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Documentation for this module may be created at Module:UserPredictionsLeaderboard/doc

local util_args = require('Module:ArgsUtil')
local util_cargo = require('Module:CargoUtil')
local util_esports = require('Module:EsportsUtil')
local util_html = require('Module:HtmlUtil')
local util_math = require('Module:MathUtil')
local util_map = require('Module:MapUtil')
local util_predictions = require('Module:PredictionsUtil')
local util_sort = require('Module:SortUtil')
local util_table = require('Module:TableUtil')
local util_text = require('Module:TextUtil')
local util_title = require('Module:TitleUtil')
local util_vars = require('Module:VarsUtil')
local m_team = require('Module:Team')
local i18n = require('Module:i18nUtil')
local ML = require('Module:MatchListAbstract'):extends()
local ColumnShowHide = require('Module:ColumnShowHide')

local OVERVIEW_PAGE
local MAX_MEMBERS_PER_GROUP = 15

local h = {}

local p = {}
function p.main(frame)
	local args = util_args.merge()
	i18n.init('MatchList', 'UserPredictions', 'UserPredictionsLeaderboard')
	OVERVIEW_PAGE = util_predictions.getOverviewPage(args.page, args.type)
	local predictionData = h.getPredictionData(args)
	local resultData = ML:getAndRunMatchQuery(OVERVIEW_PAGE, args)
	h.addOutcomesToPredictions(predictionData, resultData)
	h.sortUsersByRank(predictionData)
	h.storeGroupMetadataCargo(args)
	return h.makeOutput(predictionData, resultData, args), util_predictions.displayTitle(OVERVIEW_PAGE)
end

function ML:processMatchRow(row, i, j, args, tab)
	self:processFF(row)
end

function h.getPredictionData(args)
	local query = h.getQuery(args)
	local result = util_cargo.queryAndCast(query)
	util_map.rowsInPlace(result, h.userPredictionListToTable)
	util_sort.tablesByKeys(result, 'NumberCorrect')
	return result
end

function h.getQuery(args)
	local ret = {
		tables = 'UserPredictions',
		where = h.getPredictionWhere(args),
		limit = h.getPredictionLimit(args),
		orderBy = 'NumberCorrect DESC, NumberOfPredictions DESC, User ASC',
		fields = {
			'User',
			'NumberOfPredictions [number]',
			'NumberCorrect [number]',
			'NumberOver [number]',
			'PredictionList',
			'_pageName',
		},
		groupBy = '_pageName',
	}
	return ret
end

function h.getPredictionWhere(args)
	local tbl = {
		('OverviewPage="%s"'):format(OVERVIEW_PAGE),
		h.getListOfUsersWhereCondition(args.members)
	}
	return util_cargo.concatWhere(tbl)
end

function h.getListOfUsersWhereCondition(members)
	if not members then return end
	return util_cargo.concatWhereOr(util_map.split(members, nil, h.memberToWhereCondition))
end

function h.memberToWhereCondition(str)
	return ('User="%s"'):format(str)
end

function h.getPredictionLimit(args)
	if args.type == 'Leaderboard' then
		return 100
	else
		return 20
	end
end

function h.userPredictionListToTable(row)
	row.PredictionList = util_map.split(row.PredictionList, ';', util_map.split, nil, tonumber)
end

function h.addOutcomesToPredictions(predictionData, resultData)
	for _, userRow in ipairs(predictionData) do
		userRow.PredictionList = h.getOneUserOutcomes(userRow.PredictionList, resultData)
		util_predictions.addPredictionTotalsToData(userRow.PredictionList)
	end
end

function h.getOneUserOutcomes(predictionList, resultData)
	local ret = {}
	for i, tab in ipairs(resultData) do
		ret[i] = {}
		for j, row in ipairs(tab) do
			local index = tonumber(row.InitialN_MatchInTab or j)
			local tbl = mw.clone(row)
			if predictionList[i] then
				tbl.Prediction = predictionList[i][index]
			end
			ret[i][j] = tbl
		end
	end
	return ret
end

function h.sortUsersByRank(predictionData)
	for _, user in ipairs(predictionData) do
		user.right = user.PredictionList.predictionTotals.right
	end
	util_sort.tablesByKeys(predictionData, 'right')
end

