/**
 * Keep code in MediaWiki:Common.js to a minimum as it is unconditionally
 * loaded for all users on every wiki page. If possible create a gadget that is
 * enabled by default instead of adding it here (since gadgets are fully
 * optimized ResourceLoader modules with possibility to add dependencies etc.)
 *
 * Since Common.js isn't a gadget, there is no place to declare its
 * dependencies, so we have to lazy load them with mw.loader.using on demand and
 * then execute the rest in the callback. In most cases these dependencies will
 * be loaded (or loading) already and the callback will not be delayed. In case a
 * dependency hasn't arrived yet it'll make sure those are loaded before this.
 */

/* global mw, $ */
/* jshint strict:false, browser:true */

mw.loader.using( ['mediawiki.user', 'mediawiki.util', 'mediawiki.notify', 'jquery.client'] ).done( function () {
/* Begin of mw.loader.using callback */

/**
 * Main Page layout fixes
 *
 * Description: Adds an additional link to the complete list of languages available.
 * Maintainers: [[User:AzaToth]], [[User:R. Koot]], [[User:Alex Smotrov]]
 */
if ( mw.config.get( 'wgPageName' ) === 'Main_Page' || mw.config.get( 'wgPageName' ) === 'Talk:Main_Page' ) {
    $( function () {
        mw.util.addPortletLink( 'p-lang', '//meta.wikimedia.org/wiki/List_of_Wikipedias',
            'Complete list', 'interwiki-completelist', 'Complete list of Wikipedias' );
    } );
}

/**
 * Redirect User:Name/skin.js and skin.css to the current skin's pages
 * (unless the 'skin' page really exists)
 * @source: http://www.mediawiki.org/wiki/Snippets/Redirect_skin.js
 * @rev: 2
 */
if ( mw.config.get( 'wgArticleId' ) === 0 && mw.config.get( 'wgNamespaceNumber' ) === 2 ) {
    var titleParts = mw.config.get( 'wgPageName' ).split( '/' );
    /* Make sure there was a part before and after the slash
       and that the latter is 'skin.js' or 'skin.css' */
    if ( titleParts.length == 2 ) {
        var userSkinPage = titleParts.shift() + '/' + mw.config.get( 'skin' );
        if ( titleParts.slice( -1 ) == 'skin.js' ) {
            window.location.href = mw.util.getUrl( userSkinPage + '.js' );
        } else if ( titleParts.slice( -1 ) == 'skin.css' ) {
            window.location.href = mw.util.getUrl( userSkinPage + '.css' );
        }
    }
}

/**
 * Map addPortletLink to mw.util
 * @deprecated: Use mw.util.addPortletLink instead.
 */
mw.log.deprecate( window, 'addPortletLink', mw.util.addPortletLink, 'Use mw.util.addPortletLink instead' );

/**
 * Extract a URL parameter from the current URL
 * @deprecated: Use mw.util.getParamValue with proper escaping
 */
mw.log.deprecate( window, 'getURLParamValue', mw.util.getParamValue, 'Use mw.util.getParamValue instead' );

/**
 * Test if an element has a certain class
 * @deprecated:  Use $(element).hasClass() instead.
 */
mw.log.deprecate( window, 'hasClass', function ( element, className ) {
    return $( element ).hasClass( className );
}, 'Use jQuery.hasClass() instead' );

/**
 * @source www.mediawiki.org/wiki/Snippets/Load_JS_and_CSS_by_URL
 * @rev 6
 */
var extraCSS = mw.util.getParamValue( 'withCSS' ),
    extraJS = mw.util.getParamValue( 'withJS' );

if ( extraCSS ) {
    if ( extraCSS.match( /^MediaWiki:[^&<>=%#]*\.css$/ ) ) {
        mw.loader.load( '/w/index.php?title=' + extraCSS + '&action=raw&ctype=text/css', 'text/css' );
    } else {
        mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withCSS value' } );
    }
}

if ( extraJS ) {
    if ( extraJS.match( /^MediaWiki:[^&<>=%#]*\.js$/ ) ) {
        mw.loader.load( '/w/index.php?title=' + extraJS + '&action=raw&ctype=text/javascript' );
    } else {
        mw.notify( 'Only pages from the MediaWiki namespace are allowed.', { title: 'Invalid withJS value' } );
    }
}

/**
 * WikiMiniAtlas
 *
 * Description: WikiMiniAtlas is a popup click and drag world map.
 *              This script causes all of our coordinate links to display the WikiMiniAtlas popup button.
 *              The script itself is located on meta because it is used by many projects.
 *              See [[Meta:WikiMiniAtlas]] for more information.
 * Maintainers: [[User:Dschwen]]
 */
( function () {
    var require_wikiminiatlas = false;
    var coord_filter = /geohack/;
    $( function () {
        $( 'a.external.text' ).each( function( key, link ) {
            if ( link.href && coord_filter.exec( link.href ) ) {
                require_wikiminiatlas = true;
                // break from loop
                return false;
            }
        } );
        if ( $( 'div.kmldata' ).length ) {
            require_wikiminiatlas = true;
        }
        if ( require_wikiminiatlas ) {
            mw.loader.load( '//meta.wikimedia.org/w/index.php?title=MediaWiki:Wikiminiatlas.js&action=raw&ctype=text/javascript' );
        }
    } );
} )();

