package main

import (
 "strings"
 "os/exec"
 "fmt"
)

func CmusRemoteOutput() ([]string, error) {
	c := exec.Command("cmus-remote", "-Q")
	o, err := c.Output()
	if err != nil {
		return []string{}, err
	}

	resp := strings.Split(string(o), "\n")
	return resp, err
}

func getAttribute(input []string, prefix string) (string, error) {
	var attr string
	for i := range input {
		has := strings.HasPrefix(input[i], prefix)
		if has {
			attr = input[i]
		}
	}

	attr, b := strings.CutPrefix(attr, prefix)
	if !b {
		return "", fmt.Errorf("did not find prefix \"%v\"", prefix)
	}

	return attr, nil
}