package natsio

import (
	"fmt"
	"strings"

	"github.com/nats-io/nats.go"
	"github.com/thoas/go-funk"
)

// mergeAndUniqueArrayStrings ...
func mergeAndUniqueArrayStrings(arr1, arr2 []string) []string {
	var result = make([]string, 0)
	result = append(result, arr1...)
	result = append(result, arr2...)
	result = funk.UniqString(result)
	return result
}

func combineStreamAndSubjectName(stream, subject string) string {
	return fmt.Sprintf("%s.%s", stream, subject)
}

// GenerateJetStreamSubject ...
func GenerateJetStreamSubject(stream, server, subject string) string {
	return fmt.Sprintf("%s.jetstream.%s.%s", stream, server, subject)
}

// GenerateReqrepSubject ...
func GenerateReqrepSubject(stream, server, subject string) string {
	return fmt.Sprintf("%s.reqrep.%s.%s", stream, server, subject)
}

func GenerateQueueNameFromSubject(subject string) string {
	return strings.ReplaceAll(subject, ".", "_")
}

// InterfaceToBytes ...
func InterfaceToBytes(data interface{}) []byte {
	b, err := json.Marshal(data)
	if err != nil {
		fmt.Printf("[natsio.InterfaceToBytes] error: %v with data: %v\n", err, data)
	}
	return b
}

func BytesToInterface(b []byte, dest interface{}) error {
	err := json.Unmarshal(b, &dest)
	if err != nil {
		fmt.Printf("[natsio.BytesToInterface] error: %v with data: %s\n", err, string(b))
	}
	return err
}

func MsgRespond(msg *nats.Msg, data interface{}) {
	if err := msg.Respond(InterfaceToBytes(data)); err != nil {
		fmt.Printf("[natsio.MsgRespond] error when response msg %s", msg.Reply)
	}
}