v0.3.8

scripts/historymetrics/main.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+
+	"cursor/internal/appdata"
+	"cursor/internal/historymetrics"
+)
+
+func main() {
+	flags := flag.NewFlagSet("historymetrics", flag.ExitOnError)
+	usagePath := flags.String("usage", appdata.UsageFilePath(), "usage JSON file to read")
+	if err := flags.Parse(os.Args[1:]); err != nil {
+		exitf(err.Error())
+	}
+
+	if flags.NArg() > 0 {
+		exitf("positional history scan targets are no longer supported; usage totals come from history/usage.json")
+	}
+
+	summary, err := historymetrics.LoadUsageSummary(*usagePath)
+	if err != nil {
+		exitf(err.Error())
+	}
+
+	fmt.Printf("Usage JSON file: %s\n\n", strings.TrimSpace(*usagePath))
+
+	fmt.Println("Overall")
+	fmt.Printf("- Provider calls total: %s\n", formatNumber(int64(summary.ProviderCallsTotal)))
+	fmt.Printf("- Turns total: %s\n", formatNumber(int64(summary.TurnsTotal)))
+	fmt.Printf("- Cache hit rate: %s\n", formatPercent(summary.CacheHitRate))
+	fmt.Printf("- Cache read tokens: %s\n", formatNumber(summary.CacheReadTokens))
+	fmt.Printf("- Cache write tokens: %s\n", formatNumber(summary.CacheWriteTokens))
+	fmt.Printf("- Prompt tokens total: %s\n", formatNumber(summary.PromptTokensTotal))
+	fmt.Printf("- Request tokens total: %s\n", formatNumber(summary.RequestTokensTotal))
+}
+
+func exitf(message string) {
+	fmt.Fprintf(os.Stderr, "historymetrics failed: %s\n", strings.TrimSpace(message))
+	os.Exit(1)
+}
+
+func formatNumber(value int64) string {
+	sign := ""
+	if value < 0 {
+		sign = "-"
+		value = -value
+	}
+	digits := fmt.Sprintf("%d", value)
+	if len(digits) <= 3 {
+		return sign + digits
+	}
+	parts := make([]string, 0, (len(digits)+2)/3)
+	for len(digits) > 3 {
+		parts = append([]string{digits[len(digits)-3:]}, parts...)
+		digits = digits[:len(digits)-3]
+	}
+	parts = append([]string{digits}, parts...)
+	return sign + strings.Join(parts, ",")
+}
+
+func formatPercent(value *float64) string {
+	if value == nil {
+		return "n/a"
+	}
+	return fmt.Sprintf("%.2f%%", *value*100)
+}