// ==UserScript==
// @name         onlinetichu.com card counter
// @version      1.0.2
// @description  automatically count cards at onlinetichu.com
// @author       kesslermaximilian
// @match        *://*.onlinetichu.com/Site/Game/Table/*
// ==/UserScript==

// disable auto fold functionality completely
function injectCounter() {
  if (ot.AutoFold) {
    ot.$autoFold.click()
    ot.$autoFold.hide()
  }

  var myStyles = `
    #playedHigh {
      position: absolute;
      top: 620px;
      width: 850px;
      height: 120px;
    }

    #playedLow {
      position: absolute;
      top: 750px;
      width: 850px;
      height: 120px;
    }

    .playedCardsLayout {
      position: absolute;
      height: 125px;
    }

    .playedCardsLayout .card {
          width: 80px;
          height: 120px;
          border-radius: 5px;
          float: left;
          margin-left: -50px;
          text-align: left;
      }

    .playedCardsLayout .card:hover {
            z-index: 1400;
        }
  `

  var styleSheet = document.createElement("style")
  styleSheet.innerText = myStyles;
  console.log(styleSheet);
  document.head.appendChild(styleSheet);

  // add an extra field where we will put down the played cards
  var cardsField = document.createElement('div');
  cardsField.id = 'cardsField';
  cardsField.style.marginLeft = '25px';

  var playedHigh = document.createElement('div');
  playedHigh.id = 'playedHigh';
  playedHigh.style.marginLeft = '25px';
  playedHigh.className = 'row';
  playedHigh.hidden = true;

  var playedLow = document.createElement('div');
  playedLow.id = 'playedLow';
  playedLow.style.marginLeft = '25px';
  playedLow.className = 'row';
  playedLow.hidden = true;

  tableIG = document.getElementById('gameField').parentNode;
  tableIG.appendChild(playedHigh);
  tableIG.appendChild(playedLow);

  var createCardPlace = function(value, shift, node) {
    var playedCards = document.createElement('ul');
    playedCards.id = 'playedCards' + value;
    // playedCards.className = 'layoutPlayedCards list-unstyled col-lg-2';
  //  playedCards.className = 'playedCardsLayout list-unstyled';
    playedCards.className = 'playedCardsLayout list-unstyled';
    playedCards.style.width = '160px';
    playedCards.style.marginLeft = '25px';
    playedCards.style.left = shift*129 + 'px';

    node.appendChild(playedCards);
  }

  createCardPlace(1, 0, document.getElementById('playedHigh'));
  for(let i = 14; i > 8; i--) {
    createCardPlace(i, 14 - i + 1, document.getElementById('playedHigh'));
  }

  for(let i = 8; i > 1; i--) {
    createCardPlace(i, 8 - i, document.getElementById('playedLow'));
  }


  var smartFoldButton = document.createElement('button');
  smartFoldButton.className = "btn btn-danger btn-xs";
  smartFoldButton.id = "smartFold";
  smartFoldButton.type = "button";
  smartFoldButton.innerHTML = 'Smart fold: <span id="smartFoldValue" data-on="Yes" data-off="No">Yes</span>';

  var showPlayedButton = document.createElement('button');
  showPlayedButton.className = "btn btn-primary btn-xs";
  showPlayedButton.id = "showPlayed";
  showPlayedButton.type = "button";
  showPlayedButton.innerHTML = 'Show counted cards: <span id="showPlayedValue" data-on="Yes" data-off="No">No</span>';

  var showRemainingButton = document.createElement('button');
  showRemainingButton.className = "btn btn-info btn-xs";
  showRemainingButton.id = "showRemaining";
  showRemainingButton.type = "button";
  showRemainingButton.innerHTML = 'Show: <span id="showRemainingValue" data-on="Remaining" data-off="Played">Remaining</span>';

  buttons = document.getElementById('statusButtons');
  buttons.insertBefore(showRemainingButton, document.getElementById('autoFold'));
  buttons.insertBefore(showPlayedButton, document.getElementById('autoFold'));
  buttons.insertBefore(smartFoldButton, document.getElementById('autoFold'));

  // playedCards.
  // ot.$gameField.insertAfter(playedCards, ot.$gameField.lastChild);

