Print some sort of statistics when running as cli

main.go

@@ -41,14 +41,89 @@ func main() {
 	}
 
 	logger.Info("Querying fits")
-	params := QueryParams{}
+	params := QueryParams{
+		Ship: 32872,
+		Modules: []int64{2456},
+		Groups: []int64{325},
+	}
 	stats, err := db.QueryFits(params)
 	if err != nil {
 		logger.Error("Failed to query fits: %v", err)
 		return
 	}
 	logger.Info("Total killmails: %d", stats.TotalKillmails)
-	logger.Dump("Statistics", stats)
+
+	// Utility function for sorting and printing top N entries by percentage.
+	printTopN := func(title string, statsMap interface{}, n int) {
+		type statItem struct {
+			ID         int64
+			Percentage float64
+			Count      int64
+			Name       string
+		}
+		list := []statItem{}
+
+		var ids32 []int32
+		switch m := statsMap.(type) {
+		case map[int64]SystemStats:
+			for id, v := range m {
+				list = append(list, statItem{ID: id, Percentage: v.Percentage, Count: v.Count})
+				ids32 = append(ids32, int32(id))
+			}
+		case map[int32]ModuleStats:
+			for id, v := range m {
+				list = append(list, statItem{ID: int64(id), Percentage: v.Percentage, Count: v.Count})
+				ids32 = append(ids32, id)
+			}
+		default:
+			logger.Warning("Unknown statistic map: %T", statsMap)
+			return
+		}
+
+		// Fetch names for every ID using GetItemNames (works for both items and systems)
+		idToName := make(map[string]string)
+		if len(ids32) > 0 {
+			names, err := db.GetItemNames(ids32)
+			if err == nil {
+				idToName = names
+			}
+			for i := range list {
+				if name, ok := idToName[fmt.Sprintf("%d", list[i].ID)]; ok {
+					list[i].Name = name
+				}
+			}
+		}
+
+		// Sort descending by percentage
+		for i := 0; i < len(list); i++ {
+			for j := i + 1; j < len(list); j++ {
+				if list[j].Percentage > list[i].Percentage {
+					list[i], list[j] = list[j], list[i]
+				}
+			}
+		}
+
+		if len(list) > n {
+			list = list[:n]
+		}
+
+		logger.Info("Top %d %s:", len(list), title)
+		for _, s := range list {
+			row := fmt.Sprintf("  ID %d: %.2f%% (%d)", s.ID, s.Percentage, s.Count)
+			if s.Name != "" {
+				row = fmt.Sprintf("  %s [ID %d]: %.2f%% (%d)", s.Name, s.ID, s.Percentage, s.Count)
+			}
+			logger.Info(row)
+		}
+	}
+
+	printTopN("Ships", stats.ShipBreakdown, 10)
+	printTopN("Systems", stats.SystemBreakdown, 10)
+	printTopN("High Slot Modules", stats.HighSlotModules, 10)
+	printTopN("Mid Slot Modules", stats.MidSlotModules, 10)
+	printTopN("Low Slot Modules", stats.LowSlotModules, 10)
+	printTopN("Rigs", stats.Rigs, 10)
+	printTopN("Drones", stats.Drones, 10)
 }
 
 func DoIngest() {