% Author     : C. Pierquet
% licence    : Released under the LaTeX Project Public License v1.3c or later, see http://www.latex-project.org/lppl.txtf

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{randintlist}[2024/09/24 0.1.1 Create a list of random numbers with or without multiple values]

%------History
% 0.1.1	Possibility to exclude values
% 0.1.0	Initial version

%------Packages
\RequirePackage{simplekv}
\RequirePackage{listofitems}
\RequirePackage{randomlist}
\RequirePackage{xintexpr}
\RequirePackage{xstring}
\RequirePackage{ifthen}

%-----Macros (latex3) for sorting and seed
\ExplSyntaxOn
\cs_new_eq:NN \randintseed \sys_gset_rand_seed:n
\NewDocumentCommand\intascsortlist{m}
{
	\clist_sort:Nn #1
	{
		\fp_compare:nNnTF {##1} > {##2}
		{ \sort_return_swapped: }
		{ \sort_return_same: }
	}
}
\NewDocumentCommand\intdessortlist{m}
{
	\clist_sort:Nn #1
	{
		\fp_compare:nNnTF {##1} < {##2}
		{ \sort_return_swapped: }
		{ \sort_return_same: }
	}
}
\ExplSyntaxOff

%----Internal macro (latex2) for testing if element is in list
\newcommand\ifintvalueinlist[2]{\IfSubStr{,#2,}{,#1,}}

\newcommand\boolvalueinlist[2]{\IfSubStr{,#2,}{,#1,}{\def\resisinlist{1}}{\def\resisinlist{0}}}

\newcommand\xintifintvalueinlist[4]{%
	\IfSubStr{,#2,}{,#1,}{\xdef\RESTMPVALUE{1}}{\xdef\RESTMPVALUE{0}}%
	\xintifboolexpr{ \RESTMPVALUE == 1}{#3}{#4}%
}

%----Macro for generating
\defKV[randomlistintegers]{%
	min=\def\TAEEmin{#1},%
	max=\def\TAEEmax{#1},%
	nb=\def\TAEEnb{#1},%
	sep=\def\TAEEsep{#1},%
	sort=\def\TAEEtri{#1},%
	seed=\def\TAEEseed{#1},%
	exclude=\def\TAEEexcluded{#1}
}

\setKVdefault[randomlistintegers]{%
	min=1,%
	max=50,%
	nb=6,%
	sep={,},%
	sort=no,%
	repeat=false,%
	seed={-},%
	exclude={}
}

\NewList{tmprandintlist}

\NewDocumentCommand\randintlist{ O{} m }{%1=keys,2=listname
	\useKVdefault[randomlistintegers]%
	\setKV[randomlistintegers]{#1}%
	\ifboolKV[randomlistintegers]{repeat}%repeat or not
		{%repeat allowed
			\IfStrEq{\TAEEseed}{-}%
				{}%
				{%
					\randintseed{\TAEEseed}%
				}%
			%list creation of first element
			\def\resisinlist{1}%
			\whiledo{\resisinlist=1}{%
				\xdef\tmpresrandint{\fpeval{randint(\TAEEmin,\TAEEmax)}}%
				\boolvalueinlist{\tmpresrandint}{\TAEEexcluded}%
			}%
			\xdef#2{\tmpresrandint}%
			%list creation of other elements
			\xintFor* ##1 in {\xintSeq{2}{\TAEEnb}}%
				\do{%
					\def\resisinlist{1}%
					\whiledo{\resisinlist=1}{%
						\xdef\tmpresrandint{\fpeval{randint(\TAEEmin,\TAEEmax)}}%
						\boolvalueinlist{\tmpresrandint}{\TAEEexcluded}%
					}%
				\xdef#2{#2,\tmpresrandint}%
				}%
		}%
		{%no repeating
			%randomize numbers
			\IfStrEq{\TAEEseed}{-}%
				{}%
				{%
					\RLsetrandomseed{\TAEEseed}%
				}%
			\ClearList{tmprandintlist}%clearing the list
			\xintFor* ##1 in {\xintSeq{\TAEEmin}{\TAEEmax}}%
				\do{%
					\ifintvalueinlist{##1}{\TAEEexcluded}%
						{}%
						{%
							\InsertRandomItem{tmprandintlist}{##1}%
						}%
				}%
			%list creation (first then other)
			\xdef#2{\tmprandintlist[0]}%
			\xintFor* ##1 in {\xintSeq{1}{\TAEEnb-1}}%
				\do{%
					\xdef#2{#2,\tmprandintlist[##1]}%
				}%
		}%
	%sorting
	\IfStrEq{\TAEEtri}{asc}%if ascending
		{\intascsortlist{#2}}%
		{}%
	\IfStrEq{\TAEEtri}{des}%if descending
		{\intdessortlist{#2}}%
		{}%
	\StrSubstitute{#2}{,}{\TAEEsep}[#2]%swipping separator if necessary
}

