#!/bin/bash
app="searx"

# causes the shell to exit if any subcommand or pipeline returns a non-zero status
set -e

# Source app helpers
. /usr/share/yunohost/helpers

# Retrieve arguments
domain=$(ynh_app_setting_get "$app" domain)
path=$(ynh_app_setting_get "$app" path)
is_public=$(ynh_app_setting_get "$app" is_public)

# Remove trailing slash to path
path=${path%/}
#force location to be / or /foo
location=${path:-/}

# Check depends installation
sudo apt-get install git build-essential libxslt-dev python-dev python-virtualenv virtualenv python-pybabel zlib1g-dev libffi-dev libssl-dev python-lxml uwsgi uwsgi-plugin-python -y

# Check Swap
if [ $(sudo swapon -s | wc -l) = 1 ];
then
    mount | grep /tmp | grep tmpfs > /dev/null 2>&1
    if [ $? = 1 ];
    then
        tmp_swap_file=/tmp/searx_swapfile
    else
        tmp_swap_file=/var/cache/
    fi
    sudo dd if=/dev/zero of=$tmp_swap_file bs=1M count=256
    sudo chmod 600 $tmp_swap_file
    sudo mkswap $tmp_swap_file
    sudo swapon $tmp_swap_file
fi

final_path=/opt/yunohost/$app
wget https://github.com/asciimoo/searx/archive/v0.10.0.tar.gz
tar xvf v0.10.0.tar.gz && cp -rf searx-0.10.0/* ../sources
sudo cp -rf ../sources/* $final_path
sudo bash -c "source $final_path/bin/activate && pip install -r $final_path/requirements-ynh.txt --upgrade"

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

#Configuration Searx
sudo cp ../conf/settings.yml $final_path/searx/
sudo sed -i -e "s/ultrasecretkey/`openssl rand -hex 16`/g" $final_path/searx/settings.yml
if [ "$path" != "/" ];
then
    sudo sed -i -e "s@ynhbaseurl@https://$domain$path/@g" $final_path/searx/settings.yml
else
    sudo sed -i -e "s@ynhbaseurl@False@g" $final_path/searx/settings.yml
fi

# Set permissions to searx directory
if ! id -u searx > /dev/null 2>&1; then
    sudo useradd searx -d $final_path
fi
sudo chown searx:searx -R $final_path

# Copy uwsgi config
sudo cp ../conf/searx.ini /etc/uwsgi/apps-available/$app.ini

# Modify Nginx configuration file and copy it to Nginx conf directory
sed -i "s@YNH_WWW_LOCATION@$location@g" ../conf/nginx.conf*
sed -i "s@YNH_WWW_PATH@$path@g" ../conf/nginx.conf*
if [ "$path" != "/" ];
then
    sudo cp ../conf/nginx.conf-noroot /etc/nginx/conf.d/$domain.d/$app.conf
else
    sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf
fi

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

if [ "$is_public" = "Yes" ];
then
    sudo yunohost app setting searx skipped_uris -d
    sudo yunohost app setting searx unprotected_uris -v "/"
fi

## Reload services
sudo service nginx reload
sudo service uwsgi restart