-- store cargo if group
function h.storeGroupMetadataCargo(args)
	if args.type ~= 'Group' then return end
	local tbl = {
		_table = 'UserPredictionGroups',
		Members = args.members,
		GroupName = h.getGroupFromTitle(),
		NumberOfMembers = h.getNumberOfMembers(args),
		OverviewPage = OVERVIEW_PAGE
	}
	util_cargo.store(tbl)
end

function h.getGroupFromTitle()
	return util_title.titleparts(nil, 1, -1)
end

function h.getNumberOfMembers(args)
	return #util_text.split(args.members)
end

-- output
function h.makeOutput(predictionData, resultData, args)
	local output = mw.html.create('div')
		:addClass('wide-content-scroll')
	if args.type == 'Group' then
		h.printGroupIntro(args, output)
		h.printLeaderboard(output, predictionData, resultData, args)
		h.printIndividualGamesTable(output, predictionData, resultData)
	else
		h.printLeaderboardIntro(output)
		h.printLeaderboard(output, predictionData, resultData, args)
	end
	return output
end

function h.printGroupIntro(args, output)
	local ul = output:tag('ul')
	util_predictions.printRefreshThisPageButton(ul:tag('li'))
	h.printUserRefreshButton(ul)
	h.printOverviewPageLink(ul)
	h.printLinkToLeaderboard(ul)
	if h.getNumberOfMembers(args) == MAX_MEMBERS_PER_GROUP then
		h.printGroupFull(ul)
	else
		h.printGroupJoin(args,ul)
	end
	output:tag('hr')
end

function h.printUserRefreshButton(ul)
	ul:tag('li'):tag('div')
		:attr('id', 'predictions-reload-user-data-from-leaderboard')
		:addClass('user-predictions-action-link')
		:wikitext(i18n.print('userPageDataRefresh'))
end

function h.printOverviewPageLink(ul)
	ul:tag('li')
		:wikitext(util_text.intLink(OVERVIEW_PAGE, i18n.print('eventOverview')))
end

function h.printLinkToLeaderboard(ul)
	util_predictions.linkToGeneratedPage(ul:tag('li'), 'Leaderboard', OVERVIEW_PAGE)
end

function h.printGroupFull(ul)
	ul:tag('li'):wikitext((i18n.print('fullGroup', MAX_MEMBERS_PER_GROUP)))
end

function h.printGroupJoin(args,ul)
	ul:tag('li'):tag('div')
		:attr('id', 'predictions-join-group')
		:attr('data-current-member-list', args.members)
		:addClass('user-predictions-action-link')
		:wikitext(i18n.print('joinCommand'))
end

function h.printLeaderboardIntro(output)
	local ul = output:tag('ul')
	util_predictions.printRefreshThisPageButton(ul:tag('li'))
	h.printUserRefreshButton(ul)
	h.printOverviewPageLink(ul)
end

function h.printLeaderboard(output, predictionData, resultData, args)
	local tbl = h.initTable(output)
	h.printColumnHeaders(tbl, resultData)
	h.printRows(tbl, predictionData)
end

function h.initTable(output)
	local tbl = output:tag('table')
		:addClass('wikitable')
		:addClass('sortable')
		:addClass('prediction-leaderboard')
	return tbl
end

function h.printColumnHeaders(tbl, resultData)
	local tr = tbl:tag('tr')
	tr:tag('th'):wikitext(i18n.print('user'))
	for _, tab in ipairs(resultData) do
		tr:tag('th')
			:wikitext(tab.name)
			:attr('data-sort-type', 'number')
	end
	tr:tag('th')
		:wikitext(i18n.print('total'))
		:attr('data-sort-type', 'number')
end

