  output:       http://paepcke.net/BicycleRace_output.html
  Note:         Kavan and I began development together and then branched off

*/

import java.io.*;

class BicycleRace {
  private static RaceManager Roster = new RaceManager();    
  private static FileWriter HTMLFile;                      // For HTML generation
  public static final long secsInHr = 3600;               // Simplify time conversions later
  public static final long secsInMin = 60;

  public static void main(String[] arg) {
    String Cmd;  

  for( ; ; ) {
    System.out.println("\nRacing Manager\n");
    Menu();
    System.out.print("\nHow Would You Like To Proceed? ");
    Cmd = Input.line();
    if     (Cmd.equals("q")) break;
    else if(Cmd.equals("a")) addRacer();
    else if(Cmd.equals("v")) viewRacer();
    else if(Cmd.equals("s")) startTime();
    else if(Cmd.equals("f")) finishTime();
    else if(Cmd.equals("l")) showRacer();
    else if(Cmd.equals("g")) htmlGen();
    }
  }

  public static void Menu(){                                   //Menu items will call methods
    System.out.println("Add Racers...       (a)dd");           //in this class, which in turn 
    System.out.println("Enter Start Time... (s)tart");         //talk to RaceManager (array)
    System.out.println("Enter Finish Time...(f)inish");        //and RacerData (object)
    System.out.println("Lookup Racer...     (l)ookup");
    System.out.println("View All Racers...  (v)iew");
    System.out.println("Generate Report...  (g)enerate");
    System.out.println("Leave Program...    (q)uit");

  }
   
  public static String grabIdentification() {
    System.out.print("Enter Name or ID: ");
    return (Input.line());
    }

  public static void addRacer() {
    String Name, Home, cmd;       
    System.out.println("Enter the Racers Information Below.");
     
    System.out.print("Enter Racer's Name: ");                          //Add method runs infinitely until "s"
    Name = Input.line();
    System.out.print("Enter Contestant's Hometown: ");
    Home = Input.line();
    Roster.Add(Name, Home);
    for ( ; ; ){
      System.out.print("Enter next racer or (s)top: ");
      cmd = Input.line();
      if(cmd.equals("s"))
        break;
      else {
        Name = cmd;
        System.out.print("Enter Contestant's Hometown: ");
        Home = Input.line();
        Roster.Add(Name, Home); }
    }
  }    

  public static void viewRacer() {
    System.out.println("ViewRacer was called");
    Roster.showroster();
    }

  public static void showRacer() {
    System.out.println("showRacer was called");
    RacerData theRacerObj = lookupRacer();
    if(theRacerObj == null)
      System.out.println("This racer was not found");
    else
       theRacerObj.showRacer();
  }

  public static RacerData lookupRacer() {                        //Allows user to enter either ID
    RacerData theRacerObj;                                       //or name without having to specify
    String tmpID = grabIdentification();                         //shared by startTime() & finishTime()
 
    if(Character.isLetter(tmpID.charAt(0)))
      theRacerObj = Roster.getRacerByName(tmpID);
    else {
      int tmpNum = Integer.parseInt(tmpID);
      theRacerObj = Roster.getRacerByID(tmpNum); }

    return theRacerObj;
  }


  public static void startTime() {
    RacerData tmpRacerObj = lookupRacer();

    if(tmpRacerObj == null)
      System.out.println("This racer was not found");
    else {
      tmpRacerObj.setStartTime(inputTime("start"));
      System.out.println("New start time set successfullly");
    }
  }


  public static void finishTime() {
    RacerData tmpRacerObj = lookupRacer();

    if(tmpRacerObj == null)
      System.out.println("This racer was not found");
    else {
      tmpRacerObj.setFinishTime(inputTime("finish"));
      System.out.println("New finish time set successfullly");
    }
  }


  public static long inputTime(String prompt) {                         //Receives time in hour/min/sec
                                                                        //converts to seconds before return
    int hrs, mins, secs;
    System.out.print("Enter " + prompt + " time hour: ");
    hrs = Input.integer();
    System.out.print("Enter " + prompt + " time minute: ");
    mins = Input.integer();
    System.out.print("Enter " + prompt + " time second: ");
    secs = Input.integer();

    return(makeSecs(hrs, mins, secs));
  }

  public static long makeSecs(int hrs, int mins, int secs) {
     return(hrs * secsInHr + mins * secsInMin + secs);
  }


//  #### Begin HTML Generation methods ####                            //Calls several methods in RacerData
                                                                       //in order to obtain data
  public static void htmlGen() {                                       //Will run in for() to write out <tr>'s
    String winnerInfo;
    String loserInfo;  
      
    Roster.findWinnerAndLoser();
    if (Roster.getWinner() == null)
      winnerInfo = "<Not yet available>";
    else
      winnerInfo = Roster.getWinner().getName();

    if (Roster.getLoser() == null)
      loserInfo = "<Not yet available>";
    else
      loserInfo = Roster.getLoser().getName();


    openOutputFile("c:\\GoGonzo_Report.htm");
    RacerData racerTmp = null;  
    writelnFile("<html><body>");
    writelnFile("<head><title>GoGonzo Racing Report</title></head>\n");
    writelnFile("<table border=1 cellpadding=3>");
    writelnFile("<tr>");
    writelnFile("<th>Name</th>\n<th>Home</th>\n<th>Start</th>\n<th>Finish</th>\n<th>Elapsed</th>");
    for( int i = 0 ; i < Roster.getcurrSize() ; i++) {
      racerTmp = Roster.getRacerByID(i);
      writelnFile("<tr>");
      writelnFile("  <td>" + racerTmp.getName() + "</td>");
      writelnFile("  <td>" + racerTmp.getHome() + "</td>");
      writelnFile("  <td>" + racerTmp.getStartTime() + "</td>");
      writelnFile("  <td>" + racerTmp.getFinishTime() + "</td>");
      writelnFile("  <td>" + racerTmp.getElapsedTime() + "</td>");
      writelnFile("</tr>");
    }
    writelnFile("</table><br>");
    writelnFile("The fastest bicyclist is: " + winnerInfo + "<br><br>");
    writelnFile("The slowest bicyclist is: " + loserInfo + " :-(");
    writelnFile("</body></html>");

