package netboxgo

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

	"github.com/gorilla/schema"
)

type SitesService service

type Sites struct {
	Count    int    `json:"count"`
	Next     string `json:"next"`
	Previous string `json:"previous"`
	Results  []Site `json:"results"`
}

type Site struct {
	ID      int    `json:"id"`
	URL     string `json:"url"`
	Display string `json:"display"`
	Name    string `json:"name"`
	Slug    string `json:"slug"`
	Status  struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"status"`
	Region struct {
		ID        int    `json:"id"`
		URL       string `json:"url"`
		Display   string `json:"display"`
		Name      string `json:"name"`
		Slug      string `json:"slug"`
		SiteCount int    `json:"site_count"`
		Depth     int    `json:"_depth"`
	} `json:"region"`
	Group struct {
		ID        int    `json:"id"`
		URL       string `json:"url"`
		Display   string `json:"display"`
		Name      string `json:"name"`
		Slug      string `json:"slug"`
		SiteCount int    `json:"site_count"`
		Depth     int    `json:"_depth"`
	} `json:"group"`
	Tenant struct {
		ID      int    `json:"id"`
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		Slug    string `json:"slug"`
	} `json:"tenant"`
	Facility        string `json:"facility"`
	Asn             int    `json:"asn"`
	TimeZone        string `json:"time_zone"`
	Description     string `json:"description"`
	PhysicalAddress string `json:"physical_address"`
	ShippingAddress string `json:"shipping_address"`
	Latitude        string `json:"latitude"`
	Longitude       string `json:"longitude"`
	ContactName     string `json:"contact_name"`
	ContactPhone    string `json:"contact_phone"`
	ContactEmail    string `json:"contact_email"`
	Comments        string `json:"comments"`
	Tags            []struct {
		ID      int    `json:"id"`
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		Slug    string `json:"slug"`
		Color   string `json:"color"`
	} `json:"tags"`
	CustomFields        struct{}  `json:"custom_fields"`
	Created             string    `json:"created"`
	LastUpdated         time.Time `json:"last_updated"`
	CircuitCount        int       `json:"circuit_count"`
	DeviceCount         int       `json:"device_count"`
	PrefixCount         int       `json:"prefix_count"`
	RackCount           int       `json:"rack_count"`
	VirtualmachineCount int       `json:"virtualmachine_count"`
	VlanCount           int       `json:"vlan_count"`
}

// SiteFilter is used to filter out returned object from Netbox API tenancy_tenants_list
type SiteFilter struct {
	Offset int64 `schema:"offset,omitempty"`
	Limit  int64 `schema:"limit,omitempty"`

	// User specific filters
	Name    string `schema:"name,omitempty"`
	ID      string `schema:"id,omitempty"`
	Slug    string `schema:"slug,omitempty"`
	Group   string `schema:"group,omitempty"`
	GroupID string `schema:"group_id,omitempty"`
	IDIn    string `schema:"id__in,omitempty"`
	Q       string `schema:"q,omitempty"`
	Tag     string `schema:"tag,omitempty"`
}

const sitesPath = "/dcim/sites"

// List sites. SiteFilter is used to list based on filter queries.
func (s *SitesService) List(ctx context.Context, f *SiteFilter) (*Sites, error) {
	var sites Sites
	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 &sites, err
	}
	query = form.Encode()

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

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

	return &sites, nil
}

// Get a Site based on id
func (s *SitesService) Get(ctx context.Context, id string) (*Site, error) {
	var site Site

	var err error

	path := fmt.Sprintf("%s/%s", sitesPath, id)

	req, err := s.client.newRequest(ctx, "GET", path, "", nil)
	if err != nil {
		return &site, err
	}

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

	return &site, err
}

// // Create a site
// func (s *SitesService) Create(ctx context.Context, c *NewSite) error {
// 	var err error
// 	var req *http.Request

// 	req, err = s.client.newRequest(ctx, "POST", sitesPath, "", c)
// 	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
// }

// // Update a device
// func (s *SitesService) Update(ctx context.Context, id string, c *UpdateDevice) error {
// 	var req *http.Request
// 	var err error

// 	path := fmt.Sprintf("%s/%s", sitesPath, id)

// 	req, err = s.client.newRequest(ctx, "PATCH", path, "", c)
// 	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
// }