package model

import (
	"testing"
	"time"
)

func TestEvent_ToJSON(t *testing.T) {
	e := &Event{
		EventID:    "uuid-123",
		UserID:     100,
		StarID:     1,
		EventType:  "asset.like",
		OccurredAt: time.Unix(1700000000, 0),
		ReceivedAt: time.Unix(1700000001, 0),
		Properties: map[string]string{"asset_id": "456"},
	}
	j := e.ToJSON()
	if j["event_id"] != "uuid-123" {
		t.Fatal("event_id mismatch")
	}
	if j["user_id"].(int64) != 100 {
		t.Fatal("user_id mismatch")
	}
	if j["event_type"] != "asset.like" {
		t.Fatal("event_type mismatch")
	}
	if j["properties"].(map[string]string)["asset_id"] != "456" {
		t.Fatal("properties mismatch")
	}
	if j["occurred_at"].(int64) != 1700000000*1000 {
		t.Fatalf("occurred_at millis = %v, want %d", j["occurred_at"], 1700000000*1000)
	}
}

func TestEvent_ToJSON_EmptyProperties(t *testing.T) {
	e := &Event{EventID: "e1"}
	j := e.ToJSON()
	if j["properties"] == nil {
		t.Fatal("properties should not be nil")
	}
}