#!/bin/bash

# Install Overpass API

# Step 1: Install required software packages
echo "Installing required packages..."
apt install wget g++ make expat libexpat1-dev zlib1g-dev liblz4-dev -y

# Step 2: Download the latest release of Overpass API
cd /opt
echo "Downloading Overpass API..."
wget https://dev.overpass-api.de/releases/osm-3s_latest.tar.gz

# Extract the package
echo "Extracting package..."
tar -xzf osm-3s_latest.tar.gz

# Navigate into the extracted directory
EXTRACTED_DIR=$(tar -tf osm-3s_latest.tar.gz | head -1 | cut -f1 -d"/")
ln -s "$EXTRACTED_DIR" osm
cd "$EXTRACTED_DIR"

# Compile the software
echo "Compiling Overpass API..."
./configure --enable-lz4
make
chmod 755 bin/*.sh cgi-bin/*

# Step 3: Load Data
DB_DIR="db"

echo "Cloning the database..."
mkdir -p $DB_DIR
bin/download_clone.sh --db-dir="$DB_DIR/" --meta=attic --source="https://dev.overpass-api.de/api_drolbr/"

# Step 4: Create system user
echo "Creating system user..."
useradd -m osm
chown -R osm:osm .

# Step 5: Set up systemd service files
echo "Setting up services..."
SCRIPT_DIR=$(dirname "$0")
cp "$SCRIPT_DIR/systemd/*" /etc/systemd/system/
install "$SCRIPT_DIR/oscmonitor/oscmonitor" /usr/local/bin/
systemctl enable --now overpass
systemctl enable --now overpassareas
systemctl enable --now overpassloop
systemctl enable --now overpassosc
systemctl enable --now oscmonitor.timer

echo "Overpass API installation completed."
echo "Please set up Apache based on the apache/example.conf file."