#!/bin/bash
# RedFlag Agent Installer - Linux
# Generated for agent: {{.AgentID}}
# Platform: {{.Platform}}
# Version: {{.Version}}

set -e

AGENT_ID="{{.AgentID}}"
BINARY_URL="{{.BinaryURL}}"
CONFIG_URL="{{.ConfigURL}}"
INSTALL_DIR="/usr/local/bin"
CONFIG_DIR="/etc/redflag"
SERVICE_NAME="redflag-agent"
VERSION="{{.Version}}"

echo "=== RedFlag Agent v${VERSION} Installation ==="
echo "Agent ID: ${AGENT_ID}"
echo "Platform: {{.Platform}}"
echo "Installing to: ${INSTALL_DIR}/${SERVICE_NAME}"
echo

# Step 1: Create directories
echo "Creating directories..."
sudo mkdir -p "${CONFIG_DIR}"
sudo mkdir -p "/var/lib/redflag"
sudo mkdir -p "/var/log/redflag"

# Step 2: Download agent binary
echo "Downloading agent binary..."
sudo curl -sSL -o "${INSTALL_DIR}/${SERVICE_NAME}" "${BINARY_URL}"
sudo chmod +x "${INSTALL_DIR}/${SERVICE_NAME}"

# Step 3: Download configuration
echo "Downloading configuration..."
sudo curl -sSL -o "${CONFIG_DIR}/config.json" "${CONFIG_URL}"
sudo chmod 600 "${CONFIG_DIR}/config.json"

# Step 4: Create systemd service
echo "Creating systemd service..."
cat <<EOF | sudo tee /etc/systemd/system/${SERVICE_NAME}.service
[Unit]
Description=RedFlag Security Agent
After=network.target

[Service]
Type=simple
User=root
ExecStart=${INSTALL_DIR}/${SERVICE_NAME}
Restart=always
RestartSec=30

[Install]
WantedBy=multi-user.target
EOF

# Step 5: Enable and start service
echo "Enabling and starting service..."
sudo systemctl daemon-reload
sudo systemctl enable ${SERVICE_NAME}
sudo systemctl start ${SERVICE_NAME}

echo
echo "✓ Installation complete!"
echo "Agent is running. Check status with: sudo systemctl status ${SERVICE_NAME}"
echo "View logs with: sudo journalctl -u ${SERVICE_NAME} -f"