#!/bin/bash

SCRIPT_VER="1.3"

APP="Plexdrive Service"
APP_CATEGORY="Streaming"
APP_SCOPE="system"
APP_ENABLED="yes"
#><#APP_CHECK_VER_CMD="[ -x /usr/local/bin/plexdrive -a -e /etc/systemd/system/plexdrive.service ] && /usr/local/bin/plexdrive --version"
SUPPORTED_ON="Debian9,Debian10,Ubuntu16.04,Ubuntu18.04,Ubuntu20.04"
MEMORY_K_MIN="4000000"
LIBRARY="functions4.sh"

if [ "${SUPPORT-}" = '' ]; then
    SUPPORT="https://installers.rapidseedbox.com/scripts/whmcs_client_installers/support"
fi

LOGFILE="/var/log/whmcs_client_installers/${0}.log"
[ ! -d "/var/log/whmcs_client_installers" ] && mkdir -p "/var/log/whmcs_client_installers"

wget -4 -nc -q --no-check-certificate --timeout=20 --tries=5 ${SUPPORT}/${LIBRARY} >> "${LOGFILE}" 2>&1
if [ ! -f "./${LIBRARY}" ] ; then
    echo "55"
    echo "Error downloading \"${SUPPORT}/${LIBRARY}\"" >> "${LOGFILE}"
    exit 55
fi

# shellcheck source=support/functions4.sh
. "./${LIBRARY}"
SCRIPTENTRY


VALIDATE_USER

APP_HOME="/var/lib/plexmediaserver"

while : ; do

    main_rc=1

    CHECK_APP ; _rc=$?
    if [ ${_rc} -ne 0 ] ; then
        main_rc=${_rc}
        break
    fi


    if [ "${USERUID}" != "${FIRST_UID}" ] ; then
        ERROR "Cannot install this application for the user account '${USERNAME}'"
        break
    fi

    # Install 'plexdrive' binary
    if [ ! -x "/usr/local/bin/plexdrive" ] ; then
        _plexdrive_ver="$( curl -Ls -m 30 -o /dev/null -w '%{url_effective}' \
                                https://github.com/plexdrive/plexdrive/releases/latest \
                              | awk -F "/" "{print \$NF}" )"
        WGET \
            "https://github.com/plexdrive/plexdrive/releases/download/${_plexdrive_ver}/plexdrive-linux-amd64" \
            "${TMP_DIR}/plexdrive" \
          || break
        MV "${TMP_DIR}/plexdrive" "/usr/local/bin/plexdrive" || break
        CHOWN_FILE root:root "/usr/local/bin/plexdrive" || break
        CHMOD_FILE 755 "/usr/local/bin/plexdrive"       || break
    fi

    # Install 'plexdrive-init' script
    cat <<-EOF > "/usr/local/bin/plexdrive-init"
	#!/bin/sh

	#
	# Name:         plexdrive-init
	# Version:      1.0.1
	#
	# (c) 2017-2020, Rapidseedbox, alexey@rapidseedbox.com
	#

	_VER="\$( grep -m 1 -E '^#\s*Version:\s+' \${0} | awk '{print \$NF}' )"
	_uid="\$( id -u )"
	if [ \${_uid} -eq 0 ] ; then
	    echo "Sorry."
	    echo "You must run this script an behalf of the regular user account, not 'root' !"
	    exit 1
	fi

	[ ! -d ~/plexdrive ] && mkdir ~/plexdrive
	chmod 755 ~/plexdrive
	/usr/local/bin/plexdrive mount -c ~/.plexdrive -v 2 ~/plexdrive
	EOF
    CHMOD_FILE 755 "/usr/local/bin/plexdrive-init"  || break
    LN "/usr/local/bin/plexdrive-init" "/usr/local/bin/rsb-plexdrive-init"

    # Install 'plexdrive' SystemD unit
    cat <<-EOF > "/etc/systemd/system/plexdrive.service"
	[Unit]
	Description=Mount Plexdrive to /var/lib/plexmediaserver/plexdrive
	After=syslog.target local-fs.target network.target
	AssertPathExists=/var/lib/plexmediaserver/.plexdrive/config.json

	[Service]
	Type=simple
	User=plex
	Group=plex
	ExecStartPre=-/bin/mkdir /var/lib/plexmediaserver/plexdrive
	ExecStartPre=-/bin/chown %I:%I /var/lib/plexmediaserver/plexdrive
	ExecStartPre=-/bin/chmod 755 /var/lib/plexmediaserver/plexdrive
	ExecStart=/usr/local/bin/plexdrive mount \
	  -c /var/lib/plexmediaserver/.plexdrive \
	  -v 3 \
	  --refresh-interval=1m \
	  --chunk-check-threads=8 \
	  --chunk-load-threads=8 \
	  --chunk-load-ahead=4 \
	  --max-chunks=100 \
	  --fuse-options=read_only \
	     /var/lib/plexmediaserver/plexdrive
	ExecStop=/bin/fusermount -u -z /var/lib/plexmediaserver/plexdrive
	Restart=always

	[Install]
	WantedBy=default.target
	EOF

    if [ -d "${APP_HOME}/.plexdrive" ] ; then
        MKDIR "${APP_HOME}/.plexdrive" || break
    fi
    CHMOD_DIR 750       "${APP_HOME}/.plexdrive"
    CHOWN_DIR plex:plex "${APP_HOME}/.plexdrive"

    if [ -d "${APP_HOME}/plexdrive" ] ; then
        MKDIR "${APP_HOME}/plexdrive" || break
    fi
    CHMOD_DIR 750       "${APP_HOME}/plexdrive"
    CHOWN_DIR plex:plex "${APP_HOME}/plexdrive"

    # Enable/Start 'plexdrive' service
    SYSTEMD_RELOAD
    SVC_ENABLE "plexdrive"
    SVC_START  "plexdrive"


    main_rc=0
    break

done


# Cleanup if error
if [ ${main_rc} -ne 0 -a ${main_rc} -ne 111 -a ${main_rc} -ne 117 ] ; then
    if [ -e "/etc/systemd/system/plexdrive.service" ] ; then
        SVC_DISABLE "plexdrive"
        SVC_STOP    "plexdrive"
        RM_FILES "/etc/systemd/system/plexdrive.service"
        SYSTEMD_RELOAD
    fi
fi

SCRIPTEXIT