// NextPay.IR Go Sample
// docs : https://nextpay.org/nx/docs

////////////
// step 1 //
////////////


package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://nextpay.org/nx/gateway/token"
  method := "POST"

  payload := strings.NewReader("api_key=b11ee9c3-d23d-414e-8b6e-f2370baac97b&amount=74250&order_id=85NX85s427&customer_phone=09121234567&custom_json_fields=%7B%20%22productName%22%3A%22Shoes752%22%20%2C%20%22id%22%3A52%20%7D&callback_uri=https%3A%2F%2FyourWebsite.com%2Fcallback")

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}


////////////
// step 5 //
////////////


package main

import (
  "fmt"
  "strings"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://nextpay.org/nx/gateway/verify"
  method := "POST"

  payload := strings.NewReader("api_key=b11ee9c3-d23d-414e-8b6e-f2370baac97b&amount=74250&trans_id=f7c07568-c6d1-4bee-87b1-4a9e5ed2e4c1")

  client := &http.Client {
  }
  req, err := http.NewRequest(method, url, payload)

  if err != nil {
    fmt.Println(err)
    return
  }
  req.Header.Add("Content-Type", "application/x-www-form-urlencoded")

  res, err := client.Do(req)
  if err != nil {
    fmt.Println(err)
    return
  }
  defer res.Body.Close()

  body, err := ioutil.ReadAll(res.Body)
  if err != nil {
    fmt.Println(err)
    return
  }
  fmt.Println(string(body))
}