package netboxgo

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

	"github.com/gorilla/schema"
)

type TenantsService service

// NewTenant is used for the return values from Netbox API tenancy_tenants_create
type NewTenant struct {
	Name         string   `json:"name"`
	Slug         string   `json:"slug"`
	Group        int      `json:"group"`
	Description  string   `json:"description"`
	Comments     string   `json:"comments"`
	Tags         []string `json:"tags"`
	CustomFields struct{} `json:"custom_fields"`
}

// Tenants is used for the return value from NetBox API tenancy_tenants_list
type Tenants struct {
	Count    int         `json:"count"`
	Next     string      `json:"next"`
	Previous interface{} `json:"previous"`
	Results  []struct {
		ID    int    `json:"id"`
		Name  string `json:"name"`
		Slug  string `json:"slug"`
		Group struct {
			ID   int    `json:"id"`
			URL  string `json:"url"`
			Name string `json:"name"`
			Slug string `json:"slug"`
		} `json:"group"`
		Description  string        `json:"description"`
		Comments     string        `json:"comments"`
		Tags         []interface{} `json:"tags"`
		CustomFields struct {
			AccountNumber   string      `json:"account_number"`
			AtlasCustNumber interface{} `json:"atlas_cust_number"`
			TextField       interface{} `json:"text_field"`
		} `json:"custom_fields"`
		Created             string      `json:"created"`
		LastUpdated         time.Time   `json:"last_updated"`
		CircuitCount        interface{} `json:"circuit_count"`
		DeviceCount         int         `json:"device_count"`
		IpaddressCount      interface{} `json:"ipaddress_count"`
		PrefixCount         int         `json:"prefix_count"`
		RackCount           interface{} `json:"rack_count"`
		SiteCount           int         `json:"site_count"`
		VirtualmachineCount interface{} `json:"virtualmachine_count"`
		VlanCount           int         `json:"vlan_count"`
		VrfCount            interface{} `json:"vrf_count"`
	} `json:"results"`
}

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

	// User specific filters
	Name    string `schema:"name,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 tenantsPath = "/tenancy/tenants"

// List tenants. TenantFilter is used to list based on filter queries.
func (s *TenantsService) List(ctx context.Context, f *TenantFilter) (*Tenants, error) {
	var tenants Tenants
	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 &tenants, err
	}
	query = form.Encode()

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

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

	return &tenants, nil
}

// Create a tenant
func (s *TenantsService) Create(ctx context.Context, c *NewTenant) error {
	var err error
	var req *http.Request

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

// 	path := fmt.Sprintf("%s/%s", tenantsPath, 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
// }