/**
 * Collapsible tables
 *
 * Allows tables to be collapsed, showing only the header. See [[Help:Collapsing]].
 *
 * @version 2.0.3 (2014-03-14)
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
 * @author [[User:R. Koot]]
 * @author [[User:Krinkle]]
 * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
 * is supported in MediaWiki core.
 */

var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
var tableIndex = 0;

function collapseTable( tableIndex ) {
    var Button = document.getElementById( 'collapseButton' + tableIndex );
    var Table = document.getElementById( 'collapsibleTable' + tableIndex );

    if ( !Table || !Button ) {
        return false;
    }

    var Rows = Table.rows;
    var i;
    var $row0 = $(Rows[0]);

    if ( Button.firstChild.data === collapseCaption ) {
        for ( i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = 'none';
        }
        Button.firstChild.data = expandCaption;
    } else {
        for ( i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = $row0.css( 'display' );
        }
        Button.firstChild.data = collapseCaption;
    }
}

function createClickHandler( tableIndex ) {
    return function ( e ) {
        e.preventDefault();
        collapseTable( tableIndex );
    };
}

function createCollapseButtons( $content ) {
    var NavigationBoxes = {};
    var $Tables = $content.find( 'table' );
    var i;

    $Tables.each( function( i, table ) {
        if ( $(table).hasClass( 'collapsible' ) ) {

            /* only add button and increment count if there is a header row to work with */
            var HeaderRow = table.getElementsByTagName( 'tr' )[0];
            if ( !HeaderRow ) {
                return;
            }
            var Header = table.getElementsByTagName( 'th' )[0];
            if ( !Header ) {
                return;
            }

            NavigationBoxes[ tableIndex ] = table;
            table.setAttribute( 'id', 'collapsibleTable' + tableIndex );

            var Button     = document.createElement( 'span' );
            var ButtonLink = document.createElement( 'a' );
            var ButtonText = document.createTextNode( collapseCaption );
            // Styles are declared in [[MediaWiki:Common.css]]
            Button.className = 'collapseButton';

            ButtonLink.style.color = Header.style.color;
            ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
            ButtonLink.setAttribute( 'href', '#' );
            $( ButtonLink ).on( 'click', createClickHandler( tableIndex ) );
            ButtonLink.appendChild( ButtonText );

            Button.appendChild( document.createTextNode( '[' ) );
            Button.appendChild( ButtonLink );
            Button.appendChild( document.createTextNode( ']' ) );

            Header.insertBefore( Button, Header.firstChild );
            tableIndex++;
        }
    } );

    for ( i = 0;  i < tableIndex; i++ ) {
        if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) ||
            ( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) )
        ) {
            collapseTable( i );
        }
        else if ( $( NavigationBoxes[i] ).hasClass ( 'innercollapse' ) ) {
            var element = NavigationBoxes[i];
            while ((element = element.parentNode)) {
                if ( $( element ).hasClass( 'outercollapse' ) ) {
                    collapseTable ( i );
                    break;
                }
            }
        }
    }
}

mw.hook( 'wikipage.content' ).add( createCollapseButtons );

/**
 * Add support to mw-collapsible for autocollapse, innercollapse and outercollapse
 *
 * Maintainers: TheDJ
 */
function mwCollapsibleSetup( $collapsibleContent ) {
	var $element,
	    $toggle,
		autoCollapseThreshold = 2;
	$.each( $collapsibleContent, function (index, element) {
		$element = $( element );
		if ( $collapsibleContent.length > autoCollapseThreshold && $element.hasClass( 'autocollapse' ) ) {
			$element.data( 'mw-collapsible' ).collapse();
		} else if ( $element.hasClass( 'innercollapse' ) ) {
			if ( $element.parents( '.outercollapse' ).length > 0 ) {
				$element.data( 'mw-collapsible' ).collapse();
			}
		}
		$toggle = $element.find( '.mw-collapsible-toggle' );
		if ( $toggle.length ) {
			// Make the toggle inherit text color
			if( $toggle.parent()[0].style.color ) {
				$toggle.find( 'a' ).css( 'color', 'inherit' );
			}
		}
	} );
}

mw.hook( 'wikipage.collapsibleContent' ).add( mwCollapsibleSetup );

/**
 * Dynamic Navigation Bars (experimental)
 *
 * Description: See [[Wikipedia:NavFrame]].
 * Maintainers: UNMAINTAINED
 */

/* set up the words in your language */
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';
var indexNavigationBar = 0;

