#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

# Arguments from manifest
app=$YNH_APP_INSTANCE_NAME
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE

src_path="/var/www/wekan"

systemd_conf="$PWD/../conf/systemd.conf"
nginx_conf="$PWD/../conf/nginx.conf"

# Source YunoHost helpers
source /usr/share/yunohost/helpers

# Save app settings
ynh_app_setting_set "$app" admin "$admin"
ynh_app_setting_set "$app" is_public "$is_public"
ynh_app_setting_set "$app" language "$language"

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path_url}" -a "$app" \
    || ynh_die "Path not available: ${domain}${path_url}"


# Install nvm
export NVM_DIR="/opt/nvm"
sudo curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.32.1/install.sh | sudo NVM_DIR=$NVM_DIR bash

# Install latest nodejs
sudo su -c ". $NVM_DIR/nvm.sh && nvm install 0.10 && nvm use 0.10"

# Install npm
sudo apt-get update
sudo apt-get -y install npm

# Add some swap :/
if [ $(free | tail -n 1 | awk '{print $2}') -lt 1000000 ];
then
	if [[ -z $(mount | grep /tmp | grep tmpfs) ]];
	then
		tmp_swap_file=/tmp/wekan_swapfile
	else
	    # It is NOT possible to setup a swap file on a tmpfs filesystem
		tmp_swap_file=/var/cache/wekan_swapfile
	fi
	sudo dd if=/dev/zero of=$tmp_swap_file bs=1M count=1024
	sudo chmod 600 $tmp_swap_file
	sudo mkswap $tmp_swap_file
	sudo swapon $tmp_swap_file
fi


# Install meteor
METEOR_INSTALL_DIR="/opt/meteor"
METEOR_BIN="/usr/local/bin/meteor"
NODE_BIN=`sudo su -c ". $NVM_DIR/nvm.sh && nvm use 0.10 >/dev/null && which node"`
sudo su admin -c ". $NVM_DIR/nvm.sh && nvm use 0.10 && curl https://install.meteor.com/ | sh"

# Install wekan
sudo mkdir -p $src_path
cd $src_path
sudo git clone https://github.com/wekan/wekan.git .
sudo chown -R admin /var/www/wekan/
sudo su -c ". $NVM_DIR/nvm.sh && nvm use 0.10 && npm install"
sudo rm -rf .build
sudo su admin -c ". $NVM_DIR/nvm.sh && nvm use 0.10 && $METEOR_BIN build .build --directory"
cd .build/bundle/programs/server
sudo su -c ". $NVM_DIR/nvm.sh && nvm use 0.10 && npm install"

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

# Install mongodb
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927
echo "deb http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list
sudo apt-get update
sudo apt-get install -y mongodb-org=3.2.11 mongodb-org-server=3.2.11 mongodb-org-shell=3.2.11 mongodb-org-mongos=3.2.11 mongodb-org-tools=3.2.11
sudo systemctl start mongod
sudo systemctl enable mongod

# Install systemd conf
sed -i "s@WEKAN_INSTALL_PATH@/var/www/wekan/.build/bundle@g" $systemd_conf
sed -i "s@WEKAN_NODEJS_PATH@$NODE_BIN@g"                     $systemd_conf
sed -i "s@WEKAN_DOMAIN@$domain@g"                            $systemd_conf
sed -i "s@WEKAN_PATH@$path_url@g"                            $systemd_conf
                                                             
sed -i "s@WEKAN_DB_NAME@wekan@g"                             $systemd_conf
sed -i "s@WEKAN_PORT@8081@g"                                 $systemd_conf
sudo cp $systemd_conf /etc/systemd/system/wekan@.service

# Modify Nginx configuration file and copy it to Nginx conf directory
sed -i "s@YNH_WWW_PATH@$path_url@g" $nginx_conf
sed -i "s@YNH_WWW_ALIAS@$src_path/@g" $nginx_conf
sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf

# If app is public, add url to SSOWat conf as skipped_uris
if [[ $is_public -eq 1 ]]; then
  # unprotected_uris allows SSO credentials to be passed anyway.
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

# Reload services
sudo service nginx reload

# Start service
sudo systemctl daemon-reload
sudo systemctl start wekan@admin
sudo systemctl enable wekan@admin