import { describe, it, expect } from 'bun:test';
import { extractSchema } from '../src/engine/schema';
import type { Template } from '../src/types/template';

describe('Schema Extractor', () => {
  it('should extract simple variables', () => {
    const template: Template = {
      id: 'test',
      name: 'Test',
      width: '80mm',
      blocks: [
        { type: 'text', content: 'Hello {{name}}' },
        { type: 'text', content: 'Date: {{date}}' }
      ]
    };
    
    const { schema } = extractSchema(template);
    expect(schema.properties.name).toEqual({ type: 'string', description: 'name' });
    expect(schema.properties.date).toEqual({ type: 'string', description: 'date' });
  });

  it('should extract list variables', () => {
    const template: Template = {
      id: 'test',
      name: 'Test',
      width: '80mm',
      blocks: [
        {
          type: 'list',
          data: '{{items}}',
          itemTemplate: [
            { type: 'text', content: '{{title}}' }
          ]
        }
      ]
    };
    
    const { schema } = extractSchema(template);
    expect(schema.properties.items).toEqual({ type: 'array', description: 'items list' });
    expect(schema.properties.title).toEqual({ type: 'string', description: 'title' });
  });

  it('should generate example data', () => {
    const template: Template = {
      id: 'test',
      name: 'Test',
      width: '80mm',
      blocks: [
        { type: 'text', content: '{{name}} - {{count}}' }
      ]
    };
    
    const { example } = extractSchema(template);
    expect(example).toHaveProperty('name');
    expect(example).toHaveProperty('count');
  });
});