#!/bin/bash
# Brother QL Bridge - Nightly Update Script
# Pulls latest code from GitHub and restarts the service if anything changed.
set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"

cd "$PROJECT_DIR"

echo "Fetching latest changes from origin/main..."
git fetch origin main

LOCAL=$(git rev-parse HEAD)
REMOTE=$(git rev-parse origin/main)

if [ "$LOCAL" = "$REMOTE" ]; then
    echo "Already up to date."
    exit 0
fi

echo "Updating from $LOCAL to $REMOTE..."

# Check if requirements.txt will change
REQUIREMENTS_CHANGED=$(git diff HEAD origin/main --name-only -- requirements.txt)

git reset --hard origin/main

if [ -n "$REQUIREMENTS_CHANGED" ]; then
    echo "requirements.txt changed, reinstalling dependencies..."
    uv pip install -r requirements.txt
fi

echo "Restarting brother-ql-bridge service..."
sudo systemctl restart brother-ql-bridge

echo "Update complete."