move common parsing into its own function

packages/lib/index.js

@@ -1,12 +1,23 @@
 class Console {
   constructor() {
     this.sportInitialized = false;
+    this.state = {
+      time: {},
+      auxTime: {},
+      home: {},
+      guest: {},
+    };
   }
 
   reset() {
     this.sportInitialized = false;
     delete this.sport;
-    delete this.state;
+    this.state = {
+      time: {},
+      auxTime: {},
+      home: {},
+      guest: {},
+    };
   }
 
   /**
@@ -14,22 +25,28 @@ class Console {
    * @param {Buffer} buffer
    */
   update(buffer) {
-    switch (buffer.at(2)) {
+    if (buffer.at(0) === 0xfc && buffer.at(1) === 0xfc) {
+      this.currentBuffer = {
+        hex: buffer.toString('hex'),
+        buffer,
+      };
+      this.parseCommon();
+      switch (this.currentBuffer.buffer.at(2)) {
         case 0x51:
           this.sport = 'basketball';
-        this.parseBasketball(buffer);
+          this.parseBasketball();
           break;
         case 0x61:
           this.sport = 'football';
-        this.parseFootball(buffer);
+          this.parseFootball();
           break;
         case 0x70:
           this.sport = 'volleyball';
-        this.parseVolleyball(buffer);
+          this.parseVolleyball();
           break;
         case 0x71:
           this.sport = 'baseball';
-        this.parseBaseball(buffer);
+          this.parseBaseball();
           break;
         case 0x16:
           this.sport = 'soccer';
@@ -40,28 +57,92 @@ class Console {
         case 0x40:
           this.sport = 'hockey';
           throw new Error('Hockey is not implemented');
+        case 0x85:
+          this.sport = 'auto_racing';
+          throw new Error('Auto racing is not implemented');
+        case 0x82:
+          this.sport = 'track';
+          throw new Error('Track is not implemented');
+        case 0x59:
+          this.sport = 'whirley';
+          throw new Error('Whirley is not implemented');
+        case 0x67:
+          this.sport = 'segment';
+          throw new Error('Segment is not implemented');
         default:
           console.log(`unidentified sport data: ${buffer.toString('hex')}`);
           break;
       }
     }
+  }
 
