package leaf

import (
	"encoding/json"
	"io"
	"net/http/httptest"
	"testing"
	"time"
)

func TestStartInProcess(t *testing.T) {
	n, err := Start("")
	if err != nil {
		t.Fatal(err)
	}
	defer n.Shutdown()
	if n.Addr() == "" {
		t.Fatal("empty addr")
	}
}

func TestParseHubLeafScheme(t *testing.T) {
	u, err := ParseHub("nats-leaf://10.10.10.21:7422")
	if err != nil {
		t.Fatal(err)
	}
	if u.Scheme != "nats" {
		t.Fatalf("scheme %s", u.Scheme)
	}
	if u.Host != "10.10.10.21:7422" {
		t.Fatalf("host %s", u.Host)
	}
}

func TestHealthHandler(t *testing.T) {
	srv := httptest.NewServer(HealthHandler())
	defer srv.Close()
	resp, err := srv.Client().Get(srv.URL + "/health")
	if err != nil {
		t.Fatal(err)
	}
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	var m map[string]any
	if err := json.Unmarshal(body, &m); err != nil {
		t.Fatal(err)
	}
	if m["ok"] != true || m["service"] != "sm-leaf" {
		t.Fatalf("health %s", body)
	}
}

func TestSMSubjectsAck(t *testing.T) {
	n, err := Start("")
	if err != nil {
		t.Fatal(err)
	}
	defer n.Shutdown()
	cases := map[string]string{
		"verae.sm.send":        `{"accepted":true}`,
		"verae.sm.dead":        `{"queued":true}`,
		"verae.sm.error":       `{"emitted":true}`,
		"verae.sm.log.summary": `{"logged":true}`,
	}
	for subj, want := range cases {
		msg, err := n.nc.Request(subj, []byte(`{"lookup_id":"t"}`), time.Second)
		if err != nil {
			t.Fatalf("%s: %v", subj, err)
		}
		if string(msg.Data) != want {
			t.Fatalf("%s got %s want %s", subj, msg.Data, want)
		}
	}
}