#!/usr/bin/env bash
set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
REPO_URL="${GIT_REPO_URL:-https://git.organic-server.org/organic-CPU/website-but-better.git}"
BRANCH="${GIT_BRANCH:-main}"
DEPLOY_DIR="${DEPLOY_DIR:-/var/www/html}"

cd "$ROOT_DIR"

if [ ! -d .git ]; then
  if [ "$(find . -maxdepth 1 -mindepth 1 | wc -l)" -eq 0 ]; then
    echo "Cloning website repository from $REPO_URL into $ROOT_DIR"
    git clone "$REPO_URL" .
  else
    echo "Error: $ROOT_DIR is not a git repository and is not empty." >&2
    echo "Please clone the repository into this directory or initialize git manually." >&2
    exit 1
  fi
fi

echo "Syncing website from $REPO_URL ($BRANCH)"
git remote set-url origin "$REPO_URL"
git fetch origin --prune

git checkout "$BRANCH"
git pull --ff-only origin "$BRANCH"

echo "Regenerating manifests"
if command -v python3 >/dev/null 2>&1; then
  python3 scripts/generate_blog_manifest.py
  python3 scripts/generate_manifest.py
else
  echo "Warning: python3 not found; manifest regeneration skipped." >&2
fi

if [ "$DEPLOY_DIR" != "$ROOT_DIR" ]; then
  echo "Deploying website files to $DEPLOY_DIR"
  mkdir -p "$DEPLOY_DIR"
  rsync -a --delete \
    --exclude '.git' \
    --exclude 'scripts/' \
    --exclude 'nginx/' \
    --exclude '.gitignore' \
    --exclude '*.sh' \
    "$ROOT_DIR/" "$DEPLOY_DIR/"
fi

echo "Website sync complete."