-  /**
+  parseCommon() {
-   *
+    this.state.time.minutes = this.currentBuffer.buffer.subarray(5, 6).toString('hex');
-   * @param {Buffer} buffer
+    this.state.time.seconds = this.currentBuffer.buffer.subarray(6, 7).toString('hex');
-   */
+    this.state.time.tenths = this.currentBuffer.hex.substring(15, 16);
-  parseBaseball(buffer) {
+
+    this.state.time.showTenths = this.currentBuffer.hex.at(8) === '1';
+    this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
+
+    if (this.state.time.showTenths) {
+      this.state.time.display += `.${this.state.time.tenths}`;
+    }
+
+    this.state.auxTime.seconds = this.currentBuffer.hex.substring(16, 18);
+    if (this.state.auxTime.seconds === 'aa') {
+      this.state.auxTime.seconds = '00';
+    }
+
+    this.state.auxTime.tenths = this.currentBuffer.hex.substring(19, 20);
+    if (this.state.auxTime.tenths === 'a') {
+      this.state.auxTime.tenths = '0';
+    }
+
+    this.state.auxTime.display = `${this.state.auxTime.seconds}.${this.state.auxTime.tenths}`;
+
+    const hornBinaryFlags = this.currentBuffer.buffer.at(4).toString(2).padStart(8, '0');
+    this.state.horn = hornBinaryFlags[0] === '1';
+    this.state.auxHorn = hornBinaryFlags[1] === '1';
+
+    this.state.showTimeOfDay = this.currentBuffer.buffer.at(5) === 0xff && this.currentBuffer.buffer.at(6) === 0xff;
+
+    if (this.currentBuffer.buffer.at(10) === 0x11) {
+      const homeBinaryInfo = this.currentBuffer.buffer.at(12).toString(2).padStart(8, '0');
+      const guestBinaryInfo = this.currentBuffer.buffer.at(14).toString(2).padStart(8, '0');
+
+      this.state.home.score = parseInt(this.currentBuffer.hex.substring(22, 24), 10);
+      if (homeBinaryInfo[0] === '1') {
+        this.state.home.score += 100;
+      }
+      this.state.guest.score = parseInt(this.currentBuffer.hex.substring(26, 28), 10);
+      if (guestBinaryInfo[0] === '1') {
+        this.state.guest.score += 100;
+      }
+
+      this.state.home.poss = homeBinaryInfo[7] === '1';
+      this.state.guest.poss = guestBinaryInfo[7] === '1';
+
+      this.state.home.doubleBonus = homeBinaryInfo[3] === '1';
+      this.state.home.bonus = homeBinaryInfo[4] === '1';
+
+      this.state.guest.doubleBonus = guestBinaryInfo[3] === '1';
+      this.state.guest.bonus = guestBinaryInfo[4] === '1';
+      this.state.period = parseInt(this.currentBuffer.hex.substring(31, 32), 10);
+
+      this.state.home.timeouts = parseInt(this.currentBuffer.hex.substring(40, 41), 10);
+      this.state.guest.timeouts = parseInt(this.currentBuffer.hex.substring(41, 42), 10);
+    }
+  }
+
+  parseBaseball() {
     if (!this.sportInitialized) {
-      this.state = {
+      this.state.bases = {
-        time: {},
-        home: {},
-        guest: {},
-        bases: {
         first: false,
         second: false,
         third: false,
-        },
+      };
-        innings: {
+
+      this.state.innings = {
         1: {
           home: {
             score: 0,
@@ -151,69 +232,46 @@ class Console {
             score: 0,
           },
         },
-        },
       };
       this.sportInitialized = true;
     }
 
-    const bufferHex = buffer.toString('hex');
+    const seqNum = this.currentBuffer.buffer.at(10);
+    if (seqNum === 0x11) {
+      this.state.guest.hits = parseInt(this.currentBuffer.buffer.subarray(23, 24).toString('hex'), 10);
+      this.state.home.hits = parseInt(this.currentBuffer.buffer.subarray(22, 23).toString('hex'), 10);
 
-    this.state.time.minutes = buffer.subarray(5, 6).toString('hex');
+      this.state.batter = this.currentBuffer.buffer.subarray(21, 22).toString('hex');
-    this.state.time.seconds = buffer.subarray(6, 7).toString('hex');
-    this.state.time.tenths = bufferHex.substring(15, 16);
-
-    this.state.time.showTenths = bufferHex.at(8) === '1';
-    this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
-
-    const hornBinaryFlags = buffer.at(4).toString(2).padStart(8, '0');
-    this.state.horn = hornBinaryFlags[0] === '1';
-
-    const seqNum = bufferHex.substring(20, 22);
-    if (seqNum === '11') {
-      const homeBinaryInfo = buffer.at(12).toString(2).padStart(8, '0');
-      const guestBinaryInfo = buffer.at(14).toString(2).padStart(8, '0');
-
-      this.state.home.score = parseInt(bufferHex.substring(22, 24), 10);
-      if (homeBinaryInfo[0] === '1') {
-        this.state.home.score += 100;
-      }
-      this.state.guest.score = parseInt(bufferHex.substring(26, 28), 10);
-      if (guestBinaryInfo[0] === '1') {
-        this.state.guest.score += 100;
-      }
-
-      this.state.guest.hits = parseInt(buffer.subarray(23, 24).toString('hex'), 10);
-      this.state.home.hits = parseInt(buffer.subarray(22, 23).toString('hex'), 10);
-
-      this.state.batter = buffer.subarray(21, 22).toString('hex');
       if (this.state.batter === 'aa') {
         this.state.batter = '';
       }
-      this.state.home.pitcher = parseInt(buffer.subarray(26, 27).toString('hex'), 10);
+      this.state.home.pitcher = parseInt(this.currentBuffer.buffer.subarray(26, 27).toString('hex'), 10);
-      this.state.guest.pitcher = parseInt(buffer.subarray(24, 25).toString('hex'), 10);
+      this.state.guest.pitcher = parseInt(this.currentBuffer.buffer.subarray(24, 25).toString('hex'), 10);
-      const baseBinaryInfo = buffer.at(19).toString(2).padStart(8, '0');
+      const baseBinaryInfo = this.currentBuffer.buffer.at(19).toString(2).padStart(8, '0');
 
