package main

import "net/http"
import "io/ioutil"
import "log"
import "bytes"

import "github.com/tidwall/gjson"
import pb "git.wit.com/wit/witProtobuf"

func fetchGET(tok string, a string) []byte {
	return fetchJSON("GET", tok, a)
}

func fetchPOST(tok string, a string) []byte {
	return fetchJSON("POST", tok, a)
}

func fetchJSON(GETorPOST string, token string, a string) []byte {
	log.Println("GOT HERE: fetchJSON(): ", GETorPOST + ": " + API + a)
	req, err := http.NewRequest(token, API + a, nil)
	if err != nil { log.Fatal("can't make new req") }
	// always set X-Wit-Auth even on token request
	if (token == "") {
		token = "badtoken"
	}

	req.Header.Set("Access-Control-Allow-Origin", "*")
	req.Header.Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
	req.Header.Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")

	log.Println("GOT HERE: fetchJSON(): token =", token)

	req.Header.Set("X-Wit-Auth", token)
	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil { log.Println("Can't exec the req to list networks: %s", err) }
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil { log.Fatal("can't read resp") }
	log.Println("GOT HERE: fetchJSON() body =", string(body))
	return body
}

func updateToken(ge *pb.Event) bool {
	if ge == nil {
		log.Println("updateToken() has ge = nil")
		ge.Comment = "updateToken() has ge = nil"
		return false
	}
	if ge.Account == nil {
		log.Println("updateToken() has ge.Account = nil")
		ge.Comment = "updateToken() has ge.Account = nil"
		return false
	}

	url := ge.Account.URL + "/auth/login" + "?email=" + ge.Account.Email + "&password=" + ge.Account.Password
	log.Println("updateToken() URL =", url)

	var jsonStr = []byte(`{}`)
	req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("X-Wit-Auth", "tokenrequest")

	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		log.Println(err)
		ge.Comment = err.Error()
		return false
	}
	defer resp.Body.Close()

	body, _ := ioutil.ReadAll(resp.Body)
	log.Println("updateToken() response Body:", string(body))
	log.Println("updateToken() response Status:", resp.Status)
	log.Println("updateToken() response Headers:", resp.Header)

	json := string(body)
	jwt := gjson.Get(json, "jwt")
	if (jwt.String() == "") {
		log.Println("updateToken() GOT TOKEN == nil")
		ge.Comment = string(body)
		return false
	}
	if (jwt.String() != ge.Account.Token) {
		log.Println("updateToken() GOT NEW TOKEN", jwt)
		ge.Account.Token = jwt.String()
	}
	log.Println("updateToken() END")
	return true
}