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

DOCKER_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(cd "$DOCKER_DIR/.." && pwd)"
ENV_FILE="${ENV_FILE:-$DOCKER_DIR/.env.multisite}"
REQUEST_CONTAINER="${REQUEST_CONTAINER:-netgescon_prod_app}"
REQUEST_DIR="/var/www/storage/app/support/update-requests"
JOBS_DIR="/var/www/storage/app/support/update-jobs"
LOCK_FILE="${LOCK_FILE:-/tmp/netgescon-daemon-update-runner.lock}"

if [[ ! -f "$ENV_FILE" ]]; then
  echo "Env mancante: $ENV_FILE"
  exit 1
fi

exec 9>"$LOCK_FILE"
if ! flock -n 9; then
  echo "Runner gia attivo: esco senza duplicare il job."
  exit 0
fi

request_path="$(docker exec "$REQUEST_CONTAINER" sh -lc "ls -1 ${REQUEST_DIR}/*.json 2>/dev/null | sort | head -n 1")"
if [[ -z "$request_path" ]]; then
  echo "Nessuna richiesta update in coda."
  exit 0
fi

request_payload="$(docker exec "$REQUEST_CONTAINER" sh -lc "cat '$request_path'")"
job_id="$(php -r '$data=json_decode(stream_get_contents(STDIN), true); echo is_array($data) ? ($data["job_id"] ?? "") : "";' <<< "$request_payload")"

if [[ -z "$job_id" ]]; then
  echo "Richiesta non valida: job_id mancante."
  docker exec "$REQUEST_CONTAINER" rm -f "$request_path" >/dev/null 2>&1 || true
  exit 1
fi

progress_tmp="$(mktemp)"
log_tmp="$(mktemp)"
cleanup() {
  rm -f "$progress_tmp" "$log_tmp"
}
trap cleanup EXIT

write_progress() {
  local percent="$1"
  local message="$2"
  local status="$3"
  local exit_code="${4:-null}"

  cat > "$progress_tmp" <<EOF
{"timestamp":"$(date -Iseconds)","percent":$percent,"message":"$message","status":"$status","exit_code":$exit_code}
EOF

  docker cp "$progress_tmp" "$REQUEST_CONTAINER":"$JOBS_DIR/$job_id.progress.json" >/dev/null
}

write_log() {
  docker cp "$log_tmp" "$REQUEST_CONTAINER":"$JOBS_DIR/$job_id.log" >/dev/null
}

write_progress 10 "Richiesta acquisita dal daemon host" "running"

if ENV_FILE="$ENV_FILE" "$DOCKER_DIR/update-multisite.sh" >"$log_tmp" 2>&1; then
  write_log
  write_progress 100 "Aggiornamento multisito completato dal daemon host" "completed" 0
else
  write_log
  write_progress 100 "Aggiornamento multisito fallito sul daemon host" "failed" 1
fi

docker exec "$REQUEST_CONTAINER" rm -f "$request_path" >/dev/null 2>&1 || true

cat "$log_tmp"