import {expect} from "chai";
import findChannels from "../../../../../client/js/helpers/ircmessageparser/findChannels";

describe("findChannels", () => {
	it("should find single letter channel", () => {
		const input = "#a";
		const expected = [
			{
				channel: "#a",
				start: 0,
				end: 2,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should find utf8 channels", () => {
		const input = "#äöü";
		const expected = [
			{
				channel: "#äöü",
				start: 0,
				end: 4,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should find inline channel", () => {
		const input = "inline #channel text";
		const expected = [
			{
				channel: "#channel",
				start: 7,
				end: 15,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should stop at \\0x07", () => {
		const input = "#chan\x07nel";
		const expected = [
			{
				channel: "#chan",
				start: 0,
				end: 5,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should allow classics pranks", () => {
		const input = "#1,000";
		const expected = [
			{
				channel: "#1,000",
				start: 0,
				end: 6,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should work with whois responses", () => {
		const input = "@#a";
		const expected = [
			{
				channel: "#a",
				start: 1,
				end: 3,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should work with IRCv3.1 multi-prefix", () => {
		const input = "!@%+#a";
		const expected = [
			{
				channel: "#a",
				start: 4,
				end: 6,
			},
		];

		const actual = findChannels(input, ["#"], ["!", "@", "%", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should work with custom channelPrefixes", () => {
		const input = "@a";
		const expected = [
			{
				channel: "@a",
				start: 0,
				end: 2,
			},
		];

		const actual = findChannels(input, ["@"], ["#", "+"]);

		expect(actual).to.deep.equal(expected);
	});

	it("should handle multiple channelPrefix correctly", () => {
		const input = "##test";
		const expected = [
			{
				channel: "##test",
				start: 0,
				end: 6,
			},
		];

		const actual = findChannels(input, ["#"], ["@", "+"]);

		expect(actual).to.deep.equal(expected);
	});
});