functions.sh

#SOME ADDED AND CHANGE IN CLI learn_cli.sh in CLASSIC
shopt -s expand_aliases
source ~/.bashrc

function pause_music(){
	kill -SIGTSTP $1
}
function start_quiz_music(){
	if [[ "$MUTE" == "0" ]]; then
		MUSIC_PID=$(ps -ef|grep "$SOUNDPLAYER_MUSIC"|grep Music|grep -v quiz|awk '{print $2}'|head -n 1)
		if [[ "$MUSIC_PID" != "" ]]; then
			pause_music $MUSIC_PID
		fi
		$SOUNDPLAYER_MUSIC_QUIZ /home/umen/.GameScript/Sounds/default/Music/quiz_1.mp3 &>/dev/null &
	fi
}
function stop_quiz_music(){
	if [[ "$MUTE" == "0" ]]; then
		MUSIC_QUIZ_PID=$(ps -ef|grep "$SOUNDPLAYER_MUSIC_QUIZ"|grep quiz|awk '{print $2}'|head -n 1)
		if [[ "$MUSIC_QUIZ_PID" != "" ]]; then
			kill $MUSIC_QUIZ_PID
		fi
	fi
}
function download_all_sounds(){
	cd $AUDIO_LOCAL || exit
	i=4
	rm to_dl.wget 2> /dev/null
	echo "Downloading Audio..."
	while [ $i -le $LINES ]; do
		echo "$AUDIO_DL/$i.mp3" >> to_dl.wget
		i=`expr $i + 1`
	done
	cat to_dl.wget | xargs -n 1 -P 4 wget -q &
}
function download_all_videos(){
	cd $VIDEO_LOCAL || exit
	i=4
	rm to_dl.wget 2> /dev/null
	echo "Downloading Videos..."
	while [ $i -le $LINES ]; do
		echo "$VIDEO_DL/$i.mp3.mp4" >> to_dl.wget
		i=`expr $i + 1`
	done
	cat to_dl.wget | xargs -n 1 -P 4 wget -q &
}
function prepare_audio(){
	AUDIO_LOCAL="$HOME/.GameScript/Audio/$LANGUAGE/classic/$CHAPTER_NAME/$SPEAKER/c$CHAPTER_NUMBER"
	mkdir -p $AUDIO_LOCAL 2> /dev/null
	AUDIO_DL="https://raw.githubusercontent.com/justUmen/GameScript/master/$LANGUAGE/classic/$CHAPTER_NAME/Audio/$SPEAKER/c$CHAPTER_NUMBER"
	AUDIOCMP=1
	if [[ "$MUTE" != 1 ]] && [[ "$VOICE" != "0" ]];then
		if [ ! -f "$AUDIO_LOCAL/4.mp3" ]; then
			wget -q --spider http://google.com
			if [ $? -eq 0 ]; then
				download_all_sounds
			else
				echo "Cannot download audio, no internet ?"
			fi
		fi
	fi
}
function prepare_video(){
	VIDEO_LOCAL="$HOME/.GameScript/Video/$LANGUAGE/classic/$CHAPTER_NAME/$SPEAKER/c$CHAPTER_NUMBER"
	mkdir -p $VIDEO_LOCAL 2> /dev/null
	VIDEO_DL="https://raw.githubusercontent.com/justUmen/GameScript/master/$LANGUAGE/classic/$CHAPTER_NAME/Video/$SPEAKER/c$CHAPTER_NUMBER"
	VIDEOCMP=1
	if [ ! -f "$VIDEO_LOCAL/4.mp3.mp4" ]; then
		wget -q --spider http://google.com
		if [ $? -eq 0 ]; then
			download_all_videos
		else
			echo "Cannot download videos, no internet ?"
		fi
	fi
}
function encode_b64(){
	echo -n "$2$1$3" | base64
}
function press_key(){
	echo -en "\e[0;33m...\e[0m"
	read -s -n1 key < /dev/tty
	if [ "$key" == 'e' ]; then
		exit
	fi
}

