#!/bin/bash

polaur_url="https://github.com/polaur"
feed_URL="https://forum.archlinux.org.pl/extern.php?action=feed&tid=615&type=atom"
feed_number=8
download_path="${HOME}/.cache/polaur"

makepkg_flags="-fsirc"

# colors
RESET="\e[0m"
RED="\e[1;31m"
GREEN="\e[1;32m"
YELLOW="\e[1;33m"
BLUE="\e[1;34m"
MAGENTA="\e[1;35m"
CYAN="\e[1;36m"
BOLD="\e[1;39m"

error() {
	echo -e "-------------------------------"
	echo -e "${RED}$(gettext 'Niepoprawny wybór:')${RESET} $@"
	echo -e "$(gettext 'Wracam do menu głównego.')"
	echo -e "-------------------------------\n"
	read -rsn 1 -p "$(gettext 'Naciśnij dowolny przycisk, aby kontynuować...')"
	clear
}

error2() {
	echo -e "${RED}$(gettext 'Niepoprawny wybór:')${RESET} $@. $(gettext 'Pomijam')"
}

show_title() {
	# downloading POLAUR main github site
	curl -s "${polaur_url}" | sed 's/Asset 1//g' > /tmp/polaur

	# title and description
	#title=$( cat /tmp/polaur | grep -E '<title>' | sed -e 's/<[^>]*>//g' | awk '{$1=$1}1' )
	#desc=$( cat /tmp/polaur | grep -E 'class="org.description"' | sed -e 's/<[^>]*>//g' | awk '{$1=$1}1' )
	title=$( grep -E '<title>' /tmp/polaur | sed -e 's/<[^>]*>//g' | awk '{$1=$1}1' )
	# desc=$( grep -E 'class="org.description"' /tmp/polaur | sed -e 's/<[^>]*>//g' | awk '{$1=$1}1' )
	desc=$( grep -E 'name="description"' /tmp/polaur | sed -e 's/.*content="//;s/">//;s/ Follow.*//g' )

	clear
	echo -e "---------------------------------------------------------------------"
	echo -e "${title} - ${desc}"
	echo -e "---------------------------------------------------------------------\n"
}

show_feed() {
#	curl -s "${feed_URL}" | sed 's/<\/p>/\\n/g' | grep -E "content" | sed -e 's/<br \/>/\\n/g' -e 's/<[^>]*>//g' -e 's/]]>//g' -e 's/\&quot;/"/g' -e 's/\&#039;//g' -e 's/EDIT://g' -e  's/\&amp;/\&/g' | sed -r 's/[0-9]{2}.[0-9]{4}/& |/g' | awk '{$1=$1}1' > /tmp/polaur-feed
	curl -s "${feed_URL}" | sed 's/<\/p>/\\n/g' | grep -E "content" | sed -e 's/<br \/>/\\n/g' -e 's/<[^>]*>//g' -e 's/]]>//g' -e 's/\&quot;/"/g' -e 's/\&#039;//g' -e 's/EDIT://g' -e  's/\&amp;/\&/g' | awk '{$1=$1}1' > /tmp/polaur-feed

	echo -e "${BOLD}$(gettext 'Najnowsze wiadomości')${RESET}\n"
	n=1; while IFS= read -r line || [[ "$line" ]]; do
		if [[ "$n" -le "${feed_number}" ]]; then
			local czas=$( echo "$line" | awk -F'|' '{print $1}' )
			local tresc=$( echo "$line" | awk -F'|' '{print $2}' )
			echo -e "${BOLD}${czas}${RESET}${tresc}\n"
		fi
		(( n++ ))
	done < /tmp/polaur-feed
}

list_packages() {
	# list description and packages names to file
	curl -s "${polaur_url}/$@" | awk NF | grep -E 'name="description|js-navigation-open Link--primary"' -A 1 | sed -e 's/.*content="//;s/>"//g' -e "s/- polaur\/$@//g" -e 's/<[^>]*>//g' -e 's/README.md//g' -e 's/Files//g' -e 's/.gitignore//g' -e 's/--//;s/ ">//g' | awk '{$1=$1}1' | awk NF > /tmp/polaur-packages

	# put descriptions to $repoDesc, and packages names to array pkgNames
	pkgNames=()
	n=1; while IFS= read -r line || [[ "$line" ]]; do
		if [[ "$n" -eq 1 ]]; then
			repoDesc="${line}"
		else
			pkgNames+=( "${line}" )
		fi
		(( n++ ))
	done < /tmp/polaur-packages

