#!/bin/bash
# Telfax Enterprise Fax Server Installation Script
#
# Usage: sudo ./install.sh

set -e

INSTALL_DIR="/opt/telfax"
DATA_DIR="/var/lib/telfax"
LOG_DIR="/var/log/telfax"
CONFIG_FILE="$INSTALL_DIR/config.toml"

echo "=== Telfax Enterprise Fax Server Installation ==="

# Create user and group
echo "Creating telfax user..."
if ! id -u telfax &>/dev/null; then
    useradd -r -s /bin/false telfax
fi

# Create directories
echo "Creating directories..."
mkdir -p "$INSTALL_DIR/bin"
mkdir -p "$DATA_DIR"
mkdir -p "$LOG_DIR"

# Build the binary
echo "Building telfax..."
cd "$(dirname "$0")/.."
cargo build --release
cp target/release/telfax "$INSTALL_DIR/bin/"

# Copy default config if not exists
if [ ! -f "$CONFIG_FILE" ]; then
    echo "Copying default configuration..."
    cp deployment/config.toml "$CONFIG_FILE"
    echo "IMPORTANT: Edit $CONFIG_FILE and set your authentication tokens!"
fi

# Install systemd service
echo "Installing systemd service..."
cp deployment/telfax.service /etc/systemd/system/
systemctl daemon-reload

# Set permissions
echo "Setting permissions..."
chown -R telfax:telfax "$INSTALL_DIR"
chown -R telfax:telfax "$DATA_DIR"
chown -R telfax:telfax "$LOG_DIR"
chmod 600 "$CONFIG_FILE"

echo ""
echo "=== Installation Complete ==="
echo ""
echo "Configuration file: $CONFIG_FILE"
echo "Data directory:     $DATA_DIR"
echo "Log directory:      $LOG_DIR"
echo ""
echo "Next steps:"
echo "  1. Edit $CONFIG_FILE and configure your modems and auth tokens"
echo "  2. systemctl enable telfax"
echo "  3. systemctl start telfax"
echo "  4. journalctl -u telfax -f  # View logs"
echo ""