[PLUTO-1376] Improve readme/help command

Author: zhamborova

README.md

@@ -1,6 +1,7 @@
 # codacy-cli-v2
 
-The `codacy-cli-v2` is a command-line tool for Codacy that supports analyzing code using tools like ESLint and uploading the results in SARIF format to Codacy. It provides two main commands: `analyze` and `upload`.
+The Codacy CLI (version 2) is a command-line tool that supports analyzing code using tools like ESLint and uploading the results in SARIF format to Codacy. 
+The tool is invoked using the `codacy-cli` command, and provides two main commands: analyze and upload.
 
 ### Commands
 
@@ -32,13 +33,13 @@ The `codacy-cli-v2` is a command-line tool for Codacy that supports analyzing co
   tools:
       - [email protected]
 
-- **`codacy-cli-v2 install`**: Command to install the specified node and eslint versions before running analysis.
+- **`codacy-cli install`**: Command to install the specified node and eslint versions before running analysis.
 
 ## Download
 
 ### MacOS (brew)
 
-To install `codacy-cli-v2` using Homebrew:
+To install `codacy-cli` using Homebrew:
 
 ```bash
 brew install codacy/codacy-cli-v2/codacy-cli-v2

cmd/root.go

@@ -3,15 +3,17 @@ package cmd
 import (
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"github.com/fatih/color"
 	"github.com/spf13/cobra"
 )
 
 var rootCmd = &cobra.Command{
-	Use:   "codacy-cli",
-	Short: "Codacy CLI - A command line interface for Codacy",
-	Long:  ``,
+	Use:     "codacy-cli",
+	Short:   "Codacy CLI - A command line interface for Codacy",
+	Long:    "",
+	Example: getExampleText(),
 	Run: func(cmd *cobra.Command, args []string) {
 		// Check if .codacy directory exists
 		if _, err := os.Stat(".codacy"); os.IsNotExist(err) {
@@ -52,4 +54,61 @@ func showWelcomeMessage() {
 	fmt.Println()
 	fmt.Println("Or run without a token to use local configuration:")
 	fmt.Println("  codacy-cli init")
+	fmt.Println()
+	fmt.Println("For more information about available commands, run:")
+	fmt.Println("  codacy-cli --help")
+}
+
+func getExampleText() string {
+	return color.New(color.FgCyan).Sprint("Initialize a project:") + "\n" +
+		color.New(color.FgGreen).Sprint("  codacy-cli init") + "\n\n" +
+		color.New(color.FgCyan).Sprint("Install required tools:") + "\n" +
+		color.New(color.FgGreen).Sprint("  codacy-cli install") + "\n\n" +
+		color.New(color.FgCyan).Sprint("Run analysis with ESLint:") + "\n" +
+		color.New(color.FgGreen).Sprint("  codacy-cli analyze --tool eslint") + "\n\n" +
+		color.New(color.FgCyan).Sprint("Run analysis and output in SARIF format:") + "\n" +
+		color.New(color.FgGreen).Sprint("  codacy-cli analyze --tool eslint --format sarif") + "\n\n" +
+		color.New(color.FgCyan).Sprint("Upload results to Codacy:") + "\n" +
+		color.New(color.FgGreen).Sprint("  codacy-cli upload -s results.sarif -c <commit-uuid> -t <project-token>")
+}
+
+func init() {
+	// Add global flags here
+	rootCmd.PersistentFlags().StringP("config", "c", filepath.Join(".codacy", "codacy.yaml"), "config file")
+
+	// Customize help template
+	rootCmd.SetUsageTemplate(`
+` + color.New(color.FgCyan).Sprint("Usage:") + `
+  {{.UseLine}}{{if .HasAvailableSubCommands}}
+  {{.CommandPath}} [command]{{end}}{{if gt (len .Aliases) 0}}
+
+` + color.New(color.FgCyan).Sprint("Aliases:") + `
+  {{.NameAndAliases}}{{end}}{{if .HasExample}}
+
+` + color.New(color.FgCyan).Sprint("Examples:") + `
+{{.Example}}{{end}}{{if .HasAvailableSubCommands}}
+
+` + color.New(color.FgCyan).Sprint("Available Commands:") + `{{range .Commands}}{{if (or .IsAvailableCommand (eq .Name "help"))}}
+  ` + "{{$cmd := .Name}}" + color.New(color.FgGreen).Sprintf("{{rpad .Name .NamePadding}}") + ` {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableLocalFlags}}
+
+` + color.New(color.FgCyan).Sprint("Flags:") + `
+{{.LocalFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasAvailableInheritedFlags}}
+
+` + color.New(color.FgCyan).Sprint("Global Flags:") + `
+{{.InheritedFlags.FlagUsages | trimTrailingWhitespaces}}{{end}}{{if .HasHelpSubCommands}}
+
+` + color.New(color.FgCyan).Sprint("Additional help topics:") + `{{range .Commands}}{{if .IsAdditionalHelpTopicCommand}}
+  {{rpad .CommandPath .CommandPathPadding}} {{.Short}}{{end}}{{end}}{{end}}{{if .HasAvailableSubCommands}}
+
+Use "{{.CommandPath}} [command] --help" for more information about a command.{{end}}
+
+` + color.New(color.FgCyan).Sprint("Configuration Example") + ` (.codacy/codacy.yaml):
+  runtimes:
+    - [email protected]
+  tools:
+    - [email protected]
+
+` + color.New(color.FgCyan).Sprint("For more information and examples, visit:") + `
+https://github.com/codacy/codacy-cli-v2
+`)
 }