internal

type Host struct {
	// Address is the IP address or hostname of the scanned host
	Address string
	// Status indicates whether the host is "up" or "down"
	Status string
	// Ports contains information about all scanned ports
	Ports []Port
}

type HostStats struct {
	// Up is the number of hosts that were up
	Up int
	// Down is the number of hosts that were down
	Down int
	// Total is the total number of hosts scanned
	Total int
}

type HostXML struct {
	Address string    `xml:"Address"`
	Status  string    `xml:"Status"`
	Ports   []PortXML `xml:"Ports,omitempty"`
}

type Port struct {
	// Number is the port number (1-65535)
	Number uint16
	// Protocol is the transport protocol ("tcp" or "udp")
	Protocol string
	// State indicates whether the port is "open", "closed", or "filtered"
	State string
	// Service is the name of the detected service, if any
	Service string
	// Version is the version of the detected service, if available
	Version string
	// ServiceInfo contains additional service details, if available
	ServiceInfo string
}

type PortXML struct {
	Number      uint16 `xml:"Number"`
	Protocol    string `xml:"Protocol"`
	State       string `xml:"State"`
	Service     string `xml:"Service"`
	Version     string `xml:"Version,omitempty"`
	ServiceInfo string `xml:"ServiceInfo,omitempty"`
}

type ScanConfig struct {
	// Targets is a list of targets to scan (IPs, hostnames, CIDR ranges)
	Targets []string
	// Ports specifies which ports to scan (e.g., "80,443" or "1-1000")
	Ports string
	// ScanType determines the type of scan: "connect", "syn", or "version"
	ScanType string
	// TimeoutSec specifies scan timeout in seconds (0 = default timeout)
	TimeoutSec int
	// Concurrency specifies the number of concurrent scans (0 = auto)
	Concurrency int
	// RetryCount specifies the number of retry attempts for failed scans
	RetryCount int
	// RetryDelay specifies the delay between retries
	RetryDelay time.Duration
}

type ScanError struct {
	Op   string // Operation that failed
	Err  error  // Original error
	Host string // Host where the error occurred, if applicable
	Port uint16 // Port where the error occurred, if applicable
}

type ScanResult struct {
	// Hosts contains all scanned hosts and their findings
	Hosts []Host
	// Stats contains summary statistics about the scan
	Stats HostStats
	// StartTime is when the scan started
	StartTime time.Time
	// EndTime is when the scan completed
	EndTime time.Time
	// Duration is how long the scan took
	Duration time.Duration
	// Error is any error that occurred during the scan
	Error error
}

type ScanXML struct {
	XMLName   xml.Name  `xml:"scanresult"`
	Hosts     []HostXML `xml:"host"`
	StartTime string    `xml:"start_time,attr"`
	EndTime   string    `xml:"end_time,attr"`
	Duration  string    `xml:"duration,attr"`
}