package netboxgo

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

	"github.com/gorilla/schema"
)

type VirtualMachinesService service

// VirtualMachines is a list of virtual-machines
type VirtualMachines struct {
	Next     interface{}      `json:"next"`
	Previous interface{}      `json:"previous"`
	Results  []VirtualMachine `json:"results"`
	Count    int              `json:"count"`
}

// VirtualMachine is one virtual-machine
type VirtualMachine struct {
	CustomFields interface{} `json:"custom_fields"`
	LastUpdated  time.Time   `json:"last_updated"`
	Tenant       struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		Slug    string `json:"slug"`
		ID      int    `json:"id"`
	} `json:"tenant"`
	Site struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Name    string `json:"name"`
		Slug    string `json:"slug"`
		ID      int    `json:"id"`
	} `json:"site"`
	PrimaryIP6 struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Address string `json:"address"`
		ID      int    `json:"id"`
		Family  int    `json:"family"`
	} `json:"primary_ip6"`
	PrimaryIP struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Address string `json:"address"`
		ID      int    `json:"id"`
		Family  int    `json:"family"`
	} `json:"primary_ip"`
	PrimaryIP4 struct {
		URL     string `json:"url"`
		Display string `json:"display"`
		Address string `json:"address"`
		ID      int    `json:"id"`
		Family  int    `json:"family"`
	} `json:"primary_ip4"`
	ConfigContext interface{} `json:"config_context"`
	Status        struct {
		Label string `json:"label"`
		Value string `json:"value"`
	} `json:"status"`
	URL              string `json:"url"`
	Name             string `json:"name"`
	Display          string `json:"display"`
	Created          string `json:"created"`
	Comments         string `json:"comments"`
	LocalContextData string `json:"local_context_data"`
	Cluster          struct {
		URL                 string `json:"url"`
		Display             string `json:"display"`
		Name                string `json:"name"`
		ID                  int    `json:"id"`
		VirtualmachineCount int    `json:"virtualmachine_count"`
	} `json:"cluster"`
	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"`
	Platform struct {
		URL                 string `json:"url"`
		Display             string `json:"display"`
		Name                string `json:"name"`
		Slug                string `json:"slug"`
		ID                  int    `json:"id"`
		DeviceCount         int    `json:"device_count"`
		VirtualmachineCount int    `json:"virtualmachine_count"`
	} `json:"platform"`
	Role struct {
		URL                 string `json:"url"`
		Display             string `json:"display"`
		Name                string `json:"name"`
		Slug                string `json:"slug"`
		ID                  int    `json:"id"`
		DeviceCount         int    `json:"device_count"`
		VirtualmachineCount int    `json:"virtualmachine_count"`
	} `json:"role"`
	Disk   int `json:"disk"`
	Memory int `json:"memory"`
	Vcpus  int `json:"vcpus"`
	ID     int `json:"id"`
}

// NewVirtualMachine is used to create new VirtualizationVirtualMachines
type NewVirtualMachine struct {
	LocalContextData interface{} `json:"local_context_data,omitempty"`
	CustomFields     *struct{}   `json:"custom_fields,omitempty"`
	Tags             *[]struct {
		Name  string `json:"name,omitempty"`
		Slug  string `json:"slug,omitempty"`
		Color string `json:"color,omitempty"`
	} `json:"tags,omitempty"`
	Status     string `json:"status"`
	Comments   string `json:"comments,omitempty"`
	Name       string `json:"name"`
	PrimaryIP4 int    `json:"primary_ip4,omitempty"`
	Platform   int    `json:"platform,omitempty"`
	VCPUs      int    `json:"vcpus,omitempty"`
	Memory     int    `json:"memory,omitempty"`
	Disk       int    `json:"disk,omitempty"`
	Role       int    `json:"role,omitempty"`
	Cluster    int    `json:"cluster,omitempty"`
	Tenant     int    `json:"tenant,omitempty"`
	PrimaryIP6 int    `json:"primary_ip6,omitempty"`
}

// VirtualMachineFilter is used to filter dcim_device_list query to the Netbox API
type VirtualMachineFilter struct {
	// User specific filters
	ID                  string `schema:"id,omitempty"`
	Name                string `schema:"name,omitempty"`
	AssetTag            string `schema:"asset_tag,omitempty"`
	Face                string `schema:"face,omitempty"`
	Position            string `schema:"position,omitempty"`
	VcPosition          string `schema:"vc_position,omitempty"`
	VcPriority          string `schema:"vc_priority,omitempty"`
	TenantGroupID       string `schema:"tenant_group_id,omitempty"`
	TenantGroup         string `schema:"tenant_group,omitempty"`
	TenantID            string `schema:"tenant_id,omitempty"`
	Tenant              string `schema:"tenant,omitempty"`
	IDIn                string `schema:"id__in,omitempty"`
	Q                   string `schema:"q,omitempty"`
	ManufacturerID      string `schema:"manufacturer_id,omitempty"`
	Manufacturer        string `schema:"manufacturer,omitempty"`
	DeviceTypeID        string `schema:"device_type_id,omitempty"`
	RoleID              string `schema:"role_id,omitempty"`
	Role                string `schema:"role,omitempty"`
	RegionID            string `schema:"region_id,omitempty"`
	Region              string `schema:"region,omitempty"`
	SiteID              string `schema:"site_id,omitempty"`
	Site                string `schema:"site,omitempty"`
	RackGroupID         string `schema:"rack_group_id,omitempty"`
	RackID              string `schema:"rack_id,omitempty"`
	ClusterID           string `schema:"cluster_id,omitempty"`
	Model               string `schema:"model,omitempty"`
	Status              string `schema:"status,omitempty"`
	IsfullDepth         string `schema:"is_full_depth,omitempty"`
	MacAddress          string `schema:"mac_address,omitempty"`
	Serial              string `schema:"serial,omitempty"`
	HasPrimaryIP        string `schema:"has_primary_ip,omitempty"`
	VirtualChassiID     string `schema:"virtual_chassis_id,omitempty"`
	VirtualChassiMember string `schema:"virtual_chassis_member,omitempty"`
	ConsolePorts        string `schema:"console_ports,omitempty"`
	ConsoleServerPorts  string `schema:"console_server_ports,omitempty"`
	PowerPorts          string `schema:"power_ports,omitempty"`
	PowerOutlets        string `schema:"power_outlets,omitempty"`
	Interfaces          string `schema:"interfaces,omitempty"`
	PassThroughPorts    string `schema:"pass_through_ports,omitempty"`
	Tag                 string `schema:"tag,omitempty"`

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

const virtualMachinesPath = virtualizationPath + "/virtual-machines/"

// List secrets. SecretsFilter is used to list based on filter queries.
func (s *VirtualMachinesService) List(ctx context.Context, f *VirtualMachineFilter) (*VirtualMachines, error) {
	var virtualMachines VirtualMachines
	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 &virtualMachines, err
	}
	query = form.Encode()

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

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

	return &virtualMachines, nil
}

// Create a virtual-machine
func (s *VirtualMachinesService) Create(ctx context.Context, c *NewVirtualMachine) (*VirtualMachine, error) {
	var err error
	var req *http.Request
	var virtualMachine VirtualMachine

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

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

	return &virtualMachine, nil
}

// Delete a virtual-machine
func (s *VirtualMachinesService) Delete(ctx context.Context, i string) error {
	var err error
	var req *http.Request

	req, err = s.client.newRequest(ctx, "DELETE", virtualMachinesPath+"/"+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
}