var $ = jQuery,
	formatter = require( '../../src/formatter' );

QUnit.module( 'ext.popups.formatter', {
	beforeEach: function () {
		window.mediaWiki.RegExp = {
			escape: this.sandbox.spy( function ( str ) {
				return str.replace( /([\\{}()|.?*+\-\^$\[\]])/g, '\\$1' );
			} )
		};
	},
	afterEach: function () {
		window.mediaWiki.RegExp = null;
	}
} );

QUnit.test( 'Title is bold', function ( assert ) {
	var cases = [
		[
			'Isaac Newton was born in', 'Isaac Newton',
			'<b>Isaac Newton</b> was born in',
			'Title as first word'
		],
		[
			'The C* language not to be confused with C# or C', 'C*',
			'The <b>C*</b> language not to be confused with C# or C',
			'Title containing *'
		],
		[
			'I like trains', 'Train',
			'I like <b>train</b>s',
			'Make the simple plural bold'
		],
		[
			'Foo\'s pub is a pub in Bar', 'Foo\'s pub',
			'<b>Foo\'s pub</b> is a pub in Bar',
			'Correct escaping'
		],
		[
			'\"Heroes\" is a David Bowie album', '\"Heroes\"',
			'<b>\"Heroes\"</b> is a David Bowie album',
			'Quotes in title'
		],
		[
			'*Testing if Things are correctly identified', 'Things',
			'*Testing if <b>Things</b> are correctly identified',
			'Article that begins with asterisk'
		],
		[
			'Testing if repeated words are not matched when repeated', 'Repeated',
			'Testing if <b>repeated</b> words are not matched when repeated',
			'Repeated title'
		]
	];

	function test( extract, title, expected, msg ) {
		var $div = $( '<div>' ).append(
			formatter.formatPlainTextExtract( extract, title )
		);
		assert.equal( $div.html(), expected, msg );
	}

	cases.forEach( function ( case_ ) {
		test( case_[ 0 ], case_[ 1 ], case_[ 2 ], case_[ 3 ] );
	} );
} );

QUnit.test( 'it strips ellipsis and parentheticals', function ( assert ) {
	var i, testCase, cases = [
		// removeEllipsis
		[ 'Extract...', 'Extract' ],
		[ 'Extract.', 'Extract.' ],
		[ '..Extract..', '..Extract..' ],
		[ '...', '' ],

		// removeParentheticals
		[ 'Foo', 'Foo' ],
		[ 'Foo (', 'Foo (' ],
		[ 'Foo (Bar)', 'Foo' ],
		[ 'Foo (Bar))', 'Foo (Bar))' ],
		[ 'Foo )(Bar)', 'Foo )(Bar)' ],
		[ '(Bar)', '' ]
		], $div;

	for ( i = 0; i < cases.length; i++ ) {
		testCase = cases[ i ];

		$div = $( '<div>' ).append(
			formatter.formatPlainTextExtract( testCase[ 0 ], 'Test' )
		);

		assert.equal( $div.html(), testCase[ 1 ] );
	}
} );