#!/bin/sh
set -e

CONFIG_DIR="${WEBDAV_CONFIG_DIR:-/webdav-config}"

mkdir -p /var/lib/dav /data/uploads "$CONFIG_DIR"
chown -R 1000:1000 /var/lib/dav /data/uploads "$CONFIG_DIR" 2>/dev/null || true

# Ensure the referenced files exist so Apache starts even before first sync.
[ -f "$CONFIG_DIR/htpasswd" ]    || : > "$CONFIG_DIR/htpasswd"
[ -f "$CONFIG_DIR/access.conf" ] || : > "$CONFIG_DIR/access.conf"
chown 1000:1000 "$CONFIG_DIR/htpasswd" "$CONFIG_DIR/access.conf" 2>/dev/null || true

# Graceful-reload watcher: triggered when htpasswd / access.conf are rewritten.
(
  sleep 2
  while :; do
    if command -v inotifywait >/dev/null 2>&1; then
      inotifywait -q -e close_write,moved_to,create,delete -- "$CONFIG_DIR" >/dev/null 2>&1 || sleep 2
    else
      sleep 5
    fi
    sleep 1
    echo "[webdav] config changed -> apachectl graceful"
    apachectl graceful 2>/dev/null || true
  done
) &

# Apache2 needs these env vars when started via apachectl
. /etc/apache2/envvars

exec "$@"