#!/usr/bin/env bash
# 生成 docker compose 运行所需的本地机密：RS256 密钥对 + .env（DB 口令、内部令牌）。
# 产物全部被 .gitignore 忽略，绝不入库；重复执行是幂等的（已存在则不覆盖）。
set -euo pipefail
cd "$(dirname "$0")/.."

mkdir -p deploy/keys
if [ ! -f deploy/keys/jwt-private.pem ]; then
  openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out deploy/keys/jwt-private.pem
  echo "已生成 deploy/keys/jwt-private.pem"
fi
openssl pkey -in deploy/keys/jwt-private.pem -pubout -out deploy/keys/jwt-public.pem
echo "已生成 deploy/keys/jwt-public.pem"

if [ ! -f .env ]; then
  {
    echo "PATBOND_DB_PASSWORD=$(openssl rand -hex 16)"
    echo "PATBOND_INTERNAL_TOKEN=$(openssl rand -hex 32)"
  } > .env
  echo "已生成 .env（随机 DB 口令与内部令牌）"
fi

# 容器内以 uid 10001 运行，密钥需可读
chmod 644 deploy/keys/jwt-public.pem deploy/keys/jwt-private.pem
echo "OK：deploy/keys/ 与 .env 就绪（均已被 .gitignore 忽略）"