// © Broadcom. All Rights Reserved.
// The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
// SPDX-License-Identifier: Apache-2.0

package object

import (
	"context"

	"github.com/vmware/govmomi/vim25"
	"github.com/vmware/govmomi/vim25/methods"
	"github.com/vmware/govmomi/vim25/types"
)

type SearchIndex struct {
	Common
}

func NewSearchIndex(c *vim25.Client) *SearchIndex {
	s := SearchIndex{
		Common: NewCommon(c, *c.ServiceContent.SearchIndex),
	}

	return &s
}

// FindByDatastorePath finds a virtual machine by its location on a datastore.
func (s SearchIndex) FindByDatastorePath(ctx context.Context, dc *Datacenter, path string) (Reference, error) {
	req := types.FindByDatastorePath{
		This:       s.Reference(),
		Datacenter: dc.Reference(),
		Path:       path,
	}

	res, err := methods.FindByDatastorePath(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}
	return NewReference(s.c, *res.Returnval), nil
}

// FindByDnsName finds a virtual machine or host by DNS name.
func (s SearchIndex) FindByDnsName(ctx context.Context, dc *Datacenter, dnsName string, vmSearch bool) (Reference, error) {
	req := types.FindByDnsName{
		This:     s.Reference(),
		DnsName:  dnsName,
		VmSearch: vmSearch,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindByDnsName(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}
	return NewReference(s.c, *res.Returnval), nil
}

// FindByInventoryPath finds a managed entity based on its location in the inventory.
func (s SearchIndex) FindByInventoryPath(ctx context.Context, path string) (Reference, error) {
	req := types.FindByInventoryPath{
		This:          s.Reference(),
		InventoryPath: path,
	}

	res, err := methods.FindByInventoryPath(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}

	r := NewReference(s.c, *res.Returnval)

	type common interface {
		SetInventoryPath(string)
	}

	if c, ok := r.(common); ok {
		c.SetInventoryPath(path)
	}

	return r, nil
}

// FindByIp finds a virtual machine or host by IP address.
func (s SearchIndex) FindByIp(ctx context.Context, dc *Datacenter, ip string, vmSearch bool) (Reference, error) {
	req := types.FindByIp{
		This:     s.Reference(),
		Ip:       ip,
		VmSearch: vmSearch,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindByIp(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}
	return NewReference(s.c, *res.Returnval), nil
}

// FindByUuid finds a virtual machine or host by UUID.
func (s SearchIndex) FindByUuid(ctx context.Context, dc *Datacenter, uuid string, vmSearch bool, instanceUuid *bool) (Reference, error) {
	req := types.FindByUuid{
		This:         s.Reference(),
		Uuid:         uuid,
		VmSearch:     vmSearch,
		InstanceUuid: instanceUuid,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindByUuid(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}
	return NewReference(s.c, *res.Returnval), nil
}

// FindChild finds a particular child based on a managed entity name.
func (s SearchIndex) FindChild(ctx context.Context, entity Reference, name string) (Reference, error) {
	req := types.FindChild{
		This:   s.Reference(),
		Entity: entity.Reference(),
		Name:   name,
	}

	res, err := methods.FindChild(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if res.Returnval == nil {
		return nil, nil
	}
	return NewReference(s.c, *res.Returnval), nil
}

// FindAllByDnsName finds all virtual machines or hosts by DNS name.
func (s SearchIndex) FindAllByDnsName(ctx context.Context, dc *Datacenter, dnsName string, vmSearch bool) ([]Reference, error) {
	req := types.FindAllByDnsName{
		This:     s.Reference(),
		DnsName:  dnsName,
		VmSearch: vmSearch,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindAllByDnsName(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if len(res.Returnval) == 0 {
		return nil, nil
	}

	var references []Reference
	for _, returnval := range res.Returnval {
		references = append(references, NewReference(s.c, returnval))
	}
	return references, nil
}

// FindAllByIp finds all virtual machines or hosts by IP address.
func (s SearchIndex) FindAllByIp(ctx context.Context, dc *Datacenter, ip string, vmSearch bool) ([]Reference, error) {
	req := types.FindAllByIp{
		This:     s.Reference(),
		Ip:       ip,
		VmSearch: vmSearch,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindAllByIp(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if len(res.Returnval) == 0 {
		return nil, nil
	}

	var references []Reference
	for _, returnval := range res.Returnval {
		references = append(references, NewReference(s.c, returnval))
	}
	return references, nil
}

// FindAllByUuid finds all virtual machines or hosts by UUID.
func (s SearchIndex) FindAllByUuid(ctx context.Context, dc *Datacenter, uuid string, vmSearch bool, instanceUuid *bool) ([]Reference, error) {
	req := types.FindAllByUuid{
		This:         s.Reference(),
		Uuid:         uuid,
		VmSearch:     vmSearch,
		InstanceUuid: instanceUuid,
	}
	if dc != nil {
		ref := dc.Reference()
		req.Datacenter = &ref
	}

	res, err := methods.FindAllByUuid(ctx, s.c, &req)
	if err != nil {
		return nil, err
	}

	if len(res.Returnval) == 0 {
		return nil, nil
	}

	var references []Reference
	for _, returnval := range res.Returnval {
		references = append(references, NewReference(s.c, returnval))
	}
	return references, nil
}