       this.state.bases.first = baseBinaryInfo[3] === '1';
       this.state.bases.second = baseBinaryInfo[2] === '1';
       this.state.bases.third = baseBinaryInfo[1] === '1';
 
-      this.state.outs = parseInt(bufferHex.substring(37, 38), 10);
+      this.state.outs = parseInt(this.currentBuffer.hex.substring(37, 38), 10);
-      this.state.strikes = parseInt(bufferHex.substring(36, 37), 10);
+      this.state.strikes = parseInt(this.currentBuffer.hex.substring(36, 37), 10);
-      this.state.balls = parseInt(bufferHex.substring(39, 40), 10);
+      this.state.balls = parseInt(this.currentBuffer.hex.substring(39, 40), 10);
-      const binaryFlags = buffer.at(12).toString(2).padStart(8, '0');
+      const binaryFlags = this.currentBuffer.buffer.at(12).toString(2).padStart(8, '0');
       this.state.hit = binaryFlags[4] === '1';
-    } else if (seqNum === '22') {
+    } else if (seqNum === 0x22) {
       const guestInningStartIndex = 11;
       const homeInningStartIndex = 21;
 
       for (let i = 0; i < 10; i += 1) {
-        const guestInningScore = buffer
+        const guestInningScore = this.currentBuffer.buffer
           .subarray(guestInningStartIndex + i, guestInningStartIndex + i + 1)
           .toString('hex');
         if (guestInningScore !== '0a') {
           this.state.innings[i + 1].guest.score = parseInt(guestInningScore, 10);
         }
-        const homeInningScore = buffer.subarray(homeInningStartIndex + i, homeInningStartIndex + i + 1).toString('hex');
+        const homeInningScore = this.currentBuffer.buffer
+          .subarray(homeInningStartIndex + i, homeInningStartIndex + i + 1)
+          .toString('hex');
         if (homeInningScore !== '0a') {
           this.state.innings[i + 1].home.score = parseInt(homeInningScore, 10);
         }
@@ -225,182 +283,43 @@ class Console {
    *
    * @param {Buffer} buffer
    */
-  parseFootball(buffer) {
+  parseFootball() {
     if (!this.sportInitialized) {
-      this.state = {
-        time: {},
-        playClock: {},
-        home: {},
-        guest: {},
-      };
-
       this.sportInitialized = true;
     }
 
