import Setting from './Setting';
import BaseModel from '../BaseModel';
import shim from '../shim';
import markdownUtils from '../markdownUtils';
import { sortedIds, createNTestNotes, expectThrow, setupDatabaseAndSynchronizer, switchClient, checkThrowAsync, supportDir, expectNotThrow, simulateReadOnlyShareEnv, msleep, db } from '../testing/test-utils';
import Folder from './Folder';
import Note from './Note';
import Tag from './Tag';
import ItemChange from './ItemChange';
import Resource from './Resource';
import { ResourceEntity } from '../services/database/types';
import { toForwardSlashes } from '../path-utils';
import * as ArrayUtils from '../ArrayUtils';
import { ErrorCode } from '../errors';
import SearchEngine from '../services/search/SearchEngine';
import { getTrashFolderId } from '../services/trash';
import getConflictFolderId from './utils/getConflictFolderId';
import Revision from './Revision';
import RevisionService from '../services/RevisionService';

async function allItems() {
	const folders = await Folder.all();
	const notes = await Note.all();
	return folders.concat(notes);
}

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

	it('should find resource and note IDs', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		let note2 = await Note.save({ title: 'ma deuxième note', body: `Lien vers première note : ${Note.markdownTag(note1)}`, parent_id: folder1.id });

		let items = await Note.linkedItems(note2.body);
		expect(items.length).toBe(1);
		expect(items[0].id).toBe(note1.id);

		await shim.attachFileToNote(note2, `${supportDir}/photo.jpg`);
		note2 = await Note.load(note2.id);
		items = await Note.linkedItems(note2.body);
		expect(items.length).toBe(2);
		expect(items[0].type_).toBe(BaseModel.TYPE_NOTE);
		expect(items[1].type_).toBe(BaseModel.TYPE_RESOURCE);

		const resource2 = await shim.createResourceFromPath(`${supportDir}/photo.jpg`);
		const resource3 = await shim.createResourceFromPath(`${supportDir}/photo.jpg`);
		note2.body += `<img alt="bla" src=":/${resource2.id}"/>`;
		note2.body += `<img src=':/${resource3.id}' />`;
		items = await Note.linkedItems(note2.body);
		expect(items.length).toBe(4);
	}));

	it('should find linked items', (async () => {
		const testCases = [
			['[](:/06894e83b8f84d3d8cbe0f1587f9e226)', ['06894e83b8f84d3d8cbe0f1587f9e226']],
			['[](:/06894e83b8f84d3d8cbe0f1587f9e226) [](:/06894e83b8f84d3d8cbe0f1587f9e226)', ['06894e83b8f84d3d8cbe0f1587f9e226']],
			['[](:/06894e83b8f84d3d8cbe0f1587f9e226) [](:/06894e83b8f84d3d8cbe0f1587f9e227)', ['06894e83b8f84d3d8cbe0f1587f9e226', '06894e83b8f84d3d8cbe0f1587f9e227']],
			['[](:/06894e83b8f84d3d8cbe0f1587f9e226 "some title")', ['06894e83b8f84d3d8cbe0f1587f9e226']],
		];

		for (let i = 0; i < testCases.length; i++) {
			const t = testCases[i];

			const input = t[0] as string;
			const expected = t[1] as string[];
			const actual = Note.linkedItemIds(input) as string[];
			const contentEquals = ArrayUtils.contentEquals(actual, expected);

