// Package secret provides secrec handshake functions.
package secret
// Handshake returns the handshake for the given code.
func Handshake(code uint) []string {
	const (
		wink = 1 << iota
		dblink
		cye
		jump
		rev
	)
	out := []string{}
	if code&wink != 0 {
		out = append(out, "wink")
	}
	if code&dblink != 0 {
		out = append(out, "double blink")
	}
	if code&cye != 0 {
		out = append(out, "close your eyes")
	}
	if code&jump != 0 {
		out = append(out, "jump")
	}
	if code&rev != 0 {
		for i, j := 0, len(out)-1; i < j; i, j = i+1, j-1 {
			out[i], out[j] = out[j], out[i]
		}
	}
	return out
}