#!/bin/bash

# install_rivendell.sh
#
# User-facing installation script for Rivendell
#
#   (C) Copyright 2021-2026 Fred Gleason <fredg@paravelsystems.com>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as
#   published by the Free Software Foundation; either version 2 of
#   the License, or (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public
#   License along with this program; if not, write to the Free Software
#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#

USAGE="install_rivendell.sh [<repo-name> <-repo-url>]"

function Continue {
  read -a RESP -p "Continue (y/N) "
  echo
  if [ -z $RESP ] ; then
    exit 0
  fi
  if [ $RESP != "y" -a $RESP != "Y" ] ; then
    exit 0
  fi
}


function CheckNetwork {
    ping -c 2 $REPO_HOST > /dev/null 2> /dev/null
    if [ $? != 0 ] ; then
	echo "Unable to reach host at $REPO_HOST, exiting."
	exit 1
    fi
}


function AddRepos {
    echo "Adding repo..."
    wget $REPO_URL/$REPO_NAME.gpg -P /etc/apt/trusted.gpg.d/
    wget $REPO_URL/$REPO_NAME.list -P /etc/apt/sources.list.d/
    apt update
    apt -y install ubuntu-rivendell-installer
}


function Finish {
    apt -y remove ubuntu-rivendell-installer
    echo
    echo "Installation of Rivendell is complete. Reboot now."
    echo
}


function InstallStandalone {
    CheckNetwork
    AddRepos
    /usr/share/ubuntu-rivendell-installer/installer_install_rivendell.sh --standalone
    Finish
    exit 0
}


function InstallServer {
    CheckNetwork
    AddRepos
    /usr/share/ubuntu-rivendell-installer/installer_install_rivendell.sh --server
    Finish
    exit 0
}


function InstallClient {
    CheckNetwork
    echo -n "Enter the IP address of the Rivendell MySQL/MariaDB server: "
    read RD_MYSQL_SERVER
    echo -n "Enter the name of the MySQL/MariaDB Rivendell database [Rivendell]: "
    read RD_MYSQL_DATABASE
    if test -z $RD_MYSQL_DATABASE ; then
	RD_MYSQL_DATABASE="Rivendell"
    fi

    echo -n "Enter the username of the MySQL/MariaDB Rivendell account: "
    read RD_MYSQL_USERNAME

    echo -n "Enter the password of the MySQL/MariaDB Rivendell account: "
    read RD_MYSQL_PASSWORD

    echo -n "Enter the IP address of the Rivendell NFS server [$RD_MYSQL_SERVER]: "
    read RD_NFS_SERVER
    if test -z $RD_NFS_SERVER ; then
	RD_NFS_SERVER=$RD_MYSQL_SERVER
    fi

    AddRepos
    /usr/share/ubuntu-rivendell-installer/installer_install_rivendell.sh --client "$RD_MYSQL_SERVER" "$RD_MYSQL_USERNAME" "$RD_MYSQL_PASSWORD" "$RD_MYSQL_DATABASE" "$RD_NFS_SERVER"
    Finish
    exit 0
}

#
# Set installation origin
#
REPO_URL=https://software.paravelsystems.com/ubuntu/dists/jammy/main
REPO_NAME=Paravel-Ubuntu-22.04-Test
if test $# -eq 2 ; then
    REPO_NAME=$1
    REPO_URL=$2
fi
REPO_HOST=$(echo $REPO_URL | sed -e 's@^.*://@@' | sed -e 's/[/:].*$//')

#
# Print welcome message and menu
#
echo "Welcome to the Rivendell installer!"
echo
echo "This installer will download the Rivendell Radio Automation System"
echo "and install it on this system."
echo
echo "SOURCE REPOSITORY"
echo "Name: $REPO_NAME"
echo " URL: $REPO_URL"
echo
echo "Three different styles of setup for Rivendell are available:"
echo
echo " 1) Standalone. All system components (Rivendell application code,"
echo "    database server and audio store) will be installed on this system,"
echo "    allowing it to function as a self-contained, autonomous Rivendell"
echo "    system."
echo
echo " 2) Server. Same as Standalone, but in addition, configure the database"
echo "    and audio store to be shared with other Rivendell systems over the"
echo "    network."
echo
echo " 3) Client. Install just the Rivendell application components,"
echo "    configuring them to use the database and audio store on one or two"
echo "    shared server(s). You will be prompted for the IP address of the"
echo "    server(s), as well as the name of the database and the "
echo "    username / password of the MariaDB database account for accessing"
echo "    the Rivendell database on that server."
echo
echo " 4) Do nothing, and exit this installer."
echo
read -a RESP -p " Your choice [4]? "
echo

if [ -z $RESP ] || [ $RESP == "4" ] ; then
    exit 0
fi
if [ $RESP == "1" ] ; then
    InstallStandalone
fi
if [ $RESP == "2" ] ; then
    InstallServer
fi
if [ $RESP == "3" ] ; then
    InstallClient
fi

echo "Unrecognized choice: $RESP"
exit 1