Rework admin player table and account deletion

Endpoints/AdminEndpoints.cs

@@ -42,9 +42,13 @@ public static class AdminEndpoints
 
             var voters = await db.Players
                 .AsNoTracking()
-                .Where(p => p.CurrentPhase == Phase.Vote || p.Suggestions.Any())
                 .OrderBy(p => p.DisplayName ?? p.Username)
-                .Select(p => new VoteStatusDto(p.Id, p.DisplayName ?? p.Username, p.VotesFinal, p.HasJoker))
+                .Select(p => new VoteStatusDto(p.Id,
+                                               p.DisplayName ?? p.Username,
+                                               p.Username,
+                                               p.CurrentPhase,
+                                               p.VotesFinal,
+                                               p.HasJoker))
                 .ToListAsync();
 
             var waiting = voters.Where(v => !v.Finalized).Select(v => v.Name).ToList();
@@ -69,6 +73,41 @@ public static class AdminEndpoints
             return Results.Ok(new { player.Id, player.HasJoker });
         });
 
+        admin.MapDelete("/players/{playerId:guid}", async (Guid playerId, HttpContext ctx, AppDbContext db, IConfiguration config) =>
+        {
+            if (!await EndpointHelpers.IsAdmin(ctx, db, config)) return Results.Unauthorized();
+
+            var player = await db.Players
+                .Include(p => p.Suggestions)
+                .FirstOrDefaultAsync(p => p.Id == playerId);
+            if (player is null) return Results.NotFound(new { error = "Player not found." });
+
+            await using var tx = await db.Database.BeginTransactionAsync();
+
+            // Remove votes cast by the player
+            await db.Votes.Where(v => v.PlayerId == playerId).ExecuteDeleteAsync();
+
+            // Collect suggestions authored by the player
+            var suggestionIds = player.Suggestions.Select(s => s.Id).ToList();
+            if (suggestionIds.Count > 0)
+            {
+                // Break links pointing to these suggestions
+                await db.Suggestions
+                    .Where(s => s.ParentSuggestionId != null && suggestionIds.Contains(s.ParentSuggestionId.Value))
+                    .ExecuteUpdateAsync(s => s.SetProperty(x => x.ParentSuggestionId, (int?)null));
+
+                // Remove votes for these suggestions to avoid orphaned rows
+                await db.Votes.Where(v => suggestionIds.Contains(v.SuggestionId)).ExecuteDeleteAsync();
+            }
+
+            // Delete player (cascades suggestions)
+            db.Players.Remove(player);
+            await db.SaveChangesAsync();
+            await tx.CommitAsync();
+
+            return Results.Ok(new { DeletedPlayerId = playerId });
+        });
+
         admin.MapPost("/link-suggestions", async ([FromBody] LinkSuggestionsRequest request, HttpContext ctx, AppDbContext db, IConfiguration config) =>
         {
             var player = await EndpointHelpers.GetAuthenticatedPlayer(ctx, db);