وحدة:WikidataCheck

local p = {}

function cc(arg , c)
    if arg and arg ~= '' 
    	then return arg
		else return c
	end
end

function p.wikidatacheck(frame)
    local pframe = frame:getParent()
    local config = frame.args -- the arguments passed BY the template, in the wikitext of the template itself
    local args = pframe.args -- the arguments passed TO the template, in the wikitext that transcludes the template
    local property = config.property
    local value = config.value
    local catbase = config.category
    local namespaces = config.namespaces
	----------
    local same = cc(config.same , 'كما في ويكي بيانات')
    local notinwikidata = cc(config.notinwikidata , 'ليست على ويكي بيانات')
    local defrent = cc(config.defrent , 'مختلفة عن ويكي بيانات')
	----------
    local ok = false -- one-way flag to check if we're in a good namespace
    local ns = mw.title.getCurrentTitle().namespace
	----------
    local cate_same ="[[Category:" .. catbase .. " " .. same ..  "]]"
    local cate_notinwikidata = "[[Category:" .. catbase .. " " .. notinwikidata .. "]]"
    local cate_defrent = "[[Category:" .. catbase .. " " .. defrent ..  "]]"
	----------
    for v in mw.text.gsplit( namespaces, ",", true) do
        if tonumber(v) == ns then
            ok = true
        end
    end
	----------
    if not ok or catbase == "" or not value or value == "" then -- not in one of the approved namespaces
        return ""
    end
	----------
    local entity = mw.wikibase.getEntityObject()
    if not entity then -- no Wikidata item
        return cate_notinwikidata
    end
	----------
    local claims = entity.claims or {}
    local hasProp = claims[property]
    if not hasProp then -- no claim of that property
        return cate_notinwikidata -- bad. Bot needs to add the property
    end
	----------
    if hasProp[1].mainsnak.snaktype == 'value'
    then
	    local propValue = hasProp[1].mainsnak.datavalue.value -- This should eventually iterate over all possible values?
	    if propValue == value then
	        return cate_same -- yay!
	    else
	        return cate_defrent -- needs human review :(
	    end
	end
	----------
end
return p

وحدة:WikidataCheck

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