"use strict";

var processor = {

  getRace: function(raceId) {
    var race =  {
      drivers: null,
      lapTimes: null,
      pitStops: null,
      qualifying: null,
      results: null,
      raceInfo: null,

    };

    race.drivers = queries.getDriversByRaceId(raceId);
    race.lapTimes = queries.getLapDataByRaceId(raceId);
    race.qualifying = queries.getQualifingDataByRaceId(raceId);
    race.pitStops = queries.getPitStopsByRaceId(raceId);
    race.results = queries.getResultsByRaceId(raceId);
    race.raceInfo = queries.getRaceById(raceId);

    return race;
  },

  getEnhancedLapDataPerDriver: function(raceData) {
    var result = [];
    raceData.drivers.forEach((driver) => {
      var lapData = {
        driver: null,
        laps: [],
      };
      lapData.driver = driver;
      //Attach Qualifying Data
      lapData.qualifying = processor.getQualifyingForDriver(raceData, driver);
      //add Qualifying Data to the Laps
      var lap0 = {'driverId': driver.driverId, 'lap': 0, 'position': lapData.qualifying.position};                
      var endResult = raceData.results.filter(res => res.driverId == driver.driverId && res.laps == 0);
      if(endResult.length > 0){
        lap0.finished = endResult[0];
      }
      lapData.laps.push(lap0);
      raceData.lapTimes.forEach(lap => {
        lap.forEach(curLap => {
          if( curLap.driverId == driver.driverId ){
            var pitstop = raceData.pitStops.filter(pitstop => pitstop.driverId == driver.driverId && pitstop.lap == curLap.lap);
            var endResult = raceData.results.filter(res => res.driverId == driver.driverId && res.laps == curLap.lap);
            if(pitstop.length > 0){
              curLap.pitStop = pitstop[0];
            }
            if(endResult.length > 0){
              curLap.finished = endResult[0];
            }
            lapData.laps.push(curLap);
          }
        });
      });
      result.push(lapData);
    });
    return result;
  },

  getRacesByYear: function(year) {
    var races = queries.getRacesByYear(year);
    return races.map(race => processor.getRace(race.raceId));
  },

  //Gets the position of Driver with driverid in specific lap
  // lapData: an array of the lap data for one lap
  getPositionOfDriver: function(driver, lapData, defaultReturn){
    var lapEntryWithDrivId = lapData.filter( drivLap => drivLap.driverId == driver.driverId );
    if(lapEntryWithDrivId.length > 0){
      return lapEntryWithDrivId[0].position;
    }else{
      return defaultReturn;
    }
  },

  getQualifyingForDriver: function(raceData, driver){
    var qualData = raceData.qualifying.filter( qualData => qualData.driverId == driver.driverId);
    return qualData[0];
  }

};