#!/bin/bash

webroot_path="/var/www"
rutorrent_path="$webroot_path/rutorrent"
plugins_path="$rutorrent_path/plugins"
webserver_service="caddy.service"

rutorrent_repo="https://github.com/Novik/ruTorrent.git"
filemanager_repo="https://github.com/nelu/rutorrent-thirdparty-plugins.git"
mobile_repo="https://github.com/xombiemp/rutorrentMobile.git"

updated="no"

stop_rtorrent () {
    systemctl stop rtorrent.service
}

start_rtorrent () {
    systemctl start rtorrent.service
}

restart_webserver () {
    systemctl restart "$webserver_service"
}

if [ ! -d "$rutorrent_path" ] ; then
    echo -e "INSTALLING ruTorrent"
    stop_rtorrent
    cd "$webroot_path"
    git clone "$rutorrent_repo" rutorrent
    echo -e "ruTorrent installed from git\n"
    updated="yes"
else
    echo -e "UPDATING ruTorrent"
    cd "$rutorrent_path"
    git fetch
    localhash=$(git rev-parse HEAD)
    remotehash=$(git rev-parse origin/master)
    if [ "$remotehash" != "$localhash" ] ; then
        stop_rtorrent
        git pull
        echo -e "ruTorrent updated from $localhash to $remotehash\n"
        updated="yes"
    else
        echo -e "ruTorrent is already at the latest version: $remotehash\n"
    fi
fi

#cd "$plugins_path"
#plugin_repo=$(git remote get-url origin)
#if [ "$plugin_repo" != "$filemanager_repo" ] ; then
#    stop_rtorrent
#    git init
#    git remote add -f origin "$filemanager_repo"
#    git pull
#    updated="yes"
#else
#    git fetch
#    localhash=$(git rev-parse HEAD)
#    remotehash=$(git rev-parse origin/master)
#    if [ "$remotehash" != "$localhash" ] ; then
#        stop_rtorrent
#        git pull
#        echo -e "hwk plugins updated from $localhash to $remotehash\n"
#        updated="yes"
#    else
#        echo -e "hwk plugins are already at the latest version: $remotehash\n"
#    fi
#fi

if [ ! -d "$plugins_path/mobile" ] ; then
    stop_rtorrent
    cd "$plugins_path"
    git clone "$mobile_repo" mobile
    updated="yes"
else
    cd "$plugins_path/mobile"
    git fetch
    localhash=$(git rev-parse HEAD)
    remotehash=$(git rev-parse origin/large-screen)
    if [ "$remotehash" != "$localhash" ] ; then
        stop_rtorrent
        git pull
        echo -e "mobile updated from $localhash to $remotehash\n"
        updated="yes"
    else
        echo -e "mobile is already at the latest version: $remotehash\n"
    fi
fi

if [ "$updated" == "yes" ] ; then
    echo -e "Updates were installed. Restarting rtorrent..."
    stop_rtorrent
    restart_webserver
    start_rtorrent
else
    echo -e "Already running the latest version of everything!\n"
fi