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package utils
import (
"fmt"
"io/ioutil"
"log"
"os"
"strconv"
"strings"
)
/*
* Brown University, CS1951L, Summer 2021
* Designed by: Colby Anderson, John Roy
*/
// Debug is optional logger for debugging
var Debug *log.Logger
// Out is logger to Stdout
var Out *log.Logger
// Err is logger to Stderr
var Err *log.Logger
// init initializes the loggers.
func init() {
Debug = log.New(ioutil.Discard, "DEBUG: ", 0)
Out = log.New(os.Stdout, "INFO: ", log.Ltime|log.Lshortfile)
Err = log.New(os.Stderr, "ERROR: ", log.Ltime|log.Lshortfile)
}
// SetDebug turns debug print statements on or off.
func SetDebug(enabled bool) {
if enabled {
Debug.SetOutput(os.Stdout)
} else {
Debug.SetOutput(ioutil.Discard)
}
}
func FmtAddr(addr string) string {
if addr == "" {
return ""
}
colors := []string{"\033[41m", "\033[42m", "\033[43m", "\033[44m", "\033[45m", "\033[46m", "\033[47m"}
port, _ := strconv.ParseInt(strings.Split(addr, ":")[1], 10, 64)
randomColor := colors[int(port)%len(colors)]
return fmt.Sprintf("%v\033[97m[%v]\033[0m", randomColor, addr)
}
func Colorize(s string, seed int) string {
lowestColor, highestColor := 104, 226
return fmt.Sprintf("\033[38;5;%vm%v\033[0m", seed%(highestColor-lowestColor)+lowestColor, s)
}
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