package client

import (
_ "io"
  "fmt"
  "strings"
_ "encoding/json"
  "net/http"
)

type TaggerApi struct {
  client *http.Client
  endpoint string
}

func New(endpointUrl string) *TaggerApi {
  return &TaggerApi{
    client: &http.Client{},
    endpoint: endpointUrl,
  }
}

func (t *TaggerApi) assertReceiver() {
  if t == nil {
    panic("Method can't be called on nil receiver")
  }
}

func (t *TaggerApi) Ping() error {
  t.assertReceiver()
  resp, e := t.client.Get(fmt.Sprintf("%s/ping", t.endpoint))
  defer resp.Body.Close()
  
  return e
}

func (t *TaggerApi) AddTagResource(tagName string, resourceUrl string) error {
  t.assertReceiver()

  jsonReader := strings.NewReader(fmt.Sprintf(`{ "resource": "%s" }`, resourceUrl))
  
  resp, e := t.client.Post(fmt.Sprintf("%s/tags/%s", t.endpoint, tagName), "application/json", jsonReader)
  if e == nil {
    defer resp.Body.Close()
  }
  return e
}