'use strict';
const chalk = require( 'chalk' );
const promptly = require( 'promptly' );
const { pkg } = require( '../config' );
const { make } = require( '../common' );
const { fetchAllPullRequests } = require( './requests' );

/* eslint no-console: 0 */
let ready = false;

const makeChangeLog = async () => {
	if ( ! pkg.changelog.zhApiToken || ! pkg.changelog.githubToken ) {
		const zenhubSet = pkg.changelog.zhApiToken
			? chalk.green( 'set' )
			: chalk.red( 'not set' );
		const githubSet = pkg.changelog.githubToken
			? chalk.green( 'set' )
			: chalk.red( 'not set' );
		console.log( `${ chalk.yellow( 'Zenhub Token:' ) } ${ zenhubSet }` );
		console.log( `${ chalk.yellow( 'GitHub Token:' ) } ${ githubSet }` );
		console.log( '' );
		console.log(
			chalk.yellow(
				'This program requires an api token from GitHub and Zenhub.'
			)
		);
		console.log(
			chalk.yellow(
				'You can create and get a GitHub token here: https://github.com/settings/tokens'
			)
		);
		console.log(
			chalk.yellow(
				'You can create and get a Zenhub token here: https://app.zenhub.com/dashboard/tokens'
			)
		);
		console.log( '' );
		console.log(
			chalk.yellow(
				'Token scope for GitHub will require read permissions on public_repo, admin:org, and user.'
			)
		);
		console.log( '' );
		console.log(
			chalk.yellow(
				'Export the github token as variable called GITHUB_TOKEN and the Zenhub token as a variable called ZH_API_TOKEN from your bash profile.'
			)
		);
		console.log( '' );

		ready = await promptly.confirm( 'Are you ready to continue? ' );
	} else {
		console.log(
			chalk.green(
				'Detected that ZH_API_TOKEN and GITHUB_TOKEN values are set.'
			)
		);
		ready = true;
	}

	if ( ready ) {
		console.log( '' );
		console.log(
			chalk.yellow(
				'In order to generate the changelog, you will have to provide the Zenhub release ID to retrieve the PRs from. You can get that from `release` param value in the url of the release report page.'
			)
		);
		console.log( '' );
		const releaseId = await promptly.prompt( 'Release Id: ' );
		console.log( '' );
		console.log(
			chalk.green(
				'Here is the generated changelog. Be sure to remove entries ' +
					`not intended for a ${ pkg.title } release. All entries with the ${ pkg.changelog.skipLabel } label have been skipped`
			)
		);
		console.log( '' );
		make( fetchAllPullRequests, releaseId );
	} else {
		console.log( '' );
		console.log( chalk.yellow( 'Ok, see you soon.' ) );
		console.log( '' );
	}
};

module.exports = {
	makeChangeLog,
};