/**
 * Shows and hides content and picture (if available) of navigation bars
 * Parameters:
 *     indexNavigationBar: the index of navigation bar to be toggled
 **/
window.toggleNavigationBar = function ( indexNavigationBar, event ) {
    var NavToggle = document.getElementById( 'NavToggle' + indexNavigationBar );
    var NavFrame = document.getElementById( 'NavFrame' + indexNavigationBar );
    var NavChild;

    if ( !NavFrame || !NavToggle ) {
        return false;
    }

    /* if shown now */
    if ( NavToggle.firstChild.data === NavigationBarHide ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'none';
            }
        }
    NavToggle.firstChild.data = NavigationBarShow;

    /* if hidden now */
    } else if ( NavToggle.firstChild.data === NavigationBarShow ) {
        for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
            if ( $( NavChild ).hasClass( 'NavContent' ) || $( NavChild ).hasClass( 'NavPic' ) ) {
                NavChild.style.display = 'block';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }

    event.preventDefault();
};

/* adds show/hide-button to navigation bars */
function createNavigationBarToggleButton( $content ) {
    var NavChild;
    /* iterate over all < div >-elements */
    var $divs = $content.find( 'div' );
    $divs.each( function ( i, NavFrame ) {
        /* if found a navigation bar */
        if ( $( NavFrame ).hasClass( 'NavFrame' ) ) {

            indexNavigationBar++;
            var NavToggle = document.createElement( 'a' );
            NavToggle.className = 'NavToggle';
            NavToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
            NavToggle.setAttribute( 'href', '#' );
            $( NavToggle ).on( 'click', $.proxy( window.toggleNavigationBar, window, indexNavigationBar ) );

            var isCollapsed = $( NavFrame ).hasClass( 'collapsed' );
            /**
             * Check if any children are already hidden.  This loop is here for backwards compatibility:
             * the old way of making NavFrames start out collapsed was to manually add style="display:none"
             * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
             * the content visible without JavaScript support), the new recommended way is to add the class
             * "collapsed" to the NavFrame itself, just like with collapsible tables.
             */
            for ( NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling ) {
                if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
                    if ( NavChild.style.display === 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if ( isCollapsed ) {
                for ( NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling ) {
                    if ( $( NavChild ).hasClass( 'NavPic' ) || $( NavChild ).hasClass( 'NavContent' ) ) {
                        NavChild.style.display = 'none';
                    }
                }
            }
            var NavToggleText = document.createTextNode( isCollapsed ? NavigationBarShow : NavigationBarHide );
            NavToggle.appendChild( NavToggleText );

            /* Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked) */
            for( var j = 0; j < NavFrame.childNodes.length; j++ ) {
                if ( $( NavFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                    NavFrame.childNodes[j].appendChild( NavToggle );
                }
            }
            NavFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
        }
    } );
}

mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

/**
 * Uploadwizard_newusers
 * Switches in a message for non-autoconfirmed users at [[Wikipedia:Upload]]
 *
 * Maintainers: [[User:Krimpet]]
 */
function uploadwizard_newusers() {
    if ( mw.config.get( 'wgNamespaceNumber' ) === 4 && mw.config.get( 'wgTitle' ) === 'Upload' && mw.config.get( 'wgAction' ) === 'view' ) {
        var oldDiv = document.getElementById( 'autoconfirmedusers' ),
            newDiv = document.getElementById( 'newusers' );
        if ( oldDiv && newDiv ) {
            var userGroups = mw.config.get( 'wgUserGroups' );
            if ( userGroups ) {
                for ( var i = 0; i < userGroups.length; i++ ) {
                    if ( userGroups[i] === 'autoconfirmed' ) {
                        oldDiv.style.display = 'block';
                        newDiv.style.display = 'none';
                        return;
                    }
                }
            }
            oldDiv.style.display = 'none';
            newDiv.style.display = 'block';
            return;
        }
    }
}

$(uploadwizard_newusers);

/**
 * Magic editintros ****************************************************
 *
 * Description: Adds editintros on disambiguation pages and BLP pages.
 * Maintainers: [[User:RockMFR]]
 */
function addEditIntro( name ) {
    $( '.mw-editsection, #ca-edit' ).find( 'a' ).each( function ( i, el ) {
        el.href = $( this ).attr( 'href' ) + '&editintro=' + name;
    } );
}

if ( mw.config.get( 'wgNamespaceNumber' ) === 0 ) {
    $( function () {
        if ( document.getElementById( 'disambigbox' ) ) {
            addEditIntro( 'Template:Disambig_editintro' );
        }
    } );

    $( function () {
        var cats = mw.config.get('wgCategories');
        if ( !cats ) {
            return;
        }
        if ( $.inArray( 'Living people', cats ) !== -1 || $.inArray( 'Possibly living people', cats ) !== -1 ) {
            addEditIntro( 'Template:BLP_editintro' );
        }
    } );
}

/* End of mw.loader.using callback */
} );
/* DO NOT ADD CODE BELOW THIS LINE */