    closeOutputFile();
    try {
    Runtime.getRuntime().exec("c:\\program files\\internet explorer\\iexplore.exe file://c:\\GoGonzo_Report.htm"); 
    } catch(IOException e) {
        System.err.println(e);
        System.out.println("GoGonzo was unable to located your Internet Explorer\nOpen file manually");
        }
    System.out.println("Report is in GoGonzo_Report.htm");             //Just launched IE
  }
  public static void openOutputFile(String filename) {

    try {
      HTMLFile = new FileWriter(filename);
    } catch(IOException e) {
	System.err.println(e);
      }
  }
  public static void writelnFile(String text) {                        //IO methods

    try {
      HTMLFile.write(text + "\n");
    } catch(IOException e) {
	System.err.println(e);
      }
  }
  public static void closeOutputFile() {

    try {
      HTMLFile.close();
    } catch(IOException e) {
	
      System.err.println(e);
      }
  }

//  #### End HTML Generation methods ####  

}  //  End of BicycleRace class


class RaceManager {
	
  private int  maxSize = 25;                             //Total number of objects allowed
  private int  currSize = 0;                             //Total number in the list so far
  private static RacerData[] RacerArray;                //An array of objects
  private static RacerData winner = null;
  private static RacerData loser  = null;


  public RaceManager(){
    RacerArray = new RacerData[maxSize];
    for (int i=0; i<maxSize; i++) RacerArray[i] = null;
  }

  public void Add(String Name, String Home){
    if(currSize == maxSize)
      System.out.println("You must pay for the Professional Edition to enter that " + maxSize + "th racer");
    else {
      RacerArray[currSize] = new RacerData(Name, Home);
      System.out.println(Name + " has been added and assigned racer ID number " + currSize);
      currSize++; }
  }

  public RacerData getWinner() { return(winner); }            //Help pass around some values
  public RacerData getLoser() { return(loser); }
  public int getcurrSize(){ return(currSize); }


  public void showroster(){
    for (int i=0; i < currSize; i++){
    RacerArray[i].showRacer(); 
    }
  }


  public RacerData getRacerByName(String Name){                //Return racer obj if searched for by name
    RacerData racerTmp;                                        //used by (l)
    for (int i=0; i < currSize; i++){
    racerTmp = RacerArray[i];
    if(racerTmp.getName().equals(Name))
      return(racerTmp);
    }
    return(null);
  }

  public void findWinnerAndLoser () {                             //Finds fastest and slowest - called by htmlgen

    RacerData racerTmp;
    long hisTime;

    winner = RacerArray[0];
    loser  = RacerArray[0];
    for (int i=0; i < currSize; i++){
      racerTmp = RacerArray[i];
      hisTime = racerTmp.getRaceTimeInSec();
      if (hisTime == 0)
        continue;
      else if (hisTime > loser.getRaceTimeInSec())
        loser = racerTmp;
      else if (hisTime < winner.getRaceTimeInSec())
        winner = racerTmp;
    }
  }


  public RacerData getRacerByID(int ID){
    if(ID < currSize)
      return(RacerArray[ID]);
    else 
      return(null);
  }
}                                                                  //End class RaceManager

class RacerData {


  private String theName, theHome;
  private long theStartTime = 0;
  private long theFinishTime = 0;

  public RacerData(String Name, String Home) {
    theName = Name;
    theHome = Home;
  }

  public void showRacer(){                                                //Responsible for the (v) command
    System.out.print("Name: " + theName + ",  ");
    System.out.print("Home: " + theHome + ",  ");
    System.out.print("Start: " + toString(theStartTime) + ",  ");
    System.out.println("Finish: " + toString(theFinishTime));
  }

  public String getName(){ return(theName); }                             //Pass around more values
  public String getHome(){ return(theHome); }
  public String getStartTime() { return(toString(theStartTime)); }
  public String getFinishTime(){ return(toString(theFinishTime)); }
  public String getElapsedTime(){ return(toString(getRaceTimeInSec())); }

  public long   getRaceTimeInSec() {                                       //Differentiates between entered
    if ((theFinishTime - theStartTime) <= 0)                               //and missing times
      return 0;
    else if (theFinishTime == 0)
      return 0;
    else if (theStartTime == 0)
      return 0;
    else return(theFinishTime - theStartTime); 
  }

  public String toString(long time) {                                      //Translate seconds to readable
    double hrs;                                                            //format - Used in (g) and (v)
    double minutes;                                                        //Returns "n/a" if nonexistant
    double seconds;

    if (time == 0)
      return("n/a");
    else {
    hrs = Math.floor((double) time/BicycleRace.secsInHr);
    time = time - (long) hrs * BicycleRace.secsInHr;
    minutes = Math.floor((double) time/BicycleRace.secsInMin);
    time = time - (long) minutes * BicycleRace.secsInMin;
    seconds = (double) time;

    return((int)hrs + ":" + (int)minutes + ":" + (int)seconds);
    }
  }


  public void setStartTime(long startTime){                               //Enter start & finish times into Obj.
    theStartTime = startTime;
  }

  public void setFinishTime(long finishTime){
    theFinishTime = finishTime;
  }

}