package common

import (
	"encoding/json"

	"github.com/pkg/errors"
)

// Event is the generic structure for events sent over Kafka
type Event struct {
	Topic   string  `json:"topic"`
	Key     string  `json:"key"`
	Payload Message `json:"payload"`
}

// EventRawJSON is Event (see above) but keeps payload as raw data
type EventRawJSON struct {
	Topic   string          `json:"topic"`
	Key     string          `json:"key"`
	Payload json.RawMessage `json:"payload"`
}

func (e *EventRawJSON) Marshal() ([]byte, error) {
	data, err := json.Marshal(*e)
	return data, errors.WithStack(err)
}

func (e *EventRawJSON) Unmarshal(data []byte) error {
	err := json.Unmarshal(data, e)
	return errors.WithStack(err)
}