-    const bufferHex = buffer.toString('hex');
+    const seqNum = this.currentBuffer.buffer.at(10);
-
+    if (seqNum === 0x11) {
-    this.state.time.minutes = buffer.subarray(5, 6).toString('hex');
+      this.state.quarter = parseInt(this.currentBuffer.hex.substring(31, 32), 10);
-    this.state.time.seconds = buffer.subarray(6, 7).toString('hex');
+      this.state.down = parseInt(this.currentBuffer.hex.substring(39, 40), 10);
-    this.state.time.tenths = bufferHex.substring(15, 16);
+      this.state.yardsToGo = parseInt(this.currentBuffer.buffer.subarray(18, 19).toString('hex'), 10);
-
+      this.state.ballOn = parseInt(this.currentBuffer.buffer.subarray(21, 22).toString('hex'), 10);
-    this.state.time.showTenths = bufferHex.at(8) === '1';
-    this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
-
-    this.state.playClock.seconds = bufferHex.substring(16, 18);
-
-    const hornBinaryFlags = buffer.at(4).toString(2).padStart(8, '0');
-    this.state.horn = hornBinaryFlags[0] === '1';
-
-    const seqNum = bufferHex.substring(20, 22);
-    if (seqNum === '11') {
-      const homeBinaryInfo = buffer.at(12).toString(2).padStart(8, '0');
-      const guestBinaryInfo = buffer.at(14).toString(2).padStart(8, '0');
-
-      this.state.home.score = parseInt(bufferHex.substring(22, 24), 10);
-      if (homeBinaryInfo[0] === '1') {
-        this.state.home.score += 100;
-      }
-      this.state.guest.score = parseInt(bufferHex.substring(26, 28), 10);
-      if (guestBinaryInfo[0] === '1') {
-        this.state.guest.score += 100;
-      }
-
-      this.state.home.poss = homeBinaryInfo[7] === '1';
-      this.state.guest.poss = guestBinaryInfo[7] === '1';
-
-      this.state.home.timeouts = parseInt(bufferHex.substring(40, 41), 10);
-      this.state.guest.timeouts = parseInt(bufferHex.substring(41, 42), 10);
-
-      this.state.quarter = parseInt(bufferHex.substring(31, 32), 10);
-      this.state.down = parseInt(bufferHex.substring(39, 40), 10);
-      this.state.yardsToGo = parseInt(buffer.subarray(18, 19).toString('hex'), 10);
-      this.state.ballOn = parseInt(buffer.subarray(21, 22).toString('hex'), 10);
     }
   }
 
-  /**
+  parseVolleyball() {
-   *
+    if (!this.sportInitialized) {
-   * @param {Buffer} buffer
+      this.sportInitialized = true;
-   */
+    }
-  parseVolleyball(buffer) {
+    const seqNum = this.currentBuffer.buffer.at(10);
-    const bufferHex = buffer.toString('hex');
+    if (seqNum === 0x11) {
+      this.state.home.gamesWon = parseInt(this.currentBuffer.buffer.subarray(16, 17).toString('hex'), 10);
+      this.state.guest.gamesWon = parseInt(this.currentBuffer.buffer.subarray(17, 18).toString('hex'), 10);
+
+      this.state.game = parseInt(this.currentBuffer.hex.substring(31, 32), 10);
+    }
+  }
+
+  parseBasketball() {
     if (!this.sportInitialized) {
-      this.state = {
-        time: {},
-        home: {},
-        guest: {},
-      };
       this.sportInitialized = true;
     }
 
