From a187bcf97de6d043cb663dd973c83cc887665d3a Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Wed, 11 Feb 2026 16:10:03 +0100
Subject: feat: Update OpenTelemetry package versions and enhance route color
 handling in OtpService

Closes #132
---
 Directory.Packages.props                    |  8 +++----
 src/Enmarcha.Backend/Services/OtpService.cs | 33 +++++++++++++++++++++++++----
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/Directory.Packages.props b/Directory.Packages.props
index 9bf5796..3ded0a5 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -21,9 +21,9 @@
       <PackageVersion Include="CsvHelper" Version="33.1.0" />
       <PackageVersion Include="FuzzySharp" Version="2.0.2" />
 
-      <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.11.1" />
-      <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.11.0" />
-      <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.11.0" />
-      <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.11.1" />
+      <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.15" />
+      <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.15.0" />
+      <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.15.0" />
+      <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.0" />
   </ItemGroup>
 </Project>
diff --git a/src/Enmarcha.Backend/Services/OtpService.cs b/src/Enmarcha.Backend/Services/OtpService.cs
index 1484583..07c4d81 100644
--- a/src/Enmarcha.Backend/Services/OtpService.cs
+++ b/src/Enmarcha.Backend/Services/OtpService.cs
@@ -35,13 +35,25 @@ public class OtpService
     public RouteDto MapRoute(RoutesListResponse.RouteItem route)
     {
         var feedId = route.GtfsId.Split(':')[0];
+        var color = route.Color;
+        if (!string.IsNullOrWhiteSpace(color))
+        {
+            if (!color.StartsWith("#")) color = "#" + color;
+        }
+
+        if (string.IsNullOrWhiteSpace(color) || color.Length != 7)
+        {
+            (color, _) = _feedService.GetFallbackColourForFeed(feedId);
+        }
+
+        var textColor = ContrastHelper.GetBestTextColour(color.TrimStart('#'));
         return new RouteDto
         {
             Id = route.GtfsId,
             ShortName = _feedService.NormalizeRouteShortName(feedId, route.ShortName ?? string.Empty),
             LongName = route.LongName,
-            Color = route.Color,
-            TextColor = route.TextColor,
+            Color = color,
+            TextColor = textColor,
             SortOrder = route.SortOrder,
             AgencyName = route.Agency?.Name,
             TripCount = route.Patterns.Sum(p => p.TripsForDate.Count)
@@ -51,12 +63,25 @@ public class OtpService
     public RouteDetailsDto MapRouteDetails(RouteDetailsResponse.RouteItem route)
     {
         var feedId = route.GtfsId?.Split(':')[0] ?? "unknown";
+        var color = route.Color;
+        if (!string.IsNullOrWhiteSpace(color))
+        {
+            if (!color.StartsWith("#")) color = "#" + color;
+        }
+
+        if (string.IsNullOrWhiteSpace(color) || color.Length != 7)
+        {
+            (color, _) = _feedService.GetFallbackColourForFeed(feedId);
+        }
+
+        var textColor = ContrastHelper.GetBestTextColour(color.TrimStart('#'));
+
         return new RouteDetailsDto
         {
             ShortName = _feedService.NormalizeRouteShortName(feedId, route.ShortName ?? string.Empty),
             LongName = route.LongName,
-            Color = route.Color,
-            TextColor = route.TextColor,
+            Color = color,
+            TextColor = textColor,
             AgencyName = route.Agency?.Name,
             Patterns = route.Patterns.Select(p => MapPattern(p, feedId)).ToList()
         };
-- 
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