package remote

import (
	"crypto/sha256"
	"encoding/hex"
	"net"
	"time"
)

type StatusReport struct {
	Hostname       string    `json:"hostname"`
	IPs            []string  `json:"ips,omitempty"`
	Agent          string    `json:"agent"`
	CWD            string    `json:"cwd"`
	Status         string    `json:"status"`
	Event          string    `json:"event,omitempty"`
	ConversationID string    `json:"conversation_id,omitempty"`
	LastUser       string    `json:"last_user,omitempty"`
	LastAgent      string    `json:"last_agent,omitempty"`
	UpdatedAt      time.Time `json:"updated_at"`
}

func SessionKey(hostname, primaryIP, cwd, agent string) string {
	sum := sha256.Sum256([]byte(hostname + "\x00" + primaryIP + "\x00" + cwd + "\x00" + agent))
	return hex.EncodeToString(sum[:])[:32]
}

func PrimaryIP(ips []string) string {
	for _, s := range ips {
		ip := net.ParseIP(s)
		if ip != nil && ip.To4() != nil {
			return ip.To4().String()
		}
	}
	return ""
}