/* jshint maxerr: 999 */

/* <nowiki> */

$.when(

	mw.loader.using(['mediawiki.Title', 'ext.gadget.morebits']),

	$.ready

).then(function() {



// hide on special pages and talk pages

if (mw.config.get('wgNamespaceNumber') < 0 || mw.config.get('wgNamespaceNumber') % 2 === 1 || !mw.config.get('wgRevisionId')) {

	return;

}



var advert = ' ([[User:SD0001/easy-merge|easy-merge]])';



var menu = mw.util.addPortletLink('p-cactions', '#', 'easy-merge', 'p-easy-merge', 'Redirect to another article and add merge templates to talk pages');

menu.addEventListener('click', callback);



function callback(e) {

	if (e) e.preventDefault();

	var Window = new Morebits.simpleWindow(600, 500);

	Window.setScriptName('easy-merge');

	Window.setTitle("Redirect and add merge templates to talk pages");

	Window.addFooterLink('Merging articles', 'Wikipedia:Merging');



	var form = new Morebits.quickForm(evaluate);



	form.append({

		type: 'input',

		label: 'Target page: ',

		name: 'target',

		value: (mw.config.get('wgIsRedirect') && $('div.redirectMsg a').length) ? $('div.redirectMsg a').text() : ''

	});



	form.append({

		type: 'input', // changed to 'date' after render

		name: 'date',

		label: 'Date of merger: ',

		value: new Date().toISOString().slice(0, 10),

		tooltip: 'This date is used in the {{merged-from}} and {{merged-to}} templates'

	});



	form.append({

		type: 'checkbox',

		name: 'actions',

		list: 

			{

				label: 'Redirect this page to the target page',

				name: 'redirect',

				checked: !mw.config.get('wgIsRedirect'),

				tooltip: 'Replace contents with redirect to target page. {{R from merge}} will be applied to the redirect. ' +

					'{{R to section}} will also be applied if applicable',

				subgroup: {

					type: 'input',

					label: 'Edit summary: ',

					value: 'Merged content to [[###]], redirecting',

					name: 'summary',

					tooltip: '### will be automatically replaced by name of target page',

					size: '60px'

				}

			},

			{

				label: 'Remove merge tag from target page (if it exists)',

				name: 'removemerge',

				checked: true

			},

			{

				label: 'Add {{merged-from}} to talk page of target page',

				name: 'addmergedfrom',

				checked: true

			},

			{

				label: 'Add {{merged-to}} to talk page of this page',

				name: 'addmergedto',

				checked: true

			},

			{

				label: 'Adjust WikiProject banners and templates',

				tooltip: 'For WikiProject banners, class is set to redirect and importance is removed. Any media needed templates are also removed',

				name: 'adjusttalktemplates',

				checked: true

			},

			{

				label: 'Retain categories on redirect',

				tooltip: 'Do not remove the categories on the page while redirecting',

				name: 'retaincats',

				checked: false

			}

		

	});



	form.append({ type: 'submit', label: 'Submit' });



	var result = form.render();

	result.date.type = 'date';

	result.date.required = true;



	Window.setContent(result);

	Window.display();



}



function evaluate(e) {

	var form = e.target;



	var params = {};

	params.target = form.target.value;

	if (!params.target.trim()) {

		alert('Please enter the target page of merge');

		return;

	}

	params.current = Morebits.pageNameNorm;



	params.redirect = form.redirect.checked;

	params.summary = form'redirect.summary' && form'redirect.summary'].value.replace('###', params.target);

	params.removemerge = form.removemerge.checked;

	params.addmergedfrom = form.addmergedfrom.checked;

	params.addmergedto = form.addmergedto.checked;

	params.adjusttalktemplates = form.adjusttalktemplates.checked;

	params.retaincats = form.retaincats.checked;



	var dateobj = new Morebits.date(form.date.value);

	if (isNaN(dateobj.getTime())) {

		alert('Invalid date. Please enter in YYYY-MM-DD format'); // should arise only for browsers w/o datepicker

		return;

	}

	params.date = dateobj.getUTCDate() + ' ' + dateobj.getUTCMonthName() + ' ' + dateobj.getUTCFullYear();



	Morebits.simpleWindow.setButtonsEnabled(false);