  // set up counting of played cards
  var OnlineTichuCounter = {
    $playedCards: {},
    $smartFold: $('#smartFold'),
    $smartFoldValue: $('#smartFoldValue'),
    $showPlayed: $('#showPlayed'),
    $showPlayedValue: $('#showPlayedValue'),
    $showRemaining: $('#showRemaining'),
    $showRemainingValue: $('#showRemainingValue'),
    $playedHigh: $('#playedHigh'),
    $playedLow: $('#playedLow'),

    allCards: {},
    playedCards: {},
    totalPlayed: [],
    exchangedTo: {},
    exchangedFrom: {},
    smartFold: true,
    showPlayed: false,
    showRemaining: true,
    bombAfterFold: null,

    util: {
      displayCardsHtmlString: function(cards) {
          htmlString = "";
          $(cards).each(function () {
            var value = this.Value;
            if (this.Shape == 7) {
              value = 0;
            }
            htmlString += '<li id="c' + this.Shape + '-' + value
                       + '" class="card c' + this.Shape + '-' + value
                       + '" data-shape="' + this.Shape + '" data-value="'
                       + value + '"></li>';
          });
          return htmlString;
      },

      populateAllCards: function() {
        for(let val = 2; val < 15; val++) {
          otc.allCards[val] = [];
          for(let shape = 0; shape < 4; shape++) {
            otc.allCards[val].push({
              Shape: shape,
              Value: val
            });
          }
        }
        otc.allCards[1] = [
          { Shape: 4, Value: 1 }, // mahjong
          { Shape: 5, Value: 0 }, // dog
          { Shape: 6, Value: 15}, // dragon
          { Shape: 7, Value: 14 } // phoenix
        ];
      },

      cardInArray: function(card, array) {
        contained = false;
        for(let i = 0; i < array.length; i++) {
          if (array[i].Shape == card.Shape && array[i].Value == card.Value) {
            contained = true;
          }
        }
        return contained;
      }
    },

    action: {

      handlePlayedCard: function(card) {
        index = 0;
        // special cards have Shapes 4,5,6,7. We group them at value 1
        if(card.Shape >= 4) {
          index = 1;
          if (card.Shape == 7) {
            // Treat phoenix as if it had value 14
            // This is important for comparisons later
            card.Value = 14;
          }
        } else {
          index = card.Value;
        }
        otc.playedCards[index].push(card);
        otc.totalPlayed.push(card);

        otc.playedCards[index].sort(function(c1, c2){
          return c2.Shape - c1.Shape;
        });
      },

      handlePlayedCards: function(cards) {
        if (cards.length === 0) {
          return;
        }
        if (!otc.util.cardInArray(cards[0], otc.totalPlayed)) {
          $(message.Table.TableCards).each(
            (index, card) => otc.action.handlePlayedCard(card)
          );
        }
      },

      resetPlayedCards: function() {
        for(let i = 1; i < 15; i++) {
          otc.playedCards[i] = [];
        }
        otc.totalPlayed = [];
      },

      drawPlayedCards: function() {
        for(let i = 1; i < 15; i++) {
          if (otc.showRemaining) {
            cards = [];
            for(let j=0; j < otc.allCards[i].length; j ++) {
              if(!otc.util.cardInArray(otc.allCards[i][j], otc.playedCards[i])) {
                cards.push(otc.allCards[i][j]);
              }
              otc.$playedCards[i].html(otc.util.displayCardsHtmlString(cards));
            }
          } else {
            otc.$playedCards[i].html(otc.util.displayCardsHtmlString(otc.playedCards[i]));
          }
        }
      }
    }
  }

  if (!window.otc) {
    window.otc = OnlineTichuCounter;
  }

  otc.$showRemaining.hide();

  // add functionality to smartFold button
  otc.$smartFold.click(function () {
    otc.smartFold = !otc.smartFold;
    if (otc.smartFold) {
      otc.$smartFoldValue.text(otc.$smartFoldValue.data('on'));
    } else {
      otc.$smartFoldValue.text(otc.$smartFoldValue.data('off'));
    }
  });

