#!/usr/bin/env bash


PREFIX="/usr"
INFODESC=\''My Little Ponies for your terminal'\'
CPPFLAGS=""
CFLAGS=""
LDFLAGS=""

compileMethods='all'

completions='completion/bash-completion.sh completion/fish-completion.fish completion/zsh-completion.zsh'
shareDirs='ponies ttyponies quote'
manFiles='manuals/manpage.6 manuals/manpage.es.6'
licenseFiles='COPYING'



function getcompdir()
{
    if   [ "$1" == 'bash' ]; then  echo -n 'bash-completion/completions'
    elif [ "$1" == 'fish' ]; then  echo -n 'fish/completions'
    elif [ "$1" == 'zsh'  ]; then  echo -n 'zsh/site-functions'
    fi
}

function getcompfile()
{
    if   [ "$1" == 'bash' ]; then  echo -n "$2"
    elif [ "$1" == 'fish' ]; then  echo -n "$2"'.fish'
    elif [ "$1" == 'zsh'  ]; then  echo -n '_'"$2"
    fi
}



for arg in "$@"; do
    opt="${arg%%=*}"
    val="${arg##*=}"
    if [ "$opt" = '--prefix' ]; then
	PREFIX="$val"
    elif [ "$opt" = '--info-desc' ]; then
	INFODESC=\'"$(sed -e s/\'/\''\\'\'\'/g <<<"$val")"\'
    fi
done



function correctPrefix()
{
    for file in "$@"; do
	echo -en '\t'
	echo 'sed -e '\''s/'\''\'\'''\''\/usr\//'\''\'\''"$(SED_PREFIX)"'\''\//g'\'' < "'"$file"'" > "'"$file"'.install"'
    done
}

function gzCompress()
{
    for file in "$@"; do
	echo -en '\t'
	echo 'gzip -9 -f < "'"$file"'" > "'"$file"'".gz'
    done
}

function thinkCompletion()
{
    for file in "$@"; do
	echo -en '\tsed '
	echo -n '-e '\''s/ponysay/ponythink/g'\'
	echo -n ' < "'"$file"'.install" | sed '
	echo -n '-e '\''s/\/ponythink\//\/ponysay\//g'\'
	echo -n '-e '\''s/\\\/ponythink\\\//\\\/ponysay\\\//g'\'
	thinkfile="${file%%.*}-think.${file##*.}"
	echo ' > "'"$thinkfile"'"'
    done
}



echo "PREFIX = $PREFIX"
echo "INFODESC = $INFODESC"
echo "CPPFLAGS = $CPPFLAGS"
echo "CFLAGS = $CFLAGS"
echo "LDFLAGS = $LDFLAGS"



function makeMakefile()
{
    echo 'PREFIX='\'"$PREFIX"\'
    echo 'CPPFLAGS='\'"$CPPFLAGS"\'
    echo 'CFLAGS='\'"$CFLAGS"\'
    echo 'LDFLAGS='\'"$LDFLAGS"\'
    echo 'INSTALLDIR="$(DESTDIR)$(PREFIX)"'
    echo 'SED_PREFIX=$$(sed -e '\''s/\//\\\//g'\'' <<<$(PREFIX))'
    echo
    echo 'default: '"$compileMethods"
    echo
    echo 'all: core truncater manpages infomanual ponysaycompletion ponythinkcompletion'
    echo
    
    echo "core:"
    correctPrefix 'ponysay.py'
    echo
    
    echo "truncater:"
    echo -en '\t'
    echo '$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o "truncater" "truncater.c"'
    echo
    
    echo 'manpages:'
    gzCompress $manFiles
    echo
    
    echo 'infomanual:'
    echo -en '\t'
    echo 'makeinfo "manuals/ponysay.texinfo"'
    gzCompress 'ponysay.info'
    echo
    
    echo 'ponysaycompletion:'
    correctPrefix $completions
    echo
    
    echo 'ponythinkcompletion: ponysaycompletion'
    thinkCompletion $completions
    echo
    
