package main

import "github.com/fatih/color"

var colorCache = map[string]*color.Color{}

func makeColor(name string) (c *color.Color) {
	// caching
	if c, ok := colorCache[name]; ok {
		return c
	}
	defer func() { colorCache[name] = c }()

	switch name {
	case "black":
		return color.New(color.FgBlack)
	case "red":
		return color.New(color.FgRed)
	case "green":
		return color.New(color.FgGreen)
	case "yellow":
		return color.New(color.FgYellow)
	case "blue":
		return color.New(color.FgBlue)
	case "magenta":
		return color.New(color.FgMagenta)
	case "cyan":
		return color.New(color.FgCyan)
	case "white":
		return color.New(color.FgWhite)
	case "":
		return color.New()
	default:
		panic("unknown color name. valid color names: black, red, green, yellow, blue, magenta, cyan, white")
	}
}