package main

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

const _accessKeyId string = "LTAI5tGjnZY6k799BHxhmqcm"
const _accessKeySecret string = "eU1DmULbgHe2dnIg3P93634PO2vEh5"
const _addr string = ":8081"

func smsHandler(w http.ResponseWriter, r *http.Request) {
	defer r.Body.Close()
	body, err := io.ReadAll(r.Body)
	if err != nil {
		http.Error(w, err.Error()+"\n访问 /help 查看使用帮助", http.StatusInternalServerError)
	}

	if err := SendSMS(&body); err != nil {
		http.Error(w, err.Error()+"\n访问 /help 查看使用帮助", http.StatusInternalServerError)
	}

	fmt.Fprintf(w, "success")
}

func helpHandler(w http.ResponseWriter, r *http.Request) {
	content, err := ioutil.ReadFile("./help.html")
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
	}

	w.Header().Set("Content-Type", "text/html; charset=utf-8")
	w.Write(content)
}

func main() {
	http.HandleFunc("/sms", smsHandler)
	http.HandleFunc("/help", helpHandler)
	log.Fatal(http.ListenAndServe(_addr, nil))
}