nex/frontend/src/hooks/useModels.ts

import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { MessagePlugin } from 'tdesign-react';
import type { CreateModelInput, UpdateModelInput, ApiError } from '@/types';
import * as api from '@/api/models';

const ERROR_MESSAGES: Record<string, string> = {
  duplicate_model: '同一供应商下模型名称已存在',
  invalid_provider_id: '供应商 ID 仅允许字母、数字、下划线，长度 1-64',
  immutable_field: '供应商 ID 不允许修改',
  provider_not_found: '供应商不存在',
};

function getErrorMessage(error: ApiError): string {
  return error.code ? ERROR_MESSAGES[error.code] || error.message : error.message;
}

export const modelKeys = {
  all: ['models'] as const,
  filtered: (providerId?: string) => ['models', providerId] as const,
};

export function useModels(providerId?: string) {
  return useQuery({
    queryKey: modelKeys.filtered(providerId),
    queryFn: () => api.listModels(providerId),
  });
}

export function useCreateModel() {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: (input: CreateModelInput) => api.createModel(input),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: modelKeys.all });
      MessagePlugin.success('模型创建成功');
    },
    onError: (error: ApiError) => {
      MessagePlugin.error(getErrorMessage(error));
    },
  });
}

export function useUpdateModel() {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: ({ id, input }: { id: string; input: UpdateModelInput }) =>
      api.updateModel(id, input),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: modelKeys.all });
      MessagePlugin.success('模型更新成功');
    },
    onError: (error: ApiError) => {
      MessagePlugin.error(getErrorMessage(error));
    },
  });
}

export function useDeleteModel() {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: (id: string) => api.deleteModel(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: modelKeys.all });
      MessagePlugin.success('模型删除成功');
    },
    onError: (error: Error) => {
      MessagePlugin.error(error.message);
    },
  });
}