	Morebits.status.init(form);

	Morebits.wiki.api.setApiUserAgent('[[w:User:SD0001/easy-merge.js]]');



	if (params.redirect) {

		var page = new Morebits.wiki.page(params.current, 'Redirecting');

		page.load(function(page) {

			var pageText = '#REDIRECT [[' + params.target + ']]\n\n{{R from merge}}';

			if (params.target.indexOf('#') !== -1) {

				pageText += '\n{{R to section}}';

			}

			if (params.retaincats) {

				var cats = page.getPageText().match(/\[\[[Cc]ategory:.*?\]\]/g);

				if (cats) {

					pageText += '\n\n' + cats.join('\n');

				}

			}

			page.setPageText(pageText);

			page.setEditSummary(params.summary + advert);

			page.setCreateOption('nocreate');

			page.save();

		});

	}



	if (params.removemerge) {

		var targetpage = new Morebits.wiki.page(params.target, 'Removing {{merge from}} from target page');

		targetpage.load(function(e) {

			var text = e.getPageText();

			var rgx1 = new RegExp('\\{\\{[mM]erge[- ]?[fF]rom\\s*\\|' + Morebits.pageNameRegex(params.current) + '[^}]*\\}\\}\\n?');

			var rgx2 = new RegExp('\\{\\{[bB]eing merged\\s*\\|' + Morebits.pageNameRegex(params.current) + '[^}]*\\}\\}\\n?');

			var newtext = text.replace(rgx1, '').replace(rgx2, '');

			if (text !== newtext) {

				targetpage.setPageText(newtext);

				targetpage.setEditSummary('Removing merge template after merging' + advert);

				targetpage.setCreateOption('nocreate');

				targetpage.save();

			} else {

				targetpage.getStatusElement().info('Not found');

			}

		});

	}



	if (params.addmergedfrom) {

		var targettalkpage = new mw.Title(params.target).getTalkPage().toText();

		var targettalk = new Morebits.wiki.page(targettalkpage, 'Adding {{merged-from}} to target talk page');

		targettalk.setPrependText('{{merged-from|' + params.current + '|' + params.date + '}}\n');

		targettalk.setEditSummary('Adding {{merged-from|' + params.current + '}}' + advert);

		targettalk.prepend();

	}



	if (params.addmergedto || params.adjusttalktemplates) {

		var curentalkpage = new mw.Title(params.current).getTalkPage().toText();

		var sttext;

		if (params.addmergedto) {

			sttext = 'Adding {{merged-to}} to talk page';

		} else {

			sttext = 'Adjusting  WikiProject banners';

		}

		var curentalk = new Morebits.wiki.page(curentalkpage, sttext);

		curentalk.setPageSection(0);

		curentalk.load(function(e) {

			var text = e.getPageText();

			if (params.addmergedto) {

				var mergedto = '{{merged-to|' + params.target + '|' + params.date + '}}\n';

				text = mergedto + text;

			}

			if (params.adjusttalktemplates) {

				text = text

					.replace(/\|\s*class\s*=[^}|]*/g, '|class=redirect')  // set class to redirect

					.replace(/\|[^|}]*?importance\s*=[^}|]*/g, '')  // remove importance param

					.replace(/\|(?:[^|}]*-needed|needs-[^|}]*)\s*=[^|}]*/g, '')  // remove any media-needed or needs-media params

					.replace(/\{\{[^|}]* (?:requested|needed)[^}]*\}\}\n?/g, ''); // remove any {{media requeseted}} templates

			}

			if (text === '' && e.getPageText() === '') {

				return; // otherwise in this case, page is created as empty. Morebits bug.

			}

 			curentalk.setPageText(text);

			var summary;

			if (params.addmergedto && params.adjusttalktemplates) {

				summary = 'Adding {{merged-to|' + params.target + '}} and adjusting WikiProject banners';

			} else if (params.addmergedto) {

				summary = 'Adding {{merged-to|' + params.target + '}}';

			} else if (params.adjusttalktemplates) {

				summary = 'Adjusting WikiProject banners';

			}

			curentalk.setEditSummary(summary + advert);

			curentalk.save();

		});

	}



}



});

/* </nowiki> */