// Package frontendutil provides Go functions bound to the frontend.
package frontendutil

import (
	"context"
	"fmt"

	"github.com/wailsapp/wails/v2/pkg/runtime"
)

// FrontendUtil provides frontend-bound Go functions.
type FrontendUtil struct {
	ctx context.Context
}

// NewFrontendUtil creates a new FrontendUtil instance.
func NewFrontendUtil() (*FrontendUtil, error) {
	return &FrontendUtil{}, nil
}

// SetContext sets the Wails runtime context.
func (fe *FrontendUtil) SetContext(ctx context.Context) {
	fe.ctx = ctx
}

// DirectoryPicker opens a directory selection dialog.
func (fe *FrontendUtil) DirectoryPicker() (string, error) {
	runtime.LogInfo(fe.ctx, "selecting a directory")

	dir, err := runtime.OpenDirectoryDialog(
		fe.ctx,
		runtime.OpenDialogOptions{})
	if err != nil {
		return "", fmt.Errorf("could not open directory dialog\n%w", err)
	}

	return dir, nil
}