#TODO ???
function new_sound(){
	VOICE_PID=$(ps -f|grep "$SOUNDPLAYER"|grep -v grep|grep -v MUSIC|awk '{print $2}'|head -n 1)
	if [[ "$VOICE_PID" != "" ]]; then
		kill $VOICE_PID
	fi
	$SOUNDPLAYER "$AUDIO_LOCAL/$restore.mp3" &> /dev/null &
}

function new_video(){
	VIDEO_PID=$(ps -ef|grep "mpv --really-quiet --input-ipc-server=/tmp/southpark"|grep -v grep|awk '{print $2}'|head -n 1)
	if [[ "$VIDEO_PID" == "" ]]; then
		rm /tmp/southpark
		mpv --really-quiet --input-ipc-server=/tmp/southpark --no-config --include=~/.GameScript/mpv_config --loop=no $VIDEO_LOCAL/$restore.mp3.mp4 &
		sleep 2
		VIDEO_PID=$(ps -ef|grep "mpv --really-quiet --input-ipc-server=/tmp/southpark"|grep -v grep|awk '{print $2}'|head -n 1)
		while [[ "$VIDEO_PID" == "" ]]; do
			VIDEO_PID=$(ps -ef|grep "mpv --really-quiet --input-ipc-server=/tmp/southpark"|grep -v grep|awk '{print $2}'|head -n 1)
			sleep 1
		done
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
	else
		echo "{ \"command\": [\"loadfile\", \"$VIDEO_LOCAL/$restore.mp3.mp4\", \"replace\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
		echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
	fi
}

function talk(){
	if [[ $VIDEO == 0 ]]; then 
		if [[ $MUTE == 0 ]]; then 
			new_sound
		fi
	else
		new_video
	fi
	echo -e "($restore)\e[0;32m $1\e[0m - $2"

	#??? test delay avoid past read input
	read -s -t 1 -n 10000 discard

	#~ sleep 1
	#~ while read -r -t 0; do read -r; done
	
	#~ sleep 0.5
	#~ read -s -e -t 0.1 #flush stdin ?

	press_key
}
function talk_not_press_key(){
	if [[ $VIDEO == 0 ]]; then 
		if [[ $MUTE == 0 ]]; then 
			new_sound
		fi
	else
		new_video
	fi
	echo -e "($restore)\e[0;32m $1\e[0m - $2"
}
function talk_not_press_key_ANSWER(){
	echo -en "($restore)\e[0;32m $1\e[0m - "
	echo -ne "\\e[4;37m"
	echo -nE "$2"
	echo -e "\\e[0m"
}
function how_to_leave_chapter(){
	echo ""
	case $LANGUAGE in
		fr) echo "Pour fermer ce chapitre, appuyez sur la touche 'e' quand vous voyez ces ... " ;;
		en) echo "To close this chapter, press the key 'e' when you see these '...'" ;;
	esac
	echo ""
}

