-- This module returns the country name or the flag name for a country, -- based on the three-letter IOC/CGA/FINA alias.  --[[ The following country code is used for multiple countries:     ANG (workaround: added ANG_CGF for use with Commonwealth Games)  The following names have different names/flags based on sport/year     Great Britain (and N.I.)         GBR, GBR_WCA (latter added to add text in parens)     Hong Kong                        HKG, HKG_CGF (latter added to keep colonial flag)     Individual Olympic Athletes      IOA, IOA_2000 (IOA changed to Independent Olympic Athletes in 2012)     Russian Athletes				 OAR (2018), ROC_2020 (2020 Summer, 2022 Winter)     SWZ                              Swaziland became Eswatini after the 2018 Commonwealth Games     MKD								 Macedonia became North Macedonia in 2019     ART								 No "Athlete" before Refugee Team @ 2017 AIMAG  The following countries have multiple aliases due to CGF/IOC/FINA/IAAF/etc differences, or deprecated uses     Anguilla                         AIA, ANG_CGF     Antigua and Barbuda              ANT, ATG     Bahrain                          BHN, BHR, BRN     Curaçao                          CUR, CUW     East Timor						 TLS, TMP     Faroe Islands                    FAR, FRO     Guernsey                         GGY, GUE     Iran                             IRI, IRN     Ireland                          IRE, IRL - IRE is *only* for CGF apps     Jersey                           JER, JEY     Lebanon                          LBN, LIB     Montserrat                       MNT, MSR     Nicaragua                        NCA, NIC     Norfolk Island                   NFI, NFK     Oman                             OMA, OMN     Refugee Olympic Team             ROA, ROT, EOR     Romania                          ROM, ROU     Saint Helena                     SHE, SHN     Saint Vincent and the Grenadines SVG, VIN     Sarawak                          SAR, SWK     Singapore                        SGP, SIN     South Africa                     RSA, SAF     Tonga                            TGA, TON     Trinidad and Tobago              TRI, TTO     Turks and Caicos Islands         TCA, TCI, TKS  Oddity that needs to be revisited     French Polynesia                 PYF, TAH - TAH has been converted to Tahiti per SILENCE ]]  local convert = require('মডিউল:সংখ্যা রূপান্তরকারী').convert local function stripToNil(text) 	-- If text is a string, return its trimmed content, or nil if empty. 	-- Otherwise return text (which may, for example, be nil). 	if type(text) == 'string' then 		text = convert('en', tostring(text)):match('(%S.-)%s*$') 	end 	return text end  local function yes(parameter) 	-- Return true if parameter should be interpreted as "yes". 	return ({ y = true, yes = true, on = true, [true] = true })[parameter] end  local function getAlias(args) 	-- Return alias parameter, possibly modified for exceptional cases. 	local alias = stripToNil(args.alias) 	local games = stripToNil(args.games) 	local year = tonumber(args.year) 	local fullName = stripToNil(args.fullName) 	if fullName then 		year = tonumber(fullName:match('^%d+'))  -- ignore args.year 	end 	if alias == 'ANG' then 		if games == 'কমনওয়েলথ গেমস' then 			alias = 'ANG_CGF' 		end 	elseif alias == 'ART' then 		if games == 'Asian Indoor and Martial Arts Games' then 			alias = 'ART_AIMAG' 		end 	elseif alias == 'GBR' then 		if games == 'World Championships in Athletics' or games == 'বিশ্ব অ্যাথলেটিকস চ্যাম্পিয়নশিপ' or games == 'ইউরোপীয় অ্যাথলেটিকস চ্যাম্পিয়নশিপ' then 			alias = 'GBR_WCA' 		elseif games == 'ইউরোপীয় চ্যাম্পিয়নশিপ' then 			if year == 2018 then 				alias = 'GBR_WCA' 			end 		end 	elseif alias == 'HKG' then 		if games == 'কমনওয়েলথ গেমস' then 			alias = 'HKG_CGF' 		end 	elseif alias == 'IOA' then 		if year == 2000 then 			alias = 'IOA_2000' 		end 	elseif alias == 'MAL' then 		if year and year > 1963 then 			alias = 'MAS' 		end 	elseif alias == 'SWZ' then 		if fullName then 			if year and year >= 2018 and fullName ~= '২০১৮ কমনওয়েলথ গেমস' then 				alias = 'SWZ_YO2018' 			end 		elseif year and year >= 2018 and games ~= 'কমনওয়েলথ গেমস' then 			alias = 'SWZ_YO2018' 		end 	elseif alias == 'MKD' then 		if year and year >= 2019 then 			alias = 'MKD_2019' 		end 	elseif alias == 'VNM' then 		if year and year <= 1954 then 			alias = 'VIE' 		end 	elseif alias == 'ROC' or alias == 'RUS' then 		if year and year==2020 and games=='গ্রীষ্মকালীন অলিম্পিক' then 			alias = 'ROC_2020' 		elseif year and year==2022 and games=='শীতকালীন অলিম্পিক' then 			alias = 'ROC_2020' 		elseif year and year==2020 and games=='গ্রীষ্মকালীন প্যারালিম্পিক' then 			alias = 'RPC' 		end 	end 	return alias end  local function getFlag(args, country) 	-- Return name of flag selected from country data (nil if none defined). 	