From 210f866374b05bf77b88b65a906c3948cbdf953a Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Mon, 16 Jun 2025 13:56:21 -0500
Subject: [PATCH] map debugging

---
 assets/js/app.js                            | 140 ++++++++++
 assets/js/minimal_map.js                    | 220 ++++++++++++++--
 lib/aprs_web/controllers/page_controller.ex |  78 ++++++
 lib/aprs_web/live/map_live/callsign_view.ex |  51 +++-
 lib/aprs_web/live/map_live/debug.ex         | 273 ++++++++++++++++++++
 lib/aprs_web/router.ex                      |   2 +
 6 files changed, 741 insertions(+), 23 deletions(-)
 create mode 100644 lib/aprs_web/live/map_live/debug.ex

diff --git a/assets/js/app.js b/assets/js/app.js
index 3948c69..4c041ec 100644
--- a/assets/js/app.js
+++ b/assets/js/app.js
@@ -27,9 +27,149 @@ let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("
 // Import minimal APRS map hook
 import MinimalAPRSMap from "./minimal_map.js";
 
+// Debug Map Hook
+let DebugMap = {
+  mounted() {
+    console.log("DebugMap hook mounted");
+    window.liveSocket.pushEvent("debug_info", { hook_mounted: true });
+
+    // Check if Leaflet is available
+    if (typeof L === "undefined") {
+      console.error("Leaflet library not loaded!");
+      window.liveSocket.pushEvent("debug_info", {
+        leaflet_loaded: false,
+        errors: ["Leaflet not loaded"],
+      });
+      return;
+    }
+
+    window.liveSocket.pushEvent("debug_info", { leaflet_loaded: true });
+
+    // Get initial center and zoom from server-provided data attributes
+    let initialCenter, initialZoom;
+    try {
+      initialCenter = JSON.parse(this.el.dataset.center);
+      initialZoom = parseInt(this.el.dataset.zoom);
+      console.log("Parsed data - center:", initialCenter, "zoom:", initialZoom);
+    } catch (error) {
+      console.error("Error parsing map data attributes:", error);
+      window.liveSocket.pushEvent("debug_info", {
+        errors: ["Error parsing map data: " + error.message],
+      });
+      // Fallback values
+      initialCenter = { lat: 39.8283, lng: -98.5795 };
+      initialZoom = 5;
+    }
+
+    // Check element dimensions
+    const rect = this.el.getBoundingClientRect();
+    console.log("Map element dimensions:", rect);
+
+    // Initialize basic map
+    try {
+      this.map = L.map(this.el, {
+        zoomControl: true,
+        attributionControl: true,
+        closePopupOnClick: true,
+      }).setView([initialCenter.lat, initialCenter.lng], initialZoom);
+
+      console.log("Map initialized successfully");
+      window.liveSocket.pushEvent("debug_info", { map_initialized: true });
+      window.debugMapInstance = this.map;
+    } catch (error) {
+      console.error("Error initializing map:", error);
+      window.liveSocket.pushEvent("debug_info", {
+        map_initialized: false,
+        errors: ["Map init error: " + error.message],
+      });
+      return;
+    }
+
+    // Add OpenStreetMap tile layer
+    try {
+      const tileLayer = L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+        attribution:
+          '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors | APRS.me',
+        maxZoom: 19,
+      });
+      tileLayer.addTo(this.map);
+      console.log("Tile layer added successfully");
+
+      // Listen for tile layer events
+      tileLayer.on("loading", () => console.log("Tiles loading..."));
+      tileLayer.on("load", () => console.log("Tiles loaded"));
+      tileLayer.on("tileerror", (e) => console.error("Tile error:", e));
+    } catch (error) {
+      console.error("Error adding tile layer:", error);
+      window.liveSocket.pushEvent("debug_info", {
+        errors: ["Tile layer error: " + error.message],
+      });
+    }
+
+    // Force initial size calculation
+    try {
+      this.map.invalidateSize();
+      console.log("Map size invalidated");
+    } catch (error) {
+      console.error("Error invalidating map size:", error);
+    }
+
+    // Track when map is ready
+    this.map.whenReady(() => {
+      console.log("Debug map is ready");
+      console.log("Map container size:", this.map.getSize());
+      console.log("Map zoom:", this.map.getZoom());
+      console.log("Map center:", this.map.getCenter());
+
+      try {
+        this.pushEvent("map_ready", {});
+      } catch (error) {
+        console.error("Error in map ready callback:", error);
+      }
+    });
+
+    // Handle resize
+    window.addEventListener("resize", () => {
+      console.log("Window resized, invalidating map size");
+      try {
+        this.map.invalidateSize();
+      } catch (error) {
+        console.error("Error invalidating map size on resize:", error);
+      }
+    });
+
+    // Add a delayed size check
+    setTimeout(() => {
+      console.log("Delayed map size check");
+      const rect = this.el.getBoundingClientRect();
+      console.log("Map element dimensions after delay:", rect);
+      if (this.map) {
+        try {
+          this.map.invalidateSize();
+          console.log("Map size re-invalidated after delay");
+        } catch (error) {
+          console.error("Error re-invalidating map size:", error);
+        }
+      }
+    }, 1000);
+  },
+
+  destroyed() {
+    console.log("DebugMap hook destroyed");
+    if (this.map) {
+      this.map.remove();
+      this.map = null;
+    }
+    if (window.debugMapInstance) {
+      window.debugMapInstance = null;
+    }
+  },
+};
+
 // APRS Map Hook
 let Hooks = {};
 Hooks.APRSMap = MinimalAPRSMap;
+Hooks.DebugMap = DebugMap;
 