			// console.info(contentEquals, input, expected, actual);

			expect(contentEquals).toBe(true);
		}
	}));

	it('should change the type of notes', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		let note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		note1 = await Note.load(note1.id);

		let changedNote = Note.changeNoteType(note1, 'todo');
		expect(changedNote === note1).toBe(false);
		expect(!!changedNote.is_todo).toBe(true);
		await Note.save(changedNote);

		note1 = await Note.load(note1.id);
		changedNote = Note.changeNoteType(note1, 'todo');
		expect(changedNote === note1).toBe(true);
		expect(!!changedNote.is_todo).toBe(true);

		note1 = await Note.load(note1.id);
		changedNote = Note.changeNoteType(note1, 'note');
		expect(changedNote === note1).toBe(false);
		expect(!!changedNote.is_todo).toBe(false);
	}));

	it('should serialize and unserialize without modifying data', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const testCases = [
			[{ title: '', body: 'Body and no title\nSecond line\nThird Line', parent_id: folder1.id },
				'', 'Body and no title\nSecond line\nThird Line'],
			[{ title: 'Note title', body: 'Body and title', parent_id: folder1.id },
				'Note title', 'Body and title'],
			[{ title: 'Title and no body', body: '', parent_id: folder1.id },
				'Title and no body', ''],
		];

		for (let i = 0; i < testCases.length; i++) {
			const t = testCases[i];

			// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Old code before rule was applied
			const input: any = t[0];

			const note1 = await Note.save(input);
			const serialized = await Note.serialize(note1);
			const unserialized = await Note.unserialize(serialized);

			expect(unserialized.title).toBe(input.title);
			expect(unserialized.body).toBe(input.body);
		}
	}));

	it('should reset fields for a duplicate', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'note', parent_id: folder1.id });

		await msleep(1);

		const duplicatedNote = await Note.duplicate(note1.id);

		expect(duplicatedNote !== note1).toBe(true);
		expect(duplicatedNote.created_time !== note1.created_time).toBe(true);
		expect(duplicatedNote.updated_time !== note1.updated_time).toBe(true);
		expect(duplicatedNote.user_created_time !== note1.user_created_time).toBe(true);
		expect(duplicatedNote.user_updated_time !== note1.user_updated_time).toBe(true);
	}));

	it('should duplicate a note with tags', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const tag1 = await Tag.save({ title: 'tag1' });
		const tag2 = await Tag.save({ title: 'tag2' });
		const originalNote = await Note.save({ title: 'originalNote', parent_id: folder1.id });
		await Tag.addNote(tag1.id, originalNote.id);
		await Tag.addNote(tag2.id, originalNote.id);

		const duplicatedNote = await Note.duplicate(originalNote.id);
		const duplicatedNoteTags = await Tag.tagsByNoteId(duplicatedNote.id);

		expect(duplicatedNoteTags.find(o => o.id === tag1.id)).toBeDefined();
		expect(duplicatedNoteTags.find(o => o.id === tag2.id)).toBeDefined();
		expect(duplicatedNoteTags.length).toBe(2);
	}));

	it('should also duplicate resources when duplicating a note', (async () => {
		const folder = await Folder.save({ title: 'folder' });
		let note = await Note.save({ title: 'note', parent_id: folder.id });
		await shim.attachFileToNote(note, `${supportDir}/photo.jpg`);

		const resource = (await Resource.all())[0];
		expect((await Resource.all()).length).toBe(1);

		const duplicatedNote = await Note.duplicate(note.id, { duplicateResources: true });

		const resources: ResourceEntity[] = await Resource.all();
		expect(resources.length).toBe(2);

		const duplicatedResource = resources.find(r => r.id !== resource.id);

		note = await Note.load(note.id);

		expect(note.body).toContain(resource.id);
		expect(duplicatedNote.body).toContain(duplicatedResource.id);
		expect(duplicatedResource.share_id).toBe('');
		expect(duplicatedResource.is_shared).toBe(0);
	}));

	it('should delete a set of notes', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const noOfNotes = 20;
		await createNTestNotes(noOfNotes, folder1);

		const noteIds = await Folder.noteIds(folder1.id);
		await Note.batchDelete(noteIds);

		const all = await allItems();
		expect(all.length).toBe(1);
		expect(all[0].id).toBe(folder1.id);
	}));

	it('should delete only the selected notes', (async () => {
		const f1 = await Folder.save({ title: 'folder1' });
		const f2 = await Folder.save({ title: 'folder2', parent_id: f1.id });

