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-              rfe03f69
+              rebf5e04
-import { v4 as uuidv4 } from 'uuid';
 import axios from 'axios';
 require('dotenv').config();
+/**
+ * ********************* BEGIN OF DEALING WITH GAME STATES *********************
+ */
+const singleDeck = ["SA", "S2", "S3", "S4", "S5", "S6", "S7", "S8", "S9", "SX", "SJ", "SQ", "SK",
+                    "HA", "H2", "H3", "H4", "H5", "H6", "H7", "H8", "H9", "HX", "HJ", "HQ", "HK",
+                    "CA", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CX", "CJ", "CQ", "CK",
+                    "DA", "D2", "D3", "D4", "D5", "D6", "D7", "D8", "D9", "DX", "DJ", "DQ", "DK"    ];
+/* We are using 5 decks */
+const deck = singleDeck.concat(singleDeck).concat(singleDeck).concat(singleDeck).concat(singleDeck);
+let game = {
+  deck: [...deck],
+  status: '_1_room_created',
+  playerCards: [],
+  dealerName: 'Lazar',
+  dealerCards: [],
+  initialBet: 0,
+  sideBet: 0,
+  sideBetName: '',
+  outcome: '',
+  earnings: 0,              // positive for draw, 2x for win, negative for loss.
+  sideBetOutcome: '',
+  sideBetEarnings: 0,
+}
+import { game, drawASingleCard, getInitialCards, calculateHandValue } from './gameStates';
+import { calculateEarnings, calculateSideBetEarnings } from './calculateEarnings';
 let rooms = []
-/**
- * Replace deck if empty
- */
-function checkDeckSize(game) {
-  if (game.deck.length === 0) {
-    game.deck = [...deck];
+  }
+}
-/**
- * Draw a SINGLE random card
- */
-function drawASingleCard(room) {
-  checkDeckSize(room);
-  let idx = Math.floor(Math.random() * room.deck.length);
-  let card = room.deck[idx];
-  room.deck.splice(idx, 1);
-  return card;
+}
-/**
- * Deal the initial hand of cards
- */
-function getInitialCards(room) {
-  room.playerCards.push(drawASingleCard(room));
-  room.playerCards.push(drawASingleCard(room));
-  room.dealerCards.push(drawASingleCard(room));
-  room.dealerCards.push(drawASingleCard(room));
+}
-function calculateEarnings(room) {
-  let betEarnings = 0;
-  if (room.outcome === 'draw') {
-    betEarnings = room.initialBet;
+  }
-  else if (room.outcome === 'player_won' || room.outcome === 'dealer_busted') {
-    betEarnings = 2 * room.initialBet;
+  }
-  else if (room.outcome === 'player_lost' || room.outcome === 'player_busted') {
-    betEarnings = -1 * room.initialBet;
+  }
-  return betEarnings;
+}
-function calculateSideBetEarnings(room) {
-  let sideBetEarnings = -1 * room.sideBet;
-  if (room.sideBetName != '') {
-    if (room.sideBetName === 'mixed_pair') {
-      if (checkIfSameValue(room.playerCards)) {
-        sideBetEarnings = room.sideBet * 5;
+      }
+    }
-    else if (room.sideBetName === 'coloured_pair') {
-      if (checkIfSameValue(room.playerCards) && checkIfSameColour(room.playerCards)) {
-        sideBetEarnings = room.sideBet * 12;
+      }
+    }
-    else if (room.sideBetName === 'perfect_pair') {
-      if (checkIfSameValue(room.playerCards) && checkIfSameSuit(room.playerCards)) {
-        sideBetEarnings = room.sideBet * 25;
+      }
+    }
-    else if (room.sideBetName === 'flush') {
-      const tmpCards = room.playerCards.slice().concat(room.dealerCards[0]);
-      if (checkIfSameSuit(tmpCards)) {
-        sideBetEarnings = room.sideBet * 5;
+      }
+    }
-    else if (room.sideBetName === 'straight') {
-      const tmpCards = room.playerCards.slice().concat(room.dealerCards[0]);
-      if (checkIfStraight(tmpCards)) {
-        sideBetEarnings = room.sideBet * 10;
+      }
+    }
-    else if (room.sideBetName === 'three_of_a_kind') {
-      const tmpCards = room.playerCards.slice().concat(room.dealerCards[0]);
-      if (checkIfSameValue(tmpCards)) {
-        sideBetEarnings = room.sideBet * 30;
+      }
+    }
-    else if (room.sideBetName === 'straight_flush') {
-      const tmpCards = room.playerCards.slice().concat(room.dealerCards[0]);
-      if (checkIfStraight(tmpCards) && checkIfSameSuit(tmpCards)) {
-        sideBetEarnings = room.sideBet * 40;
+      }
+    }
-    else if (room.sideBetName === 'suited_triple') {
-      const tmpCards = room.playerCards.slice().concat(room.dealerCards[0]);
-      if (checkIfSameSuit(tmpCards) && checkIfSameValue(tmpCards)) {
-        sideBetEarnings = room.sideBet * 100;
+      }
+    }
+  }
-  return sideBetEarnings;
+}
 /**
 …
   rooms[session_id] = room;
+}
-/**
- * ********************* END OF DEALING WITH GAME STATES *********************
- */
 /**
 …
     /**
      * /---------------------- GET ----------------------/
+     * If game status is _5_game_over, restart the room for a new game.
      * @action play_again
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * If game status is _4_cards_on_the_table, draw cards for the dealer while handValue < 17, and calculate game outcome and player earnings.
+     * Also, update the player's credits and stats in the database through /api/postgre?action=add_credits.
