#!/usr/bin/env bash
# deploy-monitoring-sites.sh — rsync generated HTML to DEPLOY_WWW_ROOT on koopa.
# Does NOT reload Caddy (needs root — see ROOT-ON-KOOPA.md).
set -uo pipefail

HERE=$(cd "$(dirname "$0")" && pwd)
SUITE_ROOT=$(cd "$HERE/../.." && pwd)
SITE_GEN="${SITE_GEN_DIR:-$SUITE_ROOT/site-gen}"
ROOT="$HERE"
SETTINGS="${SITE_GEN_SETTINGS:-$SITE_GEN/settings.conf}"
[ -f "$SETTINGS" ] || SETTINGS="$SITE_GEN/settings.conf.example"
# shellcheck disable=SC1090
set -a
source <(grep -v '^\s*#' "$SETTINGS" | grep -v '^\s*$' | sed 's/\r$//')
set +a

WORK_ROOT="${WORK_ROOT:-/tmp/taler-monitoring-sites-work}"
HTML_DIR="$WORK_ROOT/html"
DEPLOY_SSH="${DEPLOY_SSH:-}"
DEPLOY_WWW_ROOT="${DEPLOY_WWW_ROOT:-}"

if [ ! -d "$HTML_DIR" ]; then
  echo "no HTML_DIR $HTML_DIR — run generate-monitoring-sites.sh first" >&2
  exit 1
fi

echo "deploy $HTML_DIR → ${DEPLOY_SSH}:${DEPLOY_WWW_ROOT}/"
# Prefer writing to a hernani-owned staging dir if /var/www not writable
STAGE_REMOTE="${DEPLOY_STAGING:-${DEPLOY_STAGING:-$HOME/monitoring-sites-staging}}"

ssh -o BatchMode=yes -o ConnectTimeout=20 "$DEPLOY_SSH" \
  "mkdir -p '$STAGE_REMOTE' '$DEPLOY_WWW_ROOT' 2>/dev/null || mkdir -p '$STAGE_REMOTE'"

rsync -az --delete "$HTML_DIR/" "${DEPLOY_SSH}:${STAGE_REMOTE}/"
echo "staged on $DEPLOY_SSH:$STAGE_REMOTE"
echo
echo "If $DEPLOY_WWW_ROOT is root-owned, as root on koopa:"
echo "  mkdir -p $DEPLOY_WWW_ROOT"
echo "  rsync -a --delete $STAGE_REMOTE/ $DEPLOY_WWW_ROOT/"
echo "  chown -R caddy:caddy $DEPLOY_WWW_ROOT   # or root:caddy — match other www"
echo "  # then Caddyfile handles + reload — see ROOT-ON-KOOPA.md"
echo
# try direct rsync to DEPLOY_WWW_ROOT if writable
if ssh -o BatchMode=yes "$DEPLOY_SSH" "test -w '$DEPLOY_WWW_ROOT' 2>/dev/null || test -w \"\$(dirname '$DEPLOY_WWW_ROOT')\""; then
  rsync -az --delete "$HTML_DIR/" "${DEPLOY_SSH}:${DEPLOY_WWW_ROOT}/" && \
    echo "also synced directly to $DEPLOY_WWW_ROOT"
fi