import {ChildProcess, spawn} from 'node:child_process'

interface EditorOptions {

editor?: string

}

export function openEditor(

file: string,

opts: EditorOptions = {},

): Promise<void> {

return new Promise((resolve, reject) => {

const editor = getEditor(opts.editor)

const args = editor.split(/\s+/)

const bin = args.shift()

if (!bin) {

reject(new Error('Editor binary not found'))

return

}

const ps: ChildProcess = spawn(bin, [...args, file], {stdio: 'inherit'})

ps.on('exit', () => {

resolve()

})

ps.on('error', (err: Error) => {

reject(err)

})

})

}

function getEditor(editor?: string): string {

return (

editor || process.env.VISUAL || process.env.EDITOR || getDefaultEditor()

)

}

function getDefaultEditor(): string {

return process.platform.startsWith('win') ? 'notepad' : 'vim'

}

export default openEditor