function answer_quiz(){
	#$7 = bash, from enter_chapter
	# echo " ---> $7 <--- "
	echo -e "      \\e[0;100m 1) \\e[0m $1"
	echo -e "      \\e[0;100m 2) \\e[0m $2"
	echo -e "      \\e[0;100m e) \\e[0m $3"
	key="9"
	while [ "$key" != "1" ] && [ "$key" != "2" ] && [ "$key" != "e" ]; do
		echo -en "      \\e[97;45m # \\e[0m"	
		read key < /dev/tty
	done
		# echo ""
		#~ echo -e "\\e[0;100m 0) \\e[0m Télécharger audio en avance"
		case $key in
			0) 	if [[ $VIDEO == 0 ]]; then download_all_sounds; else download_all_videos; fi ;;
			1) 	case $LANGUAGE in
					fr) ANSWER_QUIZ_TEXT="$HOME/.GameScript/restore_$7$8 existe, continuer ou recommencer le cours du début ?"
						TEXT_CONTINUE="Continuer"
						TEXT_RESTART="Recommencer"
						TEXT_BACK="Retour"
					;;
					en) ANSWER_QUIZ_TEXT="$HOME/.GameScript/restore_$7$8 already exists, continue or start lecture from the beginning ?"
						TEXT_CONTINUE="Continue"
						TEXT_RESTART="Restart"
						TEXT_BACK="Back"
					;;
				esac
				if [ -f "$HOME/.GameScript/restore_$7$8" ];then
					echo "$ANSWER_QUIZ_TEXT"
					echo -e "      \\e[0;100m 1) \\e[0m $TEXT_CONTINUE"
					echo -e "      \\e[0;100m 2) \\e[0m $TEXT_RESTART"
					echo -e "      \\e[0;100m e) \\e[0m $TEXT_BACK"
					choice="x"
					while [ "$choice" != "1" ] && [ "$choice" != "2" ] && [ "$choice" != "e" ]; do
						echo -en "      \\e[97;45m # \\e[0m"
						read choice < /dev/tty
					done
						case $choice in
							1)  cd `cat "$HOME/.GameScript/restore_pwd_$CHAPTER_NAME$CHAPTER_NUMBER"`
								how_to_leave_chapter
								start_lecture `cat "$HOME/.GameScript/restore_$CHAPTER_NAME$CHAPTER_NUMBER"`
								start_quiz
								;;
							2) 	clean
								how_to_leave_chapter
								start_lecture 1
								start_quiz
								;;
							e) exit ;;
						esac
					#~ done
				fi
				start_lecture 1
				start_quiz
				;;
			2) 	start_quiz ;;
			e) exit ;;
		esac
	#~ done
}

QUIZ_NUMBER=1
function answer_text_fr(){
	echo ""
	echo "($QUIZ_NUMBER) > $1"
	#~ echo -en "\\e[97;45m # \\e[0m"
	read -e -r -p $'\e[97;45m # \e[0m' USER_CODE < /dev/tty
	if [ ! "$USER_CODE" == "$2" ]; then
		case $LANGUAGE in
			fr) talk_not_press_key justumen "\\e[4;37mDésolé, réponse fausse ou trop longue. Je vous conseille de suivre / refaire le cours.\nSi vous pensez maitriser le contenu du cours, il y a surement un piège, relisez donc attentivement la question. :-)\nSi vous vous sentez vraiment bloqué, demandez de l'aide sur notre chat : https://rocket.bjornulf.org ou notre discord : https://discord.gg/25eRgvD\\e[0m"
				press_key
				stop_quiz_music
				#enter_chapter $CHAPTER_NAME $CHAPTER_NUMBER
				exit ;;
			en) talk_not_press_key justumen "\\e[4;37mSorry answer wrong or too long. I recommend you to do / re-do the lecture :-)\nIf you think you already understand the content of the lecture, this question is probably a trap, read the question again carefully. :-)\nIf you feel stuck, ask for help on our discord : https://discord.gg/Dj47Tpf\\e[0m"
				#enter_chapter $CHAPTER_NAME $CHAPTER_NUMBER
				press_key
				stop_quiz_music
				exit ;;
		esac
	else
		talk_not_press_key justumen "Correct !"
		QUIZ_NUMBER=`expr $QUIZ_NUMBER + 1`
	fi
}
function answer_run(){
	#~ echo -en "\\e[97;45m # \\e[0m"
	read -e -r -p $'\e[97;45m # \e[0m' USER_CODE < /dev/tty
	while [ ! "$USER_CODE" == "$1" ]; do
		if [ ! "$USER_CODE" == "" ]; then
			talk_not_press_key_ANSWER "$2" "$1"
		fi
		#~ echo -en "\\e[97;45m # \\e[0m"
		read -e -r -p $'\e[97;45m # \e[0m' USER_CODE < /dev/tty
	done
	if [ ! "$1" == "" ];then
		echo -e "\e[1m"
		printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
		#Quick solve for bash10 pb "alias a1='ls -a /var'" ???
		#~ case $1 in
			#~ a1) eval ls -a /var ;;
			#~ alias) alias ;;
			#~ *) eval "$1" ;;
		#~ esac
		eval "$1"
		printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
		echo -e "\\e[0m"
	fi
}
function start_dots(){
	echo -en "\e[0;33m...\e[0m"
}

