Feat: bot ends game to the stats

llmapi/stats.go

@@ -0,0 +1,70 @@
+package llmapi
+
+import (
+	"context"
+	"gralias/models"
+	"log/slog"
+	"os"
+)
+
+var log *slog.Logger
+
+func init() {
+	log = slog.New(slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{
+		Level:     slog.LevelDebug,
+		AddSource: true,
+	}))
+}
+
+// updateStatsOnGameOver updates stats for all players in a room when a game ends.
+func updateStatsOnGameOver(ctx context.Context, room *models.Room) {
+	// Get all players in the room
+	players, err := repo.PlayerListByRoom(ctx, room.ID)
+	if err != nil {
+		log.Error("failed to list players by room for stats update", "room_id", room.ID, "error", err)
+		return
+	}
+
+	for _, player := range players {
+		if player.IsBot {
+			continue
+		}
+
+		stats, err := repo.GetPlayerStats(ctx, player.Username)
+		if err != nil {
+			log.Error("failed to get player stats for game over update", "username", player.Username, "error", err)
+			continue
+		}
+
+		stats.GamesPlayed++
+		if player.Team == room.TeamWon {
+			stats.GamesWon++
+		} else {
+			stats.GamesLost++
+		}
+
+		if player.Role == models.UserRoleMime {
+			stats.PlayedAsMime++
+			if stats.PlayedAsMime > 0 {
+				gamesWonAsMime := stats.MimeWinrate * float64(stats.PlayedAsMime-1)
+				if player.Team == room.TeamWon {
+					gamesWonAsMime++
+				}
+				stats.MimeWinrate = gamesWonAsMime / float64(stats.PlayedAsMime)
+			}
+		} else if player.Role == models.UserRoleGuesser {
+			stats.PlayedAsGuesser++
+			if stats.PlayedAsGuesser > 0 {
+				gamesWonAsGuesser := stats.GuesserWinrate * float64(stats.PlayedAsGuesser-1)
+				if player.Team == room.TeamWon {
+					gamesWonAsGuesser++
+				}
+				stats.GuesserWinrate = gamesWonAsGuesser / float64(stats.PlayedAsGuesser)
+			}
+		}
+
+		if err := repo.UpdatePlayerStats(ctx, stats); err != nil {
+			log.Error("failed to update player stats on game over", "username", player.Username, "error", err)
+		}
+	}
+}