		const noOfNotes = 20;
		await createNTestNotes(noOfNotes, f1, null, 'note1');
		await createNTestNotes(noOfNotes, f2, null, 'note1');

		const allBeforeDelete = await allItems();

		const notesInFolder1IDs = await Folder.noteIds(f1.id);
		const notesInFolder2IDs = await Folder.noteIds(f2.id);

		const notesToRemoveFromFolder1 = notesInFolder1IDs.slice(0, 6);
		const notesToRemoveFromFolder2 = notesInFolder2IDs.slice(11, 14);

		await Note.batchDelete(notesToRemoveFromFolder1);
		await Note.batchDelete(notesToRemoveFromFolder2);

		const allAfterDelete = await allItems();

		const expectedLength = allBeforeDelete.length - notesToRemoveFromFolder1.length - notesToRemoveFromFolder2.length;
		expect(allAfterDelete.length).toBe(expectedLength);

		// Common elements between the to-be-deleted notes and the notes and folders remaining after the delete
		const intersection = [...notesToRemoveFromFolder1, ...notesToRemoveFromFolder2].filter(x => allAfterDelete.includes(x));
		// Should be empty
		expect(intersection.length).toBe(0);
	}));

	it('should delete nothing', (async () => {
		const f1 = await Folder.save({ title: 'folder1' });
		const f2 = await Folder.save({ title: 'folder2', parent_id: f1.id });
		const f3 = await Folder.save({ title: 'folder3', parent_id: f2.id });
		const f4 = await Folder.save({ title: 'folder4', parent_id: f1.id });

		const noOfNotes = 20;
		await createNTestNotes(noOfNotes, f1, null, 'note1');
		await createNTestNotes(noOfNotes, f2, null, 'note2');
		await createNTestNotes(noOfNotes, f3, null, 'note3');
		await createNTestNotes(noOfNotes, f4, null, 'note4');

		const beforeDelete = await allItems();
		await Note.batchDelete([]);
		const afterDelete = await allItems();

		expect(sortedIds(afterDelete)).toEqual(sortedIds(beforeDelete));
	}));

	it('should not move to conflict folder', (async () => {
		const folder1 = await Folder.save({ title: 'Folder' });
		const folder2 = await Folder.save({ title: Folder.conflictFolderTitle(), id: Folder.conflictFolderId() });
		const note1 = await Note.save({ title: 'note', parent_id: folder1.id });

		const hasThrown = await checkThrowAsync(async () => await Folder.moveToFolder(note1.id, folder2.id));
		expect(hasThrown).toBe(true);

		const note = await Note.load(note1.id);
		expect(note.parent_id).toEqual(folder1.id);
	}));

	it('should not copy to conflict folder', (async () => {
		const folder1 = await Folder.save({ title: 'Folder' });
		const folder2 = await Folder.save({ title: Folder.conflictFolderTitle(), id: Folder.conflictFolderId() });
		const note1 = await Note.save({ title: 'note', parent_id: folder1.id });

		const hasThrown = await checkThrowAsync(async () => await Note.copyToFolder(note1.id, folder2.id));
		expect(hasThrown).toBe(true);
	}));

	it('should convert resource paths from internal to external paths', (async () => {
		const resourceDirName = Setting.value('resourceDirName');
		const resourceDir = Setting.value('resourceDir');
		const r1 = await shim.createResourceFromPath(`${supportDir}/photo.jpg`);
		const r2 = await shim.createResourceFromPath(`${supportDir}/photo.jpg`);
		const r3 = await shim.createResourceFromPath(`${supportDir}/welcome.pdf`);
		const note1 = await Note.save({ title: 'note1' });
		const t1 = r1.updated_time;
		const t2 = r2.updated_time;

		const resourceDirE = markdownUtils.escapeLinkUrl(toForwardSlashes(resourceDir));
		const fileProtocol = `file://${process.platform === 'win32' ? '/' : ''}`;

