From ffb8ee87898bffe5fee706abb047133585bb5d0d Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Fri, 12 Dec 2025 18:23:46 +0100
Subject: feat: enhance OTP service logic, improve planner overlay, and update
 NavBar styles

---
 src/Costasdev.Busurbano.Backend/Services/OtpService.cs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/Costasdev.Busurbano.Backend/Services/OtpService.cs')

diff --git a/src/Costasdev.Busurbano.Backend/Services/OtpService.cs b/src/Costasdev.Busurbano.Backend/Services/OtpService.cs
index 82c43e0..87895d3 100644
--- a/src/Costasdev.Busurbano.Backend/Services/OtpService.cs
+++ b/src/Costasdev.Busurbano.Backend/Services/OtpService.cs
@@ -161,13 +161,24 @@ public class OtpService
 
         int cardTicketsRequired = 0;
         DateTime? lastTicketPurchased = null;
+        int tripsPaidWithTicket = 0;
 
         foreach (var leg in busLegs)
         {
-            if (lastTicketPurchased == null || (leg.StartTime - lastTicketPurchased.Value).TotalMinutes > 45)
+            // If no ticket purchased, ticket expired (no free transfers after 45 mins), or max trips with ticket reached
+            if (
+                lastTicketPurchased == null ||
+                (leg.StartTime - lastTicketPurchased.Value).TotalMinutes > 45 ||
+                tripsPaidWithTicket >= 3
+            )
             {
                 cardTicketsRequired++;
                 lastTicketPurchased = leg.StartTime;
+                tripsPaidWithTicket = 1;
+            }
+            else
+            {
+                tripsPaidWithTicket++;
             }
         }
 
-- 
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