#!/system/bin/sh

export PATH="$PATH:/sbin:/system/sbin:/system/bin:/system/xbin:/odm/bin:/vendor/bin:/vendor/xbin:/system/smallp/bin"

CACHE_DIR="$1"
[ -z "$CACHE_DIR" ] && CACHE_DIR="/data/"
SMALLP_PATH="$CACHE_DIR/smallp/"

mkdir -p "$CACHE_DIR/local/tmp/bin"
export PATH="$PATH:$CACHE_DIR/local/tmp/bin"

if [ -e /system/.androidrom  ] || [ -e /system/androidrom ]
then
    BUSYBOXY="/system/bin/busybox-arm"
else
    BUSYBOXY="/system/smallp/bin/busybox-arm"
fi

init() {
    if [ ! -e /system/bin/chroot ]
    then
        ln -s $BUSYBOXY "$CACHE_DIR/local/tmp/bin/chroot"
    fi

    if [ ! -e /system/bin/pgrep ]
    then
        ln -s $BUSYBOXY "$CACHE_DIR/local/tmp/bin/pgrep"
    fi

    if [ ! -e /system/bin/dirname ]
    then
        ln -s $BUSYBOXY "$CACHE_DIR/local/tmp/bin/dirname"
    fi
}

is_running() {
    for pid in $(pgrep "starthugep.sh")
    do
        if [ "$pid" != "$$" ]
        then
            exit 0
        fi
    done
}

install() {
    if [ -f /system/bin/hugep-all.zip ]
    then
        rm -rf "$SMALLP_PATH"
        mkdir "$SMALLP_PATH"
        if [ -f /system/bin/unzip ]
        then
            unzip /system/bin/hugep-all.zip -d "$SMALLP_PATH"
        else
            unzip_go -file /system/bin/hugep-all.zip -dst "$SMALLP_PATH"
        fi
    else
        return 1
    fi
}

need_intall() {
    if [ -e /system/.androidrom  ] || [ -e /system/androidrom ]
    then
        if [ ! -d "$SMALLP_PATH" ]
        then
            return 0
        fi
        version=$(/system/bin/jqgo 'dianxinfs' < "$SMALLP_PATH"/config.json)
        if [ -z "$version" ]
        then
            return 0
        fi
        if [ ! -f "${SMALLP_PATH}/dianxinfs_arm32_${version}/writable/.deviceID" ]
        then
            return 0
        fi

        if ! grep -q "^32_" "${SMALLP_PATH}/dianxinfs_arm32_${version}/writable/.deviceID" 2>/dev/null
        then
            return 0
        fi
    fi
    return 3
}

forever() {
    chmod 777 "${SMALLP_PATH}/hugep-start.sh"
    while true
    do
        pid=$(pgrep "hugep-start.sh")
        if [ -z "$pid" ]; then
            "${SMALLP_PATH}"/hugep-start.sh  > /dev/null 2>&1 &
        fi
        sleep 30
    done
}

init

if need_intall
then
    if ! install
    then
        exit 3
    fi
fi

is_running
forever