package netboxgo

import (
	"context"
	"fmt"
	"net/http"
	"net/url"
	"time"

	//	"fmt"

	"github.com/gorilla/schema"
)

type InterfacesService service

// NewInterface is used for creating a new interface
type NewInterface struct {
	CustomFields interface{} `json:"custom_fields"`
	WWN          string      `json:"wwn"`
	Label        string      `json:"label"`
	Type         string      `json:"type"`
	Cable        struct {
		Label string `json:"label"`
	} `json:"cable"`
	RFChannel    string `json:"rf_channel"`
	RFRole       string `json:"rf_role"`
	Name         string `json:"name"`
	Description  string `json:"description"`
	MACAddress   string `json:"mac_address"`
	Mode         string `json:"mode"`
	TaggedVLANs  []int  `json:"tagged_vlans"`
	WirelessLANs []int  `json:"wireless_lans"`
	Tags         []struct {
		Name  string `json:"name"`
		Slug  string `json:"slug"`
		Color string `json:"color"`
	} `json:"tags"`
	Device             int  `json:"device"`
	Parent             int  `json:"parent"`
	RFChannelFrequency int  `json:"rf_channel_frequency"`
	RFChannelWidth     int  `json:"rf_channel_width"`
	TXPower            int  `json:"tx_power"`
	UntaggedVLAN       int  `json:"untagged_vlan"`
	Bridge             int  `json:"bridge"`
	LAG                int  `json:"lag"`
	MTU                int  `json:"mtu"`
	WirelessLink       int  `json:"wireless_link"`
	Enabled            bool `json:"enabled"`
	MarkConnected      bool `json:"mark_connected"`
	MGMTOnly           bool `json:"mgmt_only"`
}

// Interfaces is a list of interfaces
type Interfaces struct {
	Next     interface{} `json:"next,omitempty"`
	Previous interface{} `json:"previous,omitempty"`
	Results  []Interface `json:"results,omitempty"`
	Count    int         `json:"count,omitempty"`
}

// Interface is one interface
type Interface struct {
	CustomFields      struct{}    `json:"custom_fields"`
	LastUpdated       time.Time   `json:"last_updated"`
	LinkPeer          interface{} `json:"link_peer"`
	ConnectedEndpoint interface{} `json:"connected_endpoint"`
	Parent            struct {
		Occupied string `json:"_occupied"`
		URL      string `json:"url"`
		Display  string `json:"display"`
		Name     string `json:"name"`
		Device   struct {
			URL     string `json:"url"`
			Display string `json:"display"`
			Name    string `json:"name"`
			ID      int    `json:"id"`
		} `json:"device"`
		Cable int `json:"cable"`
		ID    int `json:"id"`
	} `json:"parent"`
	Device struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		ID      int    `json:"id"`
	} `json:"device"`
	RFChannel struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"rf_channel"`
	RFRole struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"rf_role"`
	Type struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"type"`
	Mode struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"mode"`
	Display               string `json:"display"`
	LinkPeerType          string `json:"link_peer_type"`
	MACAddress            string `json:"mac_address"`
	WWN                   string `json:"wwn"`
	URL                   string `json:"url"`
	Description           string `json:"description"`
	ConnectedEndpointType string `json:"connected_endpoint_type"`
	Label                 string `json:"label"`
	Name                  string `json:"name"`
	Created               string `json:"created"`
	Cable                 struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Label   string `json:"label"`
		ID      int    `json:"id"`
	} `json:"cable"`
	WirelessLink struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Ssid    string `json:"ssid"`
		ID      int    `json:"id"`
	} `json:"wireless_link"`
	WirelessLANs []struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Ssid    string `json:"ssid"`
		ID      int    `json:"id"`
	} `json:"wireless_lans"`
	TaggedVLANs []struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		ID      int    `json:"id"`
		Vid     int    `json:"vid"`
	} `json:"tagged_vlans"`
	Tags []struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		Slug    string `json:"slug"`
		Color   string `json:"color"`
		ID      int    `json:"id"`
	} `json:"tags"`
	UntaggedVLAN struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		ID      int    `json:"id"`
		Vid     int    `json:"vid"`
	} `json:"untagged_vlan"`
	LAG struct {
		Occupied string `json:"_occupied"`
		URL      string `json:"url"`
		Display  string `json:"display"`
		Name     string `json:"name"`
		Device   struct {
			URL     string `json:"url"`
			Display string `json:"display"`
			Name    string `json:"name"`
			ID      int    `json:"id"`
		} `json:"device"`
		Cable int `json:"cable"`
		ID    int `json:"id"`
	} `json:"lag"`
	Bridge struct {
		Occupied string `json:"_occupied"`
		URL      string `json:"url"`
		Display  string `json:"display"`
		Name     string `json:"name"`
		Device   struct {
			URL     string `json:"url"`
			Display string `json:"display"`
			Name    string `json:"name"`
			ID      int    `json:"id"`
		} `json:"device"`
		Cable int `json:"cable"`
		ID    int `json:"id"`
	} `json:"bridge"`
	CountIPAddresses           int  `json:"count_ipaddresses"`
	MTU                        int  `json:"mtu"`
	TXPower                    int  `json:"tx_power"`
	CountFHRPGroups            int  `json:"count_fhrp_groups"`
	RFChannelFrequency         int  `json:"rf_channel_frequency"`
	ID                         int  `json:"id"`
	RFChannelWidth             int  `json:"rf_channel_width"`
	ConnectedEndpointReachable bool `json:"connected_endpoint_reachable"`
	MarkConnected              bool `json:"mark_connected"`
	MGMTOnly                   bool `json:"mgmt_only"`
	Enabled                    bool `json:"enabled"`
	Occupied                   bool `json:"_occupied"`
}

