import WS from "jest-websocket-mock";
import Stream from "../src/streaming";

describe("Streaming", () => {
	test("useChannel", async () => {
		const server = new WS("wss://misskey.test/streaming");
		const stream = new Stream("https://misskey.test", { token: "TOKEN" });
		const mainChannelReceived: any[] = [];
		const main = stream.useChannel("main");
		main.on("meUpdated", (payload) => {
			mainChannelReceived.push(payload);
		});

		const ws = await server.connected;
		expect(new URLSearchParams(new URL(ws.url).search).get("i")).toEqual(
			"TOKEN",
		);

		const msg = JSON.parse((await server.nextMessage) as string);
		const mainChannelId = msg.body.id;
		expect(msg.type).toEqual("connect");
		expect(msg.body.channel).toEqual("main");
		expect(mainChannelId != null).toEqual(true);

		server.send(
			JSON.stringify({
				type: "channel",
				body: {
					id: mainChannelId,
					type: "meUpdated",
					body: {
						id: "foo",
					},
				},
			}),
		);

		expect(mainChannelReceived[0]).toEqual({
			id: "foo",
		});

		stream.close();
		server.close();
	});

	test("useChannel with parameters", async () => {
		const server = new WS("wss://misskey.test/streaming");
		const stream = new Stream("https://misskey.test", { token: "TOKEN" });
		const messagingChannelReceived: any[] = [];
		const messaging = stream.useChannel("messaging", { otherparty: "aaa" });
		messaging.on("message", (payload) => {
			messagingChannelReceived.push(payload);
		});

		const ws = await server.connected;
		expect(new URLSearchParams(new URL(ws.url).search).get("i")).toEqual(
			"TOKEN",
		);

		const msg = JSON.parse((await server.nextMessage) as string);
		const messagingChannelId = msg.body.id;
		expect(msg.type).toEqual("connect");
		expect(msg.body.channel).toEqual("messaging");
		expect(msg.body.params).toEqual({ otherparty: "aaa" });
		expect(messagingChannelId != null).toEqual(true);

		server.send(
			JSON.stringify({
				type: "channel",
				body: {
					id: messagingChannelId,
					type: "message",
					body: {
						id: "foo",
					},
				},
			}),
		);

		expect(messagingChannelReceived[0]).toEqual({
			id: "foo",
		});

		stream.close();
		server.close();
	});

	test("ちゃんとチャンネルごとにidが異なる", async () => {
		const server = new WS("wss://misskey.test/streaming");
		const stream = new Stream("https://misskey.test", { token: "TOKEN" });

		stream.useChannel("messaging", { otherparty: "aaa" });
		stream.useChannel("messaging", { otherparty: "bbb" });

		const ws = await server.connected;
		expect(new URLSearchParams(new URL(ws.url).search).get("i")).toEqual(
			"TOKEN",
		);

		const msg = JSON.parse((await server.nextMessage) as string);
		const messagingChannelId = msg.body.id;
		const msg2 = JSON.parse((await server.nextMessage) as string);
		const messagingChannelId2 = msg2.body.id;

		expect(messagingChannelId != null).toEqual(true);
		expect(messagingChannelId2 != null).toEqual(true);
		expect(messagingChannelId).not.toEqual(messagingChannelId2);

		stream.close();
		server.close();
	});

	test("Connection#send", async () => {
		const server = new WS("wss://misskey.test/streaming");
		const stream = new Stream("https://misskey.test", { token: "TOKEN" });

		const messaging = stream.useChannel("messaging", { otherparty: "aaa" });
		messaging.send("read", { id: "aaa" });

		const ws = await server.connected;
		expect(new URLSearchParams(new URL(ws.url).search).get("i")).toEqual(
			"TOKEN",
		);

		const connectMsg = JSON.parse((await server.nextMessage) as string);
		const channelId = connectMsg.body.id;
		const msg = JSON.parse((await server.nextMessage) as string);

		expect(msg.type).toEqual("ch");
		expect(msg.body.id).toEqual(channelId);
		expect(msg.body.type).toEqual("read");
		expect(msg.body.body).toEqual({ id: "aaa" });

		stream.close();
		server.close();
	});

	test("Connection#dispose", async () => {
		const server = new WS("wss://misskey.test/streaming");
		const stream = new Stream("https://misskey.test", { token: "TOKEN" });
		const mainChannelReceived: any[] = [];
		const main = stream.useChannel("main");
		main.on("meUpdated", (payload) => {
			mainChannelReceived.push(payload);
		});

		const ws = await server.connected;
		expect(new URLSearchParams(new URL(ws.url).search).get("i")).toEqual(
			"TOKEN",
		);

		const msg = JSON.parse((await server.nextMessage) as string);
		const mainChannelId = msg.body.id;
		expect(msg.type).toEqual("connect");
		expect(msg.body.channel).toEqual("main");
		expect(mainChannelId != null).toEqual(true);
		main.dispose();

		server.send(
			JSON.stringify({
				type: "channel",
				body: {
					id: mainChannelId,
					type: "meUpdated",
					body: {
						id: "foo",
					},
				},
			}),
		);

		expect(mainChannelReceived.length).toEqual(0);

		stream.close();
		server.close();
	});

	// TODO: SharedConnection#dispose して一定時間経ったら disconnect メッセージがサーバーに送られてくるかのテスト

	// TODO: チャンネル接続が使いまわされるかのテスト
});