#!/bin/bash

# SPDX-FileCopyrightText: Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

# shellcheck disable=SC1091
source /bin/nv_ota_internals.sh

get_base_version_in_recovery()
{
	local _ret_base_version="${1}"
	local _base_version=

	if [ ! -f "${OTA_WORK_DIR}/base_version" ]; then
		ota_log "The base version file is not found at ${OTA_WORK_DIR}/base_version"
		return 1
	else
		_base_version="$(cat "${OTA_WORK_DIR}/base_version")"
		if [ -z "${_base_version}" ]; then
			ota_log "The base version file ${OTA_WORK_DIR}/base_version is corrupted"
			return 1
		fi
	fi

	eval "${_ret_base_version}=${_base_version}"
}

get_target_board_in_recovery()
{
	local _ret_target_board="${1}"
	local _target_board=

	if [ ! -f "${OTA_WORK_DIR}/board_name" ]; then
		ota_log "The board name file is not found at ${OTA_WORK_DIR}/board_name"
		return 1
	else
		_target_board="$(cat "${OTA_WORK_DIR}/board_name")"
		if [ -z "${_target_board}" ]; then
			ota_log "The board name file ${OTA_WORK_DIR}/board_name is corrupted"
			exit 1
		fi
	fi

	eval "${_ret_target_board}=${_target_board}"
}

get_layout_change_in_recovery()
{
	local _ret_layout_change="${1}"
	local _layout_change=

	if [ ! -f "${OTA_WORK_DIR}/layout_change" ]; then
		ota_log "The layout change file is not found at ${OTA_WORK_DIR}/layout_change"
		return 1
	else
		_layout_change="$(cat "${OTA_WORK_DIR}/layout_change")"
		if [ -z "${_layout_change}" ]; then
			ota_log "The layout change file ${OTA_WORK_DIR}/layout_change is corrupted"
			return 1
		fi
	fi

	eval "${_ret_layout_change}=${_layout_change}"
}

store_variable()
{
	local _var="${1}"
	declare -p "${_var}" >> "${OTA_DECLARE_TMPFILE}"
}

load_variable()
{
	local var="${1}"
	local _ret_var="${2}"

	if [ ! -f "${OTA_DECLARE_TMPFILE}" ]; then
		ota_log "The declare temp file is not found at ${OTA_DECLARE_TMPFILE}"
		return 1
	fi
	eval $(grep " ${var}=" "${OTA_DECLARE_TMPFILE}" | sed "s/ ${var}=/ __${var}=/")
	local _var="__${var}"
	eval "${_ret_var}=${!_var}"
}