package ark

import (
	"net"
	"testing"
	"time"
)

func TestParsePlayers(t *testing.T) {
	got := ParsePlayers("0. Alex, the Tamer, 76561198000000001\r\n1. Bo, 76561198000000002 \n")
	if len(got) != 2 || got[0].Name != "Alex, the Tamer" || got[0].SteamID != "76561198000000001" || got[1].Name != "Bo" {
		t.Fatalf("got %+v", got)
	}
	if n := len(ParsePlayers("No Players Connected \n")); n != 0 {
		t.Fatalf("expected nobody, got %d", n)
	}
}

func TestParseChat(t *testing.T) {
	got := ParseChat("Alex (Rex Rider): hello: world\nSERVER: restarting soon\nsomething odd\n" + NoResponse + "\n")
	if len(got) != 3 {
		t.Fatalf("got %+v", got)
	}
	if a := got[0]; a.Sender != "Alex" || a.Character != "Rex Rider" || a.Message != "hello: world" || a.Server {
		t.Fatalf("player line: %+v", a)
	}
	if !got[1].Server || got[1].Message != "restarting soon" {
		t.Fatalf("server line: %+v", got[1])
	}
	if !got[2].Server || got[2].Message != "something odd" {
		t.Fatalf("odd line: %+v", got[2])
	}
	if n := len(ParseChat("[2026.01.02-03.04.05] Bo: hi")); n != 1 {
		t.Fatalf("timestamped line not parsed")
	}
}

func TestCommandsAreSafe(t *testing.T) {
	if _, err := ForPlayer("KickPlayer", "123; DoExit"); err == nil {
		t.Fatal("a non-numeric id was accepted")
	}
	c, err := ForPlayer("KickPlayer", "76561198000000001")
	if err != nil || c != "KickPlayer 76561198000000001" {
		t.Fatalf("got %q, %v", c, err)
	}
	c, err = Broadcast("hi \"there\"\nDoExit")
	if err != nil || c != "Broadcast hi 'there' DoExit" {
		t.Fatalf("got %q, %v", c, err)
	}
	if _, err := Broadcast("  \n "); err == nil {
		t.Fatal("empty message accepted")
	}
	if c, _ := SetTimeOfDay("6:30"); c != "SetTimeOfDay 6:30:00" {
		t.Fatalf("got %q", c)
	}
	if _, err := SetTimeOfDay("25:00"); err == nil {
		t.Fatal("bad time accepted")
	}
	if c, _ := ServerChatTo("76561198000000001", "hello"); c != `ServerChatTo "76561198000000001" hello` {
		t.Fatalf("got %q", c)
	}
}

func TestDuration(t *testing.T) {
	for d, want := range map[time.Duration]string{
		10 * time.Second: "10 seconds", time.Minute: "1 minute", 5 * time.Minute: "5 minutes", 3 * time.Hour: "3 hours",
	} {
		if got := Duration(d); got != want {
			t.Errorf("%v: got %q, want %q", d, got, want)
		}
	}
}

// A fake game server that asks for a challenge first, as current servers do.
func TestQuery(t *testing.T) {
	pc, err := net.ListenPacket("udp", "127.0.0.1:0")
	if err != nil {
		t.Fatal(err)
	}
	defer pc.Close()
	go func() {
		buf := make([]byte, 100)
		for {
			n, from, err := pc.ReadFrom(buf)
			if err != nil {
				return
			}
			if n == len(a2sRequest) {
				pc.WriteTo([]byte{0xff, 0xff, 0xff, 0xff, 0x41, 1, 2, 3, 4}, from)
				continue
			}
			reply := []byte{0xff, 0xff, 0xff, 0xff, 0x49, 17}
			for _, s := range []string{"Test Island - (v350.2)", "TheIsland", "ark_survival_evolved", "ARK: Survival Evolved"} {
				reply = append(append(reply, s...), 0)
			}
			reply = append(reply, 0, 0, 3, 20, 0, 'd', 'w', 0, 1, '1', '.', '0', 0)
			pc.WriteTo(reply, from)
		}
	}()
	in, err := Query(pc.LocalAddr().String(), 2*time.Second)
	if err != nil {
		t.Fatal(err)
	}
	if in.Name != "Test Island - (v350.2)" || in.Map != "TheIsland" || in.Players != 3 || in.MaxPlayers != 20 || in.Version != "350.2" {
		t.Fatalf("got %+v", in)
	}
}