import { IncomingMessage } from "http";
import fs from "fs";
import path from "path";
import { Service, ServiceBroker, Context } from "moleculer";
import ApiGateway from "moleculer-web";
import { getCovers, extractArchive } from "../utils/uncompression.utils";
import { map, flatten } from "lodash";
import JSONStream from "JSONStream";
const IO = require("socket.io")();

export default class ApiService extends Service {
	public constructor(broker: ServiceBroker) {
		super(broker);
		// @ts-ignore
		this.parseServiceSchema({
			name: "api",
			mixins: [ApiGateway],
			// More info about settings: https://moleculer.services/docs/0.14/moleculer-web.html
			settings: {
				port: process.env.PORT || 3000,

				routes: [
					{
						path: "/api",
						whitelist: [
							// Access to any actions in all services under "/api" URL
							"**",
						],
						use: [],
						mergeParams: true,
						autoAliases: true,

						aliases: {},

						// Calling options. More info: https://moleculer.services/docs/0.14/moleculer-web.html#Calling-options
						callingOptions: {},

						bodyParsers: {
							json: {
								strict: false,
								limit: "1MB",
							},
							urlencoded: {
								extended: true,
								limit: "1MB",
							},
						},

						// Mapping policy setting. More info: https://moleculer.services/docs/0.14/moleculer-web.html#Mapping-policy
						mappingPolicy: "all", // Available values: "all", "restrict"

						// Enable/disable logging
						logging: true,
					},
				],
				// Do not log client side errors (does not log an error response when the error.code is 400<=X<500)
				log4XXResponses: false,
				// Logging the request parameters. Set to any log level to enable it. E.g. "info"
				logRequestParams: null,
				// Logging the response data. Set to any log level to enable it. E.g. "info"
				logResponseData: null,
				// Serve assets from "public" folder
				assets: {
					folder: "public",
					// Options to `server-static` module
					options: {},
				},
			},

			methods: {},
			events: {
				"**"(payload, sender, event) {
					if (this.io)
						this.io.emit("event", {
							sender,
							event,
							payload,
						});
				},
			},
			started(): any {
				// Create a Socket.IO instance, passing it our server
				this.io = IO.listen(this.server);

				// Add a connect listener
				this.io.on("connection", (client) => {
					this.logger.info("Client connected via websocket!");

					client.on("call", ({ action, params, opts }, done) => {
						this.logger.info(
							"Received request from client! Action:",
							action,
							", Params:",
							params
						);

						this.broker
							.call("import." + action, params, opts)
							.then((res) => {
								client.emit("hello", "world");
								console.log(client);

								console.log("DONE");

								client.emit("comicBookCoverMetadata", res);
								done(res);
							})
							.catch((err) => this.logger.error(err));
					});

					client.on("disconnect", () => {
						this.logger.info("Client disconnected");
					});
				});
			},
		});
	}
}