package supporter

import (
	"encoding/json"
	"errors"

	"miku/users"

	"github.com/google/uuid"
)

func MapToStruct(toStructMap map[string]any) (users.VLESSUsers, error) {
	var vlessUsers users.VLESSUsers
	inbounds, ok := toStructMap["inbounds"].([]any)
	if !ok || len(inbounds) == 0 {
		return nil, errors.New("нет inbounds")
	}
	firstInbound, ok := inbounds[0].(map[string]any)
	if !ok || len(firstInbound) == 0 {
		return nil, errors.New("неизвестный формат inbound")
	}
	usedMap, ok := firstInbound["users"].([]any)
	if !ok || len(usedMap) == 0 {
		return nil, errors.New("неизвестный формат пользователей")
	}
	for _, curretMap := range usedMap {
		userMap := curretMap.(map[string]any)
		vlessUsers = append(vlessUsers, struct {
			Name string    "json:\"name\""
			UUID uuid.UUID "json:\"uuid\""
		}{
			Name: userMap["name"].(string),
			UUID: uuid.MustParse(userMap["uuid"].(string)),
		})
	}
	return vlessUsers, nil
}

func StructToConfig(vlessUsers users.VLESSUsers, configMap map[string]any) (map[string]any, error) {
	var toInterface []map[string]any
	newConfigMap := configMap
	structJson, err := json.Marshal(vlessUsers)
	if err != nil {
		return nil, err
	}
	err = json.Unmarshal(structJson, &toInterface)
	if err != nil {
		return nil, err
	}
	newConfigMap["inbounds"].([]any)[0].(map[string]any)["users"] = toInterface
	return newConfigMap, nil
}