#
# Download rules for the original/unmodified image file(s)
#


# Define DL_SOURCE/DL_SITE related variables
#  $(1) Suffix
define DEFINE_DL_SOURCE_VARS
ifneq ($(strip $(FREETZ_DL_SOURCE$(1))),)
DL_SITE$(1):=$(call qstrip,$(FREETZ_DL_SITE$(1)))
DL_SOURCE$(1):=$(call qstrip,$(FREETZ_DL_SOURCE$(1)))
DL_SOURCE$(1)_LOCAL:=$(call GET_STRING_COMPONENT,$(call qstrip,$(FREETZ_DL_SOURCE$(1))),/,1)
DL_SOURCE$(1)_REMOTE:=$(call GET_STRING_COMPONENT,$(call qstrip,$(FREETZ_DL_SOURCE$(1))),/,2)
DL_SOURCE$(1)_MD5:=$(call qstrip,$(FREETZ_DL_SOURCE$(1)_MD5))
endif

ifneq ($(strip $(FREETZ_DL_SOURCE$(1)_CONTAINER)),)
DL_SOURCE$(1)_CONTAINER:=$(call qstrip,$(FREETZ_DL_SOURCE$(1)_CONTAINER))
DL_SOURCE$(1)_CONTAINER_MD5:=$(call qstrip,$(FREETZ_DL_SOURCE$(1)_CONTAINER_MD5))
endif
endef

$(eval $(call DEFINE_DL_SOURCE_VARS))
$(eval $(call DEFINE_DL_SOURCE_VARS,2))
$(eval $(call DEFINE_DL_SOURCE_VARS,3))

export DL_SOURCE_ID=$(shell echo $(DL_SOURCE_LOCAL) | tools/imagename2id)



DL_IMAGE:=
image:

