import { requireAdmin } from "#server/utils/admin-guard";
import { setGlobalConfigValue } from "#server/service/config";
import { delCache } from "#server/utils/context";

interface EmailConfigBody {
  host?: string;
  port?: number;
  user?: string;
  pass?: string;
  from?: string;
  secure?: boolean;
}

export default defineWrappedResponseHandler(async (event) => {
  await requireAdmin(event);
  const body = await readBody<EmailConfigBody>(event);

  const updates: Promise<void>[] = [];

  if (body.host !== undefined) {
    updates.push(setGlobalConfigValue("smtpHost", body.host));
  }
  if (body.port !== undefined) {
    updates.push(setGlobalConfigValue("smtpPort", body.port));
  }
  if (body.user !== undefined) {
    updates.push(setGlobalConfigValue("smtpUser", body.user));
  }
  if (body.pass !== undefined && body.pass !== "") {
    // Only update password if a new non-empty value is provided
    updates.push(setGlobalConfigValue("smtpPass", body.pass));
  }
  if (body.from !== undefined) {
    updates.push(setGlobalConfigValue("smtpFrom", body.from));
  }
  if (body.secure !== undefined) {
    updates.push(setGlobalConfigValue("smtpSecure", body.secure));
  }

  await Promise.all(updates);

  // Invalidate config caches
  await delCache("config:global:public");
  await delCache("config:global:admin");

  return R.success({ message: "邮件配置已保存" });
});