function h.printRows(tbl, predictionData)
	for _, userRow in ipairs(predictionData) do
		h.printOneRow(tbl, userRow)
	end
end

function h.printOneRow(tbl, userRow)
	local tr = tbl:tag('tr')
	h.printUserCell(tr, userRow)
	for _, tab in ipairs(userRow.PredictionList) do
		h.printTabCell(tr, tab.predictionTotals)
	end
	h.printTabCell(tr, userRow.PredictionList.predictionTotals)
end

function h.printUserCell(tr, userRow)
	if not userRow.User then
		error(i18n.print('error_missingUser', userRow._pageName))
	end
	local td = tr:tag('td'):wikitext(h.linkToUserPredictions(userRow.User))
	util_predictions.printRefreshTargetButton(td, 'Predictions:' .. OVERVIEW_PAGE .. '/User/' .. userRow.User)
end

function h.linkToUserPredictions(user)
	return util_text.intLink('Predictions:' .. OVERVIEW_PAGE .. '/User/' .. user, user)
end

function h.printTabCell(tr, list)
	tr:tag('td')
		:wikitext(('%s/%s'):format(list.right, list.over))
end

function h.printIndividualGamesTable(output, predictionData, resultData)
	local numberOfColumns = h.getMaxGamesInATab(resultData)
	local allHeadings = h.getAllHeadings(numberOfColumns)
	ColumnShowHide.printToggles(output, allHeadings)
	local tbl = output:tag('table')
		:addClass('wikitable')
		:addClass('prediction-results-table')
	ColumnShowHide.printTableClass(tbl)
	for i, tab in ipairs(resultData) do
		util_html.printColspanHeader(tbl, tab.name, numberOfColumns + 2)
		h.printHeaders(tbl, tab, numberOfColumns)
		h.printTabOfTable(tbl, predictionData, i, numberOfColumns)
	end
end

function h.getMaxGamesInATab(resultData)
	local max = 0
	for _, tab in ipairs(resultData) do
		if #tab > max then max = #tab end
	end
	return max
end

function h.getAllHeadings(numberOfColumns)
	local ret = { i18n.print('user') }
	for i = 1, numberOfColumns do
		ret[#ret+1] = i
	end
	ret[#ret+1] = i18n.print('total')
	return ret
end

function h.printHeaders(tbl, tab, numberOfColumns)
	local tr = tbl:tag('tr')
				--:wikitext

	tr:tag('th'):wikitext(i18n.print('user'))
	for i = 1, numberOfColumns do
		tr:tag('th'):wikitext(tab[i] and i or '')
	end
	tr:tag('th'):wikitext(i18n.print('total'))
end

function h.printTabOfTable(tbl, predictionData, i, numberOfColumns)
	for _, user in ipairs(predictionData) do
		h.printUserOfTab(tbl, user, i, numberOfColumns)
	end
end

function h.printUserOfTab(tbl, user, i, numberOfColumns)
	local tr = tbl:tag('tr')
	tr:tag('td')
		:wikitext(h.linkToUserPredictions(user.User))
		:addClass('prediction-results-table-user')
	for j = 1, numberOfColumns do
		h.printUserTabCell(tr, user.PredictionList[i][j])
	end
	h.printTabCell(tr, user.PredictionList[i].predictionTotals)
end

function h.printUserTabCell(tr, row)
	local td = tr:tag('td')
	if not row then return end
	td:wikitext(h.printPredictedWinner(row))
		:addClass(h.getPredictionClass(row))
end

function h.printPredictedWinner(row)
	if row.Prediction == 0 then
		return 'TIE'
	elseif not row.Prediction then
		return ''
	else
		return m_team.onlyimage(row['Team' .. row.Prediction])
	end
end

function h.getPredictionClass(row)
	if not (row.Prediction and row.Winner) then return end
	if row.Prediction == row.Winner then
		return 'standings-up'
	else
		return 'standings-down'
	end
end

return p
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