package util

import (
	"regexp"
	"strings"
)

func IsOnion(url string) bool {
	re := regexp.MustCompile(`\.onion`)
	if re.MatchString(url) {
		return true
	}

	return false
}

func GetActorInstance(path string) (string, string) {
	re := regexp.MustCompile(`([@]?([\w\d.-_]+)[@](.+))`)
	atFormat := re.MatchString(path)

	if atFormat {
		match := re.FindStringSubmatch(path)
		if len(match) > 2 {
			return match[2], match[3]
		}
	}

	re = regexp.MustCompile(`(https?://)(www)?([\w\d-_.:]+)(/|\s+|\r|\r\n)?$`)
	mainActor := re.MatchString(path)
	if mainActor {
		match := re.FindStringSubmatch(path)
		if len(match) > 2 {
			return "main", match[3]
		}
	}

	re = regexp.MustCompile(`(https?://)?(www)?([\w\d-_.:]+)\/([\w\d-_.]+)(\/([\w\d-_.]+))?`)
	httpFormat := re.MatchString(path)

	if httpFormat {
		match := re.FindStringSubmatch(path)
		if len(match) > 3 {
			if match[4] == "users" {
				return match[6], match[3]
			}

			return match[4], match[3]
		}
	}

	return "", ""
}

func GetActorFollowNameFromPath(path string) string {
	var actor string

	re := regexp.MustCompile("f\\w+-")

	actor = re.FindString(path)

	actor = strings.Replace(actor, "f", "", 1)
	actor = strings.Replace(actor, "-", "", 1)

	return actor
}