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(token string, a string) []byte {
	return fetchJSON("GET", token, a)
}

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

func fetchJSON(GETorPOST string, token string, a string) []byte {
	log.Println("GOT HERE: fetchJSON(): ", GETorPOST + ": " + a)
	req, err := http.NewRequest(token, 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("X-Wit-Auth", token)

	// needed to allow 'CORS' to work
	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)

	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 {
		return false
	}

	url := ge.Account.URL + "/auth/login" + "?email=" + ge.Account.Email + "&password=" + ge.Account.Password
	json := newFetchBody(ge, "POST", url)

	jwt := gjson.Get(json, "jwt")
	if (jwt.String() == "") {
		ge.Comment = "updateToken() GOT TOKEN == nil"
		log.Println("updateToken() ge.Comment =", ge.Comment)
		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
}

// url := ge.Account.URL + "/auth/login" + "?email=" + ge.Account.Email + "&password=" + ge.Account.Password

func newFetchBody(ge *pb.Event, POSTorGET string, url string) string {
	if ge == nil {
		log.Println("newFetchBody() has ge = nil")
		ge.Comment = "newFetchBody() has ge = nil"
		return ""
	}
	if ge.Account == nil {
		log.Println("newFetchBody() has ge.Account = nil")
		ge.Comment = "newFetchBody() has ge.Account = nil"
		return ""
	}

	log.Println("newFetchBody()", POSTorGET, "URL =", url)

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

	if (POSTorGET == "POST") {
		log.Println("newFetchBody()", POSTorGET, "ADDING CORS headers")
		// needed to allow 'CORS' to work
		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")
		req.Header.Set("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8")
		req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11")
	}

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

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

	return string(body)
}

func GETbody(ge *pb.Event, URL string) string {
	// req, err := http.NewRequest("GET", ge.Account.URL + "clusters", nil)
	req, err := http.NewRequest("GET", URL, nil)
	if err != nil {
		log.Println("GETbody() can't make new req")
		return ""
	}
	req.Header.Set("X-Wit-Auth", ge.Account.Token)
	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		log.Printf("Can't exec the req to list networks: %s", err)
		return ""
	}
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		log.Println("can't read resp")
		return ""
	}
	// log.Printf("GETbody() body =", string(body))
	if body == nil {
		log.Println("networks is nil")
		return ""
	}
	/*
	len := len(body)
	err = json.Unmarshal(body, &networks)
	if err != nil {
		log.Println("body = ", body)
		log.Println("body len = ", len)
		log.Println("can't unmarshal resp for list networks: %s", err)
	}
	*/
	// spew.Dump(networks)
	return string(body)
}