		const testCases = [
			[
				false,
				'',
				'',
			],
			[
				true,
				'',
				'',
			],
			[
				false,
				`![](:/${r1.id})`,
				`![](${resourceDirName}/${r1.id}.jpg)`,
			],
			[
				false,
				`![](:/${r1.id}) ![](:/${r1.id}) ![](:/${r2.id})`,
				`![](${resourceDirName}/${r1.id}.jpg) ![](${resourceDirName}/${r1.id}.jpg) ![](${resourceDirName}/${r2.id}.jpg)`,
			],
			[
				true,
				`![](:/${r1.id})`,
				`![](${fileProtocol}${resourceDirE}/${r1.id}.jpg?t=${t1})`,
			],
			[
				true,
				`![](:/${r1.id}) ![](:/${r1.id}) ![](:/${r2.id})`,
				`![](${fileProtocol}${resourceDirE}/${r1.id}.jpg?t=${t1}) ![](${fileProtocol}${resourceDirE}/${r1.id}.jpg?t=${t1}) ![](${fileProtocol}${resourceDirE}/${r2.id}.jpg?t=${t2})`,
			],
			[
				true,
				`![](:/${r3.id})`,
				`![](${fileProtocol}${resourceDirE}/${r3.id}.pdf)`,
			],
		];

		for (const testCase of testCases) {
			const [useAbsolutePaths, input, expected] = testCase;
			const internalToExternal = await Note.replaceResourceInternalToExternalLinks(input as string, { useAbsolutePaths });
			expect(internalToExternal).toBe(expected);

			const externalToInternal = await Note.replaceResourceExternalToInternalLinks(internalToExternal, { useAbsolutePaths });
			expect(externalToInternal).toBe(input);
		}

		{
			const result = await Note.replaceResourceExternalToInternalLinks(`[](joplin://${note1.id})`);
			expect(result).toBe(`[](:/${note1.id})`);
		}

		{
			// This is a regular file path that contains the resourceDirName
			// inside but it shouldn't be changed.
			//
			// https://github.com/laurent22/joplin/issues/5034
			const noChangeInput = `[docs](file:///c:/foo/${resourceDirName}/docs)`;
			const result = await Note.replaceResourceExternalToInternalLinks(noChangeInput, { useAbsolutePaths: false });
			expect(result).toBe(noChangeInput);
		}
	}));

	it('should perform natural sorting', (async () => {
		const folder1 = await Folder.save({});

		const sortedNotes = await Note.previews(folder1.id, {
			fields: ['id', 'title'],
			order: [{ by: 'title', dir: 'ASC' }],
		});
		expect(sortedNotes.length).toBe(0);

		const note0 = await Note.save({ title: 'A3', parent_id: folder1.id, is_todo: 0 });
		const note1 = await Note.save({ title: 'A20', parent_id: folder1.id, is_todo: 0 });
		const note2 = await Note.save({ title: 'A100', parent_id: folder1.id, is_todo: 0 });
		const note3 = await Note.save({ title: 'égalité', parent_id: folder1.id, is_todo: 0 });
		const note4 = await Note.save({ title: 'z', parent_id: folder1.id, is_todo: 0 });

		const sortedNotes2 = await Note.previews(folder1.id, {
			fields: ['id', 'title'],
			order: [{ by: 'title', dir: 'ASC' }],
		});
		expect(sortedNotes2.length).toBe(5);
		expect(sortedNotes2[0].id).toBe(note0.id);
		expect(sortedNotes2[1].id).toBe(note1.id);
		expect(sortedNotes2[2].id).toBe(note2.id);
		expect(sortedNotes2[3].id).toBe(note3.id);
		expect(sortedNotes2[4].id).toBe(note4.id);

		const todo3 = Note.changeNoteType(note3, 'todo');
		const todo4 = Note.changeNoteType(note4, 'todo');
		await Note.save(todo3);
		await Note.save(todo4);

