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################### ALIASES ##################
alias hc='herbstclient'

################## FUNCTIONS ##################

# power off after finishing mpd playlist
mpd-sleep() {
	mpc play
	while true; do
		mpc status
		mpc idle player
		if [[ -z "$(mpc status | grep playing)" ]]; then
			poweroff
		fi
	done
}

# list stats about mpd library file types, to motivate me
# to do better!
mpd-filetypes() {
	total=$(mpc stats | grep Songs | sed 's/Songs: *//')

	# hackily yoink recognised types from mpd --version
	types=(); mpd --version \
		| sed -n '1h; 1!H; ${g; s/.*Decoders plugins:\(.*\)Output.*/\1/g; p}'\
		| tr -s ' ' '\n' | sed -e 's/.*\]//' -e '/^$/d' | sort | uniq | while read word; do
	types[$(( ${#types} + 1 ))]="$word"
	done
	types[$(( ${#types} + 1 ))]="other"

	# find the number of files of each type
	counts[${#types}]=$total
	for (( i=1; i < ${#types}; i++ )); do
		# mpc search is a little faster, but
		# return bad matches because no regex
		counts[$i]=$(find ~/music/ -type f -regextype posix-extended -regex ".*\.${types[$i]}" | wc -l)
		counts[${#types}]=$(( ${counts[${#types}]} - ${counts[$i]} ))
	done

	twidth=0
	cwidth=0
	for (( i=1; i <= ${#types}; i++ )); do
		if [[ ${counts[$i]} -eq 0 ]]; then
			percentages[$i]=0
		else
			# dunno how to make zsh math float without appending a . to integer numbers
			percentages[$i]=$(calc -p "${counts[$i]} * 100 / $total" | tr -d '~' | cut -c -4)
		fi

		# get widths for padding.
		# exclude when count == 0
		if [[ ${counts[$i]} -ne 0 ]]; then
			if [[ ${#types[$i]} -gt $twidth ]]; then
				twidth=${#types[$i]}
			fi
			if [[ ${#counts[$i]} -gt $cwidth ]]; then
				cwidth=${#counts[$i]}
			fi
		fi

	done

	# print non-empty result types
	for (( i=1; i <= ${#types}; i++ )); do
		if [[ ${counts[$i]} -ne 0 ]]; then
			printf "%${twidth}s: " "${types[$i]}"
			printf "%${cwidth}d" "${counts[$i]}"
			echo ", %${percentages[$i]}"
		fi
	done

	# print total
	linelen=$(( $twidth + $cwidth + 9 ))
	for (( i=0; i < $linelen; i++ )); do
		echo -n "="
	done

	echo -e "\ntotal: $total"
}

# capture webm
scap() {
	archey3
	sleep .1
	if [[ -f '/tmp/out.webm' ]]; then
		rm /tmp/out.webm
	fi
	echo 'recording...'
	ffmpeg -video_size 1920x1080 -framerate 30 -f x11grab -i :0.0 \
		-c:v libvpx -b:v 4M -threads 4 /tmp/out.webm > /dev/null 2>&1
}

# quickly send a file to hosted tmp dir
send() {
	if [[ "$1" ]]; then
		scp $@ shmibbles.me:http/tmp/
		if [[ $? -eq 0 ]]; then
			for name in "$@"
			do
				basename=$(basename $name)
				ssh shmibbles.me "cd http/tmp; chmod o+r '$basename'"
				name=$(echo "https://shmibbles.me/tmp/$basename"\
				| sed -e 's/ /%20/g' -e 's/?/%3f/g')
				echo $name | tr -d '\n' | xclip -i -selection clipboard
				echo $name | tr -d '\n' | xclip -i -selection primary
			done
		fi
	else
		echo "specify at least one file to send"
	fi
}

