#!/bin/bash
#
# Copyright (C) 2016 The CyanogenMod Project
# Copyright (C) 2017-2023 The LineageOS Project
#
# SPDX-License-Identifier: Apache-2.0
#

set -e

# Load extract_utils and do some sanity checks
MY_DIR="${BASH_SOURCE%/*}"
if [[ ! -d "${MY_DIR}" ]]; then MY_DIR="${PWD}"; fi

ANDROID_ROOT="${MY_DIR}/../../.."

HELPER="${ANDROID_ROOT}/tools/extract-utils/extract_utils.sh"
if [ ! -f "${HELPER}" ]; then
    echo "Unable to find helper script at ${HELPER}"
    exit 1
fi
source "${HELPER}"

# Default to sanitizing the vendor folder before extraction
CLEAN_VENDOR=true

ONLY_COMMON=
ONLY_TARGET=
FIRMWARE=
KANG=
SECTION=

while [ "${#}" -gt 0 ]; do
    case "${1}" in
        --only-common )
                ONLY_COMMON=true
                ;;
        --only-target )
                ONLY_TARGET=true
                ;;
        --firmware )
                FIRMWARE=true
                ;;
        -n | --no-cleanup )
                CLEAN_VENDOR=false
                ;;
        -k | --kang )
                KANG="--kang"
                ;;
        -s | --section )
                SECTION="${2}"; shift
                CLEAN_VENDOR=false
                ;;
        * )
                SRC="${1}"
                ;;
    esac
    shift
done

if [ -z "${SRC}" ]; then
    SRC="adb"
fi

function blob_fixup() {
    case "${1}" in
        vendor/etc/libnfc-nci.conf)
            sed -i 's/\/data\/nfc/\/data\/vendor\/nfc/g' "${2}"
            ;;
        vendor/lib*/liboemcrypto.so)
            "${PATCHELF}" --add-needed libshim_oemcrypto.so "${2}"
            sed -i 's/fopen/kopen/g' "${2}"
            ;;
        vendor/lib*/libsec-ril*.so)
            xxd -p -c0 "${2}" | sed "s/800e40f9e10316aa820c8052e30315aa/800e40f9e10316aa820c8052080080d2/g" | xxd -r -p > "${2}".patched
            mv "${2}".patched "${2}"
            ;;
        vendor/lib*/libsensorlistener.so)
            "${PATCHELF}" --add-needed libshim_sensorndkbridge.so "${2}"
            ;;
        vendor/lib*/libskeymaster4device.so)
            "${PATCHELF}" --replace-needed libcrypto.so libcrypto-tm.so "${2}"
            "${PATCHELF}" --add-needed libssl-tm.so "${2}"
            "${PATCHELF}" --add-needed libshim_crypto.so "${2}"
            ;;
        vendor/lib*/libwvhidl.so)
            "${PATCHELF}" --replace-needed libprotobuf-cpp-lite-3.9.1.so libprotobuf-cpp-full-3.9.1.so "${2}"
            ;;
        vendor/lib*/sensors.*.so)
            "${PATCHELF}" --replace-needed libutils.so libutils-v32.so "${2}"
            sed -i 's/_ZN7android6Thread3runEPKcim/_ZN7utils326Thread3runEPKcim/g' "${2}"
            ;;
    esac
}

if [ -z "${ONLY_TARGET}" ]; then
    # Initialize the helper for common device
    setup_vendor "${DEVICE_COMMON}" "${VENDOR}" "${ANDROID_ROOT}" true "${CLEAN_VENDOR}"

    if [ -z "${FIRMWARE}" ]; then
        extract "${MY_DIR}/proprietary-files.txt" "${SRC}" "${KANG}" --section "${SECTION}"
    fi
fi

if [ -z "${ONLY_COMMON}" ] && [ -s "${MY_DIR}/../${DEVICE}/proprietary-files.txt" ]; then
    # Reinitialize the helper for device
    source "${MY_DIR}/../${DEVICE}/extract-files.sh"
    setup_vendor "${DEVICE}" "${VENDOR}" "${ANDROID_ROOT}" false "${CLEAN_VENDOR}"

    if [ -z "${FIRMWARE}" ]; then
        extract "${MY_DIR}/../${DEVICE}/proprietary-files.txt" "${SRC}" "${KANG}" --section "${SECTION}"
    fi

    if [ -z "${SECTION}" ] && [ ! -z "${FIRMWARE}" ] && [ -f "${MY_DIR}/../../${VENDOR}/${DEVICE}/proprietary-firmware.txt" ]; then
        extract_firmware "${MY_DIR}/../../${VENDOR}/${DEVICE}/proprietary-firmware.txt" "${SRC}"
    fi
fi

"${MY_DIR}/setup-makefiles.sh"