package links

// Copyright (c) Microsoft and contributors.  All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by Microsoft (R) AutoRest Code Generator.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

import (
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/to"
	"net/http"
)

// Filter enumerates the values for filter.
type Filter string

const (
	// AtScope ...
	AtScope Filter = "atScope()"
)

// ResourceLink the resource link.
type ResourceLink struct {
	autorest.Response `json:"-"`
	// ID - The fully qualified ID of the resource link.
	ID *string `json:"id,omitempty"`
	// Name - The name of the resource link.
	Name *string `json:"name,omitempty"`
	// Properties - Properties for resource link.
	Properties *ResourceLinkProperties `json:"properties,omitempty"`
}

// ResourceLinkFilter resource link filter.
type ResourceLinkFilter struct {
	// TargetID - The ID of the target resource.
	TargetID *string `json:"targetId,omitempty"`
}

// ResourceLinkProperties the resource link properties.
type ResourceLinkProperties struct {
	// SourceID - The fully qualified ID of the source resource in the link.
	SourceID *string `json:"sourceId,omitempty"`
	// TargetID - The fully qualified ID of the target resource in the link.
	TargetID *string `json:"targetId,omitempty"`
	// Notes - Notes about the resource link.
	Notes *string `json:"notes,omitempty"`
}

// ResourceLinkResult list of resource links.
type ResourceLinkResult struct {
	autorest.Response `json:"-"`
	// Value - An array of resource links.
	Value *[]ResourceLink `json:"value,omitempty"`
	// NextLink - The URL to use for getting the next set of results.
	NextLink *string `json:"nextLink,omitempty"`
}

// ResourceLinkResultIterator provides access to a complete listing of ResourceLink values.
type ResourceLinkResultIterator struct {
	i    int
	page ResourceLinkResultPage
}

// Next advances to the next value.  If there was an error making
// the request the iterator does not advance and the error is returned.
func (iter *ResourceLinkResultIterator) Next() error {
	iter.i++
	if iter.i < len(iter.page.Values()) {
		return nil
	}
	err := iter.page.Next()
	if err != nil {
		iter.i--
		return err
	}
	iter.i = 0
	return nil
}

// NotDone returns true if the enumeration should be started or is not yet complete.
func (iter ResourceLinkResultIterator) NotDone() bool {
	return iter.page.NotDone() && iter.i < len(iter.page.Values())
}

// Response returns the raw server response from the last page request.
func (iter ResourceLinkResultIterator) Response() ResourceLinkResult {
	return iter.page.Response()
}

// Value returns the current value or a zero-initialized value if the
// iterator has advanced beyond the end of the collection.
func (iter ResourceLinkResultIterator) Value() ResourceLink {
	if !iter.page.NotDone() {
		return ResourceLink{}
	}
	return iter.page.Values()[iter.i]
}

// IsEmpty returns true if the ListResult contains no values.
func (rlr ResourceLinkResult) IsEmpty() bool {
	return rlr.Value == nil || len(*rlr.Value) == 0
}

// resourceLinkResultPreparer prepares a request to retrieve the next set of results.
// It returns nil if no more results exist.
func (rlr ResourceLinkResult) resourceLinkResultPreparer() (*http.Request, error) {
	if rlr.NextLink == nil || len(to.String(rlr.NextLink)) < 1 {
		return nil, nil
	}
	return autorest.Prepare(&http.Request{},
		autorest.AsJSON(),
		autorest.AsGet(),
		autorest.WithBaseURL(to.String(rlr.NextLink)))
}

// ResourceLinkResultPage contains a page of ResourceLink values.
type ResourceLinkResultPage struct {
	fn  func(ResourceLinkResult) (ResourceLinkResult, error)
	rlr ResourceLinkResult
}

// Next advances to the next page of values.  If there was an error making
// the request the page does not advance and the error is returned.
func (page *ResourceLinkResultPage) Next() error {
	next, err := page.fn(page.rlr)
	if err != nil {
		return err
	}
	page.rlr = next
	return nil
}

// NotDone returns true if the page enumeration should be started or is not yet complete.
func (page ResourceLinkResultPage) NotDone() bool {
	return !page.rlr.IsEmpty()
}

// Response returns the raw server response from the last page request.
func (page ResourceLinkResultPage) Response() ResourceLinkResult {
	return page.rlr
}

// Values returns the slice of values for the current page or nil if there are no values.
func (page ResourceLinkResultPage) Values() []ResourceLink {
	if page.rlr.IsEmpty() {
		return nil
	}
	return *page.rlr.Value
}
