import { defineWrappedResponseHandler } from "#server/utils/handler";
import { R } from "#server/utils/response";
import { resolveCharacterIdentity } from "#server/service/character/identity";
import { getCharacterSessionByIdAndUser, updateCharacterSession } from "#server/service/character/session";
import { getCharacterCardBySlug } from "#server/service/character/character-card";

export default defineWrappedResponseHandler(async (event) => {
  const slug = getRouterParam(event, "slug");
  const id = getRouterParam(event, "id");
  if (!slug || !id) {
    return R.error("参数无效", null);
  }
  const card = await getCharacterCardBySlug(slug);
  if (!card) {
    return R.error("角色不存在", null);
  }

  const identity = await resolveCharacterIdentity(event);
  const session = await getCharacterSessionByIdAndUser(id, identity.userId, identity.tempToken);
  if (!session) {
    return R.error("会话不存在", null);
  }
  if (session.cardId !== card.id) {
    return R.error("会话不属于该角色", null);
  }

  const body = await readBody(event).catch(() => ({}));
  const modelId =
    typeof body?.modelId === "number" && body.modelId > 0 ? body.modelId : null;

  await updateCharacterSession(id, { modelId });
  return R.success({ id, modelId });
});