import {Et2Tag} from "../Tag/Et2Tag";
import {assert, elementUpdated, fixture, html, oneEvent} from '@open-wc/testing';
import * as sinon from 'sinon';
import {inputBasicTests} from "../../Et2InputWidget/test/InputBasicTests";
import {Et2Select} from "../Et2Select";

/**
 * Test file for Etemplate webComponent Select
 *
 * In here we test just the simple, basic widget stuff.
 */
// Stub global egw for cssImage to find
// @ts-ignore
window.egw = {
	image: () => "data:image/svg+xml;base64,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",
	lang: i => i + "*",
	tooltipUnbind: () => {},
	webserverUrl: ""
};

let element : Et2Select;

async function before()
{
	// Create an element to test with, and wait until it's ready
	// @ts-ignore
	element = await fixture<Et2Select>(html`
        <et2-select label="I'm a select">
        </et2-select>
	`);

	// Stub egw()
	sinon.stub(element, "egw").returns(window.egw);
	await elementUpdated(element);

	return element;
}

describe("Select widget basics", () =>
{
	// Setup run before each test
	beforeEach(before);

	// Make sure it works
	it('is defined', () =>
	{
		assert.instanceOf(element, Et2Select);
	});

	it('has a label', async() =>
	{
		element.set_label("Label set");
		await elementUpdated(element);

		assert.equal(element.querySelector("[slot='label']").textContent, "Label set");
	})

	it("starts empty", () =>
	{
		assert.notExists(element.querySelector("option"), "Static option not found in DOM");
		assert.deepEqual(element.select_options, [], "Unexpected option(s)");
	})

	it("closes when losing focus", async() =>
	{
	// WIP
		const blurSpy = sinon.spy();
		element.addEventListener('sl-hide', blurSpy);
		const showPromise = new Promise(resolve =>
		{
			element.addEventListener("sl-after-show", resolve);
		});
		const hidePromise = new Promise(resolve =>
		{
			element.addEventListener("sl-hide", resolve);
		});
		await elementUpdated(element);
		element.focus();

		await showPromise;
		await elementUpdated(element);

		element.blur();
		await elementUpdated(element);

		await hidePromise;

		sinon.assert.calledOnce(blurSpy);

		// Check that it actually closed dropdown
		assert.isFalse(element.select?.hasAttribute("open"));
	})
});

describe("Multiple", () =>
{
	beforeEach(async() =>
	{
		// Create an element to test with, and wait until it's ready
		// @ts-ignore
		element = await fixture<Et2Select>(html`
            <et2-select label="I'm a select" multiple="true">
                <option value="one">One</option>
                <option value="two">Two</option>
            </et2-select>
		`);
		element.loadFromXML(element);
		element.set_value("one,two");

		// Stub egw()
		sinon.stub(element, "egw").returns(window.egw);

		return element;
	});

	it("Can remove tags", async() =>
	{
		assert.equal(element.select.querySelectorAll("sl-option").length, 2, "Did not find options");

		assert.sameMembers(element.value, ["one", "two"]);
		let tags = element.select.combobox.querySelectorAll('.select__tags et2-tag');

		// Await tags to render
		let tag_updates = []
		element.select.combobox.querySelectorAll("et2-tag").forEach((t : Et2Tag) => tag_updates.push(t.updateComplete));
		await Promise.all(tag_updates);

		assert.equal(tags.length, 2);
		assert.equal(tags[0].value, "one");
		assert.equal(tags[1].value, "two");

		// Set up listener
		const listener = oneEvent(element, "change");

		// Click to remove first tag
		let removeButton = tags[0].shadowRoot.querySelector("[part='remove-button']");
		assert.exists(removeButton, "Could not find tag remove button");
		removeButton.dispatchEvent(new Event("click"));

		await listener;

		// Wait for widget to update
		await element.updateComplete;
		tag_updates = []
		element.select.combobox.querySelectorAll('et2-tag').forEach((t : Et2Tag) => tag_updates.push(t.updateComplete));
		await Promise.all(tag_updates);

		// Check
		assert.sameMembers(element.value, ["two"], "Removing tag did not remove value");
		tags = element.select.combobox.querySelectorAll('.select__tags et2-tag');
		assert.equal(tags.length, 1, "Removed tag is still there");
	});

});

inputBasicTests(async() =>
{
	const element = await before();
	element.noLang = true;
	element.select_options = [{value: "", label: ""}, {value: "one", label: "one"}];
	return element
}, "one", "sl-select");