var user = PropertiesService.getUserProperties();
var ss = SpreadsheetApp.getActiveSpreadsheet();
var sheet = ss.getSheets()[0];

/*
*  Launched when clicked on the start button
*/
function start() {
  if(user.getKeys().length){
    Browser.msgBox('You are already in the session, remove your self first to create a new player');
    return;
  }
  var htmlOutput = HtmlService
    .createHtmlOutputFromFile('NewPlayer')
    .setWidth(220)
    .setHeight(260);

  SpreadsheetApp.getUi().showModalDialog(htmlOutput, 'New Player')
}

function createPlayer(formObject){
  var userName = formObject.psnName;
  var color = formObject.color;
  user.setProperties({name: userName,
                      color: color})

  // Only 10 players at a time can use the list
  var playerCells = sheet.getRange(7, 1, 10).getValues();

  for(var p = 0; p < playerCells.length; p++){

    if(playerCells[p][0] == ''){
      sheet.getRange(p + 7, 1).setValue(userName);
      sheet.getRange(p + 7, 2).setBackground(color);
      sheet.getRange(p + 7, 3).setValue('0/92')
      user.setProperties({p_num: p, moves: 0}, false)
      break;
    }
  }
}

function removePlayer(){
  if(user.getProperty('p_num')){
    var rowOffset = 0;
    var colOffset = 0;
    var p = user.getProperty('p_num');
    for(var moveNum = 1; moveNum <= 96; moveNum++){
      if(moveNum == 30 ){ rowOffset = 5; colOffset = 3;}
      else if (moveNum == 52 ) { rowOffset = 10; colOffset = 5;}
      else if (moveNum == 85)  { rowOffset = 15; colOffset = 8; }
      sheet.getRange(+8 + +rowOffset +(2*parseInt((moveNum - 1 - parseInt(rowOffset/5) - parseInt(rowOffset/10))/4)),
                     +5 + +p + +(10*((+moveNum + +colOffset - 1)%4)))
                     .setBackground('#ffffff')
    }
    sheet.getRange(+p + 7, 1, 1, 3).clear()
    user.deleteAllProperties();
  }
  else
   Browser.msgBox('You don\'t appear to be a player in this session')
}


function move(moveNum){
  if(!user.getKeys().length){
    Browser.msgBox('You haven\'t created a player yet!');
    return;
  }
  var rowOffset = 0;
  var colOffset = 0;
  if(moveNum >= 30 && moveNum <= 51){ rowOffset = 5; colOffset = 3;}
  else if (moveNum >= 52 && moveNum <= 84) { rowOffset = 10; colOffset = 5;}
  else if (moveNum > 84)  { rowOffset = 15; colOffset = 8; }
  cell = sheet.getRange(+8 + +rowOffset +(2*parseInt((moveNum - 1 - parseInt(rowOffset/5) - parseInt(rowOffset/10))/4)),
                        +5 + +user.getProperty('p_num') + +(10*((+moveNum + +colOffset - 1)%4)))
  if(cell.getBackground() == '#ffffff'){
    user.setProperties({moves: +user.getProperty('moves') + 1}, false)
    cell.setBackground(user.getProperty('color'))
    update()
  }
  else{
    user.setProperties({moves: +user.getProperty('moves') - 1}, false)
    cell.setBackground('#ffffff')
    update()
  }
}

function update(){
  sheet.getRange(+user.getProperty('p_num') + 7, 3).setValue(parseInt(user.getProperty('moves')) + '/96')
}