/* eslint-disable no-unused-vars */

require('app-module-path').addPath(__dirname);

const { time } = require('lib/time-utils.js');
const { sortedIds, createNTestNotes, asyncTest, fileContentEqual, setupDatabase, setupDatabaseAndSynchronizer, db, synchronizer, fileApi, sleep, clearDatabase, switchClient, syncTargetId, objectsEqual, checkThrowAsync } = require('test-utils.js');
const Folder = require('lib/models/Folder.js');
const Note = require('lib/models/Note.js');
const BaseModel = require('lib/BaseModel.js');
const ArrayUtils = require('lib/ArrayUtils.js');
const { shim } = require('lib/shim');

process.on('unhandledRejection', (reason, p) => {
	console.log('Unhandled Rejection at: Promise', p, 'reason:', reason);
});

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

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

	it('should find resource and note IDs', asyncTest(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, `${__dirname}/../tests/support/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(`${__dirname}/../tests/support/photo.jpg`);
		const resource3 = await shim.createResourceFromPath(`${__dirname}/../tests/support/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', asyncTest(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];
			const expected = t[1];
			const actual = Note.linkedItemIds(input);
			const contentEquals = ArrayUtils.contentEquals(actual, expected);

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

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

	it('should change the type of notes', asyncTest(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', asyncTest(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];

			const input = t[0];
			const expectedTitle = t[1];
			const expectedBody = t[1];

			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', asyncTest(async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'note', parent_id: folder1.id });

		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 delete a set of notes', asyncTest(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', asyncTest(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', asyncTest(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));
	}));
});