#!/bin/sh

## Includes.
. funcrcGet
. funcWidgetSchedule

## Update the symlinks used within nbkImages.
## On entry: $1 = 0 to update the symlinks for the selected profile
##                1 to update the symlinks for the selected profile forcefully
##                2 to initialise the symlinks to the default image

funcImagesUpdate() {
	if [ -z "$BASH" ]; then local FUNCNAME=funcImagesUpdate; fi
	if [ $DEBUG_TRANSITS -ne 0 ]; then echo "$FUNCNAME(): IN"; fi

	## Local variables.
	local ProfileSelected="`funcrcGet ProfileSelected`"
	local ProfileImagesPath0="`funcrcGet Profile${ProfileSelected}ImagesPath0`"
	local ProfileImagesPattern0="`funcrcGet Profile${ProfileSelected}ImagesPattern0`"
	local ProfileImagesPath1="`funcrcGet Profile${ProfileSelected}ImagesPath1`"
	local ProfileImagesPattern1="`funcrcGet Profile${ProfileSelected}ImagesPattern1`"
	local ProfileImagesPath2="`funcrcGet Profile${ProfileSelected}ImagesPath2`"
	local ProfileImagesPattern2="`funcrcGet Profile${ProfileSelected}ImagesPattern2`"
	local ImageDefault=$PACKAGE_DATA_DIR/default.png
	local existing f image name path pattern
	local arg1=0

	## Get argument.
	if [ -n "$1" ]; then arg1=$1; fi

	if [ $DEBUG_CONTENT -ne 0 ]; then
		if [ $arg1 -eq 0 ]; then
			echo "$FUNCNAME(): Updating image symlinks for profile$ProfileSelected"
		elif [ $arg1 -eq 1 ]; then
			echo "$FUNCNAME(): Updating image symlinks for profile$ProfileSelected forcefully"
		elif [ $arg1 -eq 2 ]; then
			echo "$FUNCNAME(): Initialising image symlinks"
		fi
	fi

	if [ $arg1 -eq 0 -o $arg1 -eq 1 ]; then

		## Get everything after the last slash.
		name="${treGameList##*/}"
		## Get everything before the last period or the end.
		name="${name%.*}"

		for f in 0 1 2; do
			eval path="\$ProfileImagesPath$f"
			eval pattern="\$ProfileImagesPattern$f"

			if [ $DEBUG_CONTENT -ne 0 ]; then
				echo "$FUNCNAME(): Searching \"$path\" for \"$name$pattern\""
			fi

			image=
			if [ -n "$path" -a -n "$pattern" ]; then

				## Add a slash to the end of the path if necessary.
				case $path in
					*/)
						true ;;
					*)
						path="$path/" ;;
				esac

				## Get one matching file from the path or use default.
				image=`ls "$path$name"$pattern 2> /dev/null | head -1`

			fi
			if [ -z "$image" ]; then image=$ImageDefault; fi

			## Get the existing file that the symlink points to.
			existing=`readlink $TEMP_DIR/Image$f`

			if [ "$image" != "$existing" -o $arg1 -eq 1 ]; then
				ln -fs "$image" $TEMP_DIR/Image$f
				funcWidgetSchedule chkImagesRefreshCheck ImagesRefreshCheck
			fi

		done

	elif [ $arg1 -eq 2 ]; then

		ln -fs $ImageDefault $TEMP_DIR/Image0
		ln -fs $ImageDefault $TEMP_DIR/Image1
		ln -fs $ImageDefault $TEMP_DIR/Image2

		## This is called at the start before gtkdialog is run so it
		## is necessary to check that the widget actually exists.
		if [ -n "$chkImagesRefreshCheck" ]; then
			funcWidgetSchedule chkImagesRefreshCheck ImagesRefreshCheck
		fi

	fi

	if [ $DEBUG_TRANSITS -ne 0 ]; then echo "$FUNCNAME(): OUT"; fi
}