package main

import (
  "context"
  "os"

  "github.com/vultr/govultr/v3"
  "golang.org/x/oauth2"
)

func main() {
  apiKey := os.Getenv("VultrAPIKey")

  config := &oauth2.Config{}
  ctx := context.Background()
  ts := config.TokenSource(ctx, &oauth2.Token{AccessToken: apiKey})
  vultrClient := govultr.NewClient(oauth2.NewClient(ctx, ts))

  // Optional changes
  _ = vultrClient.SetBaseURL("https://api.vultr.com")
  vultrClient.SetUserAgent("mycool-app")
  vultrClient.SetRateLimit(500)
}

instanceOptions := &govultr.InstanceCreateReq{
  Label:                "awesome-go-app",
  Hostname:             "awesome-go.com",
  Backups:              "enabled",
  EnableIPv6:           BoolToBoolPtr(false),
  OsID:                 362,
  Plan:                 "vc2-1c-2gb",
  Region:               "ewr",
}

res, err := vultrClient.Instance.Create(context.Background(), instanceOptions)

if err != nil {
  fmt.Println(err)
}

// Meta represents the available pagination information
type Meta struct {
  Total int `json:"total"`
  Links *Links
}

// Links represent the next/previous cursor in your pagination calls
type Links struct {
  Next string `json:"next"`
  Prev string `json:"prev"`
}

listOptions := &govultr.ListOptions{PerPage: 1}
for {
    i, meta, err := client.Instance.List(ctx, listOptions)
    if err != nil {
        return nil, err
    }
    for _, v := range i {
        fmt.Println(v)
    }

    if meta.Links.Next == "" {
        break
    } else {
        listOptions.Cursor = meta.Links.Next
        continue
    }
}