import 'dart:convert';
import 'dart:io';

import 'package:myinfomate_layout/myinfomate_layout.dart';
import 'package:test/test.dart';

void main() {
  final fixturePath =
      '${Directory.current.path}/test/fixtures/bento_layout_cases.json';
  final fixture =
      jsonDecode(File(fixturePath).readAsStringSync()) as Map<String, dynamic>;
  final cases = fixture['cases'] as List<dynamic>;

  for (final rawCase in cases) {
    final testCase = rawCase as Map<String, dynamic>;
    test(testCase['name'], () {
      final items = (testCase['items'] as List<dynamic>)
          .map((raw) => BentoItem(
                id: raw['id'] as String,
                colSpan: raw['colSpan'] as int,
                rowSpan: raw['rowSpan'] as int,
              ))
          .toList();

      final result = bentoLayout(items, testCase['columns'] as int);
      final expected = testCase['expected'] as Map<String, dynamic>;

      expect(result.rowCount, expected['rowCount']);

      final expectedPlacements = expected['placements'] as List<dynamic>;
      expect(result.placements.length, expectedPlacements.length);

      for (var i = 0; i < result.placements.length; i++) {
        final p = result.placements[i];
        final e = expectedPlacements[i] as Map<String, dynamic>;
        expect(p.id, e['id']);
        expect(p.col, e['col']);
        expect(p.row, e['row']);
        expect(p.colSpan, e['colSpan']);
        expect(p.rowSpan, e['rowSpan']);
      }
    });
  }
}