/*
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
     https://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
*/

package electron

import (
	"fmt"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"syscall"
)

// RunElectron executes the standalone electron app which serves up our web components
func RunElectron() error {
	// determine ; or : depending on the OS
	sep := string(os.PathListSeparator)

	// get the current working directory, should be the root of the airshipui tree
	path, err := os.Getwd()
	if err != nil {
		log.Println(err)
	}

	// TODO: make the node path dynamic or setable at compile time
	os.Setenv("PATH", filepath.Join(path+"/tools/node-v12.16.3/bin")+sep+os.Getenv("PATH"))

	// This should start the electron app with the internal npm & node binaries
	cmd := exec.Command("npm", "start", "--prefix", "web")

	if err := cmd.Run(); err != nil {
		return fmt.Errorf("electron %d", err.(*exec.ExitError).Sys().(syscall.WaitStatus).ExitStatus())
	}

	return nil
}