import { supportDir, setupDatabaseAndSynchronizer, switchClient, simulateReadOnlyShareEnv, expectThrow, createTempFile } from '../testing/test-utils';
import Folder from '../models/Folder';
import Note from '../models/Note';
import Resource from '../models/Resource';
import shim from '../shim';
import { ErrorCode } from '../errors';
import { remove, pathExists } from 'fs-extra';

const testImagePath = `${supportDir}/photo.jpg`;

const setupFolderNoteResourceReadOnly = async (shareId: string) => {
	const cleanup = simulateReadOnlyShareEnv(shareId);

	let folder = await Folder.save({ });
	let note = await Note.save({ parent_id: folder.id });
	await shim.attachFileToNote(note, testImagePath);
	let resource = (await Resource.all())[0];

	folder = await Folder.save({ id: folder.id, share_id: shareId });
	note = await Note.save({ id: note.id, share_id: shareId });
	resource = await Resource.save({ id: resource.id, share_id: shareId });

	resource = await Resource.load(resource.id); // reload to get all properties

	return { cleanup, folder, note, resource };
};

describe('models/Resource', () => {

	beforeEach(async () => {
		await setupDatabaseAndSynchronizer(1);
		await switchClient(1);
	});

	it('should have a "done" fetch_status when created locally', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		await shim.attachFileToNote(note1, testImagePath);
		const resource1 = (await Resource.all())[0];
		const ls = await Resource.localState(resource1);
		expect(ls.fetch_status).toBe(Resource.FETCH_STATUS_DONE);
	}));

	it('should have a default local state', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		await shim.attachFileToNote(note1, testImagePath);
		const resource1 = (await Resource.all())[0];
		const ls = await Resource.localState(resource1);
		expect(!ls.id).toBe(true);
		expect(ls.resource_id).toBe(resource1.id);
		expect(ls.fetch_status).toBe(Resource.FETCH_STATUS_DONE);
	}));

	it('should save and delete local state', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		await shim.attachFileToNote(note1, testImagePath);
		const resource1 = (await Resource.all())[0];
		await Resource.setLocalState(resource1, { fetch_status: Resource.FETCH_STATUS_IDLE });

		let ls = await Resource.localState(resource1);
		expect(!!ls.id).toBe(true);
		expect(ls.fetch_status).toBe(Resource.FETCH_STATUS_IDLE);

		await Resource.delete(resource1.id);
		ls = await Resource.localState(resource1);
		expect(!ls.id).toBe(true);
	}));

	it('should resize the resource if the image is below the required dimensions', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		const previousMax = Resource.IMAGE_MAX_DIMENSION;
		Resource.IMAGE_MAX_DIMENSION = 5;
		await shim.attachFileToNote(note1, testImagePath);
		Resource.IMAGE_MAX_DIMENSION = previousMax;
		const resource1 = (await Resource.all())[0];

		const originalStat = await shim.fsDriver().stat(testImagePath);
		const newStat = await shim.fsDriver().stat(Resource.fullPath(resource1));

		expect(newStat.size < originalStat.size).toBe(true);
	}));

	it('should not resize the resource if the image is below the required dimensions', (async () => {
		const folder1 = await Folder.save({ title: 'folder1' });
		const note1 = await Note.save({ title: 'ma note', parent_id: folder1.id });
		await shim.attachFileToNote(note1, testImagePath);
		const resource1 = (await Resource.all())[0];

		const originalStat = await shim.fsDriver().stat(testImagePath);
		const newStat = await shim.fsDriver().stat(Resource.fullPath(resource1));

		expect(originalStat.size).toBe(newStat.size);
	}));

	it('should not allow modifying a read-only resource', async () => {
		const { cleanup, resource } = await setupFolderNoteResourceReadOnly('123456789');
		await expectThrow(async () => Resource.save({ id: resource.id, share_id: '123456789', title: 'cannot do this!' }), ErrorCode.IsReadOnly);
		cleanup();
	});

	it('should not allow modifying a read-only resource content', async () => {
		const { cleanup, resource } = await setupFolderNoteResourceReadOnly('123456789');
		const tempFilePath = await createTempFile('something');
		await expectThrow(async () => Resource.updateResourceBlobContent(resource.id, tempFilePath), ErrorCode.IsReadOnly);
		await remove(tempFilePath);
		cleanup();
	});

	it('should not allow deleting a read-only resource', async () => {
		const { cleanup, resource } = await setupFolderNoteResourceReadOnly('123456789');
		expect(await pathExists(Resource.fullPath(resource))).toBe(true);
		await expectThrow(async () => Resource.delete(resource.id), ErrorCode.IsReadOnly);
		// Also check that the resource blob has not been deleted
		expect(await pathExists(Resource.fullPath(resource))).toBe(true);
		cleanup();
	});

});