package holidays

import (
	"io/ioutil"
	"net/http"
	"net/url"
	"strconv"
	"strings"
)

const hostUrl = "http://api.tianapi.com/jiejiari/index?"
const key = "f2599751017c50b91d6f31261ce6dbc0"
const yearType = 1
const mouthTyoe = 2

var HolidaysApi = &holidaysApi{}

type holidaysApi struct {
}

func (h *holidaysApi) GetHolidays(year string) (string, error) {
	request, err := h.request("get", hostUrl+url.Values{
		"key":  {key},
		"type": {strconv.Itoa(yearType)},
		"date": {year + "-01-01"},
	}.Encode(), "")
	if err != nil {
		return "", err
	}
	return request, nil
}

// @Style 网络请求
func (h *holidaysApi) request(method string, host string, data string, headers ...*map[string]string) (string, error) {
	client := &http.Client{}
	method = strings.ToUpper(method)

	req, err := http.NewRequest(method, host, strings.NewReader(data))
	if err != nil {
		return "", err
	}
	if len(headers) > 0 {
		for key, value := range *headers[0] {
			req.Header.Add(key, value)
		}
	}
	resp, err := client.Do(req)
	if err != nil {
		return "", err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return "", err
	}
	return string(body), nil
}