#!/bin/bash

set -eu

# Check if apache class is set and activate apache modules that will be needed
grep -q '^apache' /etc/dsv/computed_classes || { echo "Please set the apache class"; exit 1; }
a2enmod rewrite proxy proxy_http proxy_wstunnel

# Check if mariadb class is set
grep -q '^mariadb' /etc/dsv/computed_classes || { echo "Please set the apache class"; exit 1; }

# Set up variables that will be needed
proj_name="proxmox-web-portal"
#proj_dir="$(cd "$(dirname "$0")" && pwd)"
proj_dir="$(pwd)"
service_file="/etc/systemd/system/${proj_name}.service"
log_dir="/var/log/${proj_name}"
log_rotate="/etc/logrotate.d/${proj_name}"
db_path="${proj_dir}/app.db"
schema_path="${proj_dir}/schema.sql"

# Set up log directory with permissions along with logrotate
mkdir -p "$log_dir"
chown www-data:www-data "$log_dir"
chmod 755 "$log_dir"
touch "$log_rotate"
cat <<EOL > "$log_rotate"
${log_dir}/*.log {
    daily
    missingok
    rotate 14
    compress
    delaycompress
    notifempty
    create 0640 www-data www-data
    sharedscripts
    postrotate
        systemctl restart ${proj_name} > /dev/null 2>&1 || true
    endscript
}
EOL

# Make sure curl is installed
apt update -y
apt install -y curl

# Set up nodejs
curl -fsSL https://deb.nodesource.com/setup_23.x -o nodesource_setup.sh | bash -
apt install -y nodejs npm

# Set up sqlite
apt install -y sqlite3
sqlite3 "$db_path" < "$schema_path"

# Go to project directory and set up the rest
cd "$proj_dir"
npm ci
cp config.ini.example config.ini

# Get the novnc repo
git submodule update --init --recursive

# Create systemd service
touch "$service_file"
cat <<EOF >"$service_file"
[Unit]
Description=Proxmox Web Portal
After=network.target

[Service]
Environment=NODE_ENV=test
WorkingDirectory=${proj_dir}
ExecStart=/usr/bin/node ${proj_dir}/server.js
Restart=always
RestartSec=10
User=www-data
Group=www-data
StandardOutput=append:${log_dir}/output.log
StandardError=append:${log_dir}/error.log

[Install]
WantedBy=multi-user.target
EOL

echo "Setup is finished, please configure config.ini, mariadb followed by importing schema.sql, apache and start with systemctl start proxmox-web-portal"