% Author: Rok Kukovec and Iztok Fister Jr.
% CC-BY-SA-4.0 license 

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{exam-lite}[2023/02/06 Very simple Latex template for exams]

% include dependencies
%-----------------------------------------------------------
\RequirePackage{babel}
\RequirePackage{graphicx}
\RequirePackage{fancyhdr}
\RequirePackage[skip=10pt plus1pt, indent=40pt]{parskip}
\RequirePackage[T1]{fontenc} 
\RequirePackage[utf8]{inputenc}
\RequirePackage{framed}
\RequirePackage{lipsum}
\RequirePackage{datetime}
\RequirePackage{enumerate} 
\RequirePackage{totcount}


% global class options
%--------------------------------------------------------------------------------------------------------------
\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}

% Path to logo image
\def\ImagePath#1{\def\@ImagePath{#1}}
\newcommand{\pImagePath}{\@ImagePath}

% Language of the exam
\def\examlanguage#1{\def\@examlanguage{#1}}
\newcommand{\pexamlanguage}{\@examlanguage}

% Name of the subject
\def\subject#1{\def\@subject{#1}}
\newcommand{\psubject}{\@subject}

% Academic year
\def\academicyear#1{\def\@academicyear{#1}}
\newcommand{\pacademicyear}{\@academicyear}

% Date of the exam
\def\examdate#1{\def\@examdate{#1}}
\newcommand{\pexamdate}{\@examdate}

% Study program
\def\studyprogram#1{\def\@studyprogram{#1}}
\newcommand{\pstudyprogram}{\@studyprogram}

% Location of the exam (usually classroom label)
\def\location#1{\def\@location{#1}}
\newcommand{\plocation}{\@location}

% Exam period
\def\examperiod#1{\def\@examperiod{#1}}
\newcommand{\pexamperiod}{\@examperiod}

% Exam period, usually number (one subject has one or more exams)
\def\examid#1{\def\@examid{#1}}
\newcommand{\pexamid}{\@examid}

% Subacronym of the subject
\def\subacronym#1{\def\@subacronym{#1}}
\newcommand{\psubacronym}{\@subacronym}

% Name and Surname of the student
\def\namesurname#1{\def\@namesurname{#1}}
\newcommand{\pnamesurname}{\@namesurname}

% ID  of the student
\def\studentid#1{\def\@studentid{#1}}
\newcommand{\pstudentid}{\@studentid}

% Instructions
\def\instructions#1{\def\@instructions{#1}}
\newcommand{\pinstructions}{\@instructions}

% Question (translation)
\def\questiontext#1{\def\@questiontext{#1}}
\newcommand{\pquestiontext}{\@questiontext}

% Question (translation)
\def\pointstext#1{\def\@pointstext{#1}}
\newcommand{\ppointstext}{\@pointstext}

% Points (translation)
\def\points#1{\def\@points{#1}}
\newcommand{\ppoints}{\@points}

\def\instructionstext#1{\def\@instructionstext{#1}}
\newcommand{\pinstructionstext}{\@instructionstext}

\def\sumpts#1{\def\@sumpts{#1}}
\newcommand{\psumpts}{\@sumpts}

\def\writingtime#1{\def\@writingtime{#1}}
\newcommand{\pwritingtime}{\@writingtime}

\def\writingtimeminutes#1{\def\@writingtimeminutes{#1}}
\newcommand{\pwritingtimeminutes}{\@writingtimeminutes}

\def\grade#1{\def\@grade{#1}}
\newcommand{\pgrade}{\@grade}

% use declared options
%-----------------------------------------------------------

% language of the exam
\DeclareOption{exam}{%
    \def\examtype{1} % 1: izpit-exam, 2: kolokvij-midterm
}
% language of the midterm
\DeclareOption{midterm}{%
    \def\examtype{2} % 1: izpit-exam, 2: kolokvij-midterm   
}

