import type { HocuspocusProvider } from "@hocuspocus/provider";
import test from "ava";
import { newHocuspocus, newHocuspocusProvider, sleep } from "../utils/index.ts";

test("executes the onConnect callback", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect() {
				t.pass();
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("refuses connection when an error is thrown", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect() {
				throw new Error();
			},
		});

		newHocuspocusProvider(t, server, {
			onAuthenticationFailed() {
				t.pass();
				resolve("done");
			},
		});
	});
});

test("executes the onConnect callback from an extension", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t);

		class CustomExtension {
			async onConnect() {
				t.pass();
				resolve("done");
			}
		}

		server.configure({
			extensions: [new CustomExtension()],
		});

		newHocuspocusProvider(t, server);
	});
});

test("has the document name", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ documentName }) {
				t.is(documentName, "hocuspocus-test");
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("sets the provider to readOnly", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ connectionConfig }) {
				connectionConfig.readOnly = true;
			},
		});

		newHocuspocusProvider(t, server, {
			onSynced() {
				for (const connection of server.documents.get("hocuspocus-test")?.connections.keys() ?? []) {
					t.is(connection.readOnly, true);
				}

				resolve("done");
			},
		});
	});
});

const weirdDocumentNames = [
	"not-weird",
	"äöü",
	"<>{}|^ß",
	"with space",
	"with/slash",
	"with\backslash",
	"a-very-long-document-name-which-should-not-make-any-problems-at-all",
	"🌟",
	":",
	"—",
	"漢",
	"triple   space",
	"*",
];

weirdDocumentNames.forEach((weirdDocumentName) => {
	test(`encodes weird document names: "${weirdDocumentName}"`, async (t) => {
		await new Promise(async (resolve) => {
			const server = await newHocuspocus(t, {
				async onConnect({ documentName }) {
					t.is(documentName, weirdDocumentName);

					resolve("done");
				},
			});

			newHocuspocusProvider(t, server, {
				name: weirdDocumentName,
			});
		});
	});
});

test("rejects empty document name via WebSocket", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t);

		newHocuspocusProvider(t, server, {
			name: "",
			onAuthenticationFailed() {
				t.is(server.getDocumentsCount(), 0);
				t.pass();
				resolve("done");
			},
		});
	});
});

test("rejects whitespace-only document name via WebSocket", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t);

		newHocuspocusProvider(t, server, {
			name: "   ",
			onAuthenticationFailed() {
				t.is(server.getDocumentsCount(), 0);
				t.pass();
				resolve("done");
			},
		});
	});
});

test("stops when the onConnect hook throws an Error", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			onConnect() {
				throw new Error();
			},
			// MUST NOT BE CALLED
			async onLoadDocument() {
				t.fail(
					"WARNING: When onConnect fails onLoadDocument must not be called.",
				);
			},
		});

		newHocuspocusProvider(t, server, {
			onAuthenticationFailed() {
				t.pass();
				resolve("done");
			},
		});
	});
});

test("stops when the onConnect hook returns a rejecting promise", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			onConnect() {
				return Promise.reject();
			},
			// MUST NOT BE CALLED
			async onLoadDocument() {
				t.fail(
					"WARNING: When onConnect fails onLoadDocument must not be called.",
				);
			},
		});

		newHocuspocusProvider(t, server, {
			onAuthenticationFailed() {
				t.pass();
				resolve("done");
			},
		});
	});
});

test("has the request headers", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ requestHeaders }) {
				t.is(requestHeaders.get("connection") !== null, true);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("has the whole request", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ request }) {
				t.is(new URL(request.url).pathname, "/");
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("has the socketId", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ socketId }) {
				t.is(socketId !== undefined, true);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("has the server instance", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ instance }) {
				t.is(instance, server);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("defaults to readOnly = false", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ connectionConfig }) {
				t.is(connectionConfig.readOnly, false);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("cleans up correctly when provider disconnects during onLoadDocument", async (t) => {
	await new Promise(async (resolve) => {
		// eslint-disable-next-line prefer-const
		let provider: HocuspocusProvider;

		const server = await newHocuspocus(t, {
			onLoadDocument: async () => {
				provider.configuration.websocketProvider.disconnect();
				provider.disconnect();

				// pretent we loaded data from async source
				await sleep(100);
			},
		});

		provider = newHocuspocusProvider(t, server, {
			name: "super-unique-name",
			async onDisconnect() {
				await sleep(100);

				t.is(
					server.documents.get("super-unique-name"),
					undefined,
					"no documents",
				);
				resolve("done");
			},
		});
	});
});

test("the connections count is correct", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async connected() {
				t.is(server.getConnectionsCount(), 1);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("has connection.readOnly", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ connectionConfig }) {
				t.is(connectionConfig.readOnly, false);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});

test("has the request", async (t) => {
	await new Promise(async (resolve) => {
		const server = await newHocuspocus(t, {
			async onConnect({ request }) {
				t.truthy(request.url);
				resolve("done");
			},
		});

		newHocuspocusProvider(t, server);
	});
});