#!/bin/bash

# Retrieve arguments
domain=$1
path=$2

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a ffsync
if [[ ! $? -eq 0 ]]; then
    exit 1
fi

# Generate random password
db_pwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{24\}\).*/\1/p')

# Use 'FSyncMS' as database name and user
db_user=ffsync

# Initialize database and store mysql password for upgrade
sudo yunohost app initdb $db_user -p $db_pwd
sudo yunohost app setting ffsync mysqlpwd -v $db_pwd

# Check depends installation
sudo apt-get install git-core make python-dev python-virtualenv uwsgi uwsgi-core uwsgi-plugin-python

# Check Swap
tmp_swap_file=/tmp/ffsync_swapfile
if [ $(sudo swapon -s | wc -l) = 1 ];
then
	sudo dd if=/dev/zero of=$tmp_swap_file bs=1M count=256
	sudo chmod 600 $tmp_swap_file
	sudo mkswap $tmp_swap_file
	sudo swapon $tmp_swap_file
fi

# Copy files to the right place
final_path=/opt/yunohost/ffsync
sudo mkdir -p $final_path
sudo cp -a ../sources/* $final_path

# Set permissions to ffsync directory
sudo useradd ffsync -d $final_path
sudo chown ffsync:ffsync -R $final_path

# Copy uwsgi config
sudo cp ../conf/ffsync.ini /etc/uwsgi/apps-available/
sudo ln -s /etc/uwsgi/apps-available/ffsync.ini /etc/uwsgi/apps-enabled/

# Modify Nginx configuration file and copy it to Nginx conf directory
secret=$(head -c 20 /dev/urandom | sha1sum | cut -d " " -f1)
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/ffsync.conf
sudo sed -i -e "s@ynhbaseurl@$domain$path@g" $final_path/syncserver.ini
sudo sed -i -e "s@changesecret@$secret@g" $final_path/syncserver.ini
sudo sed -i "s/yunouser/$db_user/g" $final_path/syncserver.ini
sudo sed -i "s/yunopass/$db_pwd/g" $final_path/syncserver.ini
sudo sed -i "s/yunobase/$db_user/g" $final_path/syncserver.ini

# Init virtualenv
cd $final_path && sudo make build

# Disable swapfile
if [ -f $tmp_swap_file ];
then
        sudo swapoff $tmp_swap_file
        sudo rm -f $tmp_swap_file
fi

# Fix permission
sudo find $final_path/ -type d -exec chmod 2755 {} \;
sudo find $final_path/ -type f -exec chmod g+r,o+r {} \;
sudo usermod -a -G ffsync www-data

# Reload Nginx and regenerate SSOwat conf
sudo service uwsgi restart
sudo service nginx reload
sudo yunohost service add uwsgi -l /var/log/uwsgi/app/ffsync.log
sudo yunohost app setting ffsync skipped_uris -v "/"
sudo yunohost app ssowatconf