// InterfaceFilter is used to filter out returned object from Netbox API dcim_interfaces_list
type InterfaceFilter struct {
	// User specific filters
	ID               string `schema:"id,omitempty"`
	Name             string `schema:"name,omitempty"`
	ConnectionStatus string `schema:"connection_status,omitempty"`
	Type             string `schema:"type,omitempty"`
	Mtu              string `schema:"mtu,omitempty"`
	MgmtOnly         string `schema:"mgmt_only,omitempty"`
	Mode             string `schema:"mode,omitempty"`
	Description      string `schema:"description,omitempty"`
	Q                string `schema:"q,omitempty"`
	Device           string `schema:"device,omitempty"`
	DeviceID         string `schema:"device_id,omitempty"`
	Cabled           string `schema:"cabled,omitempty"`
	Kind             string `schema:"kind,omitempty"`
	LagID            string `schema:"lag_id,omitempty"`
	MacAddress       string `schema:"mac_address,omitempty"`
	Tag              string `schema:"tag,omitempty"`
	VLANID           string `schema:"vlan_id,omitempty"`
	VLAN             string `schema:"vlan,omitempty"`

	Offset int64 `schema:"offset,omitempty"`
	Limit  int64 `schema:"limit,omitempty"`
}

const interfacesPath = dcimPath + "/interfaces"

// List devices. DeviceFilter is used to list based on filter queries.
func (s *InterfacesService) List(ctx context.Context, f *InterfaceFilter) (*Interfaces, error) {
	var interfaces Interfaces
	var query string
	var req *http.Request
	var err error

	encoder := schema.NewEncoder()

	form := url.Values{}
	err = encoder.Encode(f, form)
	if err != nil {
		return &interfaces, err
	}
	query = form.Encode()

	req, err = s.client.newRequest(ctx, "GET", interfacesPath, query, nil)
	if err != nil {
		return &interfaces, err
	}

	_, err = s.client.do(req, &interfaces)
	if err != nil {
		return &interfaces, err
	}

	return &interfaces, nil
}

// Create a interfaces
func (s *InterfacesService) Create(ctx context.Context, c *NewInterface) (*Interface, error) {
	var err error
	var req *http.Request
	var nic Interface

	req, err = s.client.newRequest(ctx, "POST", interfacesPath, "", c)
	if err != nil {
		return &nic, fmt.Errorf("unable to create request: %w", err)
	}

	_, err = s.client.do(req, &nic)
	if err != nil {
		return &nic, fmt.Errorf("unable to do request: %w", err)
	}

	return &nic, nil
}

// Delete a interface
func (s *InterfacesService) Delete(ctx context.Context, i string) error {
	var err error
	var req *http.Request

	req, err = s.client.newRequest(ctx, "DELETE", interfacesPath+"/"+i+"/", "", nil)
	if err != nil {
		return fmt.Errorf("unable to create request: %w", err)
	}

	_, err = s.client.do(req, nil)
	if err != nil {
		return fmt.Errorf("unable to do request: %w", err)
	}

	return nil
}