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

# --- Flags / Modi ---
DEV_MODE=0
PROXY_MODE=0
NPM_IP=""

while [[ $# -gt 0 ]]; do
  case "$1" in
    -dev) DEV_MODE=1 ;;
    -proxy) PROXY_MODE=1; NPM_IP="${2:-}"; shift ;;
  esac
  shift
done

APP_ENV="${APP_ENV:-$([[ $DEV_MODE -eq 1 ]] && echo local || echo production)}"
APP_DEBUG="${APP_DEBUG:-$([[ $DEV_MODE -eq 1 ]] && echo true  || echo false)}"
export DEV_MODE PROXY_MODE NPM_IP APP_ENV APP_DEBUG

cd "$(dirname "$0")"
source ./lib.sh
require_root
header

# ── Defaults ────────────────────────────────────────────────────────────────
APP_NAME="${APP_NAME:-MailWolt}"
APP_USER="${APP_USER:-mailwolt}"
APP_GROUP="${APP_GROUP:-www-data}"
APP_USER_PREFIX="${APP_USER_PREFIX:-mw}"
APP_DIR="${APP_DIR:-/var/www/${APP_USER}}"

BASE_DOMAIN="${BASE_DOMAIN:-example.com}"
UI_SUB="${UI_SUB:-ui}"
WEBMAIL_SUB="${WEBMAIL_SUB:-webmail}"
MTA_SUB="${MTA_SUB:-mx}"

DB_NAME="${DB_NAME:-${APP_USER}}"
DB_USER="${DB_USER:-${APP_USER}}"
DB_PASS="${DB_PASS:-$(openssl rand -hex 16)}"

SERVER_PUBLIC_IPV4="$(detect_ip)"
SERVER_PUBLIC_IPV6="$(detect_ipv6)"
DEFAULT_TZ="$(detect_timezone)"
DEFAULT_LOCALE="$(guess_locale_from_tz "$DEFAULT_TZ")"

echo -e "${GREY}Erkannte IP (v4): ${SERVER_PUBLIC_IPV4}  v6: ${SERVER_PUBLIC_IPV6:-–}${NC}"

read -r -p "Mailserver FQDN (z.B. mx.domain.tld) [Enter=${MTA_SUB}.${BASE_DOMAIN}]: " MAIL_FQDN
MAIL_FQDN="${MAIL_FQDN:-${MTA_SUB}.${BASE_DOMAIN}}"

if [[ "$MAIL_FQDN" =~ ^([^.]+)\.(.+)$ ]]; then
  MTA_SUB="${BASH_REMATCH[1]}"
  BASE_DOMAIN="${BASH_REMATCH[2]}"
fi

UI_HOST="${UI_SUB}.${BASE_DOMAIN}"
WEBMAIL_HOST="${WEBMAIL_SUB}.${BASE_DOMAIN}"
MAIL_HOSTNAME="${MAIL_FQDN}"

export APP_NAME APP_USER APP_GROUP APP_USER_PREFIX APP_DIR
export BASE_DOMAIN UI_SUB WEBMAIL_SUB MTA_SUB
export UI_HOST WEBMAIL_HOST MAIL_HOSTNAME
export DB_NAME DB_USER DB_PASS
export SERVER_PUBLIC_IPV4 SERVER_PUBLIC_IPV6 APP_TZ APP_LOCALE

# ── Sequenz ────────────────────────────────────────────────────────────────
for STEP in 10-provision 20-ssl 21-le-deploy-hook 30-db 40-postfix 50-dovecot 60-rspamd-opendkim 70-nginx 75-le-issue 80-app 90-services 95-monit 98-motd 99-summary
do
  log ">>> Running ${STEP}.sh"
  bash "./${STEP}.sh"
done