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#!/bin/sh
set -e
[ -n "$DEBUG" ] && set -x

# check requirements
for app in swaymsg jq swq; do
	if ! command -v "$app" >/dev/null; then
		printf "%s: %s not install but required" "$0" "$app" >&2
		exit 1
	fi
done

border=
wspace=
output=
geometry=
termify=
rotate=
sticky=
floating=
autotile=
while getopts b:w:o:g:I:r:stfah name; do
	case "$name" in
	b)	# border
		border="${OPTARG}" ;;
	w)	# move to workspace
		wspace="${OPTARG}" ;;
	o)	# move to output
		output="${OPTARG}" ;;
	g)	# geometry
		geometry="${OPTARG}" ;;
	t)	# termify
		termify=1 ;;
	r)	# rotate
		if ! command -v cage >/dev/null; then
			printf "%s: cage not installed but required to rotate containers" "$0" >&2
			exit 1
		fi
		rotate="${OPTARG}" ;;
	s)	# set container to sticky
		sticky=1 ;;
	f)      # set container to float
		floating=1 ;;
	a)	# auto-tiling enabled
		autotile=1 ;;
	h|?)	printf "usage: %s [-bwogIrsfo] COMMAND\n" "$(basename "$0")"
		printf "\n"
		printf "  -t \t\trun COMMAND in \$TERM\n"
		printf "  -b BORDER \tset border property\n"
		printf "  -w WORKSPACE \tmove to workspace\n"
		printf "  -o OUTPUT \tmove to output\n"
		printf "  -g GEOMETRY \tresize/position window\n"
		printf "  -r ROTATION \trotate the container, requires cage(1)\n"
		printf "  -s \t\tmake COMMAND a sticky window, appearing on all workspaces\n"
		printf "  -f \t\tmake COMMAND a floating window\n"
		printf "  -a \t\tauto-tiling; always open COMMAND on the shorter edge\n\t\tof the current container\n"
		printf "\n"
		printf "See sway(5) for possible options for BORDER, WORKSPACE, OUTPUT and GEOMETRY.\n"
		exit 2 ;;
	esac
done
shift $((OPTIND - 1))

arg0=$(basename "$1")
if [ -z "${arg0}" ]; then
	exec "$0" -h
fi
shift

# needs to be termified?
# spawn a $TERM instance and exec that
if [ -n "${termify}" ]; then
	case ${TERM} in
	alacritty)	args="--title=${arg0} --class=${arg0} --command" ;;
	*) 		args="" ;;
	esac
	command="${TERM} ${args} ${arg0} ${*}"
else
	command="${arg0} ${*}"
fi

# needs to be rotated
# spawn a cage(1) instance and exec that, takes previous $command
if [ -n "${rotate}" ]; then
	# figure out how many "-r" flags we need
	rotate_args=""
	while [ $(( (rotate / 90) >= 1 )) = 1 ]; do
		rotate_args="${rotate_args} -r"
		rotate=$((rotate - 90))
	done
	# allow for the firefox workaround that spawns a kiosk window
	# under firejail (to avoid profile folder issues)
	if echo "$command" | grep -E 'firefox'; then
		command="firejail --overlay-tmpfs --profile=firefox ${command} --no-remote --kiosk"
	fi
	command="cage -d ${rotate_args} -- \"${command}\""
fi

if [ -n "${autotile}" ]; then
	if [ "$(swq current con | jq '.rect | .width > .height')" = "true" ]; then
		swaymsg splith
	else
		swaymsg splitv
	fi
fi

swaymsg exec "${command}" >/dev/null
con_id="$(swaymsg -t subscribe '["window"]' | jq -s -r '.[]|select(.change=="new")|.container.id')"

sway_props_done=
while [ -z "${sway_props_done}" ]; do
	if [ -n "${border}" ]; then
		swaymsg [con_id="${con_id}"] border "${border}"
	fi
	if [ -n "${wspace}" ]; then
		swaymsg [con_id="${con_id}"] move workspace "${wspace}"
	fi
	if [ -n "${output}" ]; then
		swaymsg [con_id="${con_id}"] move output "${wspace}"
	fi
	if [ -n "${geometry}" ]; then
		swaymsg [con_id="${con_id}"] floating enable
		wh=$(printf "%s" "${geometry}" | cut -d' ' -f2)
		swaymsg [con_id="${con_id}"] resize set \
			width "$(printf "%s" "${wh}" | cut -d'x' -f1)" px \
			height "$(printf "%s" "${wh}" | cut -d'x' -f2)" px
		xy=$(printf "%s" "${geometry}" | cut -d' ' -f1)
		swaymsg [con_id="${con_id}"] move absolute position \
			"$(printf "%s" "${xy}" | cut -d',' -f1)" px \
			"$(printf "%s" "${xy}" | cut -d',' -f2)" px
	fi
	if [ -n "${sticky}" ]; then
		swaymsg [con_id="${con_id}"] sticky enable
	fi
	if [ -n "${floating}" ]; then
		swaymsg [con_id="${con_id}"] floating enable
	fi
	sway_props_done=1
done >/dev/null