# take a screenshot, upload to /img/scrot, and update current symlink
ssh-scrot() {
	archey3

	if [[ "$1" != "" ]]; then
		name=$1
	else
		echo -n "name: "
		read name
	fi
	
	date=$(date +'%Y-%m-%d')
	
	folder="http/img/scrot"
	ssh shmibbles.me "mkdir -p $folder/$date"
	
	if [[ "${?#0}" != "" ]]; then
		return 1
	fi

	ssh shmibbles.me "rm $folder/current 2>/dev/null; ln -s $folder/$date $folder/current"
	
	for i in {3..1}; do
		echo -n "$i "
		sleep 1
	done
	
	echo 'cheese!'
	sleep .1

	scrot /tmp/$name.png
	convert -scale 250x /tmp/$name.png /tmp/${name}_small.png

	scp /tmp/$name.png /tmp/${name}_small.png shmibbles.me:http/img/scrot/$date

	echo "https://shmibbles.me/img/scrot/$date/$name.png" | tr -d '\n' | xclip -i -selection clipboard
	echo "https://shmibbles.me/img/scrot/$date/$name.png" | tr -d '\n' | xclip -i -selection primary
	echo "https://shmibbles.me/img/scrot/$date/${name}_small.png" | tr -d '\n' | xclip -i -selection clipboard
	echo "https://shmibbles.me/img/scrot/$date/${name}_small.png" | tr -d '\n' | xclip -i -selection primary

	echo 'sent!'

	rm /tmp/$name.png /tmp/${name}_small.png

}

# export a section of a video to gif
make-gif() {

	if [[ -z "$1" ]]; then
		break
	fi

	rm -f make-gif-palette.png
	rm -f make-gif-palette.png
	rm -f make-gif-in
	
	rm -f make-gif-in
	
	ln -s "$1" make-gif-in
	
	echo -n "start [00:00:00]: "
	read start
	if [[ -z "$start" ]]; then
		start="00:00:00"
	fi
	
	echo -n "length [full]: "
	read length
	if [[ -z "$length" ]]; then
		t=""
		length=""
	else
		t="-t"
	fi

	echo -n "fps [10]: "
	read fps
	if [[ -z "$fps" ]]; then
		fps="10"
	fi
	
	echo -n "width [480]: "
	read width
	if [[ -z "$width" ]]; then
		width="480"
	fi

	echo -n "use subtitles? [y/N]: "
	read subs
	if [[ "$subs" == "y" || "$subs" == "Y" ]]; then
		subs="true"
	else 
		subs=""
	fi
	
	if [[ $subs ]]; then
		ffmpeg -y -ss "$start" $t "$length" -i "$1" \
			-copyts -vf "subtitles=make-gif-in,fps=$fps,scale=$width:-1:flags=lanczos,palettegen" make-gif-palette.png
		ffmpeg -ss "$start" $t "$length" -i "$1" -i make-gif-palette.png \
			-copyts -filter_complex \
			"subtitles=make-gif-in,fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" \
			out.gif
	else
		ffmpeg -y -ss "$start" $t "$length" -i "$1" \
			-vf "fps=$fps,scale=$width:-1:flags=lanczos,palettegen" make-gif-palette.png
		ffmpeg -ss "$start" $t "$length" -i "$1" -i make-gif-palette.png -filter_complex \
			"fps=$fps,scale=$width:-1:flags=lanczos[x];[x][1:v]paletteuse" \
			out.gif
	fi

	rm -f make-gif-palette.png
	rm -f make-gif-in
}

# um...
fuck() {
	fuck="fuck"
	while true; do
		echo -en "\e[$((RANDOM%2));$((RANDOM%8+30))m"

		for i in {1..4}; do
			if [[ $((RANDOM%2)) -eq 1 ]]; then
				echo -n $fuck[$i] | tr '[:lower:]' '[:upper:]'
			else
				echo -n $fuck[$i]
			fi
		done

		for i in {1..$((RANDOM%20))}; do
			echo -n " "
		done
	done
}