package client

import (
	"local/dynamodb/server/config"
	"local/dynamodb/server/serve"
	"net/http/httptest"
	"os"
	"strings"
	"testing"
)

func TestAll(t *testing.T) {
	validKey := "key"
	validValue := "value"

	servers := []*serve.Server{}
	addresses := []string{}
	for i := 0; i < 10; i++ {
		s := newServer(t)
		servers = append(servers, s)
		addresses = append(addresses, "http://localhost"+s.Port)
		go s.Run()
	}

	client, err := New(addresses...)
	if err != nil {
		t.Fatalf("cannot make client: %v", err)
	}

	if err := client.Set(validKey, []byte(validValue)); err != nil {
		t.Fatalf("cannot set with client: %v", err)
	}

	if v, err := client.Get(validKey); err != nil {
		t.Fatalf("cannot get with client: %v", err)
	} else if string(v) != validValue {
		t.Fatalf("wrong get with client: got %q, want %q", v, validValue)
	}
}

func newServer(t *testing.T) *serve.Server {
	os.Setenv("DB", "MAP")
	os.Setenv("PORT", getPort())
	if err := config.New(); err != nil {
		t.Fatal(err)
	}
	s := serve.New()
	if err := s.Routes(); err != nil {
		t.Fatal(err)
	}
	return s
}

func getPort() string {
	s := httptest.NewServer(nil)
	s.Close()
	return s.URL[strings.LastIndex(s.URL, ":"):]
}