#!/bin/bash

# DNSBlock Agent Installer (Binary Distribution)

INSTALL_DIR="/opt/dnsblock"
SOURCE_DIR=$(pwd)

# Check root
if [ "$(id -u)" -ne 0 ]; then
  echo "Please run as root"
  exit 1
fi

echo "Installing DNSBlock Agent..."

# Create Directory
mkdir -p "$INSTALL_DIR"

# Copy Binary
if [ -f "$SOURCE_DIR/dnsblock-agent" ]; then
    cp "$SOURCE_DIR/dnsblock-agent" "$INSTALL_DIR/"
    chmod +x "$INSTALL_DIR/dnsblock-agent"
else
    echo "Error: dnsblock-agent binary not found in current directory."
    exit 1
fi

# Create Config if not exists
if [ ! -f "$INSTALL_DIR/config.json" ]; then
    echo "Creating default config..."
    if [ -f "$SOURCE_DIR/config.json.example" ]; then
        cp "$SOURCE_DIR/config.json.example" "$INSTALL_DIR/config.json"
    else
         cat <<EOF > "$INSTALL_DIR/config.json"
{
    "serial_key": "YOUR_SERIAL_KEY_HERE",
    "api_url": "https://seu-painel.com",
    "rpz_file": "/opt/dnsblock/rpz.dnsblock.zone"
}
EOF
    fi
    echo "Config file created at $INSTALL_DIR/config.json. Please edit it with your Serial Key and API URL."
fi

# Setup Systemd Service
echo "Setting up systemd service..."
if [ -f "$SOURCE_DIR/dnsblock-agent.service" ]; then
    cp "$SOURCE_DIR/dnsblock-agent.service" /etc/systemd/system/
    systemctl daemon-reload
    systemctl enable dnsblock-agent
    
    echo "Installation Complete!"
    echo "1. Edit /opt/dnsblock/config.json"
    echo "2. Start service: systemctl start dnsblock-agent"
else
    echo "Error: dnsblock-agent.service not found."
    exit 1
fi