var config = require ('../core/util.js').getConfig();
var SMA = require('./indicators/SMA.js');
var RSI = require('./indicators/RSI.js');
var MACD = require('./indicators/MACD.js');
var VWAP = require('./indicators/VWAP.js');

var strat = {};

// helpers
var _ = require('lodash');
var log = require('../core/log.js');

var timeToBuy       = false;
var timeToSell      = false;
var MacdReady       = false;
var RSIReady        = false;
var VWAPReady       = false;

var firstrun        = true;
var timePeriods     = 10;

var buyPrice        = 0;
var sellPrice       = 0;
var cutLossesPrice  = 0;

var candlesHistory = [];
var rsiHistory = [];

var buyPriceTimeStamp = "";



//MARK: - INIT()
strat.init = function() {
    console.log('init function');
    this.name = 'Fckin asdf for new POLO';
    this.requiredHistory = this.tradingAdvisor.historySize;

    this.trend = {
        direction: 'none',
        duration: 0,
        persisted: false,
        adviced: false
      };

      // how many candles do we need as a base
      // before we can start giving advice?
      this.requiredHistory = this.tradingAdvisor.historySize;

      // define the indicators we need
      this.addIndicator('macd', 'MACD', this.settings);
      this.addIndicator('rsi', 'RSI', this.settings);

      this.addIndicator('vwap', 'VWAP', this.settings);

      console.log(this.name);
}


  // EMAs and diff.
strat.log = function() {
    var digits = 8;
    var macd = this.indicators.macd;

    var diff = macd.diff;
    var signal = macd.signal.result;

    log.debug('calculated MACD properties for candle:');
    log.debug('\t', 'short:', macd.short.result.toFixed(digits));
    log.debug('\t', 'long:', macd.long.result.toFixed(digits));
    log.debug('\t', 'macd:', diff.toFixed(digits));
    log.debug('\t', 'signal:', signal.toFixed(digits));
    log.debug('\t', 'macdiff:', macd.result.toFixed(digits));
  }



//MARK: - CHECK()
strat.check = function(candle) {

    // if (firstrun == true) {
    //     candlesHistory = [];
    //     rsiHistory = [];

    //     firstrun = false;
    // }

   candlesHistory.unshift(candle);
//    console.log(candlesHistory);


    if (candlesHistory.lenght > timePeriods) {
       candlesHistory.pop();
    }

    // this.indicators.vwap.input = this.candle;
    var vwap = this.indicators.vwap;
    console.log("--------");
    console.log(vwap.result);
    console.log("--------");


    var rsi = this.indicators.rsi;
    var rsiVal = rsi.result;

    rsiHistory.unshift(rsiVal);
    // console.log(rsiHistory[0]);



    if (rsiHistory.lenght > timePeriods) {
       rsiHistory.pop();
    }



    var macddiff = this.indicators.macd.result;

    //MARK: - CONSTANT CHECK

    if(!timeToSell) {

        if(macddiff > this.settings.thresholds.up) {

            // new trend detected
            if(this.trend.direction !== 'up') {
            // reset the state for the new trend
            this.trend = {
                duration: 1,
                persisted: false,
                direction: 'up',
                adviced: false
            };

            this.trend.duration++;

            log.debug('In uptrend since', this.trend.duration, 'candle(s)');

            if(this.trend.duration >= this.settings.thresholds.persistence) {
                this.trend.persisted = true;

                if(this.trend.persisted && !this.trend.adviced) {

                this.trend.adviced = true;
                MacdReady = true
                if (rsiHistory.length > 1) {
                    console.log("asdfasdf");
                    if (rsiHistory[0] < 33  || rsiHistory[1] < 33) {
                            console.log("rsi gogogo");
                            RSIReady = true;

                            // this.advice('long');
                        } else {
                            RSIReady = false;
                        }
                        }
                    }
                 }
            }
        }
        //  else if(macddiff < this.settings.thresholds.down) {

            // // new trend detected
            // if(this.trend.direction !== 'down')
            // // reset the state for the new trend
            // this.trend = {
            //     duration: 2,
            //     persisted: false,
            //     direction: 'down',
            //     adviced: false
            // };

            // this.trend.duration++;

            // log.debug('In downtrend since', this.trend.duration, 'candle(s)');

            // if(this.trend.duration >= this.settings.thresholds.persistence)
            // this.trend.persisted = true;

            // if(this.trend.persisted && !this.trend.adviced) {
            // this.trend.adviced = true;
            // MacdReady = true
            // if (this.rsiHistory.lenght > 2) {
            //     if (this.rsiHistory[this.rsiHistory.lenght] < 33
            //         || this.rsiHistory[this.rsiHistory.lenght - 1] < 33
            //         || this.rsiHistory[this.rsiHistory.lenght - 2] < 33) {
            //             RSIReady = true;

            //             // this.advice('long');
            //         } else {
            //             RSIReady = false;
            //         }
            //     }
            //     // this.advice('short');
            // } else {
            //     MacdReady = false;
            // }
        // }



        if (MacdReady && RSIReady) {
            timeToBuy = true;
            timeToSell = false;
        } else {
            timeToBuy = false;
            timeToSell = true;
            MacdReady = false;
            RSIReady = false;

        }
    }

      if (timeToBuy) {
        timeToBuy = false;
        this.advice('long');
        buyPrice = this.candle.close;
        buyPriceTimeStamp = this.candle.start._d
        sellPrice = this.candle.close * 1.005;
        cutLossesPrice = this.candle.close * 0.98;

        timeToSell = true;
      }


      if (timeToSell) {
          //MARK: - TAKE PROFITS
        if (sellPrice <= this.candle.close) {
            timeToSell = false;
            this.advice('short');
        }

        if (cutLossesPrice >= this.candle.close) {
            timeToSell = false;
            this.advice('short');
        } else {
            let buyinStamp = (new Date(buyPriceTimeStamp).getTime()/1000);
            let shouldSelloutStamp = (new Date(this.candle.start._d).getTime()/1000);
            let gap = shouldSelloutStamp - buyinStamp;

            //one hour 3600
            //three hours 10800
            //one day 86400

            // if (gap >= 10800) {
            //     sellPrice = buyPrice * 1.003
            //     if (sellPrice <= this.candle.close) {
            //         timeToSell = false;
            //         this.advice('short');
            //     }
            // }

            // if (gap >= 36000) {
            //     this.advice('short');
            // }
            // console.log(buyinStamp);
            // console.log(buyPriceTimeStamp);
            // console.log(this.candle.start._d);

        }
      }



}


module.exports = strat;