#!/usr/bin/env bash
# Deploy telegram relay on the VPS (idempotent).
# Expects app files already present in APP_DIR (CI rsync or prior clone).
set -euo pipefail

APP_DIR="${APP_DIR:-/opt/ghabilee-telegram-relay}"

cd "$APP_DIR"

install -m 0644 deploy/docker-compose.production.yml "$APP_DIR/docker-compose.yml"

if [ ! -f "$APP_DIR/.env" ]; then
  echo "Missing $APP_DIR/.env — copy from .env.example and fill secrets before serving traffic." >&2
  cp .env.example "$APP_DIR/.env"
  chmod 600 "$APP_DIR/.env"
  echo "Created placeholder .env; edit it, then re-run deploy." >&2
  exit 2
fi

docker compose -f "$APP_DIR/docker-compose.yml" build --pull
docker compose -f "$APP_DIR/docker-compose.yml" up -d --remove-orphans

install -m 0644 deploy/nginx/telegram-relay.conf /etc/nginx/sites-available/telegram-relay
ln -sfn /etc/nginx/sites-available/telegram-relay /etc/nginx/sites-enabled/telegram-relay
nginx -t
systemctl reload nginx

for attempt in $(seq 1 30); do
  health="$(docker inspect --format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' ghabilee-telegram-relay 2>/dev/null || echo missing)"
  echo "health ${attempt}/30: ${health}"
  if [ "$health" = "healthy" ] || [ "$health" = "running" ]; then
    curl -sf "http://127.0.0.1:3100/health" >/dev/null
    echo "Deploy OK"
    exit 0
  fi
  case "$health" in
    unhealthy|exited|dead|missing) exit 1 ;;
  esac
  sleep 2
done

echo "Timed out waiting for healthy container" >&2
exit 1