1 files changed, 40 insertions, 0 deletions
diff --git a/src/Enmarcha.Sources.Tussa/SantiagoRealtimeEstimatesProvider.cs b/src/Enmarcha.Sources.Tussa/SantiagoRealtimeEstimatesProvider.cs
new file mode 100644
index 0000000..7437a05
--- /dev/null
+++ b/src/Enmarcha.Sources.Tussa/SantiagoRealtimeEstimatesProvider.cs
@@ -0,0 +1,40 @@
+using System.Net.Http.Json;
+
+namespace Enmarcha.Sources.Tussa;
+
+public class SantiagoRealtimeEstimatesProvider
+{
+    private HttpClient _http;
+
+    public SantiagoRealtimeEstimatesProvider(HttpClient http)
+    {
+        _http = http;
+    }
+
+    public async Task<List<SantiagoEstimate>> GetEstimatesForStop(int stopId)
+    {
+        var url = GetRequestUrl(stopId.ToString());
+
+        var response = await _http.GetAsync(url);
+        var maisbusResponse = await response.Content.ReadFromJsonAsync<MaisbusResponse>();
+
+        if (maisbusResponse is null)
+        {
+            var responseString = await response.Content.ReadAsStringAsync();
+            throw new Exception("Error parsing maisbus response: " + responseString);
+        }
+
+        return maisbusResponse.Routes.Select(r => new SantiagoEstimate
+        (
+            r.Id.ToString(),
+            r.MinutesToArrive
+        )).OrderBy(a => a.Minutes).ToList();
+    }
+
+    private static string GetRequestUrl(string stopId)
+    {
+        return $"https://tussa.gal/maisbus/api/stop/{stopId}";
+    }
+}
+
+public record SantiagoEstimate(string RouteId, int Minutes);