#!/bin/sh

# Only emit whitelisted locale tags to avoid config.js injection from env values.
RUNTIME_DEFAULT_LOCALE=""
case "${DEFAULT_LOCALE:-}" in
  zh-CN|en-US|ru-RU|ko-KR) RUNTIME_DEFAULT_LOCALE="${DEFAULT_LOCALE}" ;;
esac

# 生成运行时配置文件，注入环境变量到前端
cat > /usr/share/nginx/html/config.js << EOF
window.__RUNTIME_CONFIG__ = {
  MAX_FILE_SIZE_MB: ${MAX_FILE_SIZE_MB:-50},
  DEFAULT_LOCALE: "${RUNTIME_DEFAULT_LOCALE}"
};
EOF

# 处理 nginx 配置
export MAX_FILE_SIZE=${MAX_FILE_SIZE_MB}M
export APP_HOST=${APP_HOST:-app}
export APP_PORT=${APP_PORT:-8080}
export APP_SCHEME=${APP_SCHEME:-http}
envsubst '${MAX_FILE_SIZE} ${APP_HOST} ${APP_PORT} ${APP_SCHEME}' < /etc/nginx/templates/default.conf.template > /etc/nginx/conf.d/default.conf

# 启动 nginx
exec nginx -g 'daemon off;'