only-bible-app v3.7.2+24

import "dart:convert";

import "package:flutter/material.dart";
import "package:flutter_test/flutter_test.dart";
import "package:only_bible_app/store/actions_backup.dart";
import "package:only_bible_app/store/app_state.dart";

import "app_logic_test.dart" show buildTestBible;

void main() {
  group("buildBackupFileName", () {
    test("formats a zero-padded date", () {
      expect(
        buildBackupFileName(DateTime.utc(2026, 3, 5)),
        "only_bible_app_backup_2026-03-05.json",
      );
    });
  });

  group("buildBackupJson / parseBackupState", () {
    test("round-trips highlights and settings through export and import", () async {
      final bible = buildTestBible();
      final state = AppState(
        bible: bible,
        themeMode: ThemeMode.dark,
        fontSize: 22,
        highlights: {"0:0:0": 2},
        highlightHistory: [
          HighlightHistoryEntry(book: 0, chapter: 0, verseIndex: 0, colorIndex: 2, timestamp: DateTime.utc(2026, 1, 1)),
        ],
      );

      final jsonString = buildBackupJson(state);
      final restored = await parseBackupState(jsonString, loadBibleFn: (_) async => bible);

      expect(restored.themeMode, ThemeMode.dark);
      expect(restored.fontSize, 22);
      expect(restored.highlights["0:0:0"], 2);
      expect(restored.highlightHistory.single.colorIndex, 2);
    });

    test("rejects malformed JSON", () async {
      expect(
        () => parseBackupState("not json", loadBibleFn: (_) async => buildTestBible()),
        throwsA(isA<BackupParseException>()),
      );
    });

    test("rejects valid JSON that isn't an object", () async {
      expect(
        () => parseBackupState(jsonEncode([1, 2, 3]), loadBibleFn: (_) async => buildTestBible()),
        throwsA(isA<BackupParseException>()),
      );
    });

    test("rejects a bibleName the app can't load", () async {
      expect(
        () => parseBackupState(
          jsonEncode({"bibleName": "does_not_exist"}),
          loadBibleFn: (_) async => throw Exception("no such asset"),
        ),
        throwsA(isA<BackupParseException>()),
      );
    });
  });
}