import { describe, test } from 'node:test';
import assert from 'node:assert';
import { GridDataModel } from '../src/ui/components/grid/model.js';

const rows = [
  { id: 1, name: 'Northwind', status: 'open', total: 1200 },
  { id: 2, name: 'Blue Harbor', status: 'review', total: 800 },
  { id: 3, name: 'Summit', status: 'open', total: 2400 },
  { id: 4, name: 'Lattice', status: 'closed', total: 400 }
];

describe('GridDataModel', () => {
  test('queryStructure infers columns from row data', async () => {
    const model = new GridDataModel({ rows });
    const result = await model.queryStructure();

    assert.ok(result.columns.name);
    assert.ok(result.columns.status);
    assert.ok(result.columns.total);
    assert.strictEqual(result.columns.total.align, 'right');
  });

  test('queryRecords filters, sorts, and paginates', async () => {
    const model = new GridDataModel({ rows });
    const result = await model.queryRecords({
      filter_by: { status: 'open' },
      sort_by: [{ field: 'total', direction: 'desc' }],
      offset: 0,
      page_size: 1
    });

    assert.strictEqual(result.total, 2);
    assert.strictEqual(result.rows.length, 1);
    assert.strictEqual(result.rows[0].name, 'Summit');
  });

  test('queryRecords supports text search through search filter', async () => {
    const model = new GridDataModel({ rows });
    const result = await model.queryRecords({
      filter_by: { search: 'harbor' }
    });

    assert.strictEqual(result.total, 1);
    assert.strictEqual(result.rows[0].name, 'Blue Harbor');
  });

  test('queryAggregates supports count and sum metrics', async () => {
    const model = new GridDataModel({ rows });
    const result = await model.queryAggregates({
      metrics: ['count', 'sum:total'],
      filter_by: { status: 'open' }
    });

    assert.strictEqual(result.count, 2);
    assert.strictEqual(result['sum:total'], 3600);
  });
});