%-----Macro for extracting
\NewDocumentCommand\getitemfromrandintlist{ O{,} m m }{%
	\IfEq{#1}{/}%
		{%
			\setsepchar[.]{#1}%
		}%
		{%
			\setsepchar{#1}%
		}%
	\readlist*\TMPLISTRANDINT{#2}%
	\TMPLISTRANDINT[#3]%
}

%-----french version
\defKV[randomlisteentiers]{%
	Min=\def\TAEEmin{#1},%
	Max=\def\TAEEmax{#1},%
	Nb=\def\TAEEnb{#1},%
	Sep=\def\TAEEsep{#1},%
	Tri=\def\TAEEtri{#1},%
	Graine=\def\TAEEseed{#1},%
	Exclure=\def\TAEEexcluded{#1}
}

\setKVdefault[randomlisteentiers]{%
	Min=1,%
	Max=50,%
	Nb=6,%
	Sep={,},%
	Tri=non,%
	Repet=false,%
	Graine={-},%
	Exclure={}
}

\NewDocumentCommand\ListeRandint{ O{} m }{%1=keys,2=listname
	\useKVdefault[randomlisteentiers]%
	\setKV[randomlisteentiers]{#1}%
	\ifboolKV[randomlisteentiers]{Repet}%repeat or not
		{%repeat allowed
			\IfStrEq{\TAEEseed}{-}%
				{}%
				{%
					\randintseed{\TAEEseed}%
				}%
			%list creation of first element
			\def\resisinlist{1}%
			\whiledo{\resisinlist=1}{%
				\xdef\tmpresrandint{\fpeval{randint(\TAEEmin,\TAEEmax)}}%
				\boolvalueinlist{\tmpresrandint}{\TAEEexcluded}%
			}%
			\xdef#2{\tmpresrandint}%
			%list creation of other elements
			\xintFor* ##1 in {\xintSeq{2}{\TAEEnb}}%
				\do{%
					\def\resisinlist{1}%
					\whiledo{\resisinlist=1}{%
						\xdef\tmpresrandint{\fpeval{randint(\TAEEmin,\TAEEmax)}}%
						\boolvalueinlist{\tmpresrandint}{\TAEEexcluded}%
					}%
				\xdef#2{#2,\tmpresrandint}%
				}%
		}%
		{%no repeating
			%randomize numbers
			\IfStrEq{\TAEEseed}{-}%
				{}%
				{%
					\RLsetrandomseed{\TAEEseed}%
				}%
			\ClearList{tmprandintlist}%clearing the list
			\xintFor* ##1 in {\xintSeq{\TAEEmin}{\TAEEmax}}%
				\do{%
					\ifintvalueinlist{##1}{\TAEEexcluded}%
						{}%
						{%
							\InsertRandomItem{tmprandintlist}{##1}%
						}%
				}%
			%list creation (first then other)
			\xdef#2{\tmprandintlist[0]}%
			\xintFor* ##1 in {\xintSeq{1}{\TAEEnb-1}}%
				\do{%
					\xdef#2{#2,\tmprandintlist[##1]}%
				}%
		}%
	%sorting
	\IfStrEq{\TAEEtri}{croiss}%if ascending
		{\intascsortlist{#2}}%
		{}%
	\IfStrEq{\TAEEtri}{decroiss}%if descending
		{\intdessortlist{#2}}%
		{}%
	\StrSubstitute{#2}{,}{\TAEEsep}[#2]%swipping separator if necessary
}

%-----Macro for extracting
\NewDocumentCommand\ExtraireEltListeRandint{ O{,} m m }{%
	\IfEq{#1}{/}%
		{%
			\setsepchar[.]{#1}%
		}%
		{%
			\setsepchar{#1}%
		}%
	\readlist*\TMPLISTRANDINT{#2}%
	\TMPLISTRANDINT[#3]%
}

\endinput