1// Package style provides consistent text styling using lipgloss.
  2// It respects the NO_COLOR environment variable (https://no-color.org/).
  3package style
  4
  5import (
  6	"fmt"
  7	"os"
  8
  9	"github.com/charmbracelet/lipgloss"
 10)
 11
 12// Italic returns an italic style.
 13func Italic(text string) string {
 14	return lipgloss.NewStyle().Italic(true).Render(text)
 15}
 16
 17// Colour represents a lipgloss colour that can be applied.
 18type Colour lipgloss.Color
 19
 20// ANSI colour codes (standard 8-colour palette).
 21// Using ANSI escape codes for portability across terminals.
 22var (
 23	// Red for errors and warnings
 24	Red = Colour("1")
 25
 26	// Green for success messages
 27	Green = Colour("2")
 28
 29	// Blue for URLs
 30	Blue = Colour("12")
 31
 32	// Magenta for labels and info
 33	Magenta = Colour("5")
 34
 35	// Cyan for filepaths and values
 36	Cyan = Colour("6")
 37
 38	// White for headings
 39	White = Colour("15")
 40
 41	// Bright black for muted/debug text
 42	BrightBlack = Colour("8")
 43)
 44
 45// NoColor returns true if the NO_COLOR environment variable is set.
 46// This respects https://no-color.org/ standard.
 47func NoColor() bool {
 48	return os.Getenv("NO_COLOR") != ""
 49}
 50
 51// Warning returns an orange and bold warning message.
 52// Note: ANSI doesn't have orange, so we use red with bold styling.
 53func Warning(text string) string {
 54	if NoColor() {
 55		return "WARNING: " + text
 56	}
 57	return lipgloss.NewStyle().
 58		Foreground(lipgloss.Color(Red)).
 59		Bold(true).
 60		Render("WARNING: " + text)
 61}
 62
 63// Warningf returns a formatted warning message.
 64func Warningf(format string, args ...any) string {
 65	return Warning(fmt.Sprintf(format, args...))
 66}
 67
 68// Error returns a red and bold error message.
 69func Error(text string) string {
 70	if NoColor() {
 71		return "ERROR: " + text
 72	}
 73	return lipgloss.NewStyle().
 74		Foreground(lipgloss.Color(Red)).
 75		Bold(true).
 76		Render("ERROR: " + text)
 77}
 78
 79// Errorf returns a formatted error message.
 80func Errorf(format string, args ...any) string {
 81	return Error(fmt.Sprintf(format, args...))
 82}
 83
 84// Success returns a green success message.
 85func Success(text string) string {
 86	if NoColor() {
 87		return "✓ " + text
 88	}
 89	return lipgloss.NewStyle().
 90		Foreground(lipgloss.Color(Green)).
 91		Bold(true).
 92		Render("✓ " + text)
 93}
 94
 95// Filepath returns a styled filepath in cyan.
 96func Filepath(filepath string) string {
 97	if NoColor() {
 98		return filepath
 99	}
100	return lipgloss.NewStyle().Foreground(lipgloss.Color(Cyan)).Render(filepath)
101}
102
103// FilepathStyled returns a lipgloss style for filepaths that can be applied to custom text.
104var FilepathStyled = lipgloss.NewStyle().Foreground(lipgloss.Color(Cyan))
105
106// URLStyled returns a lipgloss style for URLs that can be applied to custom text.
107var URLStyled = lipgloss.NewStyle().Foreground(lipgloss.Color(Blue)).Underline(true)
108
109// Label returns a styled label/key in magenta and bold.
110func Label(text string) string {
111	if NoColor() {
112		return lipgloss.NewStyle().Bold(true).Render(text)
113	}
114	return lipgloss.NewStyle().
115		Foreground(lipgloss.Color(Magenta)).
116		Bold(true).
117		Render(text)
118}
119
120// LabelStyled returns a lipgloss style for labels.
121var LabelStyled = lipgloss.NewStyle().Foreground(lipgloss.Color(Magenta)).Bold(true)
122
123// Heading returns a styled heading.
124func Heading(text string) string {
125	return lipgloss.NewStyle().Bold(true).Render(text)
126}
127
128// Value returns styled value text.
129func Value(text string) string {
130	if NoColor() {
131		return text
132	}
133	return lipgloss.NewStyle().Foreground(lipgloss.Color(Cyan)).Render(text)
134}
135
136// ValueStyled returns a lipgloss style for values.
137var ValueStyled = lipgloss.NewStyle().Foreground(lipgloss.Color(Cyan))
138
139// Info returns a styled info message in cyan.
140func Info(text string) string {
141	if NoColor() {
142		return "ℹ " + text
143	}
144	return lipgloss.NewStyle().Foreground(lipgloss.Color(Cyan)).Render("ℹ " + text)
145}
146
147// Debug returns a styled debug message in grey.
148func Debug(text string) string {
149	if NoColor() {
150		return lipgloss.NewStyle().Italic(true).Render("Debug: " + text)
151	}
152	return lipgloss.NewStyle().
153		Foreground(lipgloss.Color(BrightBlack)).
154		Italic(true).
155		Render("Debug: " + text)
156}
157
158// Debugf returns a formatted debug message.
159func Debugf(format string, args ...any) string {
160	return Debug(fmt.Sprintf(format, args...))
161}