package dynamicrouting

// BGPInstance represents global BGP settings (/routing bgp instance)
type BGPInstance struct {
	Enabled               bool   `json:"enabled"`
	AS                    uint32 `json:"as"`
	RouterID              string `json:"router_id"`
	HoldTime              int    `json:"hold_time"`      // Default 180
	KeepaliveTime         int    `json:"keepalive_time"` // Default 60
	RedistributeConnected bool   `json:"redistribute_connected"`
	RedistributeStatic    bool   `json:"redistribute_static"`
	RedistributeOSPF      bool   `json:"redistribute_ospf"`
	Running               bool   `json:"running"`
}

// BGPPeer represents a BGP peer connection (/routing bgp connection / peer)
type BGPPeer struct {
	ID             string `json:"id"`
	Name           string `json:"name"`
	RemoteAddress  string `json:"remote_address"`
	RemoteAS       uint32 `json:"remote_as"`
	LocalAddress   string `json:"local_address,omitempty"`
	Multihop       bool   `json:"multihop"`
	NexthopSelf    bool   `json:"nexthop_self"`
	Passive        bool   `json:"passive"`
	Password       string `json:"password,omitempty"`
	Disabled       bool   `json:"disabled"`
	Comment        string `json:"comment,omitempty"`
	InFilter       string `json:"in_filter,omitempty"`  // Routing Filter chain for incoming routes
	OutFilter      string `json:"out_filter,omitempty"` // Routing Filter chain for outgoing routes
	// Runtime telemetry
	State          string `json:"state,omitempty"` // Established, Active, Connect, Idle
	Uptime         string `json:"uptime,omitempty"`
	PrefixReceived int    `json:"prefix_received"`
	PrefixSent     int    `json:"prefix_sent"`
}

// BGPNetwork represents an advertised network (/routing bgp network)
type BGPNetwork struct {
	ID       string `json:"id"`
	Network  string `json:"network"` // CIDR, e.g. 10.200.0.0/24
	Disabled bool   `json:"disabled"`
	Comment  string `json:"comment,omitempty"`
}

// BGPRoute represents an active BGP route
type BGPRoute struct {
	Prefix  string `json:"prefix"`
	NextHop string `json:"next_hop"`
	Metric  int    `json:"metric"`
	Weight  int    `json:"weight"`
	Path    string `json:"path"`
	Origin  string `json:"origin"`
	Best    bool   `json:"best"`
}

// OSPFInstance represents global OSPF settings (/routing ospf instance)
type OSPFInstance struct {
	Enabled               bool   `json:"enabled"`
	RouterID              string `json:"router_id"`
	RedistributeConnected bool   `json:"redistribute_connected"`
	RedistributeStatic    bool   `json:"redistribute_static"`
	RedistributeBGP       bool   `json:"redistribute_bgp"`
	DefaultMetric         int    `json:"default_metric"`
	Running               bool   `json:"running"`
}

// OSPFArea represents an OSPF area (/routing ospf area)
type OSPFArea struct {
	ID       string `json:"id"`
	Name     string `json:"name"`
	AreaID   string `json:"area_id"`   // e.g. "0.0.0.0" or "0"
	AreaType string `json:"area_type"` // default, stub, nssa
	Comment  string `json:"comment,omitempty"`
}

// OSPFInterface represents an OSPF network/interface template (/routing ospf interface-template)
type OSPFInterface struct {
	ID            string `json:"id"`
	Network       string `json:"network"`             // CIDR, e.g. "192.168.131.0/24"
	Area          string `json:"area"`                // Area ID e.g. "0.0.0.0"
	Interface     string `json:"interface,omitempty"` // eth0, vlan10, wg0...
	Cost          int    `json:"cost"`                // Metric, default 10
	Priority      int    `json:"priority"`            // Default 1
	HelloInterval int    `json:"hello_interval"`      // Default 10
	DeadInterval  int    `json:"dead_interval"`       // Default 40
	Passive       bool   `json:"passive"`
	AuthType      string `json:"auth_type"` // none, simple, md5
	AuthKey       string `json:"auth_key,omitempty"`
	Disabled      bool   `json:"disabled"`
	Comment       string `json:"comment,omitempty"`
}