\def\typeexam#1{\def\@typeexam{#1}}
\newcommand{\ptypeexam}{\@typeexam}

\def\aboutexamheader#1{\def\@aboutexamheader{#1}}
\newcommand{\paboutexamheader}{\@aboutexamheader}
%-----------------------------------------------------------
% Slovene version
%-----------------------------------------------------------
\DeclareOption{slovene}{%
    \if\examtype1\typeexam{IZPIT}\fi
    \if\examtype2\typeexam{VMESNI IZPIT}\fi
    \if\examtype1\examperiod{Vmesni izpit: }\fi
    \if\examtype2\examperiod{Izpitni rok: }\fi
    \namesurname{Ime in Priimek:}
    \studentid{ID Študenta:}
    \instructions{NAVODILA}
    \questiontext{Vpra\v{s}anje}
    \pointstext{to\v{c}k}
    \sumpts{Število točk: }
    \writingtime{Čas pisanja: }
    \grade{Ocena: }

    % Define a command for the logo of institution and exam information
    \newcommand{\aboutexam}[1]{
        \noindent
        \fancyfoot{}
        \renewcommand{\headrulewidth}{0pt}
        \renewcommand{\footrulewidth}{0pt}
        \pagestyle{fancy}
            \fancyhf{}
            % Show logo of author's institution on the left side
            \fancyhead[L]{\raisebox{\dimexpr-\height+\baselineskip}[0pt][0pt]{\includegraphics[width=5cm, height=4cm, keepaspectratio]{\pImagePath}}}
            % Show exam information on right side
            \fancyhead[R]{\leavevmode\large
            \begin{tabular}[t]{l@{}}
                #1
            \end{tabular}}
        \vspace*{3\baselineskip}
    }

    \aboutexamheader{\aboutexam{Predmet: \psubject \\
			   Študijsko leto: \pacademicyear \\
			   Študijski program: \pstudyprogram \\
			   \pexamperiod \pexamid \\
			   Prostor: \plocation \\
			   Datum: \displaydate{examdate}}}
      
\newcommand{\@Conjugation}{Unknown}
\newcommand{\Conjugation}[1]{\renewcommand{\@Conjugation}{#1}}
\newcommand{\Apply@Conjugation}{%
    \begingroup
        \long\def\@one{1}\long\def\@two{2}\long\def\@three{3}\long\def\@four{4}%
            \ifx\@Conjugation\@one 
                a)%
            \else
            \ifx\@Conjugation\@two
                i)%
            \else
            \ifx\@Conjugation\@three
                e)%
           \else
           \ifx\@Conjugation\@four
                e)% Due to only 1 "all-"else option - this entry is duplicated
            \else
                )%
            \fi
            \fi
            \fi
            \fi
    \endgroup
    }
}
%-----------------------------------------------------------
% English version
%-----------------------------------------------------------
\DeclareOption{english}{%
    \if\examtype1\typeexam{EXAM}\fi
    \if\examtype2\typeexam{MIDTERM}\fi
    \if\examtype1\examperiod{Exam period: }\fi
    \if\examtype2\examperiod{Midterm: }\fi
    \namesurname{Name and Surname:}
    \studentid{Student ID:}
    \instructions{INSTRUCTIONS}
    \questiontext{Question}
    \pointstext{point}
    \sumpts{Number of points: }
    \writingtime{Writing time: }
    \grade{Grade: }

    % Define a command for the logo of institution and exam information
    \newcommand{\aboutexam}[1]{
        \noindent
        \fancyfoot{}
        \renewcommand{\headrulewidth}{0pt}
        \renewcommand{\footrulewidth}{0pt}
        \pagestyle{fancy}
          \fancyhf{}
           % show logo of author's institution on the left side
          \fancyhead[L]{\raisebox{\dimexpr-\height+\baselineskip}[0pt][0pt]{\includegraphics[width=6cm, height=3.5cm, keepaspectratio]{\pImagePath}}}
          % show exam information on right side
          \fancyhead[R]{\leavevmode\large
          \begin{tabular}[t]{l@{}}
            #1
          \end{tabular}}
        \vspace*{3\baselineskip}
    }

