#!/usr/bin/env bash
# casjaysdevdocker/apprise - launches gunicorn (background) then nginx (foreground).
#
# Single command for the framework's EXEC_CMD_BIN slot.
set -e

# Runtime dirs
mkdir -p /run/apprise /tmp/apprise /data/logs/apprise \
         /config/apprise/store /config/apprise/attach /config/apprise/plugin
chmod 1777 /tmp/apprise

# Apprise-API env knobs (defaults; overridable via /config/env/apprise.sh)
export APPRISE_CONFIG_DIR="${APPRISE_CONFIG_DIR:-/config/apprise/store}"
export APPRISE_ATTACH_DIR="${APPRISE_ATTACH_DIR:-/config/apprise/attach}"
export APPRISE_PLUGIN_PATHS="${APPRISE_PLUGIN_PATHS:-/config/apprise/plugin}"
export PYTHONPATH="${PYTHONPATH:-/usr/local/share/apprise-api/webapp}"
export DJANGO_SETTINGS_MODULE="${DJANGO_SETTINGS_MODULE:-core.settings}"

# Resolve the gunicorn binary; Alpine's py3-gunicorn installs to /usr/bin/gunicorn
GUNICORN_BIN="$(command -v gunicorn || true)"
if [ -z "$GUNICORN_BIN" ]; then
  echo "gunicorn not found in PATH" >&2
  exit 2
fi

# Start gunicorn in background (only if not already running)
if ! pgrep -f 'gunicorn.*core.wsgi' >/dev/null 2>&1; then
  cd /usr/local/share/apprise-api/webapp
  "$GUNICORN_BIN" \
    --bind unix:/run/apprise/gunicorn.sock \
    --workers "${GUNICORN_WORKERS:-4}" \
    --timeout "${GUNICORN_TIMEOUT:-120}" \
    --worker-tmp-dir /dev/shm \
    --access-logfile /data/logs/apprise/gunicorn-access.log \
    --error-logfile /data/logs/apprise/gunicorn-err.log \
    core.wsgi:application \
    >>/data/logs/apprise/gunicorn.log 2>>/data/logs/apprise/gunicorn-err.log &

  # wait up to 30s for the unix socket
  i=0
  while [ ! -S /run/apprise/gunicorn.sock ] && [ $i -lt 30 ]; do
    sleep 1
    i=$((i + 1))
  done
  if [ ! -S /run/apprise/gunicorn.sock ]; then
    echo "gunicorn failed to create socket /run/apprise/gunicorn.sock after 30s" >&2
    cat /data/logs/apprise/gunicorn-err.log >&2 || true
    exit 3
  fi
  # Allow nginx (running as 'nginx' user) to connect to the gunicorn socket
  # (gunicorn creates it owned by the launching user, default mode 660).
  chmod 666 /run/apprise/gunicorn.sock
fi

# nginx in foreground (nginx.conf has daemon off;)
exec /usr/sbin/nginx -c /etc/nginx/nginx.conf