import request from 'request-promise';
import { Logger, LoggerService } from '../../utils/logger.js';
import { Common, CommonService } from '../../utils/common.js';
import { getAllForwardingEvents } from './switch.js';
let options = null;
const logger: LoggerService = Logger;
const common: CommonService = Common;

export const getFees = (req, res, next) => {
  logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Fees', msg: 'Getting Fees..' });
  options = common.getOptions(req);
  if (options.error) { return res.status(options.statusCode).json({ message: options.message, error: options.error }); }
  options.url = req.session.selectedNode.ln_server_url + '/v1/fees';
  request(options).then((body) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Fees', msg: 'Fee Received', data: body });
    const today = new Date(Date.now());
    const start_date = new Date(today.getFullYear(), today.getMonth(), 1, 0, 0, 0);
    const current_time = (Math.round(today.getTime() / 1000));
    const month_start_time = (Math.round(start_date.getTime() / 1000));
    const week_start_time = current_time - 604800;
    const day_start_time = current_time - 86400;
    return getAllForwardingEvents(req, month_start_time, current_time, 0, 'fees', (history) => {
      logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Fees', msg: 'Forwarding History Received', data: history });
      const daily_sum = history.forwarding_events?.reduce((acc, curr) => ((curr.timestamp >= day_start_time) ? [(acc[0] + 1), (acc[1] + +curr.fee_msat)] : acc), [0, 0]);
      const weekly_sum = history.forwarding_events?.reduce((acc, curr) => ((curr.timestamp >= week_start_time) ? [(acc[0] + 1), (acc[1] + +curr.fee_msat)] : acc), [0, 0]);
      const monthly_sum = history.forwarding_events?.reduce((acc, curr) => [(acc[0] + 1), (acc[1] + +curr.fee_msat)], [0, 0]);
      logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Fees', msg: 'Daily Sum (Transactions, Fee)', data: daily_sum });
      logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Fees', msg: 'Weekly Sum (Transactions, Fee)', data: weekly_sum });
      logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Fees', msg: 'Monthly Sum (Transactions, Fee)', data: monthly_sum });
      body.daily_tx_count = daily_sum[0];
      body.weekly_tx_count = weekly_sum[0];
      body.monthly_tx_count = monthly_sum[0];
      body.day_fee_sum = (daily_sum[1] / 1000).toFixed(2);
      body.week_fee_sum = (weekly_sum[1] / 1000).toFixed(2);
      body.month_fee_sum = (monthly_sum[1] / 1000).toFixed(2);
      body.forwarding_events_history = history;
      if (history.error) {
        logger.log({ selectedNode: req.session.selectedNode, level: 'ERROR', fileName: 'Fees', msg: 'Fetch Forwarding Events Error', error: history.error });
      }
      logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Fees', msg: 'Fees Received', data: body });
      res.status(200).json(body);
    });
  }).catch((errRes) => {
    const err = common.handleError(errRes, 'Fees', 'Get Forwarding Events Error', req.session.selectedNode);
    return res.status(err.statusCode).json({ message: err.message, error: err.error });
  });
};