-    this.state.time.minutes = bufferHex.substring(10, 12);
+    const seqNum = this.currentBuffer.buffer.at(10);
-    this.state.time.seconds = bufferHex.substring(12, 14);
+    if (seqNum === 0x11) {
-    this.state.time.tenths = bufferHex.substring(15, 16);
+      this.state.home.fouls = parseInt(this.currentBuffer.hex.substring(32, 34), 10);
-
+      this.state.guest.fouls = parseInt(this.currentBuffer.hex.substring(34, 36), 10);
-    this.state.time.showTenths = bufferHex.at(8) === '1';
+      this.state.period = parseInt(this.currentBuffer.hex.substring(31, 32), 10);
-    this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
-
-    const hornBinaryFlags = buffer.at(4).toString(2).padStart(8, '0');
-    this.state.horn = hornBinaryFlags[0] === '1';
-
-    const seqNum = bufferHex.substring(20, 22);
-    if (seqNum === '11') {
-      const homeBinaryInfo = buffer.at(12).toString(2).padStart(8, '0');
-      const guestBinaryInfo = buffer.at(14).toString(2).padStart(8, '0');
-
-      this.state.home.score = parseInt(bufferHex.substring(22, 24), 10);
-      if (homeBinaryInfo[0] === '1') {
-        this.state.home.score += 100;
-      }
-      this.state.guest.score = parseInt(bufferHex.substring(26, 28), 10);
-      if (guestBinaryInfo[0] === '1') {
-        this.state.guest.score += 100;
-      }
-
-      this.state.home.serve = homeBinaryInfo[7] === '1';
-      this.state.guest.serve = guestBinaryInfo[7] === '1';
-
-      this.state.home.gamesWon = parseInt(buffer.subarray(16, 17).toString('hex'), 10);
-      this.state.guest.gamesWon = parseInt(buffer.subarray(17, 18).toString('hex'), 10);
-
-      this.state.home.timeouts = parseInt(bufferHex.substring(40, 41), 10);
-      this.state.guest.timeouts = parseInt(bufferHex.substring(41, 42), 10);
-
-      this.state.game = parseInt(bufferHex.substring(31, 32), 10);
-    }
-  }
-
-  /**
-   *
-   * @param {Buffer} buffer
-   */
-  parseBasketball(buffer) {
-    const bufferHex = buffer.toString('hex');
-    if (!this.sportInitialized) {
-      this.state = {
-        time: {},
-        shotClock: {},
-        home: {},
-        guest: {},
-      };
-      this.sportInitialized = true;
-    }
-
-    this.state.time.minutes = bufferHex.substring(10, 12);
-    this.state.time.seconds = bufferHex.substring(12, 14);
-    this.state.time.tenths = bufferHex.substring(15, 16);
-
-    this.state.time.showTenths = bufferHex.at(8) === '1';
-    this.state.time.display = `${this.state.time.minutes}:${this.state.time.seconds}`;
-
-    if (this.state.time.showTenths) {
-      this.state.time.display += `.${this.state.time.tenths}`;
-    }
-
-    this.state.shotClock.seconds = bufferHex.substring(16, 18);
-    if (this.state.shotClock.seconds === 'aa') {
-      this.state.shotClock.seconds = '00';
-    }
-
-    this.state.shotClock.tenths = bufferHex.substring(19, 20);
-    if (this.state.shotClock.tenths === 'a') {
-      this.state.shotClock.tenths = '0';
-    }
-
-    this.state.shotClock.display = `${this.state.shotClock.seconds}.${this.state.shotClock.tenths}`;
-
-    const seqNum = bufferHex.substring(20, 22);
-    const hornBinaryFlags = buffer.at(4).toString(2).padStart(8, '0');
-    this.state.horn = hornBinaryFlags[0] === '1';
-    if (seqNum === '11') {
-      const homeBinaryInfo = buffer.at(12).toString(2).padStart(8, '0');
-      const guestBinaryInfo = buffer.at(14).toString(2).padStart(8, '0');
-
-      this.state.home.score = parseInt(bufferHex.substring(22, 24), 10);
-      if (homeBinaryInfo[0] === '1') {
-        this.state.home.score += 100;
-      }
-      this.state.guest.score = parseInt(bufferHex.substring(26, 28), 10);
-      if (guestBinaryInfo[0] === '1') {
-        this.state.guest.score += 100;
-      }
-
-      this.state.home.poss = homeBinaryInfo[7] === '1';
-      this.state.guest.poss = guestBinaryInfo[7] === '1';
-
-      this.state.home.doubleBonus = homeBinaryInfo[3] === '1';
-      this.state.home.bonus = homeBinaryInfo[4] === '1';
-
-      this.state.guest.doubleBonus = guestBinaryInfo[3] === '1';
-      this.state.guest.bonus = guestBinaryInfo[4] === '1';
-
-      this.state.home.fouls = parseInt(bufferHex.substring(32, 34), 10);
-      this.state.guest.fouls = parseInt(bufferHex.substring(34, 36), 10);
-
-      this.state.home.timeouts = parseInt(bufferHex.substring(40, 41), 10);
-      this.state.guest.timeouts = parseInt(bufferHex.substring(41, 42), 10);
-
-      this.state.period = parseInt(bufferHex.substring(31, 32), 10);
     }
 
     // TODO(jwetzell): decode player stats in seqNum >= 22