From 96cd6ab4bc219810779fe57158dfdf7627c5a5a0 Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Thu, 4 Jul 2024 10:19:56 +0100
Subject: Add tagged queue implementation

---
 LearnMapKit/ADSBRunner.swift | 93 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/LearnMapKit/ADSBRunner.swift b/LearnMapKit/ADSBRunner.swift
index 0f09759..6d2bbc5 100644
--- a/LearnMapKit/ADSBRunner.swift
+++ b/LearnMapKit/ADSBRunner.swift
@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import Collections
 
 struct ADSBLocation {
     let address: Int
@@ -24,12 +25,99 @@ struct ADSBICAOname {
     let ICAOname: String
 }
 
+enum DataStreamType {
+    case EMPTY
+    case ADSB_ICAO
+    case ADSB_LOCATION
+    case ADSB_ALTITUDE
+}
+
+//get stream of decoded data, to tagged stream so all can be processed in sequence
+class ADSBDataQueue {
+    var icaoQueue: Deque<ADSBICAOname> = []
+    var altQueue: Deque<ADSBAltitude> = []
+    var locQueue: Deque<ADSBLocation> = []
+    var tagQueue: Deque<DataStreamType> = []
+    
+    func getNextTag() -> DataStreamType {
+        if tagQueue.count < 0 {
+            return DataStreamType.EMPTY
+        }
+        return tagQueue[tagQueue.count-1]
+    }
+    
+    func addIcaoName(_ address: Int, _ icaoname: String) {
+        tagQueue.append(DataStreamType.ADSB_ICAO)
+        icaoQueue.append(ADSBICAOname(address: address, ICAOname: icaoname))
+    }
+    
+    func addAltitude(_ address: Int, _ altitude: Int) {
+        tagQueue.append(DataStreamType.ADSB_ALTITUDE)
+        altQueue.append(ADSBAltitude(address: address, altitude: altitude))
+    }
+    
+    func addLocation(_ address: Int, _ lat: Double, _ long: Double) {
+        tagQueue.append(DataStreamType.ADSB_LOCATION)
+        locQueue.append(ADSBLocation(address: address, lat: lat, long: long))
+    }
+    
+    func getIcaoName() -> ADSBICAOname {
+        if tagQueue.count < 1 {
+            print("ADSB tag Queue is empry")
+            return ADSBICAOname(address:0,ICAOname: "")
+        }
+        let tag = tagQueue[tagQueue.count-1]
+        if tag != DataStreamType.ADSB_ICAO {
+            print("ADSB Queue empty")
+            return ADSBICAOname(address:0,ICAOname: "")
+        }
+        tagQueue.removeLast()
+        return icaoQueue.popLast()!
+    }
+    
+    func getAltitude() -> ADSBAltitude {
+        if tagQueue.count < 1 {
+            print("ADSB tag Queue is empry")
+            return ADSBAltitude(address:0,altitude:0)
+        }
+        let tag = tagQueue[tagQueue.count-1]
+        if tag != DataStreamType.ADSB_ALTITUDE {
+            print("ADSB Queue empty")
+            return ADSBAltitude(address:0,altitude:0)
+        }
+        tagQueue.removeLast()
+        return altQueue.popLast()!
+    }
+    
+    func getLocation() -> ADSBLocation {
+        if tagQueue.count < 1 {
+            print("ADSB tag Queue is empry")
+            return ADSBLocation(address:0,lat:0.0,long:0.0)
+        }
+        let tag = tagQueue[tagQueue.count-1]
+        if tag != DataStreamType.ADSB_LOCATION {
+            print("ADSB Queue empty")
+            return ADSBLocation(address:0,lat:0.0,long:0.0)
+        }
+        tagQueue.removeLast()
+        return locQueue.popLast()!
+    }
+    
+    func haveNum(_ num: Int) -> Bool {
+        if (tagQueue.count > num) {
+            return true
+        }
+        return false
+    }
+}
+
 class ADSBFileRunner {
     
     var filename: URL
     //track all airplanes
     var tracker = AirPlaneTracker()
     var adsb_source: String = ""
+    var adsb_tag_stream = ADSBDataQueue()
     
     init(filename:String) {
         self.filename = URL(fileURLWithPath:filename)
@@ -73,6 +161,7 @@ class ADSBFileRunner {
                             if (d17.TypeCode == 4) {
                                 if let indentification = d17.messageIdentification {
                                     tracker.addDF17Indentification(d17.AddressAnnounced, indentification.ICAOName)
+                                    adsb_tag_stream.addIcaoName(d17.AddressAnnounced, tracker.getICAOname(d17.AddressAnnounced)!)
                                 }
                             } else if (d17.TypeCode >= 9 && d17.TypeCode <= 18) {
                                 if let airbornposition = d17.messageAirbornPositon {
@@ -85,6 +174,10 @@ class ADSBFileRunner {
                                     )
                                     if let position = tracker.getPosition(d17.AddressAnnounced) {
                                         print("position: \(position)")
+                                        adsb_tag_stream.addAltitude(d17.AddressAnnounced, tracker.getAltitude(d17.AddressAnnounced)!)
+                                        let location = tracker.getPosition(d17.AddressAnnounced)!
+                                        adsb_tag_stream.addLocation(d17.AddressAnnounced, location.0, location.1)
+                                        
                                     }
                                 }
                             }
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