/* Reproduces a MySQL database deadlock bug
	when several users try to register in MediaWiki at the same time.

	Uses Special:CreateAccount (normal user interface), not API. */

'use strict';

const apiUrl = process.env.API || 'http://modwiki31.example.com/modwiki31/api.php',
	createAccountUrl = process.env.CREATEACCOUNT_URL || 'http://modwiki31.example.com/wiki/Special:CreateAccount',
	simultaneousRequests = 10;

/*---------------------------------------------------------------------------*/

const MWBot = require( 'mwbot' ),
	request = require( 'request-promise' );

for ( var i = 0; i < simultaneousRequests; i ++ ) {
	makeTestUser(); // asynchronous
}

function makeTestUser() {
	var username = 'Test User ' + Date.now() + ' ' + Math.random(),
		password = '123456';

	var cookieJar = request.jar();

	var bot = new MWBot( {
		apiUrl: apiUrl,
		verbose: true
	}, { jar: cookieJar } );

	return bot.getCreateaccountToken().then( () => request( {
		uri: createAccountUrl,
		method: 'POST',
		jar: cookieJar,

		form: {
			wpName: username,
			wpPassword: password,
			retype: password,
			wpCreateAccount: 'Submit',
			authAction: 'create',
			wpCreateaccountToken: bot.createaccountToken
		}
	} ) ).catch( function ( error ) {
		console.log( 'HTTP error ' + error.statusCode );
		console.log( error.message.match( /A database query error has occurred(.*)<\/div>/ )[1] );
	} );
}