package client

import (
	"bytes"
	"io/ioutil"
	"mime/multipart"
	"net/http"
	"net/url"
	"strings"
)

const (
	Post = "POST"
	Get  = "GET"
)

var client = &http.Client{}

func Request(method, url, data string, headers ...map[string]string) ([]byte, error) {
	reqest, err := http.NewRequest(method, url, strings.NewReader(data))
	if err != nil {
		return nil, err
	}
	if len(headers) > 0 {
		for key, value := range headers[0] {
			reqest.Header.Add(key, value)
		}
	}
	response, err := client.Do(reqest)
	if err != nil {
		return nil, err
	}
	defer response.Body.Close()
	result, err := ioutil.ReadAll(response.Body)
	if err != nil {
		return nil, err
	}
	return result, nil

}

func RequestFormData(url string, data url.Values, headers ...map[string]string) ([]byte, error) {
	read := &bytes.Buffer{}
	write := multipart.NewWriter(read)

	for key, value := range data {
		for _, val := range value {
			write.WriteField(key, val)
		}
	}
	write.Close()
	reqest, err := http.NewRequest("POST", url, read)
	if err != nil {
		return nil, err
	}
	if len(headers) > 0 {
		if _, ok := headers[0]["Content-Type"]; ok {
			headers[0]["Content-Type"] = write.FormDataContentType()
		} else {
			reqest.Header.Add("Content-Type", write.FormDataContentType())
		}
		for key, value := range headers[0] {
			reqest.Header.Add(key, value)
		}
	} else {
		reqest.Header.Add("Content-Type", write.FormDataContentType())
	}
	reqest.Header.Add("X-Recook-System", "recookapi")
	response, err := client.Do(reqest)
	if err != nil {
		return nil, err
	}
	defer response.Body.Close()
	result, err := ioutil.ReadAll(response.Body)
	if err != nil {
		return nil, err
	}
	return result, nil

}