feat: improve admin observability and translation-first summaries

JobTrackerApi/Controllers/AdminSystemController.cs

@@ -1,4 +1,5 @@
 using System.Reflection;
+using System.Runtime.InteropServices;
 using JobTrackerApi.Data;
 using JobTrackerApi.Services;
 using Microsoft.AspNetCore.Authorization;
@@ -29,6 +30,9 @@ public sealed class AdminSystemController : ControllerBase
 
     public sealed record StorageStatusDto(string DataRoot, string DbPath, bool DbExists, long? DbSizeBytes, int CompanyCount, int JobCount, int DeletedCount);
     public sealed record EmailStatusDto(bool Enabled, string? Host, int Port, bool EnableSsl, string? From, string? FromName);
+    public sealed record DatabaseStatusDto(string Provider, bool LooksConfigured, bool CanConnect, string? Target, bool UsesFileStorage, string? Warning);
+    public sealed record RuntimeStatusDto(string Framework, string OSDescription, string ProcessArchitecture, string? MachineName);
+    public sealed record AuthStatusDto(bool Required, bool HasJwtKey, bool GoogleConfigured, bool GmailConfigured);
     public sealed record SystemStatusDto(
         string Environment,
         string ContentRoot,
@@ -37,6 +41,9 @@ public sealed class AdminSystemController : ControllerBase
         string? BuildStamp,
         StorageStatusDto Storage,
         EmailStatusDto Email,
+        DatabaseStatusDto Database,
+        RuntimeStatusDto Runtime,
+        AuthStatusDto Auth,
         SummarizerMetrics Summarizer
     );
 
@@ -65,6 +72,8 @@ public sealed class AdminSystemController : ControllerBase
     [HttpGet]
     public async Task<ActionResult<SystemStatusDto>> Get(CancellationToken cancellationToken)
     {
+        var provider = (_cfg["Database:Provider"] ?? "sqlite").Trim().ToLowerInvariant();
+        var usesFileStorage = provider is not "mysql" and not "mariadb";
         var dbPath = _paths.GetDbPath();
         var dbFile = new FileInfo(dbPath);
 
@@ -80,6 +89,53 @@ public sealed class AdminSystemController : ControllerBase
 
         var commitSha = NormalizeBuildMetadata(_cfg["App:CommitSha"]);
         var buildStamp = NormalizeBuildMetadata(_cfg["App:BuildStamp"]);
+        var connectionString = _cfg.GetConnectionString("JobTracker") ?? string.Empty;
+        var looksConfigured = !string.IsNullOrWhiteSpace(connectionString) || usesFileStorage;
+
+        string? dbTarget;
+        if (usesFileStorage)
+        {
+            dbTarget = dbPath;
+        }
+        else if (string.IsNullOrWhiteSpace(connectionString))
+        {
+            dbTarget = null;
+        }
+        else
+        {
+            dbTarget = connectionString.Split(';', StringSplitOptions.RemoveEmptyEntries)
+                .Select(part => part.Trim())
+                .FirstOrDefault(part => part.StartsWith("server=", StringComparison.OrdinalIgnoreCase)
+                    || part.StartsWith("host=", StringComparison.OrdinalIgnoreCase)
+                    || part.StartsWith("database=", StringComparison.OrdinalIgnoreCase));
+        }
+
+        bool canConnect;
+        try
+        {
+            canConnect = await _db.Database.CanConnectAsync(cancellationToken);
+        }
+        catch
+        {
+            canConnect = false;
+        }
+
+        string? dbWarning = null;
+        if (!looksConfigured)
+        {
+            dbWarning = "Connection string is missing.";
+        }
+        else if (!canConnect)
+        {
+            dbWarning = "Database connection failed.";
+        }
+        else if (!usesFileStorage && jobs.Count == 0 && companies == 0)
+        {
+            dbWarning = "Connected, but no data is present yet. Check whether this is the intended production database.";
+        }
+
+        var gmailConfigured = !string.IsNullOrWhiteSpace((_cfg["Google:GmailClientSecret"] ?? string.Empty).Trim())
+            && !string.IsNullOrWhiteSpace((_cfg["Google:GmailRedirectUri"] ?? string.Empty).Trim());
 
         return Ok(new SystemStatusDto(
             Environment: _env.EnvironmentName,
@@ -104,6 +160,26 @@ public sealed class AdminSystemController : ControllerBase
                 From: (_cfg["Email:From"] ?? string.Empty).Trim(),
                 FromName: (_cfg["Email:FromName"] ?? string.Empty).Trim()
             ),
+            Database: new DatabaseStatusDto(
+                Provider: provider,
+                LooksConfigured: looksConfigured,
+                CanConnect: canConnect,
+                Target: dbTarget,
+                UsesFileStorage: usesFileStorage,
+                Warning: dbWarning
+            ),
+            Runtime: new RuntimeStatusDto(
+                Framework: RuntimeInformation.FrameworkDescription,
+                OSDescription: RuntimeInformation.OSDescription,
+                ProcessArchitecture: RuntimeInformation.ProcessArchitecture.ToString(),
+                MachineName: Environment.MachineName
+            ),
+            Auth: new AuthStatusDto(
+                Required: _cfg.GetValue("Auth:Require", false),
+                HasJwtKey: !string.IsNullOrWhiteSpace((_cfg["Auth:JwtKey"] ?? string.Empty).Trim()),
+                GoogleConfigured: !string.IsNullOrWhiteSpace((_cfg["Auth:GoogleClientId"] ?? string.Empty).Trim()),
+                GmailConfigured: gmailConfigured
+            ),
             Summarizer: summarizer
         ));
     }