package server

import (
	"fmt"
	"io/ioutil"
	"local/s2sa/s2sa/logg"
	"local/s2sa/s2sa/server/router"
	"local/s2sa/s2sa/services"
	"local/s2sa/s2sa/storage"
	"net/http"
	"net/http/httptest"
	"os"
	"strings"
	"testing"
)

func TestServerStart(t *testing.T) {
	server, _, _ := mockServer()

	checked := false
	if err := server.Add("/hello/world", func(_ http.ResponseWriter, _ *http.Request) {
		checked = true
	}); err != nil {
		t.Fatalf("cannot add route: %v", err)
	}

	go func() {
		if err := server.Run(); err != nil {
			t.Fatalf("err running server: %v", err)
		}
	}()

	if resp, err := http.Get("http://localhost" + server.addr + "/hello/world"); err != nil {
		t.Errorf("failed to get: %v", err)
	} else if resp.StatusCode != 200 {
		t.Errorf("wrong status: %v", resp.StatusCode)
	} else if !checked {
		t.Errorf("didnt hit handler")
	}
}

func mockServer() (*Server, string, string) {
	f, _ := os.Open(os.DevNull)
	logg.ConfigFile(f)
	portServer := httptest.NewServer(nil)
	port := strings.Split(portServer.URL, ":")[2]
	portServer.Close()
	s := &Server{
		router: router.New(),
		db:     services.New(storage.NewMap()),
		authdb: services.New(storage.NewMap()),
		addr:   ":" + port,
	}
	s.authdb.Register(serverNS)
	if err := s.Routes(); err != nil {
		panic(fmt.Sprintf("cannot initiate server routes; %v", err))
	}

	defaultName := "name"
	if err := s.db.Register(defaultName); err != nil {
		panic(fmt.Sprintf("cannot register: %v", err))
	}
	token, err := s.db.New("name", "to")
	if err != nil {
		panic(fmt.Sprintf("cannot generate: %v", err))
	}
	defaultAccessor := token.Accessor
	return s, defaultName, defaultAccessor
}

func TestServerAdd(t *testing.T) {
	server, _, _ := mockServer()
	path := "/hello/world"
	if err := server.Add(path, echoHTTP); err != nil {
		t.Fatalf("cannot add path: %v", err)
	}
	w := httptest.NewRecorder()
	r, _ := http.NewRequest("GET", path, nil)
	server.ServeHTTP(w, r)
	b, err := ioutil.ReadAll(w.Body)
	if err != nil {
		t.Fatalf("cannot read body: %v", err)
	}
	if string(b) != path {
		t.Errorf("cannot hit endpoint: %s", b)
	}
}