package requests

import (
	"bytes"
	"errors"
	"net/http"
	"reflect"
)

func buildBodyRequest(ver, url string, params *Params) *http.Request {
	var req *http.Request
	var err error

	if params.Body == nil {
		req, err = http.NewRequest(ver, url, nil)
	} else {
		var body *bytes.Buffer
		switch params.Body.(type) {
		case []byte:
			body = bytes.NewBuffer(params.Body.([]byte))
		case *bytes.Buffer:
			body = bytes.NewBuffer(params.Body.(*bytes.Buffer).Bytes())
		default:
			panic(errors.New("the type is not exist, type is" + reflect.TypeOf(params.Body).String()))
		}

		req, err = http.NewRequest(ver, url, body)
	}

	if err != nil {
		panic(err)
	}

	if params.ContentType == "" {
		req.Header.Set("Content-Type", TypeURLENCODED)
	} else {
		req.Header.Set("Content-Type", params.ContentType)
	}

	return req

}