#!/usr/bin/env bash
# Uvicorn launcher: SAC_UVICORN_WORKERS из sac-api.env (без systemd EnvironmentFile).
set -euo pipefail

APP_ROOT="${SAC_APP_ROOT:-/opt/security-alert-center}"
CONFIG_FILE="${SAC_CONFIG_FILE:-${APP_ROOT}/config/sac-api.env}"
VENV="${APP_ROOT}/backend/.venv"
HOST="127.0.0.1"
PORT="8000"
WORKERS=4

_read_env_int() {
	local key="$1" default="$2" line val
	[ -f "$CONFIG_FILE" ] || {
		printf '%s\n' "$default"
		return 0
	}
	line="$(grep -E "^[[:space:]]*${key}=" "$CONFIG_FILE" 2>/dev/null | tail -1)" || {
		printf '%s\n' "$default"
		return 0
	}
	val="${line#*=}"
	val="${val#"${val%%[![:space:]]*}"}"
	val="${val%"${val##*[![:space:]]}"}"
	val="${val#\"}"
	val="${val%\"}"
	val="${val#\'}"
	val="${val%\'}"
	if [[ "$val" =~ ^[0-9]+$ ]] && [ "$val" -ge 1 ]; then
		printf '%s\n' "$val"
	else
		printf '%s\n' "$default"
	fi
}

WORKERS="$(_read_env_int SAC_UVICORN_WORKERS 4)"

exec "${VENV}/bin/uvicorn" app.main:app \
	--host "$HOST" \
	--port "$PORT" \
	--workers "$WORKERS" \
	--timeout-graceful-shutdown 30