 let liveSocket = new LiveSocket("/live", Socket, {
   longPollFallbackMs: 2500,
diff --git a/assets/js/minimal_map.js b/assets/js/minimal_map.js
index f7d858b..68e69c9 100644
--- a/assets/js/minimal_map.js
+++ b/assets/js/minimal_map.js
@@ -4,39 +4,165 @@
 let MinimalAPRSMap = {
   mounted() {
     console.log("MinimalAPRSMap hook mounted");
+    console.log("Element:", this.el);
+    console.log("Element dataset:", this.el.dataset);
+
+    // Initialize error tracking
+    this.errors = [];
+    this.initializationAttempts = 0;
+    this.maxInitializationAttempts = 3;
+
+    this.attemptInitialization();
+  },
+
+  attemptInitialization() {
+    this.initializationAttempts++;
+    console.log(
+      `Initialization attempt ${this.initializationAttempts}/${this.maxInitializationAttempts}`,
+    );
+
+    // Check if Leaflet is available
+    if (typeof L === "undefined") {
+      console.error("Leaflet library not loaded!");
+      this.errors.push("Leaflet library not available");
+
+      if (this.initializationAttempts < this.maxInitializationAttempts) {
+        console.log("Retrying initialization in 1 second...");
+        setTimeout(() => this.attemptInitialization(), 1000);
+        return;
+      } else {
+        this.handleFatalError("Leaflet library failed to load after multiple attempts");
+        return;
+      }
+    }
 
     // Get initial center and zoom from server-provided data attributes
-    const initialCenter = JSON.parse(this.el.dataset.center);
-    const initialZoom = parseInt(this.el.dataset.zoom);
+    let initialCenter, initialZoom;
+    try {
+      const centerData = this.el.dataset.center;
+      const zoomData = this.el.dataset.zoom;
 
+      if (!centerData || !zoomData) {
+        throw new Error("Missing map data attributes");
+      }
+
+      initialCenter = JSON.parse(centerData);
+      initialZoom = parseInt(zoomData);
+
+      // Validate parsed data
+      if (
+        !initialCenter ||
+        typeof initialCenter.lat !== "number" ||
+        typeof initialCenter.lng !== "number"
+      ) {
+        throw new Error("Invalid center data");
+      }
+
+      if (isNaN(initialZoom) || initialZoom < 1 || initialZoom > 20) {
+        throw new Error("Invalid zoom data");
+      }
+
+      console.log("Parsed data - center:", initialCenter, "zoom:", initialZoom);
+    } catch (error) {
+      console.error("Error parsing map data attributes:", error);
+      console.log("Raw center data:", this.el.dataset.center);
+      console.log("Raw zoom data:", this.el.dataset.zoom);
+
+      // Fallback values
+      initialCenter = { lat: 39.8283, lng: -98.5795 };
+      initialZoom = 5;
+      console.log("Using fallback values:", initialCenter, initialZoom);
+    }
+
+    this.initializeMap(initialCenter, initialZoom);
+  },
+
+  initializeMap(initialCenter, initialZoom) {
     console.log("Initializing minimal map with center:", initialCenter, "and zoom:", initialZoom);
 