      * @action stand
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * If game status is _4_cards_on_the_table, draw a card for the player.
+     * If player busts, update the player's stats in the database through /api/postgre?action=add_credits.
      * @action hit_a_card
      * @param session_id
 …
      /**
      * /---------------------- GET ----------------------/
+     * If game status is _3_made_side_bet, check if the player won the side bet or not (if they placed a side bet of course).
+     * Update the player's stats in the database through /api/postgre?action=add_credits.
      * @action get_initial_cards
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * If game status is _2_made_initial_bet, place a side bet if the user has chosen one.
      * @action make_side_bet
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * If game status is _1_room_created, get the initial bet placed by the player.
      * @action make_initial_bet
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * Remove a room from the rooms array.
      * @action remove_room
      * @param session_id
 …
     /**
      * /---------------------- GET ----------------------/
+     * If the player is not in an existing room, create a room for them.
+     * If they are reconnecting, get the room they were in.
      * @action get_player_info_on_enter
      * @param session_id
 …
       let dealerCardsTmp = [];
       if (rooms[session_id].status.substr(1, 1) != '1') { // 5 == game_over
+      if (rooms[session_id].status.substr(1, 1) != '5') { // 5 == game_over
         rooms[session_id].dealerCards.forEach((card, i) => {
           if (i === 0) {
 …
+          }
         })
+      }
+      else {
+        dealerCardsTmp = rooms[session_id].dealerCards;
+      }
 …
  * ********************* END OF REQUEST HANDLER *********************
  */
-/**
- * ********************* BEGIN OF FUNCTIONS THAT CHECK CARD COMBINATIONS *********************
- */
-function calculateHandValue(cards) {
-  let value = 0;
-  let aces = 0;
-  for (let i = 0; i < cards.length; i++) {
-    let card = cards[i];
-    if (card.substring(1) === 'A') {
-      value += 11;
-      aces++;
-    } else if (card.substring(1) === 'X' || card.substring(1) === 'J' || card.substring(1) === 'Q' || card.substring(1) === 'K') {
-      value += 10;
-    } else {
-      value += parseInt(card.substring(1));
+    }
+  }
-  while (value > 21 && aces > 0) {
-    value -= 10;
-    aces--;
+  }
-  return value;
+}
-function checkIfSameValue(cards) {
-  for (let i = 1; i < cards.length; i++) {
-    if (cards[i][1] !== cards[i-1][1]) {
-      return false;
+    }
+  }
-  return true;
+}
-function checkIf2CardsAreSameColour(card1, card2) {
-  if (card1[0] === card2[0]) return true;
-  if (card1[0] === 'H' && card2[0] === 'D') return true;
-  if (card1[0] === 'D' && card2[0] === 'H') return true;
-  if (card1[0] === 'S' && card2[0] === 'C') return true;
-  if (card1[0] === 'C' && card2[0] === 'S') return true;
-  return false;
+}
-function checkIfSameColour(cards) {
-  for (let i = 1; i < cards.length; i++) {
-    if (!checkIf2CardsAreSameColour(cards[i], cards[i-1])) {
-      return false;
+    }
+  }
-  return true;
+}
-function checkIfSameSuit(cards) {
-  for (let i = 1; i < cards.length; i++) {
-    if (cards[i][0] !== cards[i-1][0]) {
-      return false;
+    }
+  }
-  return true;
+}
-function checkIfStraight(cards) {
-  let values = ['A', '2', '3', '4', '5', '6', '7', '8', '9', 'X', 'J', 'Q', 'K'];
-  let valuesInCards = [];
-  for (let i = 0; i < cards.length; i++) {
-    valuesInCards.push(cards[i][1]);
+  }
-  let temp = values.reduce((c, v, i) => Object.assign(c, {[v]: i}), {});
-  valuesInCards = valuesInCards.sort((a, b) => temp[a] - temp[b]);
-  let idx = values.indexOf(valuesInCards[0]);
-  let straight = true;
-  for (let i = 0; i < valuesInCards.length; i++) {
-    if (valuesInCards[i] !== values[idx]) {
-      straight = false;
-      break;
+    }
-    idx++;
-    if (idx >= temp.length) {
-      straight = false;
-      break;
+    }
+  }
-  if (straight) {
-    return true;
+  }
-  values = ['2', '3', '4', '5', '6', '7', '8', '9', 'X', 'J', 'Q', 'K', 'A'];
-  temp = values.reduce((c, v, i) => Object.assign(c, {[v]: i}), {});
-  valuesInCards = valuesInCards.sort((a, b) => temp[a] - temp[b]);
-  idx = values.indexOf(valuesInCards[0]);
-  for (let i = 0; i < valuesInCards.length; i++) {
-    if (valuesInCards[i] !== values[idx]) return false;
-    idx++;
-    if (idx >= temp.length) return false;
+  }
-  return true;
+}
-/**
- * ********************* END OF FUNCTIONS THAT CHECK CARD COMBINATIONS *********************
- */

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Changeset ebf5e04 for pages/api/blackjack

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pages/api/blackjack/index.js

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