Added support for editing config files with $EDITOR (#30)

* Added support for configuring files with editor
* Added tests

internal/setup/setup.go

@@ -24,6 +24,7 @@ const (
 	conf
 	del
 	newaction
+	confWithEditor
 )
 
 var ErrUserExit = errors.New("user exit")
@@ -38,6 +39,8 @@ func (a action) String() string {
 		return "[d]el"
 	case newaction:
 		return "create [n]ew"
+	case confWithEditor:
+		return "configure with [e]ditor"
 	default:
 		return "unset"
 	}
@@ -75,23 +78,23 @@ func Run() error {
 			return fmt.Errorf("failed to get configs files: %w", err)
 		}
 		configs = t
-		action, err := queryForAction([]action{conf, del})
+		qAct, err := queryForAction([]action{conf, del, confWithEditor})
 		if err != nil {
 			return fmt.Errorf("failed to find action: %w", err)
 		}
-		a = action
+		a = qAct
 	case "2":
 		profilesDir := filepath.Join(claiDir, "profiles")
 		t, err := getConfigs(filepath.Join(profilesDir, "*.json"), []string{})
 		if err != nil {
 			return fmt.Errorf("failed to get configs files: %w", err)
 		}
 		configs = t
-		action, err := queryForAction([]action{conf, del, newaction})
+		qAct, err := queryForAction([]action{conf, del, newaction, confWithEditor})
 		if err != nil {
 			return fmt.Errorf("failed to find action: %w", err)
 		}
-		a = action
+		a = qAct
 		if a == newaction {
 			c, err := createProFile(profilesDir)
 			if err != nil {

internal/setup/setup_actions.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"os/exec"
 	"regexp"
 	"slices"
 	"strconv"
@@ -40,6 +41,10 @@ func queryForAction(options []action) (action, error) {
 		if slices.Contains(options, newaction) {
 			ret = newaction
 		}
+	case "e", "configureWithEditor":
+		if slices.Contains(options, confWithEditor) {
+			ret = confWithEditor
+		}
 	case "q", "quit":
 		return unset, ErrUserExit
 	}
@@ -76,6 +81,8 @@ func configure(cfgs []config, a action) error {
 	switch a {
 	case conf:
 		return reconfigure(cfgs[index])
+	case confWithEditor:
+		return reconfigureWithEditor(cfgs[index])
 	case del:
 		return remove(cfgs[index])
 	default:
@@ -95,6 +102,29 @@ func reconfigure(cfg config) error {
 	return interractiveReconfigure(cfg, b)
 }
 
+// reconfigureWithEditor. As in the $EDITOR environment variable
+func reconfigureWithEditor(cfg config) error {
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		return fmt.Errorf("environment variable EDITOR is not set")
+	}
+	cmd := exec.Command(editor, cfg.filePath)
+
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	if err := cmd.Run(); err != nil {
+		return fmt.Errorf("failed to edit file %s: %v", cfg.filePath, err)
+	}
+	newConfig, err := os.ReadFile(cfg.filePath)
+	if err != nil {
+		return fmt.Errorf("editor exited OK, failed to read config file '%v' after, error: %v", cfg.filePath, err)
+	}
+	ancli.Okf("new config:\n%v", string(newConfig))
+	return nil
+}
+
 func remove(cfg config) error {
 	fmt.Printf("Are you sure you want to delete: '%v'?\n[y/n]: ", cfg.filePath)
 	var input string

internal/setup/setup_actions_test.go

@@ -2,6 +2,7 @@ package setup
 
 import (
 	"os"
+	"path/filepath"
 	"reflect"
 	"testing"
 )
@@ -88,3 +89,51 @@ func TestGetToolsValue(t *testing.T) {
 		t.Errorf("getToolsValue() returned %d tools, want 3", len(result))
 	}
 }
+
+func TestReconfigureWithEditor(t *testing.T) {
+	tests := []struct {
+		name    string
+		editor  string
+		content string
+		wantErr bool
+	}{
+		{
+			name:    "No editor set",
+			editor:  "",
+			content: "",
+			wantErr: true,
+		},
+		{
+			name:    "Valid editor",
+			editor:  "echo",
+			content: "{\"test\": \"value\"}",
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Setup temporary file
+			tmpDir := t.TempDir()
+			tmpFile := filepath.Join(tmpDir, "config.json")
+			if err := os.WriteFile(tmpFile, []byte(tt.content), 0o644); err != nil {
+				t.Fatal(err)
+			}
+
+			// Set environment
+			oldEditor := os.Getenv("EDITOR")
+			defer os.Setenv("EDITOR", oldEditor)
+			os.Setenv("EDITOR", tt.editor)
+
+			cfg := config{
+				name:     "test",
+				filePath: tmpFile,
+			}
+
+			err := reconfigureWithEditor(cfg)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("reconfigureWithEditor() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}