colour setup

main.go

@@ -22,6 +22,7 @@ import (
 	"strings"
 	"time"
 	"unicode"
+	"unicode/utf8"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/pelletier/go-toml/v2"
@@ -314,11 +315,12 @@ func generateServiceName() string {
 
 func promptServiceName(defaultName string) (string, error) {
 	reader := bufio.NewReader(os.Stdin)
-	fmt.Printf("Service name [%s]: ", defaultName)
+	fmt.Printf("%sService name%s [%s]: ", headerColor, remoteColorReset, defaultName)
 	input, err := reader.ReadString('\n')
 	if err != nil {
 		return "", err
 	}
+	input = normalizePromptInput(input)
 	input = strings.TrimSpace(input)
 	if input == "" {
 		return defaultName, nil
@@ -365,7 +367,7 @@ func confirmServerConfig(pbPath string) error {
 		return err
 	}
 
-	fmt.Println("Confirm remote server settings (press Enter to keep the current value):")
+	fmt.Printf("Confirm remote server settings (press Enter to keep the current value):\n")
 	reader := bufio.NewReader(os.Stdin)
 
 	ipDefault := cfg.Server.IP
@@ -406,16 +408,18 @@ func confirmServerConfig(pbPath string) error {
 }
 
 func promptWithDefault(reader *bufio.Reader, label, defaultValue string) (string, error) {
+	fmt.Printf("%s%s%s", headerColor, label, remoteColorReset)
 	if defaultValue != "" {
-		fmt.Printf("%s [%s]: ", label, defaultValue)
+		fmt.Printf(" [%s]: ", defaultValue)
 	} else {
-		fmt.Printf("%s: ", label)
+		fmt.Print(": ")
 	}
 
 	input, err := reader.ReadString('\n')
 	if err != nil {
 		return "", err
 	}
+	input = normalizePromptInput(input)
 	input = strings.TrimSpace(input)
 	if input == "" {
 		return defaultValue, nil
@@ -429,11 +433,12 @@ func promptPort(reader *bufio.Reader, label string, defaultValue int) (int, erro
 	}
 
 	for {
-		fmt.Printf("%s [%d]: ", label, defaultValue)
+		fmt.Printf("%s%s%s [%d]: ", headerColor, label, remoteColorReset, defaultValue)
 		input, err := reader.ReadString('\n')
 		if err != nil {
 			return 0, err
 		}
+		input = normalizePromptInput(input)
 		value := strings.TrimSpace(input)
 		if value == "" {
 			return defaultValue, nil
@@ -447,6 +452,68 @@ func promptPort(reader *bufio.Reader, label string, defaultValue int) (int, erro
 	}
 }
 
+func normalizePromptInput(raw string) string {
+	var buf []rune
+	for i := 0; i < len(raw); {
+		r, size := utf8.DecodeRuneInString(raw[i:])
+		if size == 0 {
+			break
+		}
+		if r == '\r' || r == '\n' {
+			break
+		}
+		if r == 0x1b {
+			nextIndex := i + size
+			if nextIndex >= len(raw) {
+				break
+			}
+			next, nextSize := utf8.DecodeRuneInString(raw[nextIndex:])
+			if next == 0x7f || next == 0x08 {
+				buf = deletePreviousWord(buf)
+				i = nextIndex + nextSize
+				continue
+			}
+			if next == '[' || next == 'O' {
+				i = nextIndex + nextSize
+				for i < len(raw) {
+					code, codeSize := utf8.DecodeRuneInString(raw[i:])
+					if codeSize == 0 {
+						break
+					}
+					i += codeSize
+					if ('A' <= code && code <= 'Z') || ('a' <= code && code <= 'z') {
+						break
+					}
+				}
+				continue
+			}
+			i = nextIndex + nextSize
+			continue
+		}
+		if r == 0x7f || r == 0x08 {
+			if len(buf) > 0 {
+				buf = buf[:len(buf)-1]
+			}
+			i += size
+			continue
+		}
+		buf = append(buf, r)
+		i += size
+	}
+	return string(buf)
+}
+
+func deletePreviousWord(buf []rune) []rune {
+	i := len(buf)
+	for i > 0 && unicode.IsSpace(buf[i-1]) {
+		i--
+	}
+	for i > 0 && !unicode.IsSpace(buf[i-1]) {
+		i--
+	}
+	return buf[:i]
+}
+
 func pocketbaseBinaryName(goos string) string {
 	if goos == "windows" {
 		return "pocketbase.exe"