import arg from 'arg';

import inquirer from 'inquirer';

import { createProject } from './main';

function parseArgumentsIntoOptions(rawArgs) {

const args = arg(

{

'--git': Boolean,

'--yes': Boolean,

'--install': Boolean,

'-g': '--git',

'-y': '--yes',

'-i': '--install',

},

{

argv: rawArgs.slice(2),

}

);

return {

skipPrompts: args['--yes'] || false,

git: args['--git'] || false,

template: args._[0],

runInstall: args['--install'] || false,

};

}

async function promptForMissingOptions(options) {

const defaultTemplate = 'JavaScript';

if (options.skipPrompts) {

return {

...options,

template: options.template || defaultTemplate,

};

}

const questions = [];

if (!options.template) {

questions.push({

type: 'list',

name: 'template',

message: 'Please choose which project template to use',

choices: ['JavaScript', 'TypeScript'],

default: defaultTemplate,

});

}

if (!options.git) {

questions.push({

type: 'confirm',

name: 'git',

message: 'Initialize a git repository?',

default: false,

});

}

const answers = await inquirer.prompt(questions);

return {

...options,

template: options.template || answers.template,

git: options.git || answers.git,

};

}

export async function cli(args) {

let options = parseArgumentsIntoOptions(args);

options = await promptForMissingOptions(options);

await createProject(options);

}