    \aboutexamheader{\aboutexam{Subject: \psubject \\
			   Study year: \pacademicyear \\
			   Study program: \pstudyprogram \\
			   \pexamperiod \pexamid \\
			   Place: \plocation \\
			   Date: \displaydate{examdate}}}

\newcommand{\@Conjugation}{Unknown}
\newcommand{\Conjugation}[1]{\renewcommand{\@Conjugation}{#1}}
\newcommand{\Apply@Conjugation}{%
    \begingroup
        \long\def\@one{1}%
            \ifx\@Conjugation\@one 
                )%
            \else
                s)%
            \fi
    \endgroup
    }
      
}
\newtotcounter{sum_pts}
%-----------------------------------------------------------
% Process options
%-----------------------------------------------------------
\ProcessOptions\relax
% Load class
\LoadClass[a4paper,onecolumn]{article}
%--------------------------------------------------------------------------------------------------------------
% Set page margins
%-----------------------------------------------------------
\addtolength{\oddsidemargin}{-.800in}
\addtolength{\evensidemargin}{-.800in}
\addtolength{\textwidth}{1.75in}
\addtolength{\topmargin}{-.800in}
\addtolength{\textheight}{1.75in}
 \setlength{\headheight}{12.05pt}

% Set a little indendation for paragraphs
\setlength{\parindent}{0.1em}

% Space between paragraphs
\setlength{\parskip}{1em}
%-----------------------------------------------------------
% First page
%-----------------------------------------------------------
\newcommand{\makefirstpage}{
    \large
    \paboutexamheader
    
    \noindent\makebox[\linewidth]{\rule{0.9\paperwidth}{0.4pt}}
    
    \psumpts\:\:\:\:\:\:\:/\total{sum_pts} \hfill \pwritingtime \pwritingtimeminutes min
    \vspace{-1.2cm}
    \begin{center}\textbf{{\LARGE\ptypeexam}}\end{center}
    \vspace{1cm}
    \pnamesurname\hrulefill
    \vspace{0.5cm}
    
    \pstudentid\hrulefill
    \vspace{0.5cm}

    \pgrade\hrulefill
    \vspace*{4\baselineskip}
    
    \noindent\underline{\pinstructions}
    \vspace{5mm}
    \pinstructionstext
}
%-----------------------------------------------------------
% Header of all pages but first
%-----------------------------------------------------------
\newcommand{\makenextheaders}{
    \newpage % put question in a new page
    \lhead{\displaydate{examdate}}
    \rhead{\pacademicyear}
    \chead{{\large\psubject}}
    % space between head and first question (text)
    \setlength{\headsep}{0.4in}
    \cfoot{\thepage}
    \setlength{\footskip}{30pt}
}
%-----------------------------------------------------------
% Commands for questions
%-----------------------------------------------------------

% Question counter command - Question i
\newcommand{\qncounter}[1]{\paragraph{\underline{\pquestiontext{ #1}}}\hfill\\\vspace{2mm}\\}

% Basic Question command - #1 What is ...? #2 No. pts #3 vspace in cm (points next to question)
\newcommand{\question}[3]{{\parbox{14cm}{#1}} {\Conjugation{#2} \addtocounter{sum_pts}{#2}\hfill\textsc{(#2~\ppointstext\Apply@Conjugation}}{\vspace{#3 cm}}}

% Long Question command - #1 What is ...? #2 No. pts #3 vspace in cm (points under question)
\newcommand{\longquestion}[3]{{\parbox{16.5cm}{#1}} {\Conjugation{#2} \addtocounter{sum_pts}{#2}\hfill\\\hspace*{\fill}\textsc{(#2~\ppointstext\Apply@Conjugation}}{\vspace{#3 cm}}}

% Alinea command - \item #1 What is ...? #2 No. pts #3 vspace in cm
\newcommand{\alinea}[3]{\item \!\!)\:{\parbox{12cm}{#1}} {\Conjugation{#2} \addtocounter{sum_pts}{#2}\hfill\textsc{(#2~\ppointstext\Apply@Conjugation}{\vspace{#3 cm}}}}