import { ErrorCode } from '@lingxi/shared';
import { describe, expect, it } from 'vitest';
import { z } from 'zod';

import { AppException } from '../errors/app-exception';
import { ZodValidationPipe } from './zod-validation.pipe';

const schema = z.object({
  name: z.string().min(2),
  limit: z.coerce.number().int().min(1).max(100).default(20),
});

describe('ZodValidationPipe', () => {
  it('通过校验并返回转换后的值', () => {
    const pipe = new ZodValidationPipe(schema);
    expect(pipe.transform({ name: '素材', limit: '30' })).toEqual({ name: '素材', limit: 30 });
  });

  it('缺省值生效', () => {
    const pipe = new ZodValidationPipe(schema);
    expect(pipe.transform({ name: '素材' })).toEqual({ name: '素材', limit: 20 });
  });

  it('校验失败抛 40001，details 带字段错误', () => {
    const pipe = new ZodValidationPipe(schema);
    try {
      pipe.transform({ name: 'x' });
      throw new Error('应当抛错');
    } catch (error) {
      expect(error).toBeInstanceOf(AppException);
      const appError = error instanceof AppException ? error : null;
      expect(appError?.code).toBe(ErrorCode.PARAM_INVALID);
      expect(appError?.status).toBe(400);
      expect(appError?.details).toMatchObject({
        issues: [{ path: 'name' }],
      });
    }
  });
});