#!/usr/bin/env bash
set -euo pipefail
source ./lib.sh

log "MOTD installieren …"
install -d /usr/local/bin
cat >/usr/local/bin/mw-motd <<'SH'
#!/usr/bin/env bash
set -euo pipefail
NC="\033[0m"; CY="\033[1;36m"; GR="\033[1;32m"; YE="\033[1;33m"; RD="\033[1;31m"; GY="\033[0;90m"
printf "\033[1;36m"
cat <<'ASCII'
::::    ::::      :::     ::::::::::: :::      :::       :::  ::::::::  :::    :::::::::::
+:+:+: :+:+:+   :+: :+:       :+:     :+:      :+:       :+: :+:    :+: :+:        :+:
+:+ +:+:+ +:+  +:+   +:+      +:+     +:+      +:+       +:+ +:+    +:+ +:+        +:+
+#+  +:+  +#+ +#++:++#++:     +#+     +#+      +#+  +:+  +#+ +#+    +:+ +#+        +#+
+#+       +#+ +#+     +#+     +#+     +#+      +#+ +#+#+ +#+ +#+    +#+ +#+        +#+
#+#       #+# #+#     #+#     #+#     #+#       #+#+# #+#+#  #+#    #+# #+#        #+#
###       ### ###     ### ########### ########## ###   ###    ########  ########## ###
ASCII
printf "\033[0m\n"
now="$(date '+%Y-%m-%d %H:%M:%S %Z')"
fqdn="$(hostname -f 2>/dev/null || hostname)"
ip_int="$(hostname -I 2>/dev/null | awk '{print $1}')"
ip_ext=""; command -v curl >/dev/null 2>&1 && ip_ext="$(curl -s --max-time 1 https://ifconfig.me || true)"
upt="$(uptime -p 2>/dev/null || true)"
cores="$(nproc 2>/dev/null || echo -n '?')"
load="$(awk '{print $1" / "$2" / "$3}' /proc/loadavg 2>/dev/null)"
svc(){ systemctl is-active --quiet "$1" && echo -e "${GR}OK${NC}" || echo -e "${RD}FAIL${NC}"; }
printf "${CY}Information as of:${NC} ${YE}%s${NC}\n" "$now"
printf "${GY}FQDN   :${NC} %s\n" "$fqdn"
if [ -n "$ip_ext" ]; then printf "${GY}IP     :${NC} %s ${GY}(ext:${NC} %s${GY})${NC}\n" "${ip_int:-?}" "$ip_ext"; else printf "${GY}IP     :${NC} %s\n" "${ip_int:-?}"; fi
printf "${GY}Uptime :${NC} %s\n" "${upt:-?}"
printf "${GY}Cores  :${NC} %s\n" "$cores"
printf "${GY}Load   :${NC} %s (1/5/15)\n" "${load:-?}"
printf "${GY}Svc    :${NC} postfix: $(svc postfix)  dovecot: $(svc dovecot)  nginx: $(svc nginx)  mariadb: $(svc mariadb)  redis: $(svc redis)\n"
SH
chmod +x /usr/local/bin/mw-motd

if [[ -d /etc/update-motd.d ]]; then
  cat >/etc/update-motd.d/10-mailwolt <<'SH'
#!/usr/bin/env bash
/usr/local/bin/mw-motd
SH
  chmod +x /etc/update-motd.d/10-mailwolt
  [[ -f /etc/update-motd.d/50-motd-news ]] && chmod -x /etc/update-motd.d/50-motd-news || true
else
  cat >/etc/profile.d/10-mailwolt-motd.sh <<'SH'
case "$-" in *i*) /usr/local/bin/mw-motd ;; esac
SH
fi
: > /etc/motd 2>/dev/null || true

#cat >/usr/local/bin/mw-motd <<'SH'
##!/usr/bin/env bash
## bewusst KEIN "set -e"; MOTD soll nie hart abbrechen
#set -u
