وحدة:WikidataPopulation

local p = {}


function p.nombro()
	local entity = mw.wikibase.getEntity()
	if not entity then
		return ""
	end
	local pop = entity:getBestStatements( 'P1082' )
	if (#pop == 0) or (pop[1].mainsnak.snaktype ~= "value") then
		return nil
	end
	local x = pop[1].mainsnak.datavalue.value.amount
	local i=string.find(x,"±")
	if i==nil then i=string.len(x)+1 end
	x=string.sub(x,1,i-1)
	x=string.gsub( x," ", "" )
	x=string.gsub( x,"+", "" )
	return x
end

function p.nombroQ(frame)
	local entity = mw.wikibase.getEntity(frame.args[1])
	if not entity then
		return nil
	end
	local pop = entity:getBestStatements( 'P1082' )
	if (#pop == 0) or (pop[1].mainsnak.snaktype ~= "value") then
		return nil
	end
	local x = pop[1].mainsnak.datavalue.value.amount
	local i=string.find(x,"±")
	if i==nil then i=string.len(x)+1 end
	x=string.sub(x,1,i-1)
	x=string.gsub( x," ", "" )
	x=string.gsub( x,"+", "" )
	return x
end

function p.dato() -- lit la date
	local entity = mw.wikibase.getEntityObject()
	if not entity then
		return nil
	end
    	local pop = entity:getBestStatements( 'P1082' )
	if (#pop == 0) or (pop[1].mainsnak.snaktype ~= "value") then
		return nil
	end
	v = pop[1].qualifiers["P585"]
        v = v[1].datavalue.value.time 
  return v
end

return p