package natsio

import (
	"encoding/json"
	"fmt"

	"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
}

// generateSubjectNames ...
func generateSubjectNames(streamName string, subjects []string) []string {
	var result = make([]string, 0)
	for _, subject := range subjects {
		name := combineStreamAndSubjectName(streamName, subject)
		result = append(result, name)
	}
	return result
}

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

// GenerateJetStreamSubject ...
// GenerateJetStreamSubject("admin", "help_center", "get_ticket_by_id")
func GenerateJetStreamSubject(server, service, subject string) string {
	return fmt.Sprintf("%s.jetstream.%s.%s.%s", globalConfig.StreamName, server, service, subject)
}

// GenerateReqrepSubject ...
// GenerateReqrepSubject("admin", "help_center", "get_ticket_by_id")
func GenerateReqrepSubject(server, service, subject string) string {
	return fmt.Sprintf("%s.reqrep.%s.%s.%s", globalConfig.StreamName, server, service, 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, pointer interface{}) error {
	err := json.Unmarshal(b, pointer)
	if err != nil {
		fmt.Printf("[natsio.BytesToInterface] error: %v with data: %s\n", err, string(b))
	}
	return err
}