#!/usr/bin/env bash
# Rilascio produzione con downtime minimo e pagina di cortesia durante il restart Rails.
#
# Uso dalla macchina di sviluppo (sync + deploy remoto):
#   bash scripts/deploy/release_production.sh
#
# Solo sul server (dopo sync manuale):
#   bash scripts/deploy/release_production.sh --local
#
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
SERVER="${DEPLOY_SERVER:-eminux@192.168.1.146}"
REMOTE_INFRA="${DEPLOY_PATH:-/opt/matchlivetv}/infra"
LOCAL_INFRA="${ROOT}/infra"
COMPOSE_FILE="${COMPOSE_FILE:-docker-compose.prod.yml}"
WAIT_SECS="${RELEASE_WAIT_SECS:-180}"
LOCAL_ONLY=false

for arg in "$@"; do
  case "$arg" in
    --local) LOCAL_ONLY=true ;;
  esac
done

if [ "$LOCAL_ONLY" = false ]; then
  bash "${ROOT}/scripts/deploy/sync_to_server.sh"
  ssh "$SERVER" "bash ${REMOTE_INFRA%/infra}/scripts/deploy/release_production.sh --local"
  exit 0
fi

INFRA="${MATCHLIVETV_INFRA:-$LOCAL_INFRA}"
if [ -d "/opt/matchlivetv/infra" ]; then
  INFRA="/opt/matchlivetv/infra"
fi

ENV_FILE="${ENV_FILE:-${INFRA}/.env}"

compose() {
  docker compose -f "$COMPOSE_FILE" --env-file "$ENV_FILE" "$@"
}

wait_for_rails() {
  local i=0
  local max=$((WAIT_SECS / 2))
  echo "Attendo Rails (max ${WAIT_SECS}s)..."
  while [ "$i" -lt "$max" ]; do
    if compose exec -T rails curl -sf http://127.0.0.1:3000/up >/dev/null 2>&1; then
      echo "Rails pronto."
      return 0
    fi
    sleep 2
    i=$((i + 1))
  done
  echo "ERRORE: Rails non healthy entro ${WAIT_SECS}s"
  compose ps
  return 1
}

cd "$INFRA"

echo "==> Build immagini (senza fermare i servizi)"
compose build rails sidekiq

echo "==> Migrazioni DB"
if compose ps --status running rails 2>/dev/null | grep -q rails; then
  compose exec -T rails bundle exec rails db:migrate
else
  compose run --rm --no-deps rails bundle exec rails db:prepare
fi

echo "==> Proxy edge (pagina di cortesia su :3000)"
compose up -d edge

echo "==> Deploy Rails"
compose up -d --no-deps --build rails
wait_for_rails

echo "==> Deploy Sidekiq"
compose up -d --no-deps --build sidekiq

echo "==> Cron"
bash scripts/install_production_cron.sh

if command -v curl >/dev/null 2>&1; then
  if curl -sf http://127.0.0.1:3000/up >/dev/null 2>&1; then
    echo "Smoke test /up via edge: OK"
  else
    echo "ATTENZIONE: /up non risponde via edge"
  fi
fi

echo "Rilascio completato."