    echo 'install-min: core truncater'
    echo -en '\t' ; echo 'mkdir -p "'"$shareDir"'"'
    for dir in $shareDirs; do
	echo -en '\t' ; echo 'mkdir "$(INSTALLDIR)/share/ponysay/ponies'"$dir"'"'
	echo -en '\t' ; echo 'cp -P "'"$dir"'/"*.* "$(INSTALLDIR)/share/ponysay/ponies'"$dir"'/"'
    done
    echo
    echo -en '\t' ; echo 'mkdir -p "$(INSTALLDIR)/bin/"'
    echo -en '\t' ; echo 'install "ponysay"    "$(INSTALLDIR)/bin/ponysay"'
    echo -en '\t' ; echo 'install "ponysay.py" "$(INSTALLDIR)/bin/ponysay.py"'
    echo -en '\t' ; echo 'ln -sf  "ponysay"    "$(INSTALLDIR)/bin/ponythink"'
    echo -en '\t' ; echo 'ln -sf  "ponysay.py" "$(INSTALLDIR)/bin/ponythink.py"'
    echo
    echo -en '\t' ; echo 'mkdir   -p             "$(INSTALLDIR)/lib/ponysay/"'
    echo -en '\t' ; echo 'install -s "truncater" "$(INSTALLDIR)/lib/ponysay/truncater"'
    echo
    echo -en '\t' ; echo 'mkdir -p "$(INSTALLDIR)/share/licenses/ponysay/"'
    for file in $licenseFiles; do
	echo -en '\t'
	echo 'install "'"$file"'" "$(INSTALLDIR)/share/licenses/ponysay/'"$file"'"'
    done
    echo
    
    for completion in $completions; do
	shell="${completion##*/}"
	shell="${shell%%-*}"
	thinkfile="${completion%%.*}-think.${completion##*.}"
	shelldir='$(INSTALLDIR)/share/'"$(getcompdir $shell)"'/'
	echo 'install-'"$shell"': ponysaycompletion ponythinkcompletion'
	echo -en '\t' ; echo 'mkdir -p "'"$shelldir"'"'
	echo -en '\t' ; echo 'install "'"$completion"'" "'"$shelldir$(getcompfile $shell ponysay)"'"'
	echo -en '\t' ; echo 'install "'"$thinkfile"'"  "'"$shelldir$(getcompfile $shell ponythink)"'"'
	echo
    done
    
    echo 'install-pdf:'
    echo -en '\t'
    echo 'install "ponysay.pdf" "$(INSTALLDIR)/doc/ponysay.pdf"'
    echo
    
    echo 'install-info: infomanual'
    echo -en '\t' ; echo 'mkdir -p "$(INSTALLDIR)/share/info"'
    echo -en '\t' ; echo 'install "ponysay.info.gz" "$(INSTALLDIR)/share/info/ponysay.info.gz"'
    echo -en '\t' ; echo 'install "ponysay.info.gz" "$(INSTALLDIR)/share/info/ponythink.info.gz"'
    echo -en '\t' ; echo 'install-info --dir-file="$(INSTALLDIR)/share/info/dir" --entry="Miscellaneous" --description='"$INFODESC"' "$(INSTALLDIR)/share/info/ponysay.info.gz"'
    echo -en '\t' ; echo 'install-info --dir-file="$(INSTALLDIR)/share/info/dir" --entry="Miscellaneous" --description='"$INFODESC"' "$(INSTALLDIR)/share/info/ponythink.info.gz"'
    echo
    
    for man in $manFiles; do
	lang="${man##*manpage}"
	lang="${lang%%.6}"
	mandir="${lang/\.//}"
	echo 'install-man'"${lang/\./-}"': manpages'
	echo -en '\t' ; echo 'mkdir -p               "$(INSTALLDIR)/share/man'"$mandir"'/man6"'
	echo -en '\t' ; echo 'install "'"$man"'.gz"  "$(INSTALLDIR)/share/man'"$mandir"'/man6/ponysay.6.gz"'
	echo -en '\t' ; echo 'ln -sf  "ponysay.6.gz" "$(INSTALLDIR)/share/man'"$mandir"'/man6/ponythink.6.gz"'
	echo
    done
    
    cat <<EOF
## Scripts for maintainers

ttyponies:
	mkdir -p "ttyponies"
	for pony in \$\$(ls --color=no "ponies/"); do                                                      \\
	    echo "building ttypony: \$\$pony"                                                             ;\\
	    if [ \`readlink "ponies/\$\$pony"\` = "" ]; then                                               \\
	        ponysay2ttyponysay < "ponies/\$\$pony" | tty2colourfultty -c 1 -e > "ttyponies/\$\$pony"  ;\\
		git add "ttyponies/\$\$pony"                                                              ;\\
	    elif [ ! -f "ttyponies/\$\$pony" ]; then                                                       \\
	        ln -s \`readlink "ponies/\$\$pony"\` "ttyponies/\$\$pony"                                 ;\\
		git add "ttyponies/\$\$pony"                                                              ;\\
	    fi                                                                                             \\
	done

