import { Helpers, _, MOBILE } from "./Helpers";

export module Functions {

	//#region private
	async function checkForPort(ip: string): Promise<number> {
		return new Promise<number>(async (resolve, reject) => {
			new Helpers.WebSocketRequest(
				ip,
				JSON.stringify({
					type: "servicePortsInformationRequest",
					uuid: Helpers.GenUuid()
				})
			)
				.GetResponseAsync()
				.then(response => {
					for (let p of JSON.parse(response).data[0].services) {
						if (p.nameAbbrevation === "ism") {
							return resolve(p.ports[0].number);
						}
					}
					return reject();
				})
				.catch(() => {
					return reject();
				});
		});
	}

	async function retrieveDataIp(): Promise<string> {
		return new Promise<string>((resolve, reject) => {
			const defaultIp: string = "ws://192.168.133.140";
			const portToCheck: number = 2080;
			checkForPort(`${defaultIp}:${portToCheck}`)
				.then(port => resolve(`${defaultIp}:${port}`))
				.catch(() => {
					return reject();
				})
		});
	}

	async function loadData(ip: string): Promise<any> {
		return new Promise<any>((resolve, reject) => {
			new Helpers.WebSocketRequest(
				ip,
				JSON.stringify({
					type: "getEssentials",
					uuid: Helpers.GenUuid()
				})
			)
				.GetResponseAsync()
				.then(data => resolve(JSON.parse(data).data))
				.catch(() => {
					return reject();
				});
		});
	}

	export async function manualLoad(): Promise<any> {
		return new Promise<any>(async (resolve, reject) => {
			let data: any;
			let serverIp: string = "ws://exctds01:2080";
			serverIp = prompt(
				"Please enter ip to load data manually:",
				serverIp
			) as string;
			try {
				data = await loadData(serverIp);
			} catch {
				console.error("Unable to load data from " + serverIp);
			}
			WebSocketIp = serverIp;
			return resolve(data);
		});
	}

	function storeInCache(key: string, value: any): void {
		window.localStorage.setItem(key, escape(JSON.stringify(value)));
	}

	function retrieveFromCache(key: string): any | never {
		let value = window.localStorage.getItem(key);
		if (!_(value)) return JSON.parse(unescape(value as string));
		else throw new Error();
	}
	//#endregion

	/**
	 * Tries to load the data automatically from the websocket,
	 * then from cache, then from the user. Always caches the
	 * response.
	 */
	export async function GetData(): Promise<any> {
		return new Promise<any>(async (resolve, reject) => {
			var lastIp: string;

			try {
				lastIp = retrieveFromCache("lastIp");
			} catch {
				lastIp = "ws://exctds01:2080";
			}

			var errorState = false;
			var lastTry: string | null = "";
			while (_(WebSocketIp)) {
				try {
					WebSocketIp = prompt(`${(errorState ? "Failed to connect." : "")}\nEnter IP to load data (usually ws://exctds01:2080)`, (_(lastTry) ? lastIp : lastTry) as string);
					lastTry = WebSocketIp;
					if (!WebSocketIp?.includes("ws://") && !WebSocketIp?.includes("WS://")) WebSocketIp = "ws://" + WebSocketIp as string;
					let data = await loadData(WebSocketIp);
					if (!_(WebSocketIp)) storeInCache("lastIp", WebSocketIp);
					return resolve(data);
				}
				catch {
					WebSocketIp = null;
					errorState = true;
				}
			}

			// var data: any;
			// try {
			// 	let serverIp = await retrieveDataIp();
			// 	data = await loadData(serverIp);
			// 	webSocketIp = serverIp;
			// } catch {
			// 	try {
			// 		data = retrieveFromCache("data");
			// 	} catch {
			// 		data = await manualLoad();
			// 	}
			// } finally {
			// 	console.log(data.type);
			// 	//if (data.type == "essentials"){
			// 		storeInCache("data", data);
			// 		return resolve(data);
			// 	/*} else {
			// 		GetData();
			// 	}	*/
			// }
		});
	}

	export var WebSocketIp: string | null = null;

	export async function GetMountedAssetIp(Id: number): Promise<string> {
		return new Promise<string>(async (resolve, reject) => {
			if (_(WebSocketIp)) return reject();
			try {
				let ip: string = JSON.parse(
					await new Helpers.WebSocketRequest(
						WebSocketIp as string,
						JSON.stringify({
							type: "getAssetState",
							uuid: Helpers.GenUuid(),
							data: {
								assetId: Id
							}
						})
					).GetResponseAsync()
				).data.ipAddr;
				if (!_(ip)) return resolve(`http://${ip}/`);
				else return reject();
			} catch {
				return reject();
			}
		});
	}

	export async function MountAsset(AssetId: string, MountingPointId: number): Promise<void> {
		return new Promise<void>(async (resolve, reject) => {
			if (_(WebSocketIp)) return reject();
			try {
				let response: string = JSON.parse(
					await new Helpers.WebSocketRequest(
						WebSocketIp as string,
						JSON.stringify({
							type: "mount",
							uuid: Helpers.GenUuid(),
							data: {
								mountingPointId: MountingPointId,
								assetId: +AssetId
							}
						})
					).GetResponseAsync()
				);
				console.log(response);
				if (response) return resolve();
				else return reject();
			} catch {
				return reject();
			}
		});
	}

	export async function UnmountAsset(MountingPointId: number): Promise<void> {
		return new Promise<void>(async (resolve, reject) => {
			if (_(WebSocketIp)) return reject();
			try {
				let response: string = JSON.parse(
					await new Helpers.WebSocketRequest(
						WebSocketIp as string,
						JSON.stringify({
							type: "unmountMountingPoint",
							uuid: Helpers.GenUuid(),
							data: {
								mountingPointId: MountingPointId,
							}
						})
					).GetResponseAsync()
				);
				if (response) return resolve();
				else return reject();
			} catch {
				return reject();
			}
		});
	}

	export async function GetMountableAssets(AssetTypeIds: number[]): Promise<any[]> {
		return new Promise<any[]>(async (resolve, reject) => {
			if (_(WebSocketIp)) return reject();
			try {
				let response: any = JSON.parse(
					await new Helpers.WebSocketRequest(
						WebSocketIp as string,
						JSON.stringify({
							type: "getAssets",
							uuid: Helpers.GenUuid(),
							data: {
								assetTypeId: AssetTypeIds,
							}
						})
					).GetResponseAsync()
				);
				if (response) return resolve(response.data);
				else return reject();
			} catch {
				return reject();
			}
		});
	}
}