function title(){
	echo -e "\e[1m"
	printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
	echo "$1"
	printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
	echo -e "\\e[0m"
}

black_on_green='\e[30;48;5;82m'
black_on_lightblue='\e[30;48;5;81m'
black_on_red='\e[41m'
On_Black='\e[97;40m'
reset='\e[0m'

basic=$On_Black
code=$black_on_lightblue
codeFile=$black_on_green
codeError=$black_on_red

#UNDERLINE
#~ voc='\e[1m'
voc='\e[4;37m'
#BLUE
learn='\e[40;38;5;10m'

MUTE=0
if [ "$1" == "MUTE" ]; then
	MUTE=1
fi
VIDEO=0
if [ "$1" == "VIDEO" ]; then
	VIDEO=1
fi
#~ command -v mplayer &> /dev/null && SOUNDPLAYER="mplayer -af volume=10" || SOUNDPLAYER="mpg123 --scale 100000";
#SET in gamescript.sh too (need to be similar)
command -v mplayer &> /dev/null && SOUNDPLAYER="mplayer -volume 100" || SOUNDPLAYER="mpg123";
command -v mplayer &> /dev/null && SOUNDPLAYER_MUSIC="mplayer -volume 35" || SOUNDPLAYER_MUSIC="mpg123 --scale 11445"
command -v mplayer &> /dev/null && SOUNDPLAYER_MUSIC_QUIZ="mplayer -volume 50" || SOUNDPLAYER_MUSIC_QUIZ="mpg123"

#OBSOLETE ?
#~ restore=2 #first line of LIST_4GEN should be environment test (test ~/House)
restore=1
function new_game_or_restore(){
	#restore, 1 new game, otherwise x in file PERSONAL_PROGRESS
	restore=1
	if [ -e "~/PERSONAL_PROGRESS" ]; then
		restore=`cat ~/PERSONAL_PROGRESS`
	else
		echo -n "1" > ~/PERSONAL_PROGRESS
	fi
	if [ "$1" ];then
		restore=`expr $1 - 1`
		echo -n "$1" > ~/PERSONAL_PROGRESS
	fi
}

#~ function normal_line(){
	#~ restore=$1
	#~ play_mp3 "$restore"
	#~ print_line "$line"
	#~ press_key
#~ }

function play_mp3(){
	if [ -e "sounds/$1.mp3" ];then
		mpg123 "sounds/$1.mp3" > /dev/null 2>&1 &
	fi
}
function event(){
	echo -e "\\e[0;100m $1\\e[0m"
	press_key
	#~ restore=$(expr $restore + 1)
}







