delete added, more details below (#3)

- readme updates
- delete command added
- commands now saved in a map vs fields
- login and run now ensure config has been run to prevent errors

Reviewed-on: #3
Co-authored-by: jake <jake.young.dev@gmail.com>
Co-committed-by: jake <jake.young.dev@gmail.com>

cmd/run.go

@@ -15,14 +15,28 @@ import (
 
 // runCmd represents the run command
 var runCmd = &cobra.Command{
-	Use:     "run <name> args...",
-	Example: "mctl run savedcmd 63 jake",
-	Short:   "Runs a previously saved command with supplied arguments on remote server",
+	Use:          "run <name> args...",
+	Example:      "mctl run savedcmd 63 jake",
+	SilenceUsage: true,
+	Short:        "Runs a previously saved command with supplied arguments on remote server",
 	Long: `Loads a saved command, injects the supplied arguments into the command, and sends the command to the remove server
 			printing the response`,
 	Run: func(cmd *cobra.Command, args []string) {
-		//grab saved command
-		cmdName := viper.Get(fmt.Sprintf("customCmd-%s", args[0])).(string)
+		//check for command map
+		var cm map[string]any
+		cmdMap := viper.Get("customcmd")
+		if cmdMap == nil {
+			cm = make(map[string]any, 0)
+		} else {
+			cm = cmdMap.(map[string]any)
+		}
+		//is this an existing command
+		cmdRun, ok := cm[args[0]]
+		if !ok {
+			fmt.Printf("command %s not found", args[0])
+			return
+		}
+
 		//convert arguments to interface
 		var nargs []any
 		for _, a := range args[1:] {
@@ -30,7 +44,7 @@ var runCmd = &cobra.Command{
 		}
 
 		//inject arguments
-		fixed := fmt.Sprintf(cmdName, nargs...)
+		fixed := fmt.Sprintf(cmdRun.(string), nargs...)
 		fmt.Printf("Running saved command %s\n", fixed)
 
 		//create client and send command
@@ -44,13 +58,20 @@ var runCmd = &cobra.Command{
 		fmt.Println(res)
 	},
 	PreRunE: func(cmd *cobra.Command, args []string) error {
+		//ensure configuration has been setup
+		if viper.Get("server") == "" || viper.Get("password") == "" || viper.Get("port") == 0 {
+			return errors.New("the 'config' command must be run before you can interact with servers")
+		}
+
 		//ensure we have a command name
 		al := len(args)
 		if al == 0 {
 			return errors.New("name argument is required")
 		}
-		cmdCheck := viper.Get(fmt.Sprintf("customCmd-%s", args[0]))
-		count := strings.Count(cmdCheck.(string), "%s")
+
+		cmdMap := viper.Get("customcmd").(map[string]any)
+		count := strings.Count(cmdMap[args[0]].(string), "%s")
+
 		//make sure enough arguments are sent to fill command placeholders
 		if al < count+1 {
 			return fmt.Errorf("not enough arguments to populate command. Supplied: %d, Needed: %d", al-1, count)