import { TGClient } from './tgclient.js';
import Utils from '../utils/utils.js';

class TGProvider {

	constructor() {
		this.tgClient = new TGClient(869171, 'c3731f831b212a314f71172daf233f9d');
		this.checksMap = new Map();

		this.tgClient.onNewMessage(message => {
			if(message.chat_id == this.chat.id) {
				let messageText = message?.content?.text?.text;
				if(messageText && messageText.includes('#️⃣')) {
					let number = this.findFirst(messageText, /Номер: (.*)\n/);
					if(number) {
						this.checksMap.get(number).resolve({
							id: message.id,
							text: messageText
						});
					}
				}
			}
		});

		//this.init();
	}

	findFirst(string, regex) {
		let result = string.match(regex);
		if(result && result.length > 1) {
			return result[1];
		} else {
			return null;
		}
	}

	async init() {
		await this.tgClient.login();
		this.chat = await this.tgClient.findChat('@l0r3m1psum_bot');
	}

	async close() {
		await this.tgClient.close();
	}

	async getReport(number) {
		try {
			await this.tgClient.sendMessage(this.chat, number);
			let waitResponseTask = Utils.promiseWithResolvers();
			this.checksMap.set(number, waitResponseTask);
			setTimeout(() => {
				waitResponseTask.reject(Error('TG report timeout'));
			}, 25000);
			let { id, text } = await waitResponseTask.promise;
			await this.tgClient.viewMessage(id, this.chat.id);
			return this.parseReport(text);
		} finally {
			this.checksMap.delete(number);
		}
	}

	parseReport(text) {
		let number = this.findFirst(text, /Номер: (.*)\n/);
		let vin = this.findFirst(text, /VIN: (.*)\n/);
		let owner = this.findFirst(text, /Владелец: (.*)\n/);
		let year = this.findFirst(text, /Год: (.*)\n/);
		let color = this.findFirst(text, /Цвет: (.*)\n/);
		let sts = this.findFirst(text, /СТС: (.*)\n/);

		return {
			number,
			vin,
			owner,
			year,
			color,
			sts
		};
	}
}

export { TGProvider };