import { describe, expect, it } from 'vitest';

import { jsonBodyParser } from './bodyParser.js';
import { validate } from './validation.js';

import { agentFromMiddleware } from '#src/testing/server.js';
import {
  IdDescriptionSchema,
  chance,
  mockIdDescription,
} from '#src/testing/types.js';

const agent = agentFromMiddleware(jsonBodyParser, (ctx) => {
  const result = validate({
    ctx,
    input: ctx.request.body,
    schema: IdDescriptionSchema,
  });

  ctx.body = result;
});

describe('validate', () => {
  it('permits valid input', () => {
    const idDescription = mockIdDescription();

    return agent.post('/').send(idDescription).expect(200, idDescription);
  });

  it('filters additional properties', () => {
    const idDescription = mockIdDescription();

    return agent
      .post('/')
      .send({ ...idDescription, hacker: chance.name() })
      .expect(200, idDescription);
  });

  it('blocks mistyped prop', () => {
    const idDescription = mockIdDescription();

    return agent
      .post('/')
      .send({ ...idDescription, id: null })
      .expect(422)
      .expect(({ body }) =>
        expect(body).toMatchInlineSnapshot(`
          {
            "invalidFields": {
              "~union0/id": "Invalid input: expected string, received null",
              "~union1/id": "Invalid input: expected number, received null",
              "~union1/summary": "Invalid input: expected string, received undefined",
            },
            "message": "Input validation failed",
          }
        `),
      );
  });

  it('blocks missing props', () =>
    agent
      .post('/')
      .send({})
      .expect(422)
      .expect(({ body }) =>
        expect(body).toMatchInlineSnapshot(`
          {
            "invalidFields": {
              "~union0/description~union0": "Invalid input: expected string, received undefined",
              "~union0/description~union1": "Invalid input: expected object, received undefined",
              "~union0/id": "Invalid input: expected string, received undefined",
              "~union1/id": "Invalid input: expected number, received undefined",
              "~union1/summary": "Invalid input: expected string, received undefined",
            },
            "message": "Input validation failed",
          }
        `),
      ));

  it('blocks invalid nested union prop', () => {
    const idDescription = {
      ...mockIdDescription(),
      description: {
        fontSize: chance.integer(),
      },
    };

    return agent
      .post('/')
      .send({ ...idDescription, id: null })
      .expect(422)
      .expect(({ body }) =>
        expect(body).toMatchInlineSnapshot(`
          {
            "invalidFields": {
              "~union0/description~union0": "Invalid input: expected string, received object",
              "~union0/description~union1/content": "Invalid input: expected string, received undefined",
              "~union0/id": "Invalid input: expected string, received null",
              "~union1/id": "Invalid input: expected number, received null",
              "~union1/summary": "Invalid input: expected string, received undefined",
            },
            "message": "Input validation failed",
          }
        `),
      );
  });
});