completely rework the parsing structure because I now realize how frames work

models/InfoPacket.js

@@ -0,0 +1,57 @@
+const { Parser } = require('binary-parser');
+const { ChunkParser, HeaderParser } = require('../parsers/common');
+const { InfoSystemNameParser, InfoTrackerListParser } = require('../parsers/info');
+
+class InfoPacket {
+  constructor(packet) {
+    this.packet = packet;
+    this.subChunks = [];
+    if (this.packet.has_subchunks) {
+      this.subChunkParser = new Parser().array('chunks', {
+        type: ChunkParser,
+        lengthInBytes: this.packet.data_len,
+      });
+      this.subChunks = this.subChunkParser.parse(this.packet.chunk_data)?.chunks;
+      this.subChunks = this.subChunks.map((subChunk) => {
+        let populatedSubChunk = {};
+        populatedSubChunk.data_len_valid = subChunk.chunk_data.length === subChunk.data_len;
+        switch (subChunk.id) {
+          case 0:
+            populatedSubChunk = {
+              ...subChunk,
+              ...HeaderParser.parse(subChunk.chunk_data),
+            };
+            break;
+          case 1:
+            populatedSubChunk = {
+              ...subChunk,
+              ...InfoSystemNameParser.parse(subChunk.chunk_data),
+            };
+            break;
+          case 2:
+            populatedSubChunk = {
+              ...subChunk,
+              ...InfoTrackerListParser.parse(subChunk.chunk_data),
+            };
+            break;
+          default:
+            populatedSubChunk = {
+              ...subChunk,
+            };
+            break;
+        }
+        return populatedSubChunk;
+      });
+    }
+  }
+
+  getHeaderPacket() {
+    return this.subChunks.find((subChunk) => subChunk.id === 0x0000);
+  }
+
+  getSystemPacket() {
+    return this.subChunks.find((subChunk) => subChunk.id === 0x0001);
+  }
+}
+
+module.exports = InfoPacket;