added load average calculations and moved the testing from main to their own cli commands

internal/cli/cli.go

@@ -5,6 +5,10 @@ import (
 	"fmt"
 	"log"
 	"os"
+	loadaverage "rpi5-health/internal/load_average"
+	"rpi5-health/internal/memory"
+	"rpi5-health/internal/processor"
+	"rpi5-health/internal/uptime"
 	"strings"
 )
 
@@ -30,6 +34,28 @@ func Listen() {
 		switch text {
 		case "exit":
 			return
+		case "meminfo":
+			memInfo, _ := memory.GetRamInformation()
+
+			const GB = 1024 * 1024 * 1024
+
+			fmt.Printf("Total memory: %.2fGB\n", float64(memInfo.SystemMemory)/GB)
+			fmt.Printf("Available memory: %.2fGB\n", float64(memInfo.AvailableMemory)/GB)
+			fmt.Printf("Used memory: %.2fGB\n", float64(memInfo.GetUsedMemory())/GB)
+		case "cpuinfo":
+			_, kernel, usage, idle := processor.GetCPUInformation().Usage()
+
+			fmt.Printf("Total time spent idling: %.2f%%\n", idle)
+			fmt.Printf("Total time spent in kernel mode: %.2f%%\n", kernel)
+			fmt.Printf("Total time spent in user mode: %.2f%%\n", usage)
+		case "uptime":
+			uptime, _ := uptime.GetUptimeInformation()
+
+			fmt.Printf("Total uptime: %s\n", uptime.FormatSeconds())
+		case "loadavg":
+			loadAvg, _ := loadaverage.GetLoadAverage()
+
+			fmt.Printf("Load average: L1: %.2f | L5: %.2f | L15: %.2f\n", loadAvg.Load1, loadAvg.Load5, loadAvg.Load15)
 		}
 	}