Editing Module:Location map/multi

require('Module:No globals')

local p = {}

local getArgs = require('Module:Arguments').getArgs
local locmap = require('Module:Location map')

local function switcherSeparate(s)
	if s == nil then return {} end
	local retval = {}
	for i in string.gmatch(s .. '#', '([^#]*)#') do
		i = mw.text.trim(i)
		retval[#retval + 1] = (i ~= '' and i)
	end
	return retval
end

function p.container(frame, args, map)
	local caption_list = {}
	if not args then
		args = getArgs(frame, {wrappers = 'Template:Location map+', valueFunc = locmap.valueFunc})
	end
	if not map then
		if args[1] then
			map = {}
			for mapname in string.gmatch(args[1], '[^#]+') do
				map[#map + 1] = locmap.getMapParams(mapname, frame)
			end
			if args['caption'] then
				if args['caption'] == "" then
					while #caption_list < #map do
						caption_list[#caption_list + 1] = args['caption']
					end
				else
					for caption in mw.text.gsplit(args['caption'], '##', true) do
						caption_list[#caption_list + 1] = caption
					end
				end
			end
			if #map == 1 then map = map[1] end
		else
			map = locmap.getMapParams('World', frame)
		end
	end
	if type(map) == 'table' then
		local placeslist = mw.text.gsplit(args.places, '#PlaceList#')
		local permaplaces = {}
		local numbermaps = #map
		local count = 0
		for i = 1,numbermaps do
			permaplaces[i] = {}
		end
		for place in placeslist do
			table.insert(permaplaces[count%numbermaps + 1],place)
			count = count + 1
		end
		local altmaps = switcherSeparate(args.AlternativeMap)
		if #altmaps > #map then
			error(string.format('%d AlternativeMaps were provided, but only %d maps were provided', #altmaps, #map))
		end
		local overlays = switcherSeparate(args.overlay_image)
		if #overlays > #map then
			error(string.format('%d overlay_images were provided, but only %d maps were provided', #overlays, #map))
		end
		if #caption_list > #map then
			error(string.format('%d captions were provided, but only %d maps were provided', #caption_list, #map))
		end
		local outputs = {}
		args.autoSwitcherLabel = true
		for k,v in ipairs(map) do
			args.AlternativeMap = altmaps[k]
			args.overlay_image = overlays[k]
			args.caption = caption_list[k]
			args.places = table.concat(permaplaces[k])
			outputs[k] = p.container(frame, args, v)
		end
		return '<div class="switcher-container">' .. table.concat(outputs) .. '</div>'
	else
		return locmap.top(frame, args, map) .. (args.places and args.places:gsub('%s*\n%s*', '') or '') .. locmap.bottom(frame, args, map)
	end
end

local function manyMakeArgs(fullArgs, n)
	if n == 1 then
		return {
			lat = fullArgs.lat1 or fullArgs.lat,
			long = fullArgs.long1 or fullArgs.long,
			coordinates = fullArgs.coordinates1 or fullArgs.coordinates,
			lat_deg = fullArgs.lat1_deg or fullArgs.lat_deg,
			lat_min = fullArgs.lat1_min or fullArgs.lat_min,
			lat_sec = fullArgs.lat1_sec or fullArgs.lat_sec,
			lat_dir = fullArgs.lat1_dir or fullArgs.lat_dir,
			lon_deg = fullArgs.lon1_deg or fullArgs.lon_deg,
			lon_min = fullArgs.lon1_min or fullArgs.lon_min,
			lon_sec = fullArgs.lon1_sec or fullArgs.lon_sec,
			lon_dir = fullArgs.lon1_dir or fullArgs.lon_dir,
			outside = fullArgs.outside1 or fullArgs.outside,
			mark = fullArgs.mark1 or fullArgs.mark,
			marksize = fullArgs.mark1size or fullArgs.marksize,
			link = fullArgs.link1 or fullArgs.link,
			label = fullArgs.label1 or fullArgs.label,
			label_size = fullArgs.label1_size or fullArgs.label_size,
			label_width = fullArgs.label1_width or fullArgs.label_width,
			position = fullArgs.position1 or fullArgs.pos1 or fullArgs.position or fullArgs.pos,
			background = fullArgs.background1 or fullArgs.bg1 or fullArgs.background or fullArgs.bg
		}
	else
		return {
			lat = fullArgs['lat' .. n],
			long = fullArgs['long' .. n],
			coordinates = fullArgs['coordinates' .. n],
			lat_deg = fullArgs['lat' .. n .. '_deg'],
			lat_min = fullArgs['lat' .. n .. '_min'],
			lat_sec = fullArgs['lat' .. n .. '_sec'],
			lat_dir = fullArgs['lat' .. n .. '_dir'],
			lon_deg = fullArgs['lon' .. n .. '_deg'],
			lon_min = fullArgs['lon' .. n .. '_min'],
			lon_sec = fullArgs['lon' .. n .. '_sec'],
			lon_dir = fullArgs['lon' .. n .. '_dir'],
			outside = fullArgs['outside' .. n],
			mark = fullArgs['mark' .. n],
			marksize = fullArgs['mark' .. n .. 'size'],
			link = fullArgs['link' .. n],
			label = fullArgs['label' .. n],
			label_size = fullArgs['label' .. n .. '_size'],
			label_width = fullArgs['label' .. n .. '_width'],
			position = fullArgs['position' .. n] or fullArgs['pos' .. n],
			background = fullArgs['background' .. n] or fullArgs['bg' .. n]
		}
	end
end

