#!/bin/bash
# prepares and run chromium as kiosk browser

. /opt/openslx/config

# clear state of previous sessions
[ -e "$HOME/.config/chromium" ] && rm -rf -- "$HOME/.config/chromium"
mkdir -p "$HOME/.config/chromium/Default"

# Helper to json'ize bookmarks given as arguments in the form:
#    <name>,<url>  ->  e.g. Google,https://www.google.com
json_bookmarks() {
	cur=0
	echo -n '['
	while [ $# -ne 0 ]; do
		local bb="$1"
		shift
		awk -F, '{printf "%s","{\"id\": \"'$cur'\", \"type\": \"url\", \"name\": \""$1"\", \"url\": \""$2"\"}"}' <<< "$bb"
		[ $# -ne 0 ] && echo -n ','
		(( cur ++ ))
	done 
	echo -n ']'
}

jq ".roots.bookmark_bar.children += $(json_bookmarks $SLX_BROWSER_BOOKMARKS)" \
	<(cat <<-EOF
		{
			"roots": {
				"bookmark_bar": {
				"children": [  ],
					"id": "1",
					"name": "Lesezeichenleiste",
					"type": "folder"
				},
				"other": {
					"children": [  ],
					"id": "2",
					"name": "Weitere Lesezeichen",
					"type": "folder"
				},
				"synced": {
					"children": [  ],
					"id": "3",
					"name": "Mobile Lesezeichen",
					"type": "folder"
				}
			},
			"version": 1
		}
	EOF
	) > "$HOME/.config/chromium/Default/Bookmarks"

# default chromium arguments
chromium_args=("--noerrdialogs" "--disable-new-avatar-menu" "--disable-infobars")

if [ -z "$SLX_BROWSER_INTERACTIVE" ]; then
	# non-interactive, set to kiosk mode
	chromium_args+=("--kiosk")

	# swallow keyboard shortcuts of chromium
	cat <<- EOF > "$HOME/.xbindkeysrc"
	"true"
		Control+d
	"true"
		Control+t
	"true"
		Control+s
	"true"
		Control+n
	"true"
		Control+j
	"true"
		Control+p
	"true"
		Control+h
	"true"
		Control+Shift+o
	EOF
	# xbinkeys requires a daemon, run it
	xbindkeys_autostart &

	if [ -n "$SLX_BROWSER_RELOAD_SECS" ]; then
		while true; do
			xdotool windowactivate "$(xdotool search --onlyvisible --class browser)"
			xdotool key Alt+Home
			sleep "$SLX_BROWSER_RELOAD_SECS"
		done &
	fi
fi

if [ -n "$SLX_BROWSER_INSECURE" ]; then
	chromium_args+=("--allow-running-insecure-content" "--ignore-certificate-errors")
fi

# finally exec to chromium
exec chromium-browser "${chromium_args[@]}"