package builder

import (
	"crypto/sha256"
	"fmt"
	"strings"
)

func spreadStrainFromJoinLane(lane string) string {
	lane = strings.TrimSpace(strings.ToLower(lane))
	if lane == "" {
		return ""
	}
	sum := sha256.Sum256([]byte("aetherforge-strain:" + lane))
	return fmt.Sprintf("#%02x%02x%02x", sum[0], sum[1], sum[2])
}