#
## Farben
#NC="\033[0m"; CY="\033[1;36m"; GR="\033[1;32m"; YE="\033[1;33m"; RD="\033[1;31m"; GY="\033[0;90m"; WH="\033[1;37m"
#
## Installer-Variablen (optional)
#UI_HOST=""; WEBMAIL_HOST=""; MAIL_HOSTNAME=""; LE_EMAIL=""; PROXY_MODE=""; NPM_IP=""
#[ -r /etc/mailwolt/installer.env ] && . /etc/mailwolt/installer.env || true
## Aus .env (falls vorhanden)
#if [ -r /var/www/mailwolt/.env ]; then
#  LE_EMAIL="${LE_EMAIL:-$(grep -E '^LE_EMAIL=' /var/www/mailwolt/.env 2>/dev/null | sed 's/^LE_EMAIL=//')}"
#  PROXY_MODE="${PROXY_MODE:-$(grep -E '^PROXY_MODE=' /var/www/mailwolt/.env 2>/dev/null | sed 's/^PROXY_MODE=//')}"
#  NPM_IP="${NPM_IP:-$(grep -E '^NPM_IP=' /var/www/mailwolt/.env 2>/dev/null | sed 's/^NPM_IP=//')}"
#fi
#
## Header
#printf "${CY}"
#cat <<'ASCII'
#::::    ::::      :::     ::::::::::: :::      :::       :::  ::::::::  :::    :::::::::::
#+:+:+: :+:+:+   :+: :+:       :+:     :+:      :+:       :+: :+:    :+: :+:        :+:
#+:+ +:+:+ +:+  +:+   +:+      +:+     +:+      +:+       +:+ +:+    +:+ +:+        +:+
#+#+  +:+  +#+ +#++:++#++:     +#+     +#+      +#+  +:+  +#+ +#+    +:+ +#+        +#+
#+#+       +#+ +#+     +#+     +#+     +#+      +#+ +#+#+ +#+ +#+    +#+ +#+        +#+
##+#       #+# #+#     #+#     #+#     #+#       #+#+# #+#+#  #+#    #+# #+#        #+#
####       ### ###     ### ########### ########## ###   ###    ########  ########## ###
#ASCII
#printf "${NC}\n"
#
## Safe-Helfer (niemals Script killen)
#grab() { eval "$1" 2>/dev/null || true; }
#line() { printf "${GY}%-7s:${NC} %s\n" "$1" "$2"; }
#
## Systemdaten
#now="$(date '+%Y-%m-%d %H:%M:%S %Z' 2>/dev/null || echo -n '-')"
#fqdn="$(hostname -f 2>/dev/null || hostname 2>/dev/null || echo -n '-')"
#ip_int="$(hostname -I 2>/dev/null | awk '{print $1}' 2>/dev/null || true)"
#ip_ext="$(curl -fsS --max-time 1 https://ifconfig.me 2>/dev/null || true)"
#upt="$(uptime -p 2>/dev/null || echo -n '-')"
#cores="$(nproc 2>/dev/null || echo -n '-')"
#load="$(awk '{print $1" / "$2" / "$3}' /proc/loadavg 2>/dev/null || echo -n '-')"
#
## RAM/SWAP (MiB)
#mem_total="$(awk '/MemTotal/ {print int($2/1024)}' /proc/meminfo 2>/dev/null || echo -n '-')"
#mem_avail="$(awk '/MemAvailable/ {print int($2/1024)}' /proc/meminfo 2>/dev/null || echo -n '0')"
#mem_used=$(( ${mem_total:-0}-${mem_avail:-0} ))
#swap_total="$(awk '/SwapTotal/ {print int($2/1024)}' /proc/meminfo 2>/dev/null || echo -n '-')"
#swap_free="$(awk '/SwapFree/  {print int($2/1024)}' /proc/meminfo 2>/dev/null || echo -n '0')"
