#!/bin/bash

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

# Retrieve arguments
app=$YNH_APP_INSTANCE_NAME
domain=$YNH_APP_ARG_DOMAIN
path=$YNH_APP_ARG_PATH
port=$YNH_APP_ARG_PORT
sync_node=$YNH_APP_ARG_SYNC_NODE
sync_port=$YNH_APP_ARG_SYNC_PORT
salt=$YNH_APP_ARG_SALT
password=$YNH_APP_ARG_PASSWORD
admin=$YNH_APP_ARG_ADMIN
version=$(cat ../conf/upstream_version)

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

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

# Check path is root
if [[ $path != '/' ]]; then
  ynh_die "Web admin can only be installed on root path for now"
fi

# Check port availability
sudo yunohost app checkport $port
if [[ ! $? -eq 0 ]]; then
  exit 1
fi

# Check node availability
if curl --output /dev/null --silent --head --fail "$sync_node:$sync_port/node/summary"; then
  echo "Node $sync_node:$sync_port is available"
else
  ynh_die "Node $sync_node:$sync_port is not available" 2
fi

# Check the admin exists in YunoHost users
ynh_user_exists $admin

# Get CPU architecture and check it
arch=$(uname -m)
if [ $arch == "x86_64" ]; then
	arch="x64"
fi
if [[ $arch != "x64" && $arch != "armv7l" ]]; then
	ynh_die "$arch is not currently supported." 2
fi

# Open port on firewall
sudo yunohost firewall allow TCP $port > /dev/null 2>&1

# Store config on YunoHost instance
ynh_app_setting_set $app port $port
ynh_app_setting_set $app arch $arch
ynh_app_setting_set "$app" admin "$admin"

# Retrieve debian package and install it
wget -nc --quiet https://github.com/duniter/duniter/releases/download/$version/duniter-$version-linux-$arch.deb -P /tmp
sudo dpkg -i /tmp/duniter-$version-linux-$arch.deb
#sudo rm -f /tmp/duniter-$version-linux-$arch.deb

# Configure Duniter node
sudo $app init --autoconf
sudo $app config --remoteh $domain --port $port --remotep $port --salt $salt --passwd $password

# Synchronize Duniter node
echo "Synchronizing with $sync_node:$sync_port. It may take a while."
sudo $app sync $sync_node $sync_port --nointeractive

# Launch Duniter node
sudo $app webstart

# Add Duniter service to the YunoHost monitoring
sudo yunohost service add $app --log /home/admin/.config/$app/"$app"_default/"$app".log

# Add admin to the allowed users
sudo yunohost app addaccess $app -u $admin

# Allow only allowed users to access admin panel
ynh_app_setting_set "$app" protected_uris "/"

# SSOwat Configuration
#ynh_app_setting_set "$app" unprotected_uris "/api/"

# Configure Nginx
nginx_conf="../conf/nginx.conf"
#sudo sed -i "s@YNH_EXAMPLE_PATH@$path@g" $nginx_conf
sudo sed -i "s@YNH_EXAMPLE_PORT@$port@" $nginx_conf
sudo sed -i "s@YNH_EXAMPLE_DOMAIN@$domain@" $nginx_conf
sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf
sudo service nginx reload