// OSPFNeighbor represents a live OSPF neighbor
type OSPFNeighbor struct {
	NeighborID string `json:"neighbor_id"`
	Address    string `json:"address"`
	Interface  string `json:"interface"`
	Area       string `json:"area"`
	State      string `json:"state"` // Full/DR, Full/Backup, 2-Way...
	DeadTimer  string `json:"dead_timer"`
}

// OSPFRoute represents an active OSPF route
type OSPFRoute struct {
	Prefix    string `json:"prefix"`
	RouteType string `json:"route_type"` // Intra-Area, Inter-Area, External
	Cost      int    `json:"cost"`
	Area      string `json:"area"`
	NextHop   string `json:"next_hop"`
	Interface string `json:"interface"`
}

// RoutingFilterRule represents a route filter rule (/routing filter)
type RoutingFilterRule struct {
	ID             string `json:"id"`
	Chain          string `json:"chain"`                   // e.g. "bgp-in", "bgp-out", "isp-in"
	RuleOrder      int    `json:"rule_order"`              // e.g. 10, 20, 30... Sequence number
	Action         string `json:"action"`                  // "accept" (permit), "discard" (deny), "reject", "passthrough"
	Prefix         string `json:"prefix,omitempty"`         // CIDR e.g. "10.0.0.0/8" or "0.0.0.0/0"
	PrefixLen      string `json:"prefix_len,omitempty"`     // e.g. "24-32", "ge 24 le 32", "24"
	MatchProtocol  string `json:"match_protocol,omitempty"`  // "any", "bgp", "ospf", "connected", "static"
	MatchASPath    string `json:"match_as_path,omitempty"`  // regex e.g. "^65000_"
	MatchCommunity string `json:"match_community,omitempty"`// e.g. "65001:100"
	SetLocalPref   int    `json:"set_local_pref,omitempty"` // BGP Local Preference
	SetMetric      int    `json:"set_metric,omitempty"`     // BGP MED / OSPF Metric
	SetASPrepend   int    `json:"set_as_prepend,omitempty"` // AS Path prepend count
	SetCommunity   string `json:"set_community,omitempty"`  // Set BGP community
	SetNextHop     string `json:"set_next_hop,omitempty"`   // Custom Next Hop IP
	SetDistance    int    `json:"set_distance,omitempty"`   // Administrative Distance
	Disabled       bool   `json:"disabled"`
	Comment        string `json:"comment,omitempty"`
}

// DynamicRoutingSummary aggregates status for dashboard & badges
type DynamicRoutingSummary struct {
	BGPEnabled          bool `json:"bgp_enabled"`
	BGPRunning          bool `json:"bgp_running"`
	BGPPeerCount        int  `json:"bgp_peer_count"`
	BGPEstablishedCount int  `json:"bgp_established_count"`
	OSPFEnabled         bool `json:"ospf_enabled"`
	OSPFRunning         bool `json:"ospf_running"`
	OSPFNeighborCount   int  `json:"ospf_neighbor_count"`
	OSPFAdjacentCount   int  `json:"ospf_adjacent_count"`
	RoutingFilterCount  int  `json:"routing_filter_count"`
}

// DynamicConfig stores all dynamic routing data on disk
type DynamicConfig struct {
	BGPInstance    BGPInstance         `json:"bgp_instance"`
	BGPPeers       []BGPPeer           `json:"bgp_peers"`
	BGPNetworks    []BGPNetwork        `json:"bgp_networks"`
	OSPFInstance   OSPFInstance        `json:"ospf_instance"`
	OSPFAreas      []OSPFArea          `json:"ospf_areas"`
	OSPFInterfaces []OSPFInterface     `json:"ospf_interfaces"`
	RoutingFilters []RoutingFilterRule `json:"routing_filters"`
}