#swap_used=$(( ${swap_total:-0}-${swap_free:-0} ))
#
## Disks
#disk_line(){ df -hP "$1" 2>/dev/null | awk 'NR==2{printf "%s/%s (%s used)", $3,$2,$5}'; }
#disk_root="$(disk_line /)"
#disk_var="$(disk_line /var)"
#
#svc_state(){
#  local unit="$1"
#  if systemctl is-active --quiet "$unit"; then
#    printf "${GR}OK${NC}"
#  else
#    printf "${RD}FAIL${NC}"
#  fi
#}
#
## Ausgabe
#printf "${CY}Information as of:${NC} ${YE}%s${NC}\n" "$now"
#line "FQDN"   "$fqdn"
#if [ -n "$ip_ext" ]; then
#  printf "${GY}%-7s:${NC} %s ${GY}(ext:${NC} %s${GY})${NC}\n" "IP" "${ip_int:--}" "$ip_ext"
#else
#  line "IP" "${ip_int:--}"
#fi
#line "Uptime" "$upt"
#printf "${GY}%-7s:${NC} %s cores, load %s (1/5/15)\n" "CPU" "$cores" "$load"
#printf "${GY}%-7s:${NC} %s MiB used / %s MiB total\n" "RAM" "$mem_used" "$mem_total"
#printf "${GY}%-7s:${NC} %s MiB used / %s MiB total\n" "SWAP" "$swap_used" "$swap_total"
#line "Disk /"   "${disk_root:-'-'}"
#line "Disk/var" "${disk_var:-'-'}"
#
## App/Installer Infos
#[ -n "${LE_EMAIL:-}" ]     && line "LE Mail" "$LE_EMAIL"
#[ -n "${UI_HOST:-}" ]      && line "UI"      "$UI_HOST"
#[ -n "${WEBMAIL_HOST:-}" ] && line "Webmail" "$WEBMAIL_HOST"
#[ -n "${MAIL_HOSTNAME:-}" ]&& line "MX"      "$MAIL_HOSTNAME"
#if [ -n "${PROXY_MODE:-}" ]; then
#  if [ "$PROXY_MODE" = "1" ]; then
#    line "Proxy" "ja (NPM: ${NPM_IP:-unbekannt})"
#  elif [ "$PROXY_MODE" = "dev" ]; then
#    line "Proxy" "Entwicklungsmodus"
#  else
#    line "Proxy" "nein"
#  fi
#fi
#
## Services
#printf "${WH}\nServices:${NC}\n"
#printf "  nginx              … %b\n" "$(svc_state nginx)"
#printf "  mariadb            … %b\n" "$(svc_state mariadb)"
#printf "  redis-server       … %b\n" "$(svc_state redis-server)"
#printf "  postfix            … %b\n" "$(svc_state postfix)"
#printf "  dovecot            … %b\n" "$(svc_state dovecot)"
#printf "  mailwolt-ws        … %b\n" "$(svc_state mailwolt-ws)"
#printf "  mailwolt-queue     … %b\n" "$(svc_state mailwolt-queue)"
#printf "  mailwolt-schedule  … %b\n" "$(svc_state mailwolt-schedule)"
#
## Zertifikatskurzinfo (nur wenn vorhanden)
#show_cert_exp(){
#  local name="$1" path="$2"
#  if [ -r "$path" ]; then
#    local exp
#    exp="$(openssl x509 -in "$path" -noout -enddate 2>/dev/null | sed 's/notAfter=//')"
#    [ -n "$exp" ] && printf "${GY}%s cert:${NC} expires %s\n" "$name" "$exp"
#  fi
#}
#show_cert_exp "UI"      "/etc/ssl/ui/fullchain.pem"
#show_cert_exp "Webmail" "/etc/ssl/webmail/fullchain.pem"
#show_cert_exp "MX"      "/etc/ssl/mail/fullchain.pem"
#
#exit 0
#SH
#chmod 755 /usr/local/bin/mw-motd