package alarmsocket

import (
	"context"
	"net"
	"path/filepath"
	"strings"
	"testing"
	"time"

	"tera-clone/services/tera-api/internal/alarmdelivery"
)

func TestClientServerDeliveryRoundTrip(t *testing.T) {
	listener, err := net.Listen("unix", filepath.Join(t.TempDir(), "alarm.sock"))
	if err != nil {
		t.Fatal(err)
	}
	defer listener.Close()
	server := Server{Controller: alarmdelivery.MockController{Clock: func() time.Time {
		return time.Date(2026, 7, 23, 1, 2, 3, 0, time.UTC)
	}}}
	done := make(chan error, 1)
	go func() { done <- server.Serve(listener) }()
	client := NewClient(listener.Addr().String())
	result, err := client.Deliver(context.Background(), alarmdelivery.Request{
		Message: "test", Channels: []string{"web"}, RetryIntervalSeconds: 1, QueueLimit: 10,
	})
	if err != nil {
		t.Fatal(err)
	}
	if result.State != "delivered" || result.DeliveryID != "mock_alarm_delivery" || result.Attempts != 1 {
		t.Fatalf("delivery result = %+v", result)
	}
	_ = listener.Close()
	if err := <-done; err != nil {
		t.Fatal(err)
	}
}

func TestServerRejectsUnknownFieldsAndActions(t *testing.T) {
	for _, payload := range []string{
		`{"action":"deliver","unknown":true}` + "\n",
		`{"action":"delete"}` + "\n",
	} {
		serverSide, clientSide := net.Pipe()
		go Server{Controller: alarmdelivery.MockController{}}.handle(serverSide)
		if _, err := clientSide.Write([]byte(payload)); err != nil {
			t.Fatal(err)
		}
		buffer := make([]byte, 1024)
		count, err := clientSide.Read(buffer)
		if err != nil {
			t.Fatal(err)
		}
		_ = clientSide.Close()
		if !strings.Contains(string(buffer[:count]), "validation_failed") {
			t.Fatalf("response = %q", buffer[:count])
		}
	}
}