function unlock(){
	#Usage : unlock "bash" "1" "24d8" "f016"
	PSEUDO=`cat "$HOME/.GameScript/username"`
	PASS=`encode_b64 $PSEUDO "$3" "$4"`
	echo ""
	case $LANGUAGE in
		fr) echo -e "Pour débloquer '$1 $2' sur rocketchat (https://rocket.bjornulf.org), ouvrez une conversation privée avec '@boti' et copiez/collez :\n\t\e[97;42mpassword$PASS\e[0m"
			echo -e "Pour débloquer '$1 $2' sur discord (https://discord.gg/25eRgvD), ouvrez le channel '#mots-de-passe-boti' et copiez/collez :\n\t\e[97;42mpassword$PASS\e[0m"
			command -v xclip &> /dev/null && echo "Ce mot de passe a été copié automatiquement avec 'xclip'." || echo "[ Installez 'xclip' pour copier ce mot de passe automatiquement après un questionnaire. ]"
			;;
		en) #echo -e "To unlock '$1 $2' on rocketchat (https://rocket.bjornulf.org), open a private conversation with '@boti' and copy/paste :\n\t\e[97;42mpassword$PASS\e[0m"
			echo -e "To unlock '$1 $2' on discord (https://discord.gg/Dj47Tpf), open the channel '#passwords-boti' and copy/paste :\n\t\e[97;42mpassword$PASS\e[0m"
			command -v xclip &> /dev/null && echo "This password was automaticaly copied with 'xclip'." || echo "[ Install 'xclip' to copy this password automaticaly after a quiz. ]"
			;;
	esac
	command -v xclip &> /dev/null && echo "$PASS" | xclip -i -selection clipboard
	#AUTOMATICALLY DO THIS ?
	touch "$HOME/.GameScript/good_$1$2" 2> /dev/null
	mkdir $HOME/.GameScript/passwords/ 2> /dev/null
	echo -n "$PASS" > "$HOME/.GameScript/passwords/$1$2"
	press_key
	echo ""
	exit
}

function enter_chapter(){
	#Usage : enter_chapter bash 1 1 (first 1 is chapter, next one is for case)
	echo ""
	case $LANGUAGE in
		fr) echo -e "      \e[97;44m - $1, Chapitre $2 \e[0m"
			answer_quiz "Cours" "Questionnaire" "Retour" "4" "5" "6" "$1" "$2" ;;
		en) echo -e "      \e[97;44m - $1, Chapter $2 \e[0m"
			answer_quiz "Lecture" "Quiz" "Back" "4" "5" "6" "$1" "$2" ;;
	esac
}










#VIDEO SOUTH PARK
function UNTIL_IDLE_IS_BACK(){
	OUT=$(echo '{ "command": ["get_property", "filename"] }' | socat - /tmp/southpark)
	#~ echo $OUT
	while [ "$OUT" != '{"data":"10FPS_idle.mp4","error":"success"}' ]; do
		OUT=$(echo '{ "command": ["get_property", "filename"] }' | socat - /tmp/southpark)
		sleep 1
	done
}
function PAUSE(){
	echo '{ "command": ["set_property", "pause", true] }' | socat - /tmp/southpark &> /dev/null
}
function UNPAUSE(){
	echo '{ "command": ["set_property", "pause", false] }' | socat - /tmp/southpark &> /dev/null
}
function LOOP_ON(){
	echo '{ "command": ["set_property", "loop", true] }' | socat - /tmp/southpark &> /dev/null
}
function LOOP_OFF(){
	echo '{ "command": ["set_property", "loop", false] }' | socat - /tmp/southpark &> /dev/null
}
function PLAYLIST_NEXT(){
	echo '{ "command": ["playlist-next"] }' | socat - /tmp/southpark &> /dev/null
}
function PLAYLIST_CLEAR(){
	echo '{ "command": ["playlist-clear"] }' | socat - /tmp/southpark &> /dev/null
}
function ADD_PLAYLIST(){
	echo "{ \"command\": [\"loadfile\", \"$1\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
	sleep 0.5
	echo "{ \"command\": [\"loadfile\", \"$HOME/.GameScript/10FPS_idle.mp4\", \"append\"] }" | socat - /tmp/southpark &> /dev/null
}
function WAIT_FOR_USER(){
	echo -n "LINE = "
	read line
}

#WORKING TEST CODE
#~ mpv --really-quiet --input-ipc-server=/tmp/southpark --playlist mpv_playlist.txt &
#~ sleep 2
#~ LOOP_ON #play idle
#~ while true; do
	#~ WAIT_FOR_USER
	
	#~ PLAYLIST_NEXT #play next video
	#~ echo "PLAY VIDEO"
	#~ LOOP_OFF
	
	#~ UNTIL_IDLE_IS_BACK
	#~ echo "BACK"
	
	#~ echo "PLAY IDLE"
	#~ LOOP_ON
#~ done