import { describe, it, expect } from 'vitest';
import { extractFormData } from './extractFormData';
import * as v from 'valibot';

describe('extractFormData', () => {
	it('should successfully extract and validate correct form data', async () => {
		const formData = new FormData();
		formData.append('name', 'John Doe');
		formData.append('age', '30');

		const request = new Request('http://localhost', {
			method: 'POST',
			body: formData
		});

		const schema = v.object({
			name: v.string(),
			age: v.string()
		});

		const result = await extractFormData(request, schema);

		expect(result.error).toBeNull();
		expect(result.data).toEqual({ name: 'John Doe', age: '30' });
	});

	it('should fail validation with missing required fields', async () => {
		const formData = new FormData();
		formData.append('age', '30');

		const request = new Request('http://localhost', {
			method: 'POST',
			body: formData
		});

		const schema = v.object({
			name: v.string(),
			age: v.string()
		});

		const result = await extractFormData(request, schema);

		expect(result.data).toBeUndefined();
		expect(result.error).toBeTypeOf('string');
	});
});