+    // Check element dimensions
+    const rect = this.el.getBoundingClientRect();
+    console.log("Map element dimensions:", rect);
+
+    // Validate element has dimensions
+    if (rect.width === 0 || rect.height === 0) {
+      console.warn("Map element has no dimensions, retrying...");
+      this.errors.push("Map element has zero dimensions");
+
+      if (this.initializationAttempts < this.maxInitializationAttempts) {
+        setTimeout(() => this.attemptInitialization(), 500);
+        return;
+      } else {
+        this.handleFatalError("Map element never gained proper dimensions");
+        return;
+      }
+    }
+
     // Initialize basic map
-    this.map = L.map(this.el, {
-      zoomControl: true,
-      attributionControl: true,
-      closePopupOnClick: true,
-    }).setView([initialCenter.lat, initialCenter.lng], initialZoom);
+    try {
+      this.map = L.map(this.el, {
+        zoomControl: true,
+        attributionControl: true,
+        closePopupOnClick: true,
+      }).setView([initialCenter.lat, initialCenter.lng], initialZoom);
+      console.log("Map initialized successfully");
+    } catch (error) {
+      console.error("Error initializing map:", error);
+      this.errors.push("Map initialization failed: " + error.message);
+
+      if (this.initializationAttempts < this.maxInitializationAttempts) {
+        setTimeout(() => this.attemptInitialization(), 1000);
+        return;
+      } else {
+        this.handleFatalError("Map initialization failed after multiple attempts");
+        return;
+      }
+    }
 
     // Add OpenStreetMap tile layer
-    L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
-      attribution:
-        '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors | APRS.me',
-      maxZoom: 19,
-    }).addTo(this.map);
+    try {
+      const tileLayer = L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+        attribution:
+          '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors | APRS.me',
+        maxZoom: 19,
+      });
+      tileLayer.addTo(this.map);
+      console.log("Tile layer added successfully");
+
+      // Listen for tile layer events
+      tileLayer.on("loading", () => console.log("Tiles loading..."));
+      tileLayer.on("load", () => console.log("Tiles loaded"));
+      tileLayer.on("tileerror", (e) => console.error("Tile error:", e));
+    } catch (error) {
+      console.error("Error adding tile layer:", error);
+      this.errors.push("Tile layer failed: " + error.message);
+    }
 
     // Store markers for management
     this.markers = new Map();
     this.markerLayer = L.layerGroup().addTo(this.map);
 
     // Force initial size calculation
-    this.map.invalidateSize();
+    try {
+      this.map.invalidateSize();
+      console.log("Map size invalidated");
+    } catch (error) {
+      console.error("Error invalidating map size:", error);
+    }
 
     // Track when map is ready
     this.map.whenReady(() => {
       console.log("Minimal map is ready");
-      this.pushEvent("map_ready", {});
-      this.sendBoundsToServer();
+      console.log("Map container size:", this.map.getSize());
+      console.log("Map zoom:", this.map.getZoom());
+      console.log("Map center:", this.map.getCenter());
+
+      try {
+        this.pushEvent("map_ready", {});
+        this.sendBoundsToServer();
+      } catch (error) {
+        console.error("Error in map ready callback:", error);
+      }
     });
 
     // Send bounds to LiveView when map moves
@@ -48,14 +174,67 @@ let MinimalAPRSMap = {
     });
 