		const sortedNotes3 = await Note.previews(folder1.id, {
			fields: ['id', 'title'],
			order: [{ by: 'title', dir: 'ASC' }],
			uncompletedTodosOnTop: true,
		});
		expect(sortedNotes3.length).toBe(5);
		expect(sortedNotes3[0].id).toBe(note3.id);
		expect(sortedNotes3[1].id).toBe(note4.id);
		expect(sortedNotes3[2].id).toBe(note0.id);
		expect(sortedNotes3[3].id).toBe(note1.id);
		expect(sortedNotes3[4].id).toBe(note2.id);
	}));

	it('should create a conflict note', async () => {
		const folder = await Folder.save({ title: 'Source Folder' });
		const origNote = await Note.save({ title: 'note', parent_id: folder.id, share_id: 'SHARE', is_shared: 1 });
		const conflictedNote = await Note.createConflictNote(origNote, ItemChange.SOURCE_SYNC);

		expect(conflictedNote.is_conflict).toBe(1);
		expect(conflictedNote.conflict_original_id).toBe(origNote.id);
		expect(conflictedNote.parent_id).toBe(folder.id);
		expect(conflictedNote.is_shared).toBeUndefined();
		expect(conflictedNote.share_id).toBe('');
	});

	it('should copy conflicted note to target folder and cancel conflict', (async () => {
		const srcfolder = await Folder.save({ title: 'Source Folder' });
		const targetfolder = await Folder.save({ title: 'Target Folder' });

		const note1 = await Note.save({ title: 'note', parent_id: srcfolder.id });
		const conflictedNote = await Note.createConflictNote(note1, ItemChange.SOURCE_SYNC);

		const note2 = await Note.copyToFolder(conflictedNote.id, targetfolder.id);

		expect(note2.id === conflictedNote.id).toBe(false);
		expect(note2.title).toBe(conflictedNote.title);
		expect(note2.is_conflict).toBe(0);
		expect(note2.conflict_original_id).toBe('');
		expect(note2.parent_id).toBe(targetfolder.id);
	}));

	it('should move conflicted note to target folder and cancel conflict', (async () => {
		const srcFolder = await Folder.save({ title: 'Source Folder' });
		const targetFolder = await Folder.save({ title: 'Target Folder' });
		const note1 = await Note.save({ title: 'note', parent_id: srcFolder.id });

		const conflictedNote = await Note.createConflictNote(note1, ItemChange.SOURCE_SYNC);

		const movedNote = await Note.moveToFolder(conflictedNote.id, targetFolder.id);

		expect(movedNote.parent_id).toBe(targetFolder.id);
		expect(movedNote.is_conflict).toBe(0);
		expect(movedNote.conflict_original_id).toBe('');
	}));

	function testResourceReplacement(body: string, pathsToTry: string[], expected: string) {
		expect(Note['replaceResourceExternalToInternalLinks_'](pathsToTry, body)).toBe(expected);
	}

	test('basic replacement', () => {
		const body = '![image.png](file:///C:Users/Username/resources/849eae4dade045298c107fc706b6d2bc.png?t=1655192326803)';
		const pathsToTry = ['file:///C:Users/Username/resources'];
		const expected = '![image.png](:/849eae4dade045298c107fc706b6d2bc)';
		testResourceReplacement(body, pathsToTry, expected);
	});

	test('replacement with spaces', () => {
		const body = '![image.png](file:///C:Users/Username%20with%20spaces/resources/849eae4dade045298c107fc706b6d2bc.png?t=1655192326803)';
		const pathsToTry = ['file:///C:Users/Username with spaces/resources'];
		const expected = '![image.png](:/849eae4dade045298c107fc706b6d2bc)';
		testResourceReplacement(body, pathsToTry, expected);
	});

	test('replacement with Non-ASCII', () => {
		const body = '![image.png](file:///C:Users/UsernameWith%C3%A9%C3%A0%C3%B6/resources/849eae4dade045298c107fc706b6d2bc.png?t=1655192326803)';
		const pathsToTry = ['file:///C:Users/UsernameWithéàö/resources'];
		const expected = '![image.png](:/849eae4dade045298c107fc706b6d2bc)';
		testResourceReplacement(body, pathsToTry, expected);
	});

