Ajoute l Elo et les statistiques de parties

ChessCubing.App/Services/MatchStatsService.cs

@@ -0,0 +1,77 @@
+using System.Net;
+using System.Net.Http.Json;
+using ChessCubing.App.Models;
+using ChessCubing.App.Models.Stats;
+
+namespace ChessCubing.App.Services;
+
+public sealed class MatchStatsService(HttpClient httpClient)
+{
+    private readonly HttpClient _httpClient = httpClient;
+
+    public async Task<bool> TryReportCompletedMatchAsync(MatchState? match, CancellationToken cancellationToken = default)
+    {
+        if (match is null || string.IsNullOrWhiteSpace(match.Result) || match.ResultRecordedUtc is not null)
+        {
+            return false;
+        }
+
+        if (string.IsNullOrWhiteSpace(match.WhiteSubject) && string.IsNullOrWhiteSpace(match.BlackSubject))
+        {
+            return false;
+        }
+
+        var request = BuildReport(match);
+
+        try
+        {
+            var response = await _httpClient.PostAsJsonAsync("api/users/me/stats/matches", request, cancellationToken);
+            if (response.StatusCode is HttpStatusCode.Unauthorized or HttpStatusCode.Forbidden)
+            {
+                return false;
+            }
+
+            if (!response.IsSuccessStatusCode)
+            {
+                return false;
+            }
+
+            match.ResultRecordedUtc = DateTime.UtcNow;
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static ReportCompletedMatchRequest BuildReport(MatchState match)
+        => new()
+        {
+            MatchId = string.IsNullOrWhiteSpace(match.MatchId) ? Guid.NewGuid().ToString("N") : match.MatchId,
+            CollaborationSessionId = match.CollaborationSessionId,
+            WhiteSubject = NormalizeOptional(match.WhiteSubject),
+            WhiteName = MatchEngine.PlayerName(match, MatchEngine.ColorWhite),
+            BlackSubject = NormalizeOptional(match.BlackSubject),
+            BlackName = MatchEngine.PlayerName(match, MatchEngine.ColorBlack),
+            Result = match.Result ?? string.Empty,
+            Mode = match.Config.Mode,
+            Preset = match.Config.Preset,
+            MatchLabel = MatchEngine.SanitizeText(match.Config.MatchLabel),
+            BlockNumber = Math.Max(1, match.BlockNumber),
+            WhiteMoves = Math.Max(0, match.Moves.White),
+            BlackMoves = Math.Max(0, match.Moves.Black),
+            CubeRounds = match.Cube.History
+                .Select(entry => new ReportCompletedCubeRound
+                {
+                    BlockNumber = Math.Max(1, entry.BlockNumber),
+                    Number = entry.Number,
+                    White = entry.White,
+                    Black = entry.Black,
+                })
+                .ToArray(),
+        };
+
+    private static string? NormalizeOptional(string? value)
+        => string.IsNullOrWhiteSpace(value) ? null : value.Trim();
+}