     // Handle resize
-    window.addEventListener("resize", () => {
-      this.map.invalidateSize();
-    });
+    this.resizeHandler = () => {
+      console.log("Window resized, invalidating map size");
+      try {
+        if (this.map) {
+          this.map.invalidateSize();
+        }
+      } catch (error) {
+        console.error("Error invalidating map size on resize:", error);
+      }
+    };
+    window.addEventListener("resize", this.resizeHandler);
+
+    // Add a delayed size check
+    setTimeout(() => {
+      console.log("Delayed map size check");
+      const rect = this.el.getBoundingClientRect();
+      console.log("Map element dimensions after delay:", rect);
+      if (this.map) {
+        try {
+          this.map.invalidateSize();
+          console.log("Map size re-invalidated after delay");
+        } catch (error) {
+          console.error("Error re-invalidating map size:", error);
+        }
+      }
+    }, 1000);
 
     // LiveView event handlers
     this.setupLiveViewHandlers();
   },
 
+  handleFatalError(message) {
+    console.error("Fatal map error:", message);
+    console.error("All errors:", this.errors);
+
+    // Display error message to user
+    if (this.el) {
+      this.el.innerHTML = `
+        <div style="
+          display: flex;
+          justify-content: center;
+          align-items: center;
+          height: 100%;
+          background: #f8f9fa;
+          color: #721c24;
+          font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+          text-align: center;
+          padding: 20px;
+        ">
+          <div>
+            <h3 style="margin: 0 0 10px 0;">Map Loading Error</h3>
+            <p style="margin: 0; font-size: 14px;">${message}</p>
+            <p style="margin: 10px 0 0 0; font-size: 12px; color: #856404;">
+              Please refresh the page or check the browser console for details.
+            </p>
+          </div>
+        </div>
+      `;
+    }
+  },
+
   setupLiveViewHandlers() {
     // Add single marker
     this.handleEvent("add_marker", (data) => {
@@ -346,6 +525,11 @@ let MinimalAPRSMap = {
       clearTimeout(this.boundsTimer);
     }
 
+    // Clean up event listeners
+    if (this.resizeHandler) {
+      window.removeEventListener("resize", this.resizeHandler);
+    }
+
     // Clean up markers
     if (this.markerLayer) {
       this.markerLayer.clearLayers();
diff --git a/lib/aprs_web/controllers/page_controller.ex b/lib/aprs_web/controllers/page_controller.ex
index 15f76ca..968899c 100644
--- a/lib/aprs_web/controllers/page_controller.ex
+++ b/lib/aprs_web/controllers/page_controller.ex
@@ -86,6 +86,84 @@ defmodule AprsWeb.PageController do
     })
   end
 
+  def test_map(conn, _params) do
+    # Simple HTML test page for basic map functionality
+    html(conn, """
+    <!DOCTYPE html>
+    <html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <title>Map Test - APRS.me</title>
+        <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
+              integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin=""/>
+        <style>
+            body { margin: 0; padding: 0; font-family: Arial, sans-serif; }
+            #map { height: 100vh; width: 100%; }
+            .status { position: fixed; top: 10px; left: 10px; z-index: 1000; background: white; padding: 10px; border-radius: 5px; border: 1px solid #ccc; }
+        </style>
+    </head>
+    <body>
+        <div class="status">
+            <strong>Map Test</strong><br>
+            Status: <span id="status">Initializing...</span><br>
+            <button onclick="testMarker()">Add Test Marker</button><br>
+            <a href="/">← Back to Main Map</a>
+        </div>
+        <div id="map"></div>
+
+        <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
+                integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
+        <script>
+            let map;
+            let status = document.getElementById('status');
+
+            try {
+                status.textContent = 'Loading Leaflet...';
+
+                if (typeof L === 'undefined') {
+                    throw new Error('Leaflet not loaded');
+                }
+
+                status.textContent = 'Initializing map...';
+
+                map = L.map('map').setView([39.8283, -98.5795], 5);
+
+                L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
+                    attribution: '© OpenStreetMap contributors'
+                }).addTo(map);
+
+                status.textContent = 'Map loaded successfully!';
+                status.style.color = 'green';
+
+                // Add a default marker
+                L.marker([39.8283, -98.5795])
+                    .addTo(map)
+                    .bindPopup('Test marker - map is working!')
+                    .openPopup();
+
+            } catch (error) {
+                status.textContent = 'Error: ' + error.message;
+                status.style.color = 'red';
+                console.error('Map initialization error:', error);
+            }
+
+            function testMarker() {
+                if (map) {
+                    const lat = 39 + Math.random() * 10;
+                    const lng = -100 + Math.random() * 10;
+                    L.marker([lat, lng])
+                        .addTo(map)
+                        .bindPopup('Random test marker');
+                    status.textContent = 'Added marker at ' + lat.toFixed(2) + ', ' + lng.toFixed(2);
+                }
+            }
+        </script>
+    </body>
+    </html>
+    """)
+  end
+
   defp format_uptime(seconds) when seconds <= 0, do: "Not connected"
 
