import async from "async";

import { useHasPermission } from "../hooks/hasPermission";

// eslint-disable-next-line
import moduleManager from "../../index";

const DBModule = moduleManager.modules.db;
const UtilsModule = moduleManager.modules.utils;
const WSModule = moduleManager.modules.ws;
const CacheModule = moduleManager.modules.cache;
const MusicBrainzModule = moduleManager.modules.musicbrainz;
const YouTubeModule = moduleManager.modules.youtube;

CacheModule.runJob("SUB", {
	channel: "artists.create",
	cb: artist => {
		WSModule.runJob("EMIT_TO_ROOM", {
			room: "admin.artists",
			args: ["event:admin.artists.created", { data: { artist } }]
		});
	}
});

CacheModule.runJob("SUB", {
	channel: "artists.remove",
	cb: artistId => {
		WSModule.runJob("EMIT_TO_ROOM", {
			room: "admin.artists",
			args: ["event:admin.artists.deleted", { data: { artistId } }]
		});
	}
});

CacheModule.runJob("SUB", {
	channel: "artists.update",
	cb: artist => {
		WSModule.runJob("EMIT_TO_ROOM", {
			room: "admin.artists",
			args: ["event:admin.artists.updated", { data: { artist } }]
		});
	}
});

export default {
	/**
	 * Gets artist items, used in the admin artist page by the AdvancedTable component
	 * @param {object} session - the session object automatically added by the websocket
	 * @param page - the page
	 * @param pageSize - the size per page
	 * @param properties - the properties to return for each artist item
	 * @param sort - the sort object
	 * @param queries - the queries array
	 * @param operator - the operator for queries
	 * @param cb
	 */
	getData: useHasPermission(
		"admin.view.artists",
		async function getSet(session, page, pageSize, properties, sort, queries, operator, cb) {
			async.waterfall(
				[
					next => {
						DBModule.runJob(
							"GET_DATA",
							{
								page,
								pageSize,
								properties,
								sort,
								queries,
								operator,
								modelName: "artist",
								blacklistedProperties: [],
								specialProperties: {
									createdBy: [
										{
											$addFields: {
												createdByOID: {
													$convert: {
														input: "$createdBy",
														to: "objectId",
														onError: "unknown",
														onNull: "unknown"
													}
												}
											}
										},
										{
											$lookup: {
												from: "users",
												localField: "createdByOID",
												foreignField: "_id",
												as: "createdByUser"
											}
										},
										{
											$unwind: {
												path: "$createdByUser",
												preserveNullAndEmptyArrays: true
											}
										},
										{
											$addFields: {
												createdByUsername: {
													$ifNull: ["$createdByUser.username", "unknown"]
												}
											}
										},
										{
											$project: {
												createdByOID: 0,
												createdByUser: 0
											}
										}
									]
								},
								specialQueries: {
									createdBy: newQuery => ({
										$or: [newQuery, { createdByUsername: newQuery.createdBy }]
									})
								}
							},
							this
						)
							.then(response => {
								next(null, response);
							})
							.catch(err => {
								next(err);
							});
					}
				],
				async (err, response) => {
					if (err && err !== true) {
						err = await UtilsModule.runJob("GET_ERROR", { error: err }, this);
						this.log("ERROR", "ARTISTS_GET_DATA", `Failed to get data from artists. "${err}"`);
						return cb({ status: "error", message: err });
					}
					this.log("SUCCESS", "ARTISTS_GET_DATA", `Got data from artists successfully.`);
					return cb({
						status: "success",
						message: "Successfully got data from artists.",
						data: response
					});
				}
			);
		}
	),

	/**
	 * Creates an artist item
	 * @param {object} session - the session object automatically added by the websocket
	 * @param {object} data - the object of the artist data
	 * @param {Function} cb - gets called with the result
	 */
	create: useHasPermission("artists.create", async function create(session, data, cb) {
		const artistModel = await DBModule.runJob("GET_MODEL", { modelName: "artist" }, this);
		async.waterfall(
			[
				next => {
					if (data?.musicbrainzData?.id !== data?.musicbrainzIdentifier)
						return next("MusicBrainz data must match the provided identifier.");
					return next();
				},
				next => {
					data.createdBy = session.userId;
					data.createdAt = Date.now();
					artistModel.create(data, next);
				}
			],
			async (err, artist) => {
				if (err) {
					err = await UtilsModule.runJob("GET_ERROR", { error: err }, this);
					this.log("ERROR", "ARTIST_CREATE", `Creating artist failed. "${err}"`);
					return cb({ status: "error", message: err });
				}

