refactor: allow simulator to connect to api through auth

VigilCare.Simulator/Client/Models/LoginModels.cs

@@ -0,0 +1,9 @@
+public record SimLoginRequest(string Username, string Password);
+
+public record SimLoginResponse(
+    string AccessToken,
+    DateTimeOffset ExpiresAt,
+    Guid UserId,
+    string Username,
+    string DisplayName,
+    string Role);

VigilCare.Simulator/Client/VigilCareApiClient.cs

@@ -1,3 +1,4 @@
+using System.Net.Http.Headers;
 using System.Net.Http.Json;
 
 public class VigilCareApiClient
@@ -9,6 +10,23 @@ public class VigilCareApiClient
         _http = http;
     }
 
+    public async Task LoginAsync(string username, string password)
+    {
+        var response = await _http.PostAsJsonAsync("/api/v1/auth/login",
+            new SimLoginRequest(username, password));
+
+        if (!response.IsSuccessStatusCode)
+        {
+            var body = await response.Content.ReadAsStringAsync();
+            throw new HttpRequestException(
+                $"Login failed ({(int)response.StatusCode} {response.StatusCode}): {body}");
+        }
+
+        var envelope = await response.Content.ReadFromJsonAsync<ApiResponse<SimLoginResponse>>();
+        var token = envelope!.Data!.AccessToken;
+        _http.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
+    }
+
     public async Task<PatientResponse> RegisterPatientAsync(RegisterPatientRequest req)
     {
         var response = await _http.PostAsJsonAsync("/api/v1/patients", req);

VigilCare.Simulator/Commands/ReplayAllCommand.cs

@@ -7,13 +7,16 @@ public static class ReplayAllCommand
         var dirArg = new Argument<DirectoryInfo>("directory", "Directory containing scenario JSON files");
         var speedOpt = new Option<double>("--speed", () => 60);
         var baseUrlOpt = new Option<string>("--base-url", () => "http://localhost:5270");
+        var usernameOpt = new Option<string>("--username", () => "physician.demo", "API login username");
+        var passwordOpt = new Option<string>("--password", () => "DemoPhysician1!", "API login password");
 
         var command = new Command("replay-all", "Replay all scenarios in a directory")
         {
-            dirArg, speedOpt, baseUrlOpt
+            dirArg, speedOpt, baseUrlOpt, usernameOpt, passwordOpt
         };
 
-        command.SetHandler(async (DirectoryInfo dir, double speed, string baseUrl) =>
+        command.SetHandler(async (DirectoryInfo dir, double speed, string baseUrl,
+            string username, string password) =>
         {
             var files = dir.GetFiles("*.json")
                 .Where(f => f.Name != "schema.json")
@@ -30,6 +33,11 @@ public static class ReplayAllCommand
 
             using var http = new HttpClient { BaseAddress = new Uri(baseUrl) };
             var client = new VigilCareApiClient(http);
+
+            SimulatorConsole.Info($"Authenticating as {username}...");
+            await client.LoginAsync(username, password);
+            SimulatorConsole.Info("Authenticated.");
+
             var engine = new ReplayEngine(client, poller: null);
             var results = new List<ReplayResult>();
 
@@ -49,7 +57,7 @@ public static class ReplayAllCommand
             }
 
             SimulatorConsole.BatchSummary(results);
-        }, dirArg, speedOpt, baseUrlOpt);
+        }, dirArg, speedOpt, baseUrlOpt, usernameOpt, passwordOpt);
 
         return command;
     }

VigilCare.Simulator/Commands/ReplayCommand.cs

@@ -9,13 +9,16 @@ public static class ReplayCommand
         var baseUrlOpt = new Option<string>("--base-url", () => "http://localhost:5270");
         var pollOpt = new Option<bool>("--poll", () => false, "Poll alerts/scores after each cluster");
         var pollIntervalOpt = new Option<int>("--poll-interval", () => 5, "Seconds between polls");
+        var usernameOpt = new Option<string>("--username", () => "physician.demo", "API login username");
+        var passwordOpt = new Option<string>("--password", () => "DemoPhysician1!", "API login password");
 
         var command = new Command("replay", "Replay a scenario against the API")
         {
-            fileArg, speedOpt, baseUrlOpt, pollOpt, pollIntervalOpt
+            fileArg, speedOpt, baseUrlOpt, pollOpt, pollIntervalOpt, usernameOpt, passwordOpt
         };
 
-        command.SetHandler(async (FileInfo file, double speed, string baseUrl, bool poll, int pollInterval) =>
+        command.SetHandler(async (FileInfo file, double speed, string baseUrl, bool poll, int pollInterval,
+            string username, string password) =>
         {
             var scenario = ScenarioLoader.Load(file.FullName);
             var errors = ScenarioValidator.Validate(scenario);
@@ -28,12 +31,17 @@ public static class ReplayCommand
 
             using var http = new HttpClient { BaseAddress = new Uri(baseUrl) };
             var client = new VigilCareApiClient(http);
+
+            SimulatorConsole.Info($"Authenticating as {username}...");
+            await client.LoginAsync(username, password);
+            SimulatorConsole.Info("Authenticated.");
+
             var poller = poll ? new ApiPoller(client) : null;
             var engine = new ReplayEngine(client, poller);
             var options = new ReplayOptions(speed, poll, pollInterval);
 
             await engine.RunAsync(scenario, options);
-        }, fileArg, speedOpt, baseUrlOpt, pollOpt, pollIntervalOpt);
+        }, fileArg, speedOpt, baseUrlOpt, pollOpt, pollIntervalOpt, usernameOpt, passwordOpt);
 
         return command;
     }