package ui

import "github.com/charmbracelet/lipgloss"

var (
	colorAccent = lipgloss.Color("75")
	colorBright = lipgloss.Color("81")
	colorGood   = lipgloss.Color("114")
	colorWarn   = lipgloss.Color("214")
	colorBad    = lipgloss.Color("203")
	colorDim    = lipgloss.Color("244")
	colorBorder = lipgloss.Color("240")

	focusedTitle = lipgloss.NewStyle().Bold(true).Foreground(colorBright)
	dimStyle     = lipgloss.NewStyle().Foreground(colorDim)
	goodStyle    = lipgloss.NewStyle().Foreground(colorGood)
	badStyle     = lipgloss.NewStyle().Foreground(colorBad)
	warnStyle    = lipgloss.NewStyle().Foreground(colorWarn)
	cursorStyle  = lipgloss.NewStyle().Bold(true).Foreground(colorBright)
	helpStyle    = lipgloss.NewStyle().Foreground(colorDim)
)

// paneBox baut den Rahmen-Stil für ein Pane mit gegebener Außenbreite/-höhe.
// lipgloss zählt Padding zur Breite, den Rahmen nicht – daher w-2/h-2.
func paneBox(focused bool, w, h int) lipgloss.Style {
	s := lipgloss.NewStyle().
		Border(lipgloss.RoundedBorder()).
		BorderForeground(colorBorder).
		PaddingLeft(1).
		PaddingRight(1)
	if focused {
		s = s.BorderForeground(colorAccent)
	}
	if w > 0 {
		s = s.Width(w - 2)
	}
	if h > 0 {
		s = s.Height(h - 2)
	}
	return s
}

// truncate schneidet s Anzeigebreite auf w und hängt … an.
func truncate(s string, w int) string {
	if w <= 0 {
		return ""
	}
	r := []rune(s)
	if len(r) <= w {
		return s
	}
	if w == 1 {
		return "…"
	}
	return string(r[:w-1]) + "…"
}