				CacheModule.runJob("PUB", { channel: "artists.create", value: artist });

				this.log("SUCCESS", "ARTIST_CREATE", `Created artist successful.`);

				return cb({
					status: "success",
					message: "Successfully created artist"
				});
			}
		);
	}),

	/**
	 * Gets a artist item by id
	 * @param {object} session - the session object automatically added by the websocket
	 * @param {string} artistId - the artist item id
	 * @param {Function} cb - gets called with the result
	 */
	async getArtistFromId(session, artistId, cb) {
		const artistModel = await DBModule.runJob("GET_MODEL", { modelName: "artist" }, this);

		async.waterfall(
			[
				next => {
					artistModel.findById(artistId, next);
				}
			],
			async (err, artist) => {
				if (err) {
					err = await UtilsModule.runJob("GET_ERROR", { error: err }, this);
					this.log("ERROR", "GET_ARTIST_FROM_ID", `Getting artist item ${artistId} failed. "${err}"`);
					return cb({ status: "error", message: err });
				}

				this.log("SUCCESS", "GET_ARTIST_FROM_ID", `Got artist item ${artistId} successfully.`, false);

				return cb({ status: "success", data: { artist } });
			}
		);
	},

	/**
	 * Updates an artist item
	 * @param {object} session - the session object automatically added by the websocket
	 * @param {string} artistId - the id of the artist item
	 * @param {object} item - the artist item object
	 * @param {Function} cb - gets called with the result
	 */
	update: useHasPermission("artists.update", async function update(session, artistId, item, cb) {
		const artistModel = await DBModule.runJob("GET_MODEL", { modelName: "artist" }, this);

		async.waterfall(
			[
				next => {
					if (!artistId) return next("Please provide an artist item id to update.");
					if (item?.musicbrainzData?.id !== item?.musicbrainzIdentifier)
						return next("MusicBrainz data must match the provided identifier.");
					return next();
				},

				next => {
					artistModel.updateOne({ _id: artistId }, item, { upsert: true }, err => next(err));
				}
			],
			async err => {
				if (err) {
					err = await UtilsModule.runJob("GET_ERROR", { error: err }, this);
					this.log(
						"ERROR",
						"ARTIST_UPDATE",
						`Updating artist item "${artistId}" failed for user "${session.userId}". "${err}"`
					);
					return cb({ status: "error", message: err });
				}

				CacheModule.runJob("PUB", { channel: "artists.update", value: { ...item, _id: artistId } });

				this.log(
					"SUCCESS",
					"ARTIST_UPDATE",
					`Updated artist item "${artistId}" successful for user "${session.userId}".`
				);
				return cb({
					status: "success",
					message: "Successfully updated artist item"
				});
			}
		);
	}),

	getMusicbrainzArtist: useHasPermission(
		"artists.update",
		async function getMusicbrainzArtist(session, musicbrainzIdentifier, cb) {
			const ArtistApiResponse = await MusicBrainzModule.runJob(
				"API_CALL",
				{
					url: `https://musicbrainz.org/ws/2/artist/${musicbrainzIdentifier}/`,
					params: {
						fmt: "json",
						inc: "aliases"
					}
				},
				this
			);

			return cb({
				data: ArtistApiResponse
			});
		}
	),

	getMusicbrainzRelatedUrls: useHasPermission(
		"artists.update",
		async function getMusicbrainzRelatedUrls(session, musicbrainzIdentifier, cb) {
			const ArtistApiResponse = await MusicBrainzModule.runJob(
				"API_CALL",
				{
					url: `https://musicbrainz.org/ws/2/artist/${musicbrainzIdentifier}/`,
					params: {
						fmt: "json",
						inc: "url-rels"
					}
				},
				this
			);

			return cb({
				data: ArtistApiResponse
			});
		}
	),

	getIdFromUrl: useHasPermission("artists.update", async function getIdFromUrl(session, type, url, cb) {
		if (type === "youtube") {
			YouTubeModule.runJob("GET_CHANNEL_ID", {
				url,
				disableSearch: false
			})
				.then(({ channelId }) => {
					if (channelId) {
						cb({
							status: "success",
							channelId
						});
					} else {
						cb({
							status: "error",
							message: "Playlist id not found"
						});
					}
				})
				.catch(async err => {
					err = await UtilsModule.runJob("GET_ERROR", { error: err }, this);
					cb({ status: "error", message: err });
				});
		} else
			cb({
				status: "error",
				message: "Invalid type"
			});
	})
};