const Client = require('request-json');

const logger = require('log4js').getLogger('Weather');
const weather = require('openweather-apis');
const { reduceWeather } = require('./reducers/weather');
const request = require('request');

logger.level = 'debug';
logger.label = 'Weather';

const openWeatherApiKey = process.env.openweatherAPI || '936a0ed9eb23b95cf08fc9f693c24264';

const darkskyApiKey = process.env.darkskyApiKey || '9ad2a41d420f3cf4960571bb886f710c';

const dsURL = `https://api.darksky.net/forecast/${ darkskyApiKey }/`;
const DSclient = Client.createClient(`https://api.darksky.net/forecast/${ darkskyApiKey }/`);

weather.setAPPID(openWeatherApiKey);
weather.setLang('en');
// weather.setCity('Glasgow City');

function doGetOpenWeather(ll) {
  const [lat, long ] = ll.split(',');

  return new Promise((resolve, reject) => {
    weather.setCoordinate(lat, long);
    weather.getWeatherForecast( function(err, wData) {
      if (err)
        return reject(err);
      else
        return resolve(wData);
    });
  });
}

function doGetOpenWeatherForecast(ll) {
  const [lat, long ] = ll.split(',');

  return new Promise((resolve, reject) => {
    weather.setCoordinate(lat, long);
    weather.getWeatherForecastForDays(5, function(err, wData) {
      if (err)
        return reject(err);
      else
        return resolve(wData);
    });
  });
}

function doGetDarkSkyWeather(ll) {
  const query = `${ll}?units=uk2&exclude=daily,flags,minutely,hourly`;
  logger.debug(`https://api.darksky.net/forecast/${ darkskyApiKey }/${query}`);

  return new Promise((resolve, reject) => {
    DSclient.get(query, function(err, res, body) {
      if (err || !body || !body.currently)
        return reject(err);

      return resolve(body);
    });
  });
}

function doGetFullForcast(ll) {
  const query = `${ll}?units=uk2&exclude=flags,minutely`;
  logger.debug('doGetFullForcast');
  logger.debug(query);
  return new Promise((resolve, reject) => {
    DSclient.get(query, function(err, res, body) {
      if (err || !body || !body.currently)
        return reject(err);

      const output = reduceWeather(body);

      return resolve(output);
    });
  });
}

function doGetFullForcastV2(ll) {
  const query = `${ll}?units=uk2&exclude=flags,minutely`;
  logger.debug('doGetFullForcastV2');
  const url = `${dsURL}${query}`;

  logger.debug(url);

  return new Promise(function(resolve, reject) {
    request.get({ 'url':url }, function(err, resp, body) {
      if (err) {
        logger.error(err);

        return reject(err);
      }
      //  Logger.error(err);
      // return reject(err);
      // Throw err;

      console.log;
      const output = reduceWeather(body);
      output.fullBody = JSON.parse(body);
      output.timestamp = new Date().getTime();

      console.log(output);

      return resolve(output);
    }, function(error, response, body) {
      console.log(response);
      if (response.statusCode !== 200) {
        logger.error(response.statusCode);
        logger.error(body);

        return reject(error);
      }
    });
  });
}

module.exports = { doGetOpenWeather, doGetOpenWeatherForecast, doGetDarkSkyWeather, doGetFullForcast, doGetFullForcastV2 };