#!/usr/bin/env bash
# teardown.sh — Elimina el entorno de una rama (al borrar la rama o a mano).
# usage: teardown.sh <branch>
set -euo pipefail

BRANCH="${1:?usage: $0 <branch>}"
DOMAIN="localesp.es"

log() { printf '\033[1;34m[teardown]\033[0m %s\n' "$*"; }

slugify() { printf '%s' "$1" | tr '[:upper:]' '[:lower:]' | sed -E 's/[^a-z0-9]+/-/g; s/^-+//; s/-+$//'; }
SLUG="$(slugify "$BRANCH")"
UNIT="localesp-$SLUG"
HOST="$SLUG.$DOMAIN"
DEST="/opt/localesp/$SLUG"

log "$HOST  ($DEST, $UNIT)"

systemctl disable --now "$UNIT" 2>/dev/null || true
rm -f "/etc/systemd/system/$UNIT.service"
systemctl daemon-reload

if [ -d "/etc/letsencrypt/live/$HOST" ]; then
  log "borrando cert $HOST"
  certbot delete --cert-name "$HOST" -n 2>/dev/null || true
fi

HOST_RE="$(printf '%s' "$HOST" | sed 's/\./\\./g')"
VHOST="$(grep -rlE "server_name[[:space:]]+$HOST_RE[[:space:]]*;" /etc/nginx/conf.d/*.conf 2>/dev/null | head -1 || true)"
if [ -n "$VHOST" ]; then
  log "borrando vhost $VHOST"
  rm -f "$VHOST"
  nginx -t && systemctl reload nginx
fi

rm -rf "$DEST"
log "entorno eliminado ✓"