# Download Firmware Image
#  $(1) Suffix
define DOWNLOAD_FIRMWARE
ifneq ($(strip $(DL_SOURCE$(1))),)
IMAGE$(1):=$(DL_FW_DIR)/$(DL_SOURCE$(1)_LOCAL)
DL_IMAGE+=$$(IMAGE$(1))
image: $$(IMAGE$(1))
.PHONY: $$(IMAGE$(1))
$$(IMAGE$(1)): | $(DL_FW_DIR)
ifeq ($$(strip $$(DL_SITE$(1))),)
	@if [ ! -e "$$(IMAGE$(1))" ]; then \
		echo -e "\nPlease copy the following file into the './$$(DL_FW_DIR)/' sub-directory manually:\n$$(DL_SOURCE$(1)_LOCAL)\n$$(if $$(DL_SOURCE$(1)_REMOTE),(rename original AVM '$$(DL_SOURCE$(1)_REMOTE)' for that)\n)"; \
		exit 3; \
	fi
else
	@ \
	if [ "$$(call qstrip,$(FREETZ_TYPE_FIRMWARE_LABOR_LATEST))" == "y" ]; then \
		if [ -n "$$(call qstrip,$(FREETZ_DL_URL_LATEST_USER))" ]; then \
			DL_URL_LATEST="$$(call qstrip,$(FREETZ_DL_URL_LATEST_USER))"; \
		else \
			DL_URL_LATEST="$$(call qstrip,$(FREETZ_DL_URL_LATEST))"; \
		fi; \
		echo "Source to get latest firmware URLs: $$$$DL_URL_LATEST" >/dev/null; \
		find $$(DL_FW_DIR) -maxdepth 1 -name $$(DL_SOURCE$(1)_LOCAL).url -mmin +60 -exec rm -f {} ';'; \
		DL_URL_CONTAINER="$$$$(cat $$(IMAGE$(1)).url 2>/dev/null)"; \
		if [ -z "$$$$DL_URL_CONTAINER" ]; then \
			echo "No cache, refresh URL by web" >/dev/null; \
			[ "$(FREETZ_TYPE_LANGUAGE)" != "xx" ] && LANG_COL="$(FREETZ_TYPE_LANGUAGE)\t"; \
			DL_URL_CONTAINER="$$$$(wget --no-check-certificate -t1 --timeout=9 -q $$$$DL_URL_LATEST -O -| \
			sed -r "s/\tint\t/\ten\t/g;s/\t\t/\tde\t/g;s/\t\t/\tde\t/g;s/(.*)(\t[^\t]*)/\1\tlabor\2/g;s/(.*\t)labor(\t.*[-0]7\.(03|11).*)/\1beta\2/g" | \
			grep -vP "\t2018-[0-9 :-]*\t" | \
			grep -P "^$$(call qstrip,$(FREETZ_TYPE_PREFIX))\t$$$$LANG_COL" | \
			sed -rn "s/.*\t$$(call patsubst,_%,%,$$(call qstrip,$(FREETZ_TYPE_PREFIX_LABOR_FIRMWARE)))\t([^\t]*)$$$$/\1/p" | \
			head -n1)"; \
			echo "$$$$DL_URL_CONTAINER" > "$$(IMAGE$(1)).url"; \
			[ -n "$$$$DL_URL_CONTAINER" ] && echo "Found URL: $$$$DL_URL_CONTAINER" >/dev/null; \
		fi; \
		if [ -z "$$$$DL_URL_CONTAINER" ]; then \
			echo "No URL found, reading backup" >/dev/null; \
			DL_URL_CONTAINER="$$$$(cat $$(IMAGE$(1)).url.bak 2>/dev/null)"; \
		fi; \
		if [ -z "$$$$DL_URL_CONTAINER" ]; then \
			$$(call ERROR,3,Failed to detect the URL of the latest firmware version - check https://boxmatrix.info/wiki/Labor-Files) \
		fi; \
		echo "$$$$DL_URL_CONTAINER" > "$$(IMAGE$(1)).url.bak"; \
		echo "Available download URL: $$$$DL_URL_CONTAINER" >/dev/null; \
		DL_SITE0="$$$${DL_URL_CONTAINER%/*}"; \
		DL_SOURCE0_CONTAINER="$$$${DL_URL_CONTAINER##*/}"; \
	else \
		DL_SITE0="$$(DL_SITE$(1))"; \
		DL_SOURCE0_CONTAINER="$$(DL_SOURCE$(1)_CONTAINER)"; \
	fi; \
	if [ "$$(call qstrip,$(FREETZ_DL_DETECT_IMAGE_NAME))" == "y" ]; then \
		rm -f "$$(IMAGE$(1))"; \
	fi; \
	if [ ! -e "$$(IMAGE$(1))" ]; then \
		if [ -n "$$$$DL_SOURCE0_CONTAINER" ]; then \
			if [ ! -r $$(DL_FW_DIR)/$$$$DL_SOURCE0_CONTAINER ]; then \
				if ! $$(DL_TOOL) --delete-on-trap --no-append-servers --checksum-optional $$(DL_FW_DIR) "$$$$DL_SOURCE0_CONTAINER" "$$$$DL_SITE0" $$(DL_SOURCE$(1)_CONTAINER_MD5) $$(SILENT); then \
