Linenumbering per page with XePersian and the traditionalpoem environment

Question

I’m editing an Arabic poem with XePersian and the traditionalpoem environment which works fine so far, but I have some questions regarding the line numbers and the paragraph footnotes.

(1) I would like to have line numbers per page and they should change the side of the margin according to even and uneven pages. Is this somehow possible?

(2) If I add a footnote in a specific line of the page, can I refer to this line by a specific counter? If I have different variant readings, I would like to refer to the line of the page, not to a footnote marker.

(3) Is it possible to reduce the spacing between each footnote in the footnote paragraph?

My minimal example:

\documentclass[12pt,a4paper]{book}


%XePersian and Bidipoem
\usepackage[extrafootnotefeatures, Kashida]{xepersian}
\paragraphfootnotes
\settextfont[Mapping=arabicdigits]{Amiri}
\usepackage{bidipoem}
\setdigitfont{Charis SIL}
\setlatintextfont{Charis SIL}

%Linespacing
\linespread{1.6}

%Space between the halfverses
\renewcommand\poemcolsepskip{0.5cm}

%Don’t show footnote markers
\renewcommand*{\thefootnote}{}

%Decrease space between footnotes in the paragraph
\usepackage[para]{footmisc}
\addtolength{\footskip}{0cm}
\makeatletter
\let\splitfootnoterule=\pagefootnoterule
\makeatother

%Linenumbering
\newcount\LineNumber \newcount\templinenumber
 \newdimen\linenumberskip \linenumberskip=-1em
 \chardef\linestep=2
\def\poemlinenumber{%
    \advance\LineNumber1
    \templinenumber=\LineNumber
   \computelinenumber
   }
 \def\computelinenumber{%
    \ifnum\templinenumber>\linestep
      \advance\templinenumber-\linestep
      \expandafter\computelinenumber
    \else
     \ifnum\templinenumber=\linestep
       \leavevmode\rlap{\kern\linenumberskip\the\LineNumber}%
      \fi
    \fi
   }
 \newenvironment{numberedpoem}
   {\everypar{\everypar{\poemlinenumber}}%
     \begin{traditionalpoem}}
    {\end{traditionalpoem}}


\begin{document}


% In this page, we typeset footnotes from right to left
\setRTLparagraphfootnotes

\begin{numberedpoem}

%%%%%%Verse 1%%%%%%%%%%
قِفَا نَبْكِ مِنْ ذِكْرَى حَبِيبٍ ومَنْزِلِ
&
بِسِقْطِ اللِّوَى بَيْنَ الدَّخُولِ فَحَوْمَلِ
\footnote{
(1)
ذِكْرَى ج : ذكري ب
|| الدخول ج : الذخولي ب.
}
\\
%%%%%%Verse 2%%%%%%%%%%
فَتُوْضِحَ فَالمِقْراةِ لَمْ يَعْفُ رَسْمُها
&
لِمَا نَسَجَتْهَا مِنْ جَنُوبٍ وشَمْألِ
\footnote{
(2)
جَنُوبٍ  ج : حنوب ب
}
\\

\end{numberedpoem}
\end{document}