package app

import (
	"fmt"

	"github.com/wailsapp/wails/v2/pkg/runtime"
	"go.mongodb.org/mongo-driver/bson"
)

func (a *App) OpenConnection(hostKey string) (databases []string) {
	client, ctx, close, err := a.connectToHost(hostKey)
	if err != nil {
		fmt.Println(err.Error())
		return nil
	}
	databases, err = client.ListDatabaseNames(ctx, bson.M{})
	if err != nil {
		fmt.Println(err.Error())
		runtime.MessageDialog(a.ctx, runtime.MessageDialogOptions{
			Type:    runtime.ErrorDialog,
			Title:   "Could not retrieve database list",
			Message: err.Error(),
		})
		return nil
	}
	defer close()
	return databases
}