pdfmanual:
	texi2pdf "manuals/ponysay.texinfo"
	git add  "manuals/ponysay.texinfo" "ponysay.pdf"
	for ext in \`echo aux cp cps fn ky log pg toc tp vr\`; do                \\
	    (if [ -f "ponysay.\$\$ext" ]; then unlink "ponysay.\$\$ext"; fi);    \\
	done
	if [ -d "ponysay.t2d" ]; then rm -r "ponysay.t2d"; fi

submodules: clean
	(cd "ponyquotes4ponysay/"; make clean)
	git submodule init
	git submodule update

quotes: submodules
	(cd "ponyquotes4ponysay/"; make -B)
	if [ -d quotes ]; then git rm "quotes/"*.*; fi
	mkdir -p "quotes"
	cp "ponyquotes4ponysay/ponyquotes/"*.* "quotes"
	git add "quotes/"*.*

EOF
}
makeMakefile > Makefile



#install: install-no-info install-info
#	@echo -e '\n\n'\
#'/--------------------------------------------------\\\n'\
#'|   ___                                            |\n'\
#'|  / (_)        o                                  |\n'\
#'|  \__   _  _      __                              |\n'\
#'|  /    / |/ |  | /  \_|   |                       |\n'\
#'|  \___/  |  |_/|/\__/  \_/|/                      |\n'\
#'|              /|         /|                       |\n'\
#'|              \|         \|                       |\n'\
#'|   ____                                           |\n'\
#'|  |  _ \  ___   _ __   _   _  ___   __ _  _   _   |\n'\
#'|  | |_) |/ _ \ | '\''_ \ | | | |/ __| / _` || | | |  |\n'\
#'|  |  __/| (_) || | | || |_| |\__ \| (_| || |_| |  |\n'\
#'|  |_|    \___/ |_| |_| \__, ||___/ \__,_| \__, |  |\n'\
#'|                       |___/              |___/   |\n'\
#'\\--------------------------------------------------/'
#	@echo 'dummy' | ./ponysay -f ./`if [[ "$$TERM" = "linux" ]]; then echo ttyponies; else echo ponies; fi`/pinkiecannon.pony | tail --lines=30 ; echo -e '\n'
#
#uninstall:
#	if [ -d "$(INSTALLDIR)/share/ponysay" ]; then                                rm -fr "$(INSTALLDIR)/share/ponysay"                              ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay"  ]; then                                 rm -fr "$(INSTALLDIR)/lib/ponysay"                                ; fi
#	if [ -f "$(INSTALLDIR)/bin/ponysay" ]; then                                  unlink "$(INSTALLDIR)/bin/ponysay"                                ; fi
#	if [ -f "$(INSTALLDIR)/bin/ponythink" ]; then                                unlink "$(INSTALLDIR)/bin/ponythink"                              ; fi
#	if [ -f "$(INSTALLDIR)/share/licenses/ponysay/COPYING" ]; then               unlink "$(INSTALLDIR)/share/licenses/ponysay/COPYING"             ; fi
#	if [ -f "$(INSTALLDIR)/share/bash-completion/completions/ponysay" ]; then    unlink "$(INSTALLDIR)/share/bash-completion/completions/ponysay"  ; fi
#	if [ -f "$(INSTALLDIR)/share/bash-completion/completions/ponythink" ]; then  unlink "$(INSTALLDIR)/share/bash-completion/completions/ponythink"; fi
#	if [ -f "$(INSTALLDIR)/share/fish/completions/ponysay.fish" ]; then          unlink "$(INSTALLDIR)/share/fish/completions/ponysay.fish"        ; fi
#	if [ -f "$(INSTALLDIR)/share/fish/completions/ponythink.fish" ]; then        unlink "$(INSTALLDIR)/share/fish/completions/ponythink.fish"      ; fi
#	if [ -f "$(INSTALLDIR)/share/zsh/site-functions/_ponysay"; ]; then           unlink "$(INSTALLDIR)/share/zsh/site-functions/_ponysay"          ; fi
#	if [ -f "$(INSTALLDIR)/share/zsh/site-functions/_ponythink"; ]; then         unlink "$(INSTALLDIR)/share/zsh/site-functions/_ponythink"        ; fi
#	if [ -f "$(INSTALLDIR)/share/man/man6/ponysay.6.gz" ]; then                  unlink "$(INSTALLDIR)/share/man/man6/ponysay.6.gz"                ; fi
#	if [ -f "$(INSTALLDIR)/share/man/man6/ponythink.6.gz" ]; then                