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

APP_HOST="${HOST:-0.0.0.0}"
APP_PORT="${APP_PORT:-8000}"
APP_ENV_VALUE="${APP_ENV:-s2}"
LOG_DIRECTORY="${LOG_DIR:-/data/webapps/lessie_sourcing_agents/logs}"
TIMESTAMP="$(date +"%Y%m%d_%H%M%S")"
LOGFILE="${LOG_DIRECTORY}/lessie_sourcing_agents_${TIMESTAMP}.log"
LATEST_LINK="${LOG_DIRECTORY}/lessie_sourcing_agents_latest.log"
GUNICORN_WORKERS="${GUNICORN_WORKERS:-8}"
GUNICORN_TIMEOUT="${GUNICORN_TIMEOUT:-300}"
GUNICORN_WORKER_CLASS="${GUNICORN_WORKER_CLASS:-uvicorn.workers.UvicornWorker}"
GUNICORN_MODULE="${GUNICORN_MODULE:-dialogue.app:app}"

mkdir -p "${LOG_DIRECTORY}"
touch "${LOGFILE}"
ln -sf "${LOGFILE}" "${LATEST_LINK}"

echo "Starting gunicorn (${GUNICORN_MODULE}) with APP_ENV=${APP_ENV_VALUE}, logs -> ${LOGFILE}"

exec env APP_ENV="${APP_ENV_VALUE}" \
  gunicorn \
  -w "${GUNICORN_WORKERS}" \
  -k "${GUNICORN_WORKER_CLASS}" \
  -b "${APP_HOST}:${APP_PORT}" \
  --timeout "${GUNICORN_TIMEOUT}" \
  "${GUNICORN_MODULE}" \
  > >(tee -a "${LOGFILE}") \
  2> >(tee -a "${LOGFILE}" >&2)