local year = tonumber(args.year) 	local games = stripToNil(args.games) 	if games then 		local gdata = country[games] 		if gdata then 			if type(gdata) == 'string' then 				return gdata 			end 			if gdata[year] then 				return gdata[year] 			end 		end 	end 	for _, item in ipairs(country) do 		if type(item) == 'string' then 			return item 		end 		if year and year <= item[1] then 			return item[2] 		end 	end end  local data = mw.loadData('মডিউল:দেশের উপনাম/উপাত্ত') local function countryAlias(args) 	local alias = getAlias(args) 	local country = data.countries[alias] or data.countries[data.countryAliases[alias]] 	local function quit(message) 		return args.error or error(message) 	end 	if not country then 		return quit('দেশের উপনাম বৈধ নয়: ' .. tostring(alias)) 	end 	if yes(args.flag) then 		return getFlag(args, country) or quit(alias .. '-এর জন্য কোন পতাকা সংজ্ঞায়িত করা হয়নি') 	else 		return country.name or quit(alias .. '-এর জন্য কোন নাম সংজ্ঞায়িত করা হয়নি') 	end end  local function flagIOC(frame) 	-- Implement  which previously called this module three times. 	-- Returns <flag> <country link> <athletes>, with the third value optional 	local args = frame:getParent().args 	local code = stripToNil(args[1]) or error('flagIOC পরামিতি 1 অবশ্যই দেশের কোড হতে হবে') 	local games = stripToNil(args[2]) 	local athletes = stripToNil(args[3]) 	games = games and (games .. ' অলিম্পিক') or 'অলিম্পিক' 	local parms = { 		alias = code, 		fullName = games, 		year = games:match('^%d+'), 		games = games:gsub('^%d+ ?', ), 	} 	local fullName = countryAlias(parms) 	parms.flag = true 	return (('[[File:{flag}|22x20px|border|alt=|link=]] [[{games}ে {name}|{name}]]{athletes}') 		:gsub('{(%w+)}', { 			athletes = athletes and 				(' (' .. athletes .. ')') or 				, 			flag = countryAlias(parms), 			games = convert('bn', tostring(games)), 			name = fullName, 		})) end  local function flagXYZ(frame) 	-- Implement  and its variants which previously called this module three times. 	-- Returns one of four possible outputs: 	--	from flagIOC2:			<flag> <country link> <athletes>, with the third value optional 	--	from flagIOC2team:		<flag> <country link> <country alias> 	--	from flagIOC2athlete:	<flag> <athlete(s)> <country alias/link> 	--	from flagIOC2medalist:	<athlete(s)><flag> <country link> 	local args = frame:getParent().args 	local dispType = stripToNil(frame.args['type']) 	local code=	local games= 	local athletes=	if dispType == 'name' or dispType == 'team' then 		code = stripToNil(args[1]) or error('প্যারামিটার 1 একটি দেশের কোড হওয়া উচিত') 		games = stripToNil(args[2]) or error('প্যারামিটার 2 একটি প্রতিযোগিতার নাম হওয়া উচিত') 		athletes = stripToNil(args[3]) 	elseif dispType == 'athlete' or dispType == 'medalist' then 		athletes = stripToNil(args[1]) or error('প্যারামিটার 1 ক্রীড়াবিদের নাম হওয়া উচিত') 		code = stripToNil(args[2]) or error('প্যারামিটার 2 একটি দেশের কোড হওয়া উচিত') 		games = stripToNil(args[3]) or error('প্যারামিটার 3 একটি প্রতিযোগিতার নাম হওয়া উচিত') 	end 	local dispName = stripToNil(args.name) 	 	local parms = { 		alias = code, 		fullName = games, 		year = games:match('^%d+'), 		games = games:gsub('^%d+ ?', ), 	} 	local fullName = countryAlias(parms) 	parms.flag = true 	 	if dispType == 'name' then 		return (('[[File:{flag}|22x20px|border|alt=|link=]] [[{games}ে {name}|{dispName}]]{athletes}') 			:gsub('{(%w+)}', { 				athletes = athletes and 					(' (' .. athletes .. ')') or 					'', 				flag = countryAlias(parms), 				games = convert('bn', tostring(games)), 				name = fullName, 				dispName = dispName or fullName, 			})) 	elseif dispType == 'team' then 		return (('[[File:{flag}|22x20px|border|alt=|link=]] [[{games}ে {name}|{dispName}]]{alias}') 			:gsub('{(%w+)}', { 				alias = (' (' .. code .. ')'), 				flag = countryAlias(parms), 				games = convert('bn', tostring(games)), 				name = fullName, 				dispName = dispName or fullName, 			})) 	elseif dispType == 'athlete' then 		return (('[[File:{flag}|22x20px|border|alt=|link=]] {athletes} ([[{games}ে {name}|{dispName}]])') 			:gsub('{(%w+)}', { 				athletes = athletes, 				flag = countryAlias(parms), 				games = convert('bn', tostring(games)), 				name = fullName, 				dispName = code, 			})) 	elseif dispType == 'medalist' then 		return (('{athletes}[[File:{flag}|23x15px|border|alt=|link=]] [[{games}ে {name}|{dispName}]]') 			:gsub('{(%w+)}', { 				athletes = athletes, 				flag = countryAlias(parms), 				games = convert('bn', tostring(games)), 				name = fullName, 				dispName = dispName or fullName, 			})) 	end end local function main(frame) 	return countryAlias(frame.args) end  return { 	flagIOC = flagIOC, 	flagXYZ = flagXYZ, 	main = main, }