#!/bin/bash

################################################################################s
# Dependencies
# Installs Dependencies automatically
################################################################################

# check if root
if [ $EUID -ne 0 ] ; then
    echo -e "This script must be run as root"
    exit 1
fi

# source vars
source vars

echo -e "Installing dependencies"
# create necessary dirs
if [ ! -d $logdir ] ; then
    mkdir $logdir
fi;

# install dependencies
echo -e "\tRunning apt update";
apt update 1> $aptlogloc 2>> $aptlogloc 3>> $aptlogloc;
for package in ${packages[@]};
do
    echo -e "\tInstalling $package"
    apt install -y $package 1>> $aptlogloc 2>> $aptlogloc 3>> $aptlogloc
    if [ $? -ne 0 ] ; then
        echo -e "apt failed to install $package. $aptlogmsg"
        exit 1
    fi
done

###############################################################################
# Sqlite3
# Download and setup Sqlite3 and modules
################################################################################
echo -e "Installing Sqlite3"

if [ ! -d sqlite ] ; then
    # fetch Sqlite
    wget -O sqlite.tar.gz $sqlink 1> $pylogloc 2>> $pylogloc 3>> $pylogloc
    if [ $? -ne 0 ] ; then
        echo -e "Failed to fetch sqlite, make sure wget is installed and $pylink is what you're after. $pylogmsg"
        exit 1
    fi

    mkdir sqlite
    tar xf sqlite.tar.gz -C sqlite --strip-components=1 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
    if [ $? -ne 0 ] ; then
        echo -e "Failed to unzip sqlite. $pylogmsg"
        exit 1
    fi
fi;

cd sqlite
if [ $? -ne 0 ] ; then
    echo -e "Something went wrong while unzipping. $pylogmsg"
    exit 1
fi

# install Sqlite3
echo -e "\tConfigure"
./configure 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "./configure failed. $pylogmsg"
    exit 1
fi

echo -e "\tMake"
make 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "make failed. $pylogmsg"
    exit 1
fi

echo -e "\tMake install"
make install 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "make install failed. $pylogmsg"
    exit 1
fi

cd ..
rm sqlite.tar.gz 1>> $pylogloc 2>> $pylogloc
if [ $? -ne 0 ] ; then
	echo -e "\tNot removing Sqlite3 tar.gz file."
fi

################################################################################
# Python
# Download and setup Python and modules
################################################################################
echo -e "Installing Python"

if [ ! -d python ] ; then
    wget -O python.tar.gz $pylink 1> $pylogloc 2>> $pylogloc 3>> $pylogloc
    if [ $? -ne 0 ] ; then
        echo -e "Failed to fetch python, make sure wget is installed and $pylink is what you're after. $pylogmsg"
        exit 1
    fi

    mkdir python
    tar xf python.tar.gz -C python --strip-components=1 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
    if [ $? -ne 0 ] ; then
        echo -e "Failed to unzip python. $pylogmsg"
        exit 1
    fi
fi

cd python
if [ $? -ne 0 ] ; then
    echo -e "Something went wrong while unzipping. $pylogmsg"
    exit 1
fi

# install Python
echo -e "\tConfigure"
./configure 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "./configure failed. $pylogmsg"
    exit 1
fi

echo -e "\tMake"
make 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "make failed. $pylogmsg"
    exit 1
fi

echo -e "\tMake install"
make install 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
    echo -e "make install failed. $pylogmsg"
    exit 1
fi

# upgrade pip and install virtualenv
echo -e "\tUpgrading pip"
python3 -m pip install --upgrade pip 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
	echo -e "pip upgrade failed. $pylogmsg"
    exit 1
fi

echo -e "\tInstalling virtualenv"
python3 -m pip install virtualenv 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc
if [ $? -ne 0 ] ; then
	echo -e "installing virtualenv failed. $pylogmsg"
    exit 1
fi

cd ..
rm python.tar.gz 1>> $pylogloc 2>> $pylogloc
if [ $? -ne 0 ] ; then
	echo -e "\tNot removing Python tar.gz file."
fi

# create the sites directory
echo -e "\tCreating project directory"
mkdir /sites/ 1>> $pylogloc 2>> $pylogloc 3>> $pylogloc


# ################################################################################
# # Gunicorn
# # configure gunicorn.conf file
# ################################################################################
# tput setaf 2
# echo -e "Setting up gunicorn"
# tput setaf 9
# echo -e "
# [Unit]
# Description=gunicorn daemon
# After=network.target

# [Service]
# User=$user
# Group=www-data
# WorkingDirectory=/home/$user/$projectname
# ExecStart=/home/$user/$projectname/venv/bin/gunicorn --workers 3 --bind unix:/home/$user/$projectname/$projectname.sock config.wsgi:application
# Environment=HOST=$hostname

# [Install]
# WantedBy=multi-user.target" > /etc/systemd/system/gunicorn.service
# echo -e "\tStarting gunicorn"
# systemctl daemon-reload > $gunicornlogloc
# systemctl start gunicorn >> $gunicornlogloc
# systemctl status gunicorn >> $gunicornlogloc
# echo -e "\tEnabling gunicorn at startup"
# systemctl enable gunicorn 1>> $gunicornlogloc 2>> $gunicornlogloc

# ################################################################################
# # Nginx
# # configure nginx
# ################################################################################
# tput setaf 2
# echo -e "Configuring Nginx"
# tput setaf 9
# echo -e "
# server {
#     listen 80;
#     server_name $hostname;

#     location = /favicon.ico { access_log off; log_not_found off; }
#     location /static/ {
#         root /home/$user/$projectname;
#     }

#     location / {
#         proxy_set_header Host \$http_host;
#         proxy_set_header X-Real-IP \$remote_addr;
#         proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
#         proxy_set_header X-Forwarded-Proto \$scheme;
#         proxy_pass http://unix:/home/$user/$projectname/$projectname.sock;
#     }
# }" > /etc/nginx/conf.d/$projectname.conf
# # set the nginx user
# if [ ! $user = "nginx" ] ; then
#     sed -i "s/user nginx/user $user nginx/" /etc/nginx/nginx.conf
# fi
# echo -e "\tStarting nginx"
# systemctl restart nginx >> $nginxlogloc
# systemctl status nginx >> $nginxlogloc
# echo -e "\tEnabling nginx"
# systemctl enable nginx 1>> $nginxlogloc 2>> $nginxlogloc

# tput setaf 2
# echo -e "Done! Navigate to $hostname to access the site. Logs can be found in $logdir"
# tput setaf 9
# exit 0