   defp format_uptime(seconds) do
diff --git a/lib/aprs_web/live/map_live/callsign_view.ex b/lib/aprs_web/live/map_live/callsign_view.ex
index e73f12b..7867bd6 100644
--- a/lib/aprs_web/live/map_live/callsign_view.ex
+++ b/lib/aprs_web/live/map_live/callsign_view.ex
@@ -13,6 +13,7 @@ defmodule AprsWeb.MapLive.CallsignView do
   def mount(%{"callsign" => callsign}, _session, socket) do
     # Normalize callsign to uppercase
     normalized_callsign = String.upcase(callsign)
+    IO.puts("CallsignView: Mounting for callsign #{normalized_callsign}")
 
     # Calculate one hour ago for packet age filtering
     one_hour_ago = DateTime.add(DateTime.utc_now(), -3600, :second)
@@ -33,6 +34,8 @@ defmodule AprsWeb.MapLive.CallsignView do
         },
         map_center: @default_center,
         map_zoom: @default_zoom,
+        default_center: @default_center,
+        default_zoom: @default_zoom,
         # Replay controls
         replay_active: false,
         replay_speed: @default_replay_speed,
@@ -57,10 +60,12 @@ defmodule AprsWeb.MapLive.CallsignView do
       )
 
     if connected?(socket) do
+      IO.puts("CallsignView: Socket connected, subscribing to messages")
       Endpoint.subscribe("aprs_messages")
 
       # Load recent packets for this callsign
       socket = load_callsign_packets(socket, normalized_callsign)
+      IO.puts("CallsignView: Loaded packets, map_center: #{inspect(socket.assigns.map_center)}")
 
       # Schedule regular cleanup of old packets from the map
       Process.send_after(self(), :cleanup_old_packets, 60_000)
@@ -69,6 +74,7 @@ defmodule AprsWeb.MapLive.CallsignView do
 
       {:ok, socket}
     else
+      IO.puts("CallsignView: Socket not connected")
       {:ok, socket}
     end
   end
@@ -137,13 +143,16 @@ defmodule AprsWeb.MapLive.CallsignView do
   end
 
   def handle_event("map_ready", _params, socket) do
+    IO.puts("CallsignView: Map ready event received")
     socket = assign(socket, map_ready: true)
 
     # Auto-start replay if it hasn't been started yet
     socket =
       if socket.assigns.replay_started do
+        IO.puts("CallsignView: Replay already started")
         socket
       else
+        IO.puts("CallsignView: Starting historical replay")
         socket = start_historical_replay(socket)
         assign(socket, replay_started: true, replay_active: true)
       end
@@ -152,13 +161,16 @@ defmodule AprsWeb.MapLive.CallsignView do
     socket =
       if socket.assigns.pending_geolocation do
         location = socket.assigns.pending_geolocation
+        IO.puts("CallsignView: Zooming to pending geolocation: #{inspect(location)}")
         push_event(socket, "zoom_to_location", %{lat: location.lat, lng: location.lng, zoom: 12})
       else
         # If we have a last known position, zoom to it
         if socket.assigns.last_known_position do
           pos = socket.assigns.last_known_position
+          IO.puts("CallsignView: Zooming to last known position: #{inspect(pos)}")
           push_event(socket, "zoom_to_location", %{lat: pos.lat, lng: pos.lng, zoom: 12})
         else
+          IO.puts("CallsignView: No position data to zoom to")
           socket
         end
       end
@@ -367,16 +379,31 @@ defmodule AprsWeb.MapLive.CallsignView do
 
