local tonumber = tonumber

return function()
    return {
        messages = {
            affirmative = {
                standard = "{{placeholder}} must be positive"
            },
            negative = {
                standard = "{{placeholder}} cannot be positive"
            }
        },
        apply = function(context)
            local number = tonumber(context.input)
            if not number then
                context.result = false
                return
            end

            context.result = (number > 0)
        end
    }
end