	test('replacement with Non-ASCII and spaces', () => {
		const body = '![image.png](file:///C:Users/Username%20With%20%C3%A9%C3%A0%C3%B6/resources/849eae4dade045298c107fc706b6d2bc.png?t=1655192326803)';
		const pathsToTry = ['file:///C:Users/Username With éàö/resources'];
		const expected = '![image.png](:/849eae4dade045298c107fc706b6d2bc)';
		testResourceReplacement(body, pathsToTry, expected);
	});

	it('should not allow modifying a read-only note', async () => {
		const folder = await Folder.save({ });
		const note = await Note.save({ parent_id: folder.id });

		const cleanup = simulateReadOnlyShareEnv('123456789');

		await expectNotThrow(async () => await Note.save({ id: note.id, title: 'can do this' }));

		await Folder.save({ id: folder.id, share_id: '123456789' });
		await Note.save({ id: note.id, share_id: '123456789' });

		await expectThrow(async () => await Note.save({ id: note.id, title: 'cannot do this!' }), ErrorCode.IsReadOnly);

		await expectNotThrow(async () => await Note.save({ id: note.id, title: 'But it can be updated via sync' }, { changeSource: ItemChange.SOURCE_SYNC }));

		cleanup();
	});

	it('should not allow deleting a read-only note', async () => {
		const folder = await Folder.save({ });
		const note1 = await Note.save({ parent_id: folder.id });

		const cleanup = simulateReadOnlyShareEnv('123456789');

		await Folder.save({ id: folder.id, share_id: '123456789' });
		await Note.save({ id: note1.id, share_id: '123456789' });

		await expectThrow(async () => await Note.delete(note1.id), ErrorCode.IsReadOnly);

		cleanup();
	});

	it('should not allow creating a new note as a child of a read-only folder', (async () => {
		const cleanup = simulateReadOnlyShareEnv('123456789');

		const readonlyFolder = await Folder.save({ share_id: '123456789' });
		await expectThrow(async () => Note.save({ parent_id: readonlyFolder.id }), ErrorCode.IsReadOnly);

		cleanup();
	}));

	it('should not allow adding an existing note as a child of a read-only folder', (async () => {
		const cleanup = simulateReadOnlyShareEnv('123456789');

		const readonlyFolder = await Folder.save({ share_id: '123456789' });
		const note = await Note.save({});
		await expectThrow(async () => Note.save({ id: note.id, parent_id: readonlyFolder.id }), ErrorCode.IsReadOnly);

		cleanup();
	}));

	it('should delete a note to trash', async () => {
		const folder = await Folder.save({});
		const note1 = await Note.save({ title: 'note1', parent_id: folder.id });
		const note2 = await Note.save({ title: 'note2', parent_id: folder.id });

		const previousUpdatedTime = note1.updated_time;

		await msleep(1);

		await Note.delete(note1.id, { toTrash: true });

		{
			const n1 = await Note.load(note1.id);
			expect(n1.deleted_time).toBeGreaterThan(0);
			expect(n1.updated_time).toBeGreaterThan(previousUpdatedTime);
			expect(n1.deleted_time).toBe(n1.updated_time);

			const n2 = await Note.load(note2.id);
			expect(n2.deleted_time).toBe(0);
		}

		{
			const previews = await Note.previews(folder.id);
			expect(previews.length).toBe(1);
			expect(previews.find(n => n.id === note2.id)).toBeTruthy();
		}

