package network

// InterfaceInfo holds comprehensive details about a network interface.
type InterfaceInfo struct {
	Index       int         `json:"index"`
	Name        string      `json:"name"`
	Type        string      `json:"type"`      // "ethernet", "vlan", "loopback", "bridge", "dummy", etc.
	State       string      `json:"state"`     // "UP", "DOWN", "UNKNOWN"
	OperState   string      `json:"operstate"` // "up", "down", "unknown"
	MAC         string      `json:"mac"`
	MTU         int         `json:"mtu"`
	IPv4        []string    `json:"ipv4"` // e.g. ["192.168.1.1/24"]
	IPv6        []string    `json:"ipv6"` // e.g. ["fe80::1/64"]
	Flags       []string    `json:"flags"`
	IsVLAN      bool        `json:"is_vlan"`
	VlanID      int         `json:"vlan_id,omitempty"`
	ParentName  string      `json:"parent_name,omitempty"`
	ParentIndex int         `json:"parent_index,omitempty"`
	Role        string      `json:"role"` // "WAN", "LAN", "DMZ", "GUEST", "IOT", "MGMT"
	Description string      `json:"description"`
	Stats       NetStats    `json:"stats"`
	Rate        TrafficRate `json:"rate"`
}

// NetStats holds packet and byte counters.
type NetStats struct {
	RxBytes   uint64 `json:"rx_bytes"`
	TxBytes   uint64 `json:"tx_bytes"`
	RxPackets uint64 `json:"rx_packets"`
	TxPackets uint64 `json:"tx_packets"`
	RxErrors  uint64 `json:"rx_errors"`
	TxErrors  uint64 `json:"tx_errors"`
	RxDropped uint64 `json:"rx_dropped"`
	TxDropped uint64 `json:"tx_dropped"`
}

// TrafficRate represents real-time network throughput.
type TrafficRate struct {
	RxBytesPerSec float64 `json:"rx_bytes_sec"`
	TxBytesPerSec float64 `json:"tx_bytes_sec"`
	RxHuman       string  `json:"rx_human"`
	TxHuman       string  `json:"tx_human"`
}

// InterfaceLiveRate holds real-time throughput and cumulative counters for an interface.
type InterfaceLiveRate struct {
	Name          string  `json:"name"`
	RxBytesPerSec float64 `json:"rx_bytes_sec"`
	TxBytesPerSec float64 `json:"tx_bytes_sec"`
	RxHuman       string  `json:"rx_human"`
	TxHuman       string  `json:"tx_human"`
	RxBytes       uint64  `json:"rx_bytes"`
	TxBytes       uint64  `json:"tx_bytes"`
	RxPackets     uint64  `json:"rx_packets"`
	TxPackets     uint64  `json:"tx_packets"`
	RxErrors      uint64  `json:"rx_errors"`
	TxErrors      uint64  `json:"tx_errors"`
	RxDropped     uint64  `json:"rx_dropped"`
	TxDropped     uint64  `json:"tx_dropped"`
}

// TrafficSnapshot represents an instantaneous router-wide live network traffic snapshot.
type TrafficSnapshot struct {
	Timestamp    int64                        `json:"timestamp"`
	Interfaces   map[string]InterfaceLiveRate `json:"interfaces"`
	TotalRxRate  float64                      `json:"total_rx_bytes_sec"`
	TotalTxRate  float64                      `json:"total_tx_bytes_sec"`
	TotalRxHuman string                       `json:"total_rx_human"`
	TotalTxHuman string                       `json:"total_tx_human"`
}

// CreateVLANRequest specifies parameters for creating an 802.1Q VLAN interface.
type CreateVLANRequest struct {
	ParentName  string `json:"parent_name"` // e.g. "eth0"
	VlanID      int    `json:"vlan_id"`     // 1 - 4094
	Name        string `json:"name"`        // optional, e.g. "eth0.10" or "vlan10"
	IPAddress   string `json:"ip_address"`  // optional CIDR, e.g. "192.168.10.1/24"
	MTU         int    `json:"mtu"`         // defaults to 1500
	Role        string `json:"role"`        // "LAN", "DMZ", "GUEST", "IOT"
	Description string `json:"description"` // User-friendly label
	AutoUp      bool   `json:"auto_up"`     // bring interface UP immediately
}

// UpdateInterfaceRequest specifies parameters for updating interface attributes.
type UpdateInterfaceRequest struct {
	Name        *string `json:"name,omitempty"`
	State       *string `json:"state,omitempty"` // "up" or "down"
	MTU         *int    `json:"mtu,omitempty"`
	Role        *string `json:"role,omitempty"`
	Description *string `json:"description,omitempty"`
}

// RenameInterfaceRequest specifies the new name for an interface.
type RenameInterfaceRequest struct {
	Name    string `json:"name,omitempty"`
	NewName string `json:"new_name,omitempty"`
}

// AddIPRequest defines the payload to add an IP address to an interface.
type AddIPRequest struct {
	IP string `json:"ip"` // CIDR, e.g. "192.168.20.1/24"
}

// RoleTag defines an organizational label for classifying interfaces.
type RoleTag struct {
	ID          string `json:"id"`
	Name        string `json:"name"`
	Color       string `json:"color"` // e.g. "amber", "blue", "cyan", "emerald", "purple", "rose", "slate", "indigo"
	Description string `json:"description"`
	Builtin     bool   `json:"builtin,omitempty"`
}

// RoleTagWithUsage includes assigned interface names and usage count.
type RoleTagWithUsage struct {
	RoleTag
	AssignedCount int      `json:"assigned_count"`
	Interfaces    []string `json:"interfaces"`
}

// InterfaceMetadata stores custom persistent labels, MAC mappings, and IP assignments per interface.
type InterfaceMetadata struct {
	Role        string   `json:"role"`
	Description string   `json:"description"`
	IPAddresses []string `json:"ip_addresses,omitempty"`
	AutoUp      bool     `json:"auto_up,omitempty"`
	MAC         string   `json:"mac,omitempty"`
}

// MetadataStore is written to disk to preserve user labels across restarts.
type MetadataStore struct {
	Interfaces map[string]InterfaceMetadata `json:"interfaces"`
	Roles      []RoleTag                    `json:"roles,omitempty"`
}