unlink "$(INSTALLDIR)/share/man/man6/ponythink.6.gz"              ; fi
#	if [ -f "$(INSTALLDIR)/share/man/es/man6/ponysay.6.gz" ]; then               unlink "$(INSTALLDIR)/share/man/es/man6/ponysay.6.gz"             ; fi
#	if [ -f "$(INSTALLDIR)/share/man/es/man6/ponythink.6.gz" ]; then             unlink "$(INSTALLDIR)/share/man/es/man6/ponythink.6.gz"           ; fi
#	if [ -f "$(INSTALLDIR)/share/info/ponysay.info.gz" ]; then                   unlink "$(INSTALLDIR)/share/info/ponysay.info.gz"                 ; fi
#	if [ -f "$(INSTALLDIR)/share/info/ponythink.info.gz" ]; then                 unlink "$(INSTALLDIR)/share/info/ponythink.info.gz"               ; fi
#	if [ -f "$(INSTALLDIR)/doc/ponysay.pdf" ]; then                              unlink "$(INSTALLDIR)/doc/ponysay.pdf"                            ; fi
#
#clean:
#	if [ -f "truncater" ]; then                                rm -f "truncater"                              ; fi
#	if [ -f "completion/bash-completion-think.sh" ]; then      rm -f "completion/bash-completion-think.sh"    ; fi
#	if [ -f "completion/fish-completion-think.fish" ]; then    rm -f "completion/fish-completion-think.fish"  ; fi
#	if [ -f "completion/zsh-completion-think.zsh" ]; then      rm -f "completion/zsh-completion-think.zsh"    ; fi
#	if [ -f "completion/bash-completion.sh.install" ]; then    rm -f "completion/bash-completion.sh.install"  ; fi
#	if [ -f "completion/fish-completion.fish.install" ]; then  rm -f "completion/fish-completion.fish.install"; fi
#	if [ -f "completion/zsh-completion.zsh.install" ]; then    rm -f "completion/zsh-completion.zsh.install"  ; fi
#	if [ -f "manuals/manpage.6.gz" ]; then                     rm -f "manuals/manpage.6.gz"                   ; fi
#	if [ -f "manuals/manpage.es.6.gz" ]; then                  rm -f "manuals/manpage.es.6.gz"                ; fi
#	if [ -f "ponysay.info.gz"  ]; then                         rm -f "ponysay.info.gz"                        ; fi
#	if [ -f "ponysay.py.install" ]; then                       rm -f "ponysay.py.install"                     ; fi
#
#uninstall-old:
#	if [ -d "$(INSTALLDIR)/share/ponies" ]; then                                 rm -fr "$(INSTALLDIR)/share/ponies"                               ; fi
#	if [ -d "$(INSTALLDIR)/share/ttyponies" ]; then                              rm -fr "$(INSTALLDIR)/share/ttyponies"                            ; fi
#	if [ -f "$(INSTALLDIR)/bin/ponysaytruncater" ]; then                         unlink "$(INSTALLDIR)/bin/ponysaytruncater"                       ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/link.pl"  ]; then                         unlink "$(INSTALLDIR)/lib/ponysay/link.pl"                        ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/linklist.pl"  ]; then                     unlink "$(INSTALLDIR)/lib/ponysay/linklist.pl"                    ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/pq4ps"  ]; then                           unlink "$(INSTALLDIR)/lib/ponysay/pq4ps"                          ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/pq4ps.pl"  ]; then                        unlink "$(INSTALLDIR)/lib/ponysay/pq4ps.pl"                       ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/pq4ps-list"  ]; then                      unlink "$(INSTALLDIR)/lib/ponysay/pq4ps-list"                     ; fi
#	if [ -d "$(INSTALLDIR)/lib/ponysay/pq4ps-list.pl"  ]; then                   unlink "$(INSTALLDIR)/lib/ponysay/pq4ps-list.pl"                  ; fi
#
#clean-old:
#	if [ -f "ponysaytruncater" ]; then  rm -f "ponysaytruncater"; fi
#