     <style>
       #aprs-map {
-        position: absolute;
+        position: fixed;
         top: 0;
         left: 0;
         right: 0;
         bottom: 0;
-        width: 100%;
+        width: 100vw;
         height: 100vh;
         z-index: 1;
       }
 
+      /* Ensure the map container has a defined height */
+      .phx-main {
+        position: relative;
+        height: 100vh;
+        overflow: hidden;
+      }
+
+      /* Fix for potential layout issues */
+      body, html {
+        height: 100%;
+        margin: 0;
+        padding: 0;
+        overflow: hidden;
+      }
+
       .callsign-header {
         position: absolute;
         top: 10px;
@@ -607,8 +634,8 @@ defmodule AprsWeb.MapLive.CallsignView do
     <div
       id="aprs-map"
       phx-hook="APRSMap"
-      data-center={Jason.encode!(@map_center)}
-      data-zoom={@map_zoom}
+      data-center={Jason.encode!(@map_center || @default_center)}
+      data-zoom={@map_zoom || @default_zoom}
     >
     </div>
     """
@@ -813,6 +840,7 @@ defmodule AprsWeb.MapLive.CallsignView do
   defp load_callsign_packets(socket, callsign) do
     # Load recent packets (last hour) for this specific callsign
     recent_packets = Packets.get_recent_packets(%{callsign: callsign})
+    IO.puts("CallsignView: Found #{length(recent_packets)} recent packets for #{callsign}")
 
     # Find the most recent packet with position data for auto-zoom
     last_known_position =
@@ -822,11 +850,20 @@ defmodule AprsWeb.MapLive.CallsignView do
       |> List.first()
       |> case do
         nil ->
+          IO.puts("CallsignView: No packets with position data found")
           nil
 
         packet ->
           {lat, lng} = get_coordinates(packet)
-          if lat && lng, do: %{lat: lat, lng: lng}
+
+          if lat && lng do
+            position = %{lat: lat, lng: lng}
+            IO.puts("CallsignView: Last known position: #{inspect(position)}")
+            position
+          else
+            IO.puts("CallsignView: Could not extract coordinates from packet")
+            nil
+          end
       end
 
     # Convert packets to client-friendly format and send to map
@@ -837,11 +874,15 @@ defmodule AprsWeb.MapLive.CallsignView do
       |> Stream.filter(&(&1 != nil))
       |> Enum.to_list()
 
+    IO.puts("CallsignView: Converted #{length(packet_data_list)} packets to marker data")
+
     # Send packets to map if any exist
     socket =
       if length(packet_data_list) > 0 do
+        IO.puts("CallsignView: Sending markers to map")
         push_event(socket, "add_markers", %{markers: packet_data_list})
       else
+        IO.puts("CallsignView: No markers to send to map")
         socket
       end
 
