#!/bin/sh

REPO_URL="${REPO_URL:-https://github.com/YOUR_USERNAME/YOUR_REPO.git}"
BRANCH="${BRANCH:-main}"
POLL_INTERVAL="${POLL_INTERVAL:-3600}"

echo "Starting updater for $REPO_URL (branch: $BRANCH)"

# Build initially
cd /app
npm install
npm run build

# Copy to shared volume
cp -r /app/dist/* /dist/

echo "Initial build complete"

# Poll for updates
while true; do
  sleep "$POLL_INTERVAL"

  echo "Checking for updates..."
  git fetch origin "$BRANCH"

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

  if [ "$LOCAL" != "$REMOTE" ]; then
    echo "New changes detected! Rebuilding..."

    git pull origin "$BRANCH"
    npm run build
    cp -r /app/dist/* /dist/

    echo "Done!"
  else
    echo "No changes"
  fi
done