#!/usr/bin/env bash
# Regenerate a Telegram session string.
# Reads TELEGRAM_API_ID / TELEGRAM_API_HASH from the project .env,
# then runs the generator from the telegram-mcp install.
#
# Usage:
#   bash scripts/regen_telegram_session.sh            # regenerate usulsu (main)
#   bash scripts/regen_telegram_session.sh helper     # regenerate samuishechka
#
# After running, paste the printed session string into the project .env:
#   usulsu  → TELEGRAM_SESSION_STRING=...
#   helper  → TELEGRAM_SESSION_STRING_HELPER=...
set -euo pipefail

ACCOUNT="${1:-}"   # "helper" for samuishechka, empty for usulsu

PROJECT_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
TELEGRAM_DIR="/projects/my-utils/telegram"

if [ ! -f "$PROJECT_ROOT/.env" ]; then
  echo "missing $PROJECT_ROOT/.env" >&2
  exit 1
fi

set -a
. "$PROJECT_ROOT/.env"
set +a

if [ -z "${TELEGRAM_API_ID:-}" ] || [ -z "${TELEGRAM_API_HASH:-}" ]; then
  echo "TELEGRAM_API_ID / TELEGRAM_API_HASH missing in $PROJECT_ROOT/.env" >&2
  exit 1
fi

if [ "$ACCOUNT" = "helper" ]; then
  echo "Regenerating session for samuishechka (helper account)."
  echo "When prompted for label, enter: helper"
else
  echo "Regenerating session for usulsu (main account)."
  echo "When prompted for label, leave empty (press Enter)."
fi
echo ""

cd "$TELEGRAM_DIR"
exec .venv/bin/python session_string_generator.py --qr "$@"