import { runtime, getTodayDatePrefix, getTodayNoteTitle, normalizeDateWeekdayToChinese } from './openTodayNote';
import { setupDatabaseAndSynchronizer, switchClient } from '@joplin/lib/testing/test-utils';
import Note from '@joplin/lib/models/Note';
import Folder from '@joplin/lib/models/Folder';
import Setting from '@joplin/lib/models/Setting';

describe('openTodayNote', () => {
	beforeEach(async () => {
		await setupDatabaseAndSynchronizer(1);
		await switchClient(1);
	});

	it('formats date prefix and note title correctly in Chinese weekday', () => {
		const fixedDate = new Date(2026, 10, 1, 12, 0, 0); // 2026-11-01 (星期日)
		const prefix = getTodayDatePrefix(fixedDate.getTime());
		expect(prefix).toBe('2026-11-01');

		const titleSunday = getTodayNoteTitle(fixedDate.getTime());
		expect(titleSunday).toBe('2026-11-01 星期日');

		const mondayDate = new Date(2026, 10, 2, 12, 0, 0); // 2026-11-02 (星期一)
		const titleMonday = getTodayNoteTitle(mondayDate.getTime());
		expect(titleMonday).toBe('2026-11-02 星期一');
	});

	it('normalizes English weekdays to Chinese weekdays', () => {
		expect(normalizeDateWeekdayToChinese('2026-11-02 Monday')).toBe('2026-11-02 星期一');
		expect(normalizeDateWeekdayToChinese('# 2026-11-02 Monday\n\n• [ ]')).toBe('# 2026-11-02 星期一\n\n• [ ]');
		expect(normalizeDateWeekdayToChinese('2026-11-03 Tuesday')).toBe('2026-11-03 星期二');
	});

	it('creates a new today note if none exists', async () => {
		const activeFolder = await Folder.save({ title: 'Work' });
		Setting.setValue('activeFolderId', activeFolder.id);

		await runtime().execute(null);

		const prefix = getTodayDatePrefix();
		const notes = await Note.search({ query: prefix });
		expect(notes.length).toBe(1);
		expect(notes[0].title.startsWith(prefix)).toBe(true);
		expect(notes[0].title).toMatch(/星期[一二三四五六日]/);
		expect(notes[0].body).toContain(`- [ ] `);
	});

	it('reuses existing today note and migrates English weekday to Chinese weekday', async () => {
		const activeFolder = await Folder.save({ title: 'Work' });
		Setting.setValue('activeFolderId', activeFolder.id);

		const todayPrefix = getTodayDatePrefix();
		const existing = await Note.save({
			title: `${todayPrefix} Monday`,
			body: `# ${todayPrefix} Monday\n\n• [ ] 备忘录`,
			parent_id: activeFolder.id,
		});

		await runtime().execute(null);

		const loaded = await Note.load(existing.id);
		expect(loaded.id).toBe(existing.id);
		expect(loaded.title).toMatch(/星期[一二三四五六日]/);
		expect(loaded.title).not.toContain('Monday');
		expect(loaded.body).toMatch(/星期[一二三四五六日]/);
		expect(loaded.body).not.toContain('Monday');
	});
});