var
	utils = require( './testUtils.js' ),
	controller = require( 'ext.discussionTools.init' ).controller;

QUnit.module( 'mw.dt.controller', utils.newEnvironment() );

QUnit.test( 'autoSignWikitext', function ( assert ) {
	var cases;

	cases = [
		{
			msg: 'Simple message',
			wikitext: 'Foo bar',
			expected: 'Foo bar ~~~~'
		},
		{
			msg: 'Custom prefix',
			wikitext: 'Foo bar',
			prefix: ' --',
			expected: 'Foo bar --~~~~'
		},
		{
			msg: 'Whitespace',
			wikitext: ' \t Foo bar \t ',
			expected: 'Foo bar ~~~~'
		},
		{
			msg: 'Already signed',
			wikitext: 'Foo bar ~~~~',
			expected: 'Foo bar ~~~~'
		},
		{
			msg: 'Already signed multi-line',
			wikitext: 'Foo\n\nbar\n\n~~~~',
			expected: 'Foo\n\nbar\n\n~~~~'
		},
		{
			msg: 'Already signed with hyphens',
			wikitext: 'Foo bar --~~~~',
			expected: 'Foo bar --~~~~'
		},
		{
			msg: 'Already signed without space',
			wikitext: 'Foo bar~~~~',
			// Unless we special case certain characters, such as "-" this
			// has to behave the same as "Already signed with hyphens"
			expected: 'Foo bar~~~~'
		},
		{
			msg: 'Signed with 5 tildes',
			wikitext: 'Foo bar ~~~~~',
			expected: 'Foo bar ~~~~'
		},
		{
			msg: 'Signed with 3 tildes',
			wikitext: 'Foo bar ~~~',
			expected: 'Foo bar ~~~~'
		},
		{
			msg: 'Signed with 3 tildes and prefix',
			wikitext: 'Foo bar --~~~',
			expected: 'Foo bar --~~~~'
		}
	];

	cases.forEach( function ( caseItem ) {
		var oldPrefix = mw.msg( 'discussiontools-signature-prefix' );
		if ( caseItem.prefix ) {
			mw.messages.set( { 'discussiontools-signature-prefix': caseItem.prefix } );
		}
		assert.strictEqual(
			controller.autoSignWikitext( caseItem.wikitext ),
			caseItem.expected,
			caseItem.msg
		);
		mw.messages.set( { 'discussiontools-signature-prefix': oldPrefix } );
	} );
} );

QUnit.test( 'sanitizeWikitextLinebreaks', function ( assert ) {
	var cases;

	cases = [
		{
			msg: 'Two linebreaks',
			wikitext: 'Foo\n\nbar\n\nbaz',
			expected: 'Foo\nbar\nbaz'
		},
		{
			wikitext: 'Foo\n\nbar\n\nbaz',
			expected: 'Foo\nbar\nbaz'
		},
		{
			msg: 'Three linebreaks',
			wikitext: 'Foo\n\nbar\n\nbaz',
			expected: 'Foo\nbar\nbaz'
		},
		{
			msg: 'R+N linebreaks',
			wikitext: 'Foo\r\nbar\r\nbaz',
			expected: 'Foo\nbar\nbaz'
		},
		{
			msg: 'Two R+N linebreaks',
			wikitext: 'Foo\r\n\r\nbar\r\n\r\nbaz',
			expected: 'Foo\nbar\nbaz'
		},
		{
			msg: 'R linebreaks',
			wikitext: 'Foo\rbar\rbaz',
			expected: 'Foo\nbar\nbaz'
		}
	];

	cases.forEach( function ( caseItem ) {
		assert.strictEqual(
			controller.sanitizeWikitextLinebreaks( caseItem.wikitext ),
			caseItem.expected,
			caseItem.msg
		);
	} );
} );