package netboxgo

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

	"github.com/gorilla/schema"
)

type DeviceTypesService service

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

type DeviceType struct {
	ID           int    `json:"id"`
	URL          string `json:"url"`
	Manufacturer struct {
		ID              int    `json:"id"`
		URL             string `json:"url"`
		Name            string `json:"name"`
		Slug            string `json:"slug"`
		DevicetypeCount int    `json:"devicetype_count"`
	} `json:"manufacturer"`
	Model         string `json:"model"`
	Slug          string `json:"slug"`
	DisplayName   string `json:"display_name"`
	PartNumber    string `json:"part_number"`
	UHeight       int    `json:"u_height"`
	IsFullDepth   bool   `json:"is_full_depth"`
	SubdeviceRole struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"subdevice_role"`
	FrontImage string `json:"front_image"`
	RearImage  string `json:"rear_image"`
	Comments   string `json:"comments"`
	Tags       []struct {
		ID    int    `json:"id"`
		URL   string `json:"url"`
		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"`
	DeviceCount  int       `json:"device_count"`
}

// DeviceTypeFilter is used to filter dcim_device_types_list query to the Netbox API
type DeviceTypeFilter struct {
	Offset int64 `schema:"offset,omitempty"`
	Limit  int64 `schema:"limit,omitempty"`

	// User specific filters
	ID          string `schema:"id,omitempty"`
	Model       string `schema:"model,omitempty"`
	Slug        string `schema:"slug,omitempty"`
	PartNumber  string `schema:"part_number,omitempty"`
	AssetTag    string `schema:"asset_tag,omitempty"`
	UHeight     string `schema:"u_height,omitempty"`
	IsFullDepth string `schema:"is_full_depth,omitempty"`
	Tag         string `schema:"tag,omitempty"`
}

const deviceTypesPath = "/dcim/device-types"

// List device-types. DeviceTypeFilter is used to list based on filter queries.
func (s *DeviceTypesService) List(ctx context.Context, f *DeviceTypeFilter) (*DeviceTypes, error) {
	var devicetypes DeviceTypes
	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 &devicetypes, err
	}
	query = form.Encode()

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

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

	return &devicetypes, nil
}

// // Create a device
// func (s *DeviceTypesService) Create(ctx context.Context, c *NewDeviceType) error {
// 	var err error
// 	var req *http.Request

// 	req, err = s.client.newRequest(ctx, "POST", deviceTypesPath, "", 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 *DeviceTypesService) Update(ctx context.Context, id string, c *UpdateDevice) error {
// 	var req *http.Request
// 	var err error

// 	path := fmt.Sprintf("%s/%s", deviceTypesPath, 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
// }
// // ListDeviceTypes method returns dcim_device_types_list from Netbox API
// func (n *NetBox) ListDeviceTypes(d *DeviceTypes, f *DeviceTypeFilter) error {
// 	encoder := schema.NewEncoder()

// 	transport := &http.Transport{
// 		TLSClientConfig: &tls.Config{InsecureSkipVerify: n.InsecureSkipVerify},
// 	}
// 	timeout := time.Duration(60 * time.Second)
// 	client := &http.Client{
// 		Timeout:   timeout,
// 		Transport: transport,
// 	}
// 	deviceurl := n.RootURL + "/api/dcim/device-types/"
// 	if f != nil {
// 		form := url.Values{}
// 		err := encoder.Encode(f, form)
// 		if err != nil {
// 			return err
// 		}
// 		query := form.Encode()
// 		deviceurl = deviceurl + "?" + query
// 	}
// 	var request *http.Request
// 	var err error
// 	request, err = http.NewRequest("GET", deviceurl, nil)
// 	if err != nil {
// 		return err
// 	}
// 	request.Header.Add("Accept", "application/json")
// 	request.Header.Add("Authorization", " Token "+n.Token)
// 	response, err := client.Do(request)
// 	if err != nil {
// 		return err
// 	}

// 	if response.StatusCode != http.StatusOK {
// 		return errors.Errorf("Error: response was: %d should be %d (%s)\n", response.StatusCode, http.StatusOK, deviceurl)
// 	}

// 	data, err := ioutil.ReadAll(response.Body)
// 	if err != nil {
// 		return err
// 	}

// 	err = response.Body.Close()
// 	if err != nil {
// 		return err
// 	}

// 	err = json.Unmarshal(data, &d)
// 	if err != nil {
// 		return err
// 	}
// 	return nil
// }