	# print header
	echo -e "-------------------------------"
	echo -e "$( gettext 'Wybrano: ' ) ${GREEN}$@${RESET}"
	echo -e "$( gettext 'Opis: ' ) ${repoDesc}\n"
	# print packages list
	columns=$(tput cols)

	if [[ "${columns}" -le 120 ]]; then
		devider=2
	elif [[ "${columns}" -ge 170 ]]; then
		devider=4
	else
		devider=3
	fi

	n=0; for i in "${pkgNames[@]}"; do
		if [[ $(( $(($n+1)) % $devider )) -eq 0 ]]; then
		#echo -e "${YELLOW}$(( $n+1 ))${RESET}. ${pkgNames[$n]}"
			printf "$(( $n+1 )). ${pkgNames[$n]}\n"
		else
			printf "$(( $n+1 )). ${pkgNames[$n]};"
		fi
		(( n++ ))
	done | column -t -s';'
}

download() {
	# if svn is installed
	#if [[ -e "/usr/bin/svn" ]]; then
	#	echo -e "$(gettext 'Pobieranie') ${pkgNames[$(( $@-1 ))]}"
	#	mkdir -p "${download_path}/${repoNames[$(( $k-1 ))]}"
	#	cd "${download_path}/${repoNames[$(( $k-1 ))]}"
	#	svn --quiet --force export "${polaur_url}/${repoNames[$(( $k-1 ))]}/trunk/${pkgNames[$(( $@-1 ))]}"
	#else
	# if svn is NOT installed
		mkdir -p "${HOME}/.cache/polaur/.gt"

		if [[ -d "${HOME}/.cache/polaur/.gt/${repoNames[$(( $k-1 ))]}" ]]; then
			cd "${HOME}/.cache/polaur/.gt/${repoNames[$(( $k-1 ))]}"
			git fetch --all --quiet
			git reset --hard --quiet
			git pull --quiet "https://github.com/polaur/${repoNames[$(( $k-1 ))]}.git"
		else
			echo -e "$(gettext 'Pierwsze klonowanie repozytorium, może potrwać chwilę...')"
			cd "${HOME}/.cache/polaur/.gt"
			git clone --quiet "https://github.com/polaur/${repoNames[$(( $k-1 ))]}.git" "${repoNames[$(( $k-1 ))]}"
		fi
		echo -e "$(gettext 'Pobieranie') ${pkgNames[$(( $@-1 ))]}..."

		mkdir -p "${download_path}/${repoNames[$(( $k-1 ))]}"
		cp -rf "${HOME}/.cache/polaur/.gt/${repoNames[$(( $k-1 ))]}/${pkgNames[$(( $@-1 ))]}" "${download_path}/${repoNames[$(( $k-1 ))]}"
	#fi
}

build() {
	cd "${download_path}/${repoNames[$(( $k-1 ))]}/${pkgNames[$(( $@-1 ))]}"
	#echo "${download_path}/${repoNames[$(( $k-1 ))]}/${pkgNames[$(( $@-1 ))]}"

	# workaround for 4k-ffmpeg package
	if [[ "${pkgNames[$(( $@-1 ))]}" == "4kslideshowmaker-ffmpeg" ]] || [[ "${pkgNames[$(( $@-1 ))]}" == "4kvideodownloader-ffmpeg" ]] || [[ "${pkgNames[$(( $@-1 ))]}" == "4kvideotomp3-ffmpeg" ]] || [[ "${pkgNames[$(( $@-1 ))]}" == "4kyoutubetomp3-ffmpeg" ]] ; then
		makepkg -fsrc
		echo -e "${GREEN}==>${RESET} ${BOLD}Instalowanie grupy pakietów ${pkgNames[$(( $@-1 ))]} za pomocą pacman -U...${RESET}"
		sudo pacman -U *.pkg*
		\rm  *.pkg* &> /dev/null
	else
		makepkg "${makepkg_flags}"
	fi
}

show_repositories() {
	# downloading POLAUR main github site
	# curl -s "${polaur_url}" | sed 's/Asset 1//g' > /tmp/polaur
	curl -sL "${polaur_url}" > /tmp/polaur

	# put available repos to file
	#cat /tmp/polaur | grep -E 'itemprop="name codeRepository"' | awk -F'"' '{print $8}' | cut -b 9- > /tmp/polaur-repos
	# awk '/codeRepository/{f=NR} f && NR==f+1' /tmp/polaur | awk '{$1=$1}1' > /tmp/polaur-repos
	grep '<a itemprop="name codeRepository"' /tmp/polaur | sed -e 's/.*href="\/polaur\///g' | awk -F'"' '{print $1}' | grep -vE "wip|delta|debug" | sort > /tmp/polaur-repos

	# put repos names to array repoNames
	repoNames=()
	while IFS= read -r line || [[ "$line" ]]; do
		repoNames+=( "${line}" )
	done < /tmp/polaur-repos

	# print menu
	d=0
	while [ "$d" -eq 0 ]; do
		clear
		show_title
		echo -e "$(gettext 'Wybierz repozytorium, by zobaczyć zawarte w nim pakiety:')\n"