diff --git a/lib/aprs_web/live/map_live/debug.ex b/lib/aprs_web/live/map_live/debug.ex
new file mode 100644
index 0000000..1406d5d
--- /dev/null
+++ b/lib/aprs_web/live/map_live/debug.ex
@@ -0,0 +1,273 @@
+defmodule AprsWeb.MapLive.Debug do
+  @moduledoc false
+  use AprsWeb, :live_view
+
+  @default_center %{lat: 39.8283, lng: -98.5795}
+  @default_zoom 5
+
+  def mount(_params, _session, socket) do
+    socket =
+      assign(socket,
+        page_title: "Map Debug",
+        map_center: @default_center,
+        map_zoom: @default_zoom,
+        debug_info: %{
+          leaflet_loaded: false,
+          map_initialized: false,
+          hook_mounted: false,
+          map_ready: false,
+          element_dimensions: nil,
+          errors: []
+        }
+      )
+
+    {:ok, socket}
+  end
+
+  def handle_event("debug_info", params, socket) do
+    debug_info = Map.merge(socket.assigns.debug_info, params)
+    {:noreply, assign(socket, debug_info: debug_info)}
+  end
+
+  def handle_event("map_ready", _params, socket) do
+    debug_info = Map.put(socket.assigns.debug_info, :map_ready, true)
+    {:noreply, assign(socket, debug_info: debug_info)}
+  end
+
+  def render(assigns) do
+    ~H"""
+    <link
+      rel="stylesheet"
+      href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
+      integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
+      crossorigin=""
+    />
+    <script
+      src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
+      integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
+      crossorigin=""
+    >
+    </script>
+
+    <style>
+      .debug-container {
+        display: flex;
+        height: 100vh;
+      }
+
+      .debug-panel {
+        width: 400px;
+        background: #f8f9fa;
+        border-right: 1px solid #dee2e6;
+        padding: 20px;
+        overflow-y: auto;
+        font-family: monospace;
+        font-size: 12px;
+      }
+
+      .map-container {
+        flex: 1;
+        position: relative;
+      }
+
+      #debug-map {
+        width: 100%;
+        height: 100%;
+      }
+
+      .status-item {
+        margin: 10px 0;
+        padding: 8px;
+        border-radius: 4px;
+        border: 1px solid #ccc;
+      }
+
+      .status-ok {
+        background: #d4edda;
+        border-color: #c3e6cb;
+        color: #155724;
+      }
+
+      .status-error {
+        background: #f8d7da;
+        border-color: #f5c6cb;
+        color: #721c24;
+      }
+
+      .status-pending {
+        background: #fff3cd;
+        border-color: #ffeaa7;
+        color: #856404;
+      }
+
+      .debug-title {
+        font-size: 16px;
+        font-weight: bold;
+        margin-bottom: 20px;
+        color: #333;
+      }
+
+      .test-button {
+        background: #007cba;
+        color: white;
+        border: none;
+        padding: 8px 16px;
+        border-radius: 4px;
+        cursor: pointer;
+        margin: 5px 5px 5px 0;
+        font-size: 12px;
+      }
+
+      .test-button:hover {
+        background: #005a87;
+      }
+    </style>
+
+    <div class="debug-container">
+      <div class="debug-panel">
+        <div class="debug-title">Map Debug Panel</div>
+
+        <div class="status-item">
+          <strong>Map Dimensions:</strong> <br />
+          <span id="dimensions-info">Checking...</span>
+        </div>
+
+        <div class={"status-item #{if @debug_info.leaflet_loaded, do: "status-ok", else: "status-pending"}"}>
+          <strong>Leaflet Library:</strong> <br />
+          {if @debug_info.leaflet_loaded, do: "✓ Loaded", else: "⏳ Loading..."}
+        </div>
+
+        <div class={"status-item #{if @debug_info.hook_mounted, do: "status-ok", else: "status-pending"}"}>
+          <strong>Phoenix Hook:</strong> <br />
+          {if @debug_info.hook_mounted, do: "✓ Mounted", else: "⏳ Waiting..."}
+        </div>
+
+        <div class={"status-item #{if @debug_info.map_initialized, do: "status-ok", else: "status-pending"}"}>
+          <strong>Map Initialization:</strong> <br />
+          {if @debug_info.map_initialized, do: "✓ Initialized", else: "⏳ Waiting..."}
+        </div>
+
+        <div class={"status-item #{if @debug_info.map_ready, do: "status-ok", else: "status-pending"}"}>
+          <strong>Map Ready:</strong> <br />
+          {if @debug_info.map_ready, do: "✓ Ready", else: "⏳ Waiting..."}
+        </div>
+
+        <%= if length(@debug_info.errors) > 0 do %>
+          <div class="status-item status-error">
+            <strong>Errors:</strong>