  // add functionality to show button
  otc.$showPlayed.click(function () {
    otc.showPlayed = !otc.showPlayed;
    if (otc.showPlayed) {
      otc.$showPlayedValue.text(otc.$showPlayedValue.data('on'));
      otc.$playedHigh.show();
      otc.$playedLow.show();
      otc.$showRemaining.show();
    } else {
      otc.$showPlayedValue.text(otc.$showPlayedValue.data('off'));
      otc.$playedHigh.hide();
      otc.$playedLow.hide();
      otc.$showRemaining.hide();
    }
  });

  otc.$showRemaining.click(function () {
    otc.showRemaining = !otc.showRemaining;
    if (otc.showRemaining) {
      otc.$showRemainingValue.text(otc.$showRemainingValue.data('on'));
    } else {
      otc.$showRemainingValue.text(otc.$showRemainingValue.data('off'));
    }
    otc.action.drawPlayedCards();
  });

  for(let i = 1; i < 15; i++) {
    otc.$playedCards[i] = $('#playedCards' + i);
  }

  otc.action.resetPlayedCards();
  otc.util.populateAllCards();

  MyTableState = (function() {
    var cachedFunction = ot.reaction.TableState;

    return function() {
      var result = cachedFunction.apply(this, arguments);

      message = arguments[0];

  //    console.log('detected table state change event');
  //    console.log(message.Table.Status);

      // reset played cards at start of round
      if(message.Table.Status == 'WaitForNextCards') {
        otc.action.resetPlayedCards();
      }

      if(message.Table.Status == 'Playing') {
        otc.action.handlePlayedCards(message.Table.TableCards);
      }

      otc.action.drawPlayedCards();
      
      console.log('reached smartFold point');
      $(message.Table.Players).each(function () {
        if (this.Username == ot.$Username.val()) {
          console.log('found player');
          if (message.Table.Turn == this.Position) {
            console.log('my turn!');
            if (this.Cards.length < 4 && this.Cards.length < message.Table.TableCards.length) {
              console.log('obvious that have to fold now');
              if (otc.smartFold) {
                ot.action.Fold();
              }
            }
          }
        }
      });

      return result;
    }

  })();


  MyChat = (function() {
    var cachedFunction = ot.reaction.Chat;

    return function() {
      var result = cachedFunction.apply(this, arguments);

      message = arguments[0];
      if (message.User.Username === "System") {
        var messageArray = message.Text.replace(/</g, '&lt;').replace(/>/g, '&gt;').split(' ');
        message.Text = messageArray.join(' ');
        messageArray = message.Text.replace(/</g, '&lt;').replace(/>/g, '&gt;').split(' ');
        
        for(var i in messageArray) {
          if(messageArray[i] == "dogs") {
            otc.action.handlePlayedCard({
              "Shape": 5,
              "Value": 0
            });
          }
        }
      }

      return result;
    }
  })();

  MyExchangeCards = (function() {
    var cachedFunction = ot.action.ExchangeCards;

    return function() {

      otc.exchangedTo['west'] = {
        Shape: ot.$westExchange.children('li:nth-child(1)').data('shape'),
        Value: ot.$westExchange.children('li:nth-child(1)').data('value') };
      otc.exchangedTo['north'] = {
        Shape: ot.$northExchange.children('li:nth-child(1)').data('shape'),
        Value: ot.$northExchange.children('li:nth-child(1)').data('value') };
      otc.exchangedTo['east'] = {
        Shape: ot.$eastExchange.children('li:nth-child(1)').data('shape'),
        Value: ot.$eastExchange.children('li:nth-child(1)').data('value') };

      console.log(otc.exchangedTo);

      var result = cachedFunction.apply(this, arguments);
      return result;
    }
  })();

  MyReviewExchange = (function() {
    var cachedFunction = ot.reaction.ReviewExchange;

    return function() {
      var result = cachedFunction.apply(this, arguments);
      return result;
    }
  })();

  ot.reaction.TableState = MyTableState;
  ot.reaction.Chat = MyChat;
  ot.action.ExchangeCards = MyExchangeCards;
};


// Special care is to be taken to safely inject our javascript into the websiet
// without the website being able to talk back to greasemonkey
// (which would be a security problem)
// see
// https://stackoverflow.com/questions/5006460/userscripts-greasemonkey-calling-a-websites-javascript-functions
// and the excellent answer by Wayne for details on this
function exec(fn) {
    var script = document.createElement('script');
    script.setAttribute("type", "application/javascript");
    script.textContent = '(' + fn + ')();';
    document.body.appendChild(script); // run the script
    document.body.removeChild(script); // clean up
}

exec(injectCounter);