		# print list of repos
		m=0; for i in ${repoNames[@]}; do
			echo -e "${YELLOW}$(( $m+1 ))${RESET}. ${repoNames[$m]}   "
			(( m++ ))
		done
		echo -e "${YELLOW}q${RESET}. $(gettext 'Zakończ')"
		read -rsn 1 k

		case "$k" in
			"q")
				exit ;;
			"$k")
				if [[ "$k" -gt 0 && "$k" -le "${#repoNames[@]}" ]]; then
					# print list of available packages
					clear
					list_packages ${repoNames[$(( $k-1 ))]}

					echo -e "\n$(gettext 'Naciśnij dowolny przycisk, by powrócić do głównego menu lub')"
					echo -e "${YELLOW}d${RESET}. $(gettext 'Pobierz wybrane') \t${YELLOW}a${RESET}. $(gettext 'Pobierz wszystko') \t${YELLOW}b${RESET}. $(gettext "Zbuduj wybrane") \n${YELLOW}q${RESET}. $(gettext 'Zakończ')"
					read -rsn 1 kk

					echo
					case "$kk" in
						"q")
							exit ;;
						"d")
							read -a num -p "$(gettext 'Podaj numery pakietów (rozdzielone spacjami):') "
							read -r -p "$(gettext 'Podaj pełną ścieżkę katalogu docelowego (/ścieżka), ENTER=domyślnie') (${download_path}): " path
							echo
							[[ "${path}" ]] && download_path="${path}"
							[[ ! -d "${download_path}" ]] && mkdir -p ${download_path}

							#[[ ! -e "/usr/bin/svn" ]] && echo -e "\n$(gettext '"svn" nie jest zainstalowane w systemie - pobieram używając "git clone')\n"
							for choice in "${num[@]}"; do
								if [[ $choice -gt 0 && $choice -le ${#pkgNames[@]} ]]; then
									download "${choice}"
									list="${list} ${pkgNames[$(( $choice-1 ))]}"
									d=1
								else
									error2 "$choice"
									d=1
								fi
							done
							echo -e "\n${GREEN}${list}${RESET} $(gettext 'pobrano do') ${download_path}/${repoNames[$(( $k -1 ))]}" ;;
						"b")
							read -a num -p "$(gettext 'Podaj numery pakietów (rozdzielone spacjami):') "
							#read -r -p "$(gettext 'Podaj pełną ścieżkę katalogu docelowego (/ścieżka), ENTER=domyślnie') (${download_path}): " path
							echo
							[[ "${path}" ]] && download_path="${path}"
							[[ ! -d "${download_path}" ]] && mkdir -p ${download_path}

							for choice in "${num[@]}"; do
								if [[ $choice -gt 0 && $choice -le ${#pkgNames[@]} ]]; then
									download "${choice}"
									build "${choice}"
									list="${list} ${pkgNames[$(( $choice-1 ))]}"
									d=1
									echo
								else
									error2 "$choice"
									d=1
									echo
								fi
							done ;;
							#echo -e "\n${GREEN}${list}${RESET} $(gettext 'pobrano do') ${download_path}/${repoNames[$(( $k -1 ))]}" ;;
						"a")
							#[[ ! -e "/usr/bin/svn" ]] && echo -e "\n$(gettext '"svn" nie jest zainstalowane w systemie - pobieram używając "git clone')\n"
							n=1; while [ $n -le ${#pkgNames[@]} ]; do

								list="$(gettext 'Całość')"
								download "$n"
								(( n++ ))
							done
							echo -e "\n${GREEN}${list}${RESET} $(gettext 'pobrano do') ${download_path}/${repoNames[$(( $k -1 ))]}"
							d=1 ;;
						*)
							d=0 ;;
					esac
				else
					error "$k"
				fi ;;
			*)
				error "$k" ;;
		esac
	done
}

# MAIN PROGRAM
show_title
action=${1:-"-h"}
case "$action" in
	-h|--help)
		echo -e "$(gettext 'Lista komend:')"
		echo -e "polaur -h/--help\t$(gettext 'ta pomoc')"
		echo -e "polaur -I/--info\t$(gettext 'wiadomości rss')"
		echo -e "polaur -L/--list\t$(gettext 'dostępne repozytoria ')"
		echo -e "\t\t\t- $(gettext 'z możliwością zobaczenia jakie pakiety zawierają')"
		echo -e "\t\t\t- $(gettext 'z możliwością pobrania plików dot. wybranych pakietów')"
		echo -e "\t\t\t- $(gettext 'z możliwością zbudowania i zainstalowania wybranych pakietów')"
		#echo -e "\n$(gettext 'Pobieranie odbywa się za pomocą "svn". Jeśli nie jest zainstalowany w systemie, używana jest alternatywna metoda (git clone).')"
		echo -e "\n$(gettext 'Pobieranie odbywa się za pomocą "git clone".')"
		echo -e "$(gettext 'Przeglądając repozytoria, nie ma potrzeby używania Entera')" ;;
	-L|--list)
		show_repositories ;;
	-I|--info)
		show_feed ;;
	*)
		exit
esac
\rm -rf /tmp/polaur*