+            <br />
+            <%= for error <- @debug_info.errors do %>
+              • {error}<br />
+            <% end %>
+          </div>
+        <% end %>
+
+        <div class="status-item">
+          <strong>Test Actions:</strong> <br />
+          <button class="test-button" onclick="testLeaflet()">Test Leaflet</button>
+          <button class="test-button" onclick="testMapSize()">Test Map Size</button>
+          <button class="test-button" onclick="addTestMarker()">Add Marker</button>
+          <button class="test-button" onclick="clearConsole()">Clear Console</button>
+        </div>
+
+        <div class="status-item">
+          <strong>Console Output:</strong>
+          <br />
+          <div
+            id="console-output"
+            style="height: 200px; overflow-y: auto; background: white; padding: 10px; border: 1px solid #ccc; font-size: 10px;"
+          >
+          </div>
+        </div>
+
+        <div class="status-item">
+          <strong>Instructions:</strong>
+          <br /> 1. Open browser dev tools (F12)<br /> 2. Check Console tab for errors<br />
+          3. Watch this panel for status updates<br /> 4. Use test buttons to debug issues
+        </div>
+      </div>
+
+      <div class="map-container">
+        <div
+          id="debug-map"
+          phx-hook="DebugMap"
+          data-center={Jason.encode!(@map_center)}
+          data-zoom={@map_zoom}
+        >
+        </div>
+      </div>
+    </div>
+
+    <script>
+      // Capture console output
+      const originalLog = console.log;
+      const originalError = console.error;
+      const originalWarn = console.warn;
+
+      function addToConsoleOutput(message, type = 'log') {
+        const output = document.getElementById('console-output');
+        if (output) {
+          const timestamp = new Date().toLocaleTimeString();
+          const color = type === 'error' ? 'red' : type === 'warn' ? 'orange' : 'black';
+          output.innerHTML += `<div style="color: ${color};">[${timestamp}] ${message}</div>`;
+          output.scrollTop = output.scrollHeight;
+        }
+      }
+
+      console.log = function(...args) {
+        originalLog.apply(console, args);
+        addToConsoleOutput(args.join(' '), 'log');
+      };
+
+      console.error = function(...args) {
+        originalError.apply(console, args);
+        addToConsoleOutput(args.join(' '), 'error');
+      };
+
+      console.warn = function(...args) {
+        originalWarn.apply(console, args);
+        addToConsoleOutput(args.join(' '), 'warn');
+      };
+
+      function testLeaflet() {
+        if (typeof L !== 'undefined') {
+          console.log('✓ Leaflet is available, version:', L.version);
+          window.liveSocket.pushEvent('debug_info', {leaflet_loaded: true});
+        } else {
+          console.error('✗ Leaflet is not available');
+          window.liveSocket.pushEvent('debug_info', {leaflet_loaded: false, errors: ['Leaflet not loaded']});
+        }
+      }
+
+      function testMapSize() {
+        const mapEl = document.getElementById('debug-map');
+        if (mapEl) {
+          const rect = mapEl.getBoundingClientRect();
+          console.log('Map element dimensions:', rect);
+          document.getElementById('dimensions-info').textContent =
+            `${rect.width}x${rect.height} (${rect.left},${rect.top})`;
+        }
+      }
+
+      function addTestMarker() {
+        if (window.debugMapInstance) {
+          const marker = L.marker([39.8283, -98.5795])
+            .addTo(window.debugMapInstance)
+            .bindPopup('Test Marker');
+          console.log('✓ Test marker added');
+        } else {
+          console.error('✗ No map instance available');
+        }
+      }
+
+      function clearConsole() {
+        document.getElementById('console-output').innerHTML = '';
+      }
+
+      // Test Leaflet availability when page loads
+      setTimeout(testLeaflet, 1000);
+      setTimeout(testMapSize, 1000);
+    </script>
+    """
+  end
+end
diff --git a/lib/aprs_web/router.ex b/lib/aprs_web/router.ex
index 12e9015..c79b3dc 100644
--- a/lib/aprs_web/router.ex
+++ b/lib/aprs_web/router.ex
@@ -31,6 +31,8 @@ defmodule AprsWeb.Router do
     live "/enhanced", MapLive.Enhanced, :index
     get "/old", PageController, :map
     live "/status", StatusLive.Index, :index
+    live "/debug_map", MapLive.Debug, :index
+    get "/test_map", PageController, :test_map
 
     live "/packets", PacketsLive.Index, :index
     live "/:callsign", MapLive.CallsignView, :index