		{
			const engine = new SearchEngine();
			engine.setDb(db());
			await engine.syncTables();

			const results = await engine.search('note*');
			expect(results.length).toBe(1);
			expect(results[0].id).toBe(note2.id);
		}
	});

	it('should return the notes from the trash', async () => {
		const folder = await Folder.save({});
		const note1 = await Note.save({ title: 'note1', parent_id: folder.id });
		const note2 = await Note.save({ title: 'note2', parent_id: folder.id });
		const note3 = await Note.save({ title: 'note3', parent_id: folder.id });

		await Note.delete(note1.id, { toTrash: true });
		await Note.delete(note2.id, { toTrash: true });

		const folderNotes = await Note.previews(folder.id);
		const trashNotes = await Note.previews(getTrashFolderId());

		expect(folderNotes.map(f => f.id).sort()).toEqual([note3.id]);
		expect(trashNotes.map(f => f.id).sort()).toEqual([note1.id, note2.id].sort());
	});

	it('should handle folders within the trash', async () => {
		const folder1 = await Folder.save({ title: 'folder1 ' });
		const folder2 = await Folder.save({ title: 'folder2 ' });
		const note1 = await Note.save({ title: 'note1', parent_id: folder1.id });
		const note2 = await Note.save({ title: 'note2', parent_id: folder1.id });
		await Note.save({ title: 'note3', parent_id: folder2.id });
		const note4 = await Note.save({ title: 'note4', parent_id: folder2.id });

		await Folder.delete(folder1.id, { toTrash: true, deleteChildren: true });
		await Note.delete(note4.id, { toTrash: true });

		// Note 4 should be at the root of the trash since its associated folder
		// has not been deleted.
		{
			const trashNotes = await Note.previews(getTrashFolderId());
			expect(trashNotes.length).toBe(1);
			expect(trashNotes[0].id).toBe(note4.id);
		}

		// Note 1 and 2 should be within a "folder1" sub-folder within the trash
		// since that folder has been deleted too.
		{
			const trashNotes = await Note.previews(folder1.id);
			expect(trashNotes.length).toBe(2);
			expect(trashNotes.map(n => n.id).sort()).toEqual([note1.id, note2.id].sort());
		}
	});

	it('should allow deleting conflicts to the trash', async () => {
		const folder = await Folder.save({});

		const notes = [];
		for (let i = 0; i < 3; i++) {
			notes.push(await Note.save({ title: `note${i}`, parent_id: folder.id, is_conflict: 1 }));
		}

		// Should be in the conflicts folder
		expect(await Note.previews(getTrashFolderId())).toHaveLength(0);
		expect(await Note.previews(getConflictFolderId())).toHaveLength(3);
		expect(await Note.conflictedCount()).toBe(3);

		// Should be moved to the trash folder on delete
		for (const note of notes) {
			await Note.delete(note.id, { toTrash: true });
		}

		expect(await Note.previews(getTrashFolderId())).toHaveLength(3);
		expect(await Note.previews(getConflictFolderId())).toHaveLength(0);
		expect(await Note.conflictedCount()).toBe(0);
	});

	it('should delete the revisions when permanently deleting a note', (async () => {
		const service = new RevisionService();
		const folder = await Folder.save({ title: 'folder1' });
		const note = await Note.save({ title: 'my note', parent_id: folder.id });

		await Note.save({
			id: note.id,
			body: 'something something',
		});
		await service.collectRevisions();

		const revisionsCountBefore = await Revision.countRevisions(Note.modelType(), note.id);
		expect(revisionsCountBefore).toBe(1);

		await Note.delete(note.id, { toTrash: false });

		const revisionsCountAfter = await Revision.countRevisions(Note.modelType(), note.id);
		expect(revisionsCountAfter).toBe(0);
	}));

	it('should not delete the revisions when sending to trash', (async () => {
		const service = new RevisionService();
		const folder = await Folder.save({ title: 'folder1' });
		const note = await Note.save({ title: 'my note', parent_id: folder.id });

		await Note.save({
			id: note.id,
			body: 'something something',
		});
		await service.collectRevisions();

		const revisionsCountBefore = await Revision.countRevisions(Note.modelType(), note.id);
		expect(revisionsCountBefore).toBe(1);

		await Note.delete(note.id, { toTrash: true });

		const revisionsCountAfter = await Revision.countRevisions(Note.modelType(), note.id);
		expect(revisionsCountAfter).toBe(1);
	}));
});