					$$(call ERROR,3,Could not download firmware image. See https://freetz-ng.github.io/freetz-ng/wiki/FAQ#Couldnotdownloadfirmwareimage for details.) \
				fi; \
			fi; \
			case "$$$${DL_SOURCE0_CONTAINER^^}" in \
				*.ZIP) \
					if [ "$$(FREETZ_DL_DETECT_IMAGE_NAME)" == "y" ]; then \
						DL_SOURCE_DETECTED=$$$$(unzip -j $$(QUIETSHORT) -l $$(DL_FW_DIR)/$$$$DL_SOURCE0_CONTAINER *.image | sed -rn 's/.*( |\/)(.*\.image)/\2/p'); \
						echo "Using detected .image name: $$$$DL_SOURCE_DETECTED" >/dev/null; \
					else \
						DL_SOURCE_DETECTED=$$(DL_SOURCE$(1)_LOCAL); \
						echo "Using hardcoded .image name: $$$$DL_SOURCE_DETECTED" >/dev/null; \
					fi; \
					if [ ! -f $$(DL_FW_DIR)/$$$$DL_SOURCE_DETECTED ]; then \
						echo "Unzipping archive file: $$$$DL_SOURCE0_CONTAINER" >/dev/null; \
						if ! unzip -j $$(QUIETSHORT) $$(DL_FW_DIR)/$$$$DL_SOURCE0_CONTAINER *$$$$DL_SOURCE_DETECTED -d $$(DL_FW_DIR); then \
							$$(call ERROR,3,Could not unzip firmware image.) \
						fi; \
					fi; \
					if [ "$$(FREETZ_DL_DETECT_IMAGE_NAME)" == "y" ]; then \
						[ -f $$(DL_FW_DIR)/$$$$DL_SOURCE_DETECTED ] && ln -s $$$$DL_SOURCE_DETECTED $$(IMAGE$(1)); \
						echo "Created hardlink for .image file: $$(DL_SOURCE$(1)_LOCAL)" >/dev/null; \
					fi; \
					;; \
				*.RAR) \
					if ! which unar &>/dev/null; then \
						$$(call ERROR,3,Prerequisite unar is missing.) \
					fi; \
					if [ "$$(FREETZ_DL_DETECT_IMAGE_NAME)" == "y" ]; then \
						DL_SOURCE_DETECTED=$$$$(unar -D -q $$(DL_FW_DIR)/$$$$DL_SOURCE0_CONTAINER *.image -o /dev/null 2>&1 | sed -rn 's/.*( |\/)(.*\.image).*/\2/p'); \
						echo "Using detected .image name: $$$$DL_SOURCE_DETECTED" >/dev/null; \
					else \
						DL_SOURCE_DETECTED=$$(DL_SOURCE$(1)_LOCAL); \
						echo "Using hardcoded .image name: $$$$DL_SOURCE_DETECTED" >/dev/null; \
					fi; \
					if [ ! -f $$(DL_FW_DIR)/$$$$DL_SOURCE_DETECTED ]; then \
						echo "Unaring archive file: $$$$DL_SOURCE0_CONTAINER" >/dev/null; \
						if ! unar -D -q $$(DL_FW_DIR)/$$$$DL_SOURCE0_CONTAINER *$$$$DL_SOURCE_DETECTED -o $$(DL_FW_DIR); then \
							$$(call ERROR,3,Could not unar firmware image.) \
						fi; \
					fi; \
					if [ "$$(FREETZ_DL_DETECT_IMAGE_NAME)" == "y" ]; then \
						[ -f $$(DL_FW_DIR)/$$$$DL_SOURCE_DETECTED ] && ln -s $$$$DL_SOURCE_DETECTED $$(IMAGE$(1)); \
						echo "Created hardlink for .image file: $$(DL_SOURCE$(1)_LOCAL)" >/dev/null; \
					fi; \
					;; \
				*) \
					$$(call ERROR,3,Not able to extract '$$$$DL_SOURCE0_CONTAINER' archive at all.) \
					;; \
			esac \
		elif ! $$(DL_TOOL) $$(if $$(DL_SOURCE$(1)_REMOTE),--out-file $$(DL_SOURCE$(1)_LOCAL)) --delete-on-trap --no-append-servers --checksum-optional $$(DL_FW_DIR) \
			  "$$(if $$(DL_SOURCE$(1)_REMOTE),$$(DL_SOURCE$(1)_REMOTE),$$(DL_SOURCE$(1)_LOCAL))" "$$$$DL_SITE0" $$(DL_SOURCE$(1)_MD5) $$(SILENT); then \
			$$(call ERROR,3,Could not download firmware image. See https://freetz-ng.github.io/freetz-ng/wiki/FAQ#Couldnotdownloadfirmwareimage for details.) \
		fi; \
	fi
endif
endif
endef

$(eval $(call DOWNLOAD_FIRMWARE))
$(eval $(call DOWNLOAD_FIRMWARE,2))
$(eval $(call DOWNLOAD_FIRMWARE,3))