// Adapted by Rebecca Stankus on 10/19/18 from AttendeeLookupAndCheckin.gs by Robin Wilson 08-28-2018
var bingoSpreadsheetID = "1RWSOO2yyv78ZSOvMhWOUkQkSJ0Q7_zX0GpB37QbtuRE";
var spreadsheet = SpreadsheetApp.openById(bingoSpreadsheetID);
var sheetInProgress = spreadsheet.getSheetByName("InProgress");
var data = sheetInProgress.getDataRange().getValues();
var col_Usernames = sheetInProgress.getRange("Usernames").getColumn();
var col_cardNumbers = sheetInProgress.getRange("Cards").getColumn();
var col_cardColors = sheetInProgress.getRange("CardColors").getColumn();

var userCardNumbers = [];

// *************************************
// START UTILITY FUNCTIONS
// *************************************

/* DOES ARRAY CONTAIN A NUMBER: Search through an array for a specific number and return the result */
function contains(array, number) {
  for (var i = 0 ; i < array.length; i++) {
    if (array[i] === number) {
      return true;
    }
  }
  return false;
}

// *************************************
// END UTILITY FUNCTIONS
// *************************************

function doGet(e) {
  var type = e.parameter.type;
  
  if (type === "searchOrAdd" || type === "searchOnly") {
    var username = e.parameter.username;
    if (username) {
      var usernameRow = getUsernameRow(username);
      if (usernameRow === -1 && type === "searchOrAdd") {
        return addUser(e);
      } else if (usernameRow === -1 && type === "searchOnly") {
        return ContentService.createTextOutput(JSON.stringify({
          status: "success",
          newUser: true
        })).setMimeType(ContentService.MimeType.JSON);
      } else {
        var numbersCell = sheetInProgress.getRange(usernameRow + 1, col_cardNumbers);
        var colorCell = sheetInProgress.getRange(usernameRow + 1, col_cardColors);
        
        return ContentService.createTextOutput(JSON.stringify({
          status: "success",
          newUser: false,
          userCardNumbers: JSON.parse(numbersCell.getValue()),
          userCardColor: JSON.parse(colorCell.getValue()),
        })).setMimeType(ContentService.MimeType.JSON);
      }
    } else {
      return ContentService.createTextOutput(JSON.stringify({
        status: "error"
      })).setMimeType(ContentService.MimeType.JSON);
    }
  } else if (type === "newRound") {
    return newRound(e);
  }
}

// e.postData.contents will always be JSON.
function doPost(e) {
  var data = JSON.parse(e.postData.contents);
  
  if (data.type === "recordPrizes") {
    if (!data.winners) {
      return ContentService.createTextOutput(JSON.stringify({
        status: "error",
        text: "No winners array provided."
      })).setMimeType(ContentService.MimeType.JSON);
    }
    
    sheetInProgress.appendRow(["WINNER USERNAME", "PRIZE WON"]);
    
    var winnersArray = data.winners;
    for (var i = 0; i < winnersArray.length; i++) {
      sheetInProgress.appendRow([winnersArray[i].username, winnersArray[i].prizeWon]);
    }
    
    return ContentService.createTextOutput(JSON.stringify({
      status: "success"
    })).setMimeType(ContentService.MimeType.JSON);
  } else {
    return ContentService.createTextOutput(JSON.stringify({
      status: "error",
      text: "Invalid type provided."
    })).setMimeType(ContentService.MimeType.JSON);
  }
}

/* GET A RANDOM BINGO NUMBER: Selects a random number from the possible combinations for the current column. Each letter 
column has 15 possible numbers, so possibilities are  B 1-15, I 16-30, N  31-45, G 46-60, and O 61-75. After a random 
number is selected, checks that the number has not already been used and, if not, returns the new number */
var COLUMN_RANGE = 15;
var rowMinimum;
function getRandomNumber() {
  var randomNumber = Math.floor(Math.random() * Number(COLUMN_RANGE) + Number(rowMinimum));
  if (!contains(userCardNumbers, randomNumber)) {
    userCardNumbers.push(randomNumber);
    return randomNumber;
  }
  return getRandomNumber();
}

/* GET A RANDOM BINGO CARD COLOR */
var CARD_YELLOW = { "blue": 66, "green": 255, "red": 227 };
var CARD_BLUE = { "blue": 247, "green": 196, "red": 0 };
var CARD_GREEN = { "blue": 0, "green": 255, "red": 30 };
var CARD_PINK = { "blue": 119, "green": 0, "red": 255 };
function getRandomColor() {
  var colorChange = Math.floor(Math.random() * 4);
  var newColor;
  switch (colorChange) {
    case 0:
      newColor = CARD_YELLOW;
      break;
    case 1:
      newColor = CARD_BLUE;
      break;
    case 2:
      newColor = CARD_GREEN;
      break;
    case 3:
      newColor = CARD_PINK;
      break;
    default:
      newColor = CARD_PINK;
  }
  return newColor;
}

var BINGO_STRING = "BINGO";
function addUser(userData) {
  if (search(userData.parameter.username, col_Usernames) === -1) {
    userCardNumbers = [];
    rowMinimum = 1;
    for (var i = 0; i < BINGO_STRING.length; i++) {
      var rows = 5;
      for (var currentRow = 0; currentRow < rows; currentRow++) {
        if (!(i === 2 && currentRow === 2)) {
          getRandomNumber();
        }
      } 
      rowMinimum += COLUMN_RANGE;
    }
    var userCardColor = getRandomColor();
    sheetInProgress.appendRow([userData.parameter.username, JSON.stringify(userCardNumbers), JSON.stringify(userCardColor)]);
    return ContentService.createTextOutput(JSON.stringify({
      status: "success",
      newUser: true,
      userCardNumbers: userCardNumbers,
      userCardColor: userCardColor
    })).setMimeType(ContentService.MimeType.JSON);
  } else {
    return ContentService.createTextOutput("Not a new user");
  }
}

function getUsernameRow(username) {
  var searchUsername = username.toString().toLowerCase();
  return search(searchUsername, col_Usernames);
}

function search(searchTerm, searchCol) {
    for(var row = 0; row < data.length; row++) {
      var rowData = data[row];
      var cur = rowData[searchCol - 1];
      
      if (cur) cur = cur.toLowerCase();
      if (cur === searchTerm) return row;
    }
  return -1;
}

function newRound(newRoundData) {
  var calledLettersAndNumbers = newRoundData.parameter.calledLettersAndNumbers;
  if (calledLettersAndNumbers !== "[]") {
    sheetInProgress.appendRow(["Called Letters and Numbers", calledLettersAndNumbers]);
    var tabName = Utilities.formatDate(new Date(), 'America/Los_Angeles', 'MMMM dd, yyyy HH:mm:ss');
    var copy = sheetInProgress.copyTo(spreadsheet);
    copy.setName(tabName);
    
    sheetInProgress.clear();  
    
    return ContentService.createTextOutput(JSON.stringify({
      status: "success"
    })).setMimeType(ContentService.MimeType.JSON);
  } else {
    sheetInProgress.clear();
  }
}