#!/bin/bash
# One-time setup for ralpha-ue5 on DO droplet
# Run this after base UE5 is installed

set -e

REPO_DIR="/opt/ralpha-ue5"
GITHUB_TOKEN="${GITHUB_TOKEN:-}"

echo "=== Setting up ralpha-ue5 on droplet ==="

# Install jq for JSON parsing
apt-get update && apt-get install -y jq

# Create ralpha user if not exists
if ! id "ralpha" &>/dev/null; then
    useradd -m -s /bin/bash ralpha
fi

# Clone ralpha-ue5 with LFS
if [ ! -d "$REPO_DIR" ]; then
    echo "Cloning ralpha-ue5..."

    if [ -n "$GITHUB_TOKEN" ]; then
        git clone "https://${GITHUB_TOKEN}@github.com/jamestagg/ralpha-ue5.git" "$REPO_DIR"
    else
        git clone "https://github.com/jamestagg/ralpha-ue5.git" "$REPO_DIR"
    fi

    cd "$REPO_DIR"
    git lfs install
    git lfs pull
else
    echo "ralpha-ue5 already exists at $REPO_DIR"
fi

# Create log directories
mkdir -p /var/log/ralpha
mkdir -p /var/lib/ralpha
chown -R ralpha:ralpha /var/log/ralpha /var/lib/ralpha

# Set ownership
chown -R ralpha:ralpha "$REPO_DIR"

# Make scripts executable
chmod +x "$REPO_DIR/scripts/"*.sh

# Create symlink for plugin (assumes main ralpha repo is at /opt/ralpha)
if [ -d "/opt/ralpha/plugin" ] && [ ! -L "$REPO_DIR/Plugins/RalphaPlugin" ]; then
    mkdir -p "$REPO_DIR/Plugins"
    ln -sf /opt/ralpha/plugin "$REPO_DIR/Plugins/RalphaPlugin"
    echo "Created plugin symlink"
fi

# Install systemd service
cp "$REPO_DIR/scripts/ralpha-ue5.service" /etc/systemd/system/
systemctl daemon-reload
systemctl enable ralpha-ue5

echo "=== Setup complete ==="
echo "To start: systemctl start ralpha-ue5"
echo "To check status: systemctl status ralpha-ue5"
echo "Logs: /var/log/ralpha/"