function p.many(frame, args, map)
	if not args then
		args = getArgs(frame, {wrappers = 'Template:Location map many', valueFunc = locmap.valueFunc})
	end
	if not args[1] then
		args[1] = 'World'
	end
	if not map then
		map = {}
		for mapname in string.gmatch(args[1], '[^#]+') do
			map[#map + 1] = locmap.getMapParams(mapname, frame)
		end
		if #map ~= 1 then
			local outputs = {}
			args.autoSwitcherLabel = true
			for k,v in ipairs(map) do
				outputs[k] = p.many(frame, args, v)
			end
			return '<div class="switcher-container">' .. table.concat(outputs) .. '</div>'
		end
		map = map[1]
	end
	local marks = {}
	local markhigh
	if args.markhigh then
		mw.log('Removed parameter markhigh used.')
		local parent = frame:getParent()
		if parent then
			mw.log('Parent is ' .. parent:getTitle())
		end
		mw.logObject(args, 'args')
		markhigh = true
	end
	for k, v in pairs(args) do -- @todo change to uargs once we have that
		if v then
			if string.sub(k, -4) == '_deg' then
				k = string.sub(k, 1, -5)
			end
			if string.sub(k, 1, 3) == 'lat' then
				k = tonumber(string.sub(k, 4))
				if k then
					table.insert(marks, k)
				end
			elseif string.sub(k, 1, 11) == 'coordinates' then
				k = tonumber(string.sub(k, 12))
				if k then
					table.insert(marks,k)
				end
			end
		end
	end
	table.sort(marks)
	if marks[1] ~= 1 and (args.lat or args.lat_deg or args.coordinates) then
		table.insert(marks, 1, 1)
	end
	local body = ''
	for _, v in ipairs(marks) do
		-- don't try to consolidate this into the above loop. ordering of elements from pairs() is unspecified
		body = body .. tostring( locmap.mark(frame, manyMakeArgs(args, v), map) )
		if args['mark' .. v .. 'high'] then
			mw.log('Removed parameter mark' .. v .. 'high used.')
			local parent = frame:getParent()
			if parent then
				mw.log('Parent is ' .. parent:getTitle())
			end
			mw.logObject(args, 'args')
			markhigh = true
		end
	end
	args.label = nil -- there is no global label
	return locmap.top(frame, args, map) .. body .. locmap.bottom(frame, args, map) .. (markhigh and '[[Category:Location maps with possible errors|Page using removed parameter]]' or '')
end

function p.load(frame, args, map)
	if not args then
		args = getArgs(frame, {frameOnly = true})
	end
	local dataModule = mw.loadData(frame.args[1])
	if not map then
		map = {}
		for mapname in string.gmatch(dataModule.containerArgs[1], '[^#]+') do
			map[#map + 1] = locmap.getMapParams(mapname, frame)
		end
		if #map ~= 1 then
			local outputs = {}
			args.autoSwitcherLabel = true
			for k,v in ipairs(map) do
				outputs[k] = p.load(frame, args, v)
			end
			return '<div class="switcher-container">' .. table.concat(outputs) .. '</div>'
		end
		map = map[1]
	end
	local marks = {}
	if dataModule.marks then
		for k,markArgs in ipairs(dataModule.marks) do
			marks[k] = tostring(locmap.mark(frame, markArgs, map))
		end
	end
	if dataModule.secondaryModules then
		for _,modname in ipairs(dataModule.secondaryModules) do
			for _,markArgs in ipairs(mw.loadData(modname).marks) do
				marks[#marks + 1] = tostring(locmap.mark(frame, markArgs, map))
			end
		end
	end
	return locmap.top(frame, dataModule.containerArgs, map) .. table.concat(marks) .. locmap.bottom(frame, dataModule.containerArgs, map)
end

return p