package com.moral.util;

import java.util.*;

public class AQICalculation2 {
	
	public static Map<String, Object> hourlyAQI(Map<String, Object> map){
		List<Double> AQIList = new ArrayList<>();
		Map maxMap = new HashMap();
		for (Map.Entry<String, Object> entry : map.entrySet()) {
			String key = entry.getKey();
			if (entry.getValue().toString().equals("")){
				continue;
			}
			Double value = Double.parseDouble(entry.getValue().toString());

			if (key!="O3_8h"){
				maxMap.put(key,value);
			}else {
				continue;
			}
			Double PM2_5AQI;
			Double PM10AQI;
			Double SO2AQI;
			Double NO2AQI;
			Double COAQI;
			Double O3AQI;

				switch (key) {
					case "PM2_5":PM2_5AQI = PM2_5AQI(value);
						AQIList.add(PM2_5AQI);
						break;
					case "PM10":PM10AQI = PM10AQI(value);
						AQIList.add(PM10AQI);
						break;
					case "SO2":SO2AQI = SO2AQI(value);
						AQIList.add(SO2AQI);
						break;
					case "NO2":NO2AQI = NO2AQI(value);
						AQIList.add(NO2AQI);
						break;
					case "CO":COAQI = COAQI(value);
						AQIList.add(COAQI);
						break;
					case "maxO3_8h":O3AQI = O3AQI(value);
						AQIList.add(O3AQI);
						break;
					default:
						break;
				}
			}
		Map<String, Object> returnMap = new HashMap<>();
			Double AQIMAX = Collections.max(AQIList);
			Optional<Map.Entry<String, Integer>> max0 = maxMap.entrySet()
					.stream()
					.max(Map.Entry.comparingByValue());
			returnMap.put("maxSensor", max0.get().getKey());
			returnMap.put("AQI", AQIMAX);
		return returnMap;
	}
	public static Map<String, Object> dayAQI(Map<String, Object> map){
		List<Double> AQIList = new ArrayList<>();
		Map maxMap = new HashMap();
		for (Map.Entry<String, Object> entry : map.entrySet()) {
			String key = entry.getKey();
			if (entry.getValue() instanceof Double){
				Double value = Double.parseDouble(entry.getValue().toString());
				if (key!="O3_day"){
					maxMap.put(key,value);
				}
				Double PM2_5AQI;
				Double PM10AQI;
				Double SO2AQI;
				Double NO2AQI;
				Double COAQI;
				Double maxO38hAQI;
				switch (key) {
					case "PM2_5":PM2_5AQI = PM2_5AQI(value);
						AQIList.add(PM2_5AQI);
						break;
					case "PM10":PM10AQI = PM10AQI(value);
						AQIList.add(PM10AQI);
						break;
					case "SO2":SO2AQI = SO2DayAQI(value);
						AQIList.add(SO2AQI);
						break;
					case "NO2":NO2AQI = NO2DayAQI(value);
						AQIList.add(NO2AQI);
						break;
					case "CO":COAQI = CODayAQI(value);
						AQIList.add(COAQI);
						break;
					case "maxO3_8h":maxO38hAQI = O3DayAQI(value);
						AQIList.add(maxO38hAQI);
						break;
					default:
						break;
				}
			}else {
				continue;
			}
		}
		Map<String, Object> returnMap = new HashMap<>();
		if (AQIList.size()>0){
			Double AQIMAX = Collections.max(AQIList);
			Optional<Map.Entry<String, Integer>> max0 = maxMap.entrySet()
					.stream()
					.max(Map.Entry.comparingByValue());
			returnMap.put("maxSensor",max0.get().getKey());
			returnMap.put("AQI", AQIMAX);
		}else {
			returnMap.put("maxSensor","");
			returnMap.put("AQI", "");
		}
		return returnMap;
	}
	static double PM2_5AQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=35) {
			result = 50/35*(value-0)+0;
		}else if (value<=75) {
			result = 50/40*(value-35)+50;
		}else if (value<=115) {
			result = 50/40*(value-75)+100;
		}else if (value<=150) {
			result = 50/35*(value-115)+150;
		}else if (value<=250) {
			result = 100/100*(value-150)+200;
		}else if (value<=350) {
			result = 100/100*(value-250)+300;
		}else {
			result = 100/150*(value-350)+400;
		}
		return result;
	}
	
	static double PM10AQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=50) {
			result = 50/50*(value-0)+0;
		}else if (value<=150) {
			result = 50/100*(value-50)+50;
		}else if (value<=250) {
			result = 50/100*(value-150)+100;
		}else if (value<=350) {
			result = 50/100*(value-250)+150;
		}else if (value<=420) {
			result = 100/70*(value-350)+200;
		}else if (value<=500) {
			result = 100/80*(value-420)+300;
		}else {
			result = 100/100*(value-500)+400;
		}
		return result;
	}

	static double SO2AQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=150) {
			result = 50/150*(value-0)+0;
		}else if (value<=500) {
			result = 50/350*(value-150)+50;
		}else if (value<=650) {
			result = 50/150*(value-500)+100;
		}else {
			result = 50/150*(value-650)+150;
		}
		return result;
	}

	static double NO2AQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=100) {
			result = 50/100*(value-0)+0;
		}else if (value<=200) {
			result = 50/100*(value-100)+50;
		}else if (value<=700) {
			result = 50/500*(value-200)+100;
		}else if (value<=1200) {
			result = 50/500*(value-700)+150;
		}else if (value<=2340) {
			result = 100/1140*(value-1200)+200;
		}else if (value<=3090) {
			result = 100/750*(value-2340)+300;
		}else {
			result = 100/750*(value-3090)+400;
		}
		return result;
	}

	static double COAQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=5) {
			result = 50/5*(value-0)+0;
		}else if (value<=10) {
			result = 50/5*(value-5)+50;
		}else if (value<=35) {
			result = 50/25*(value-10)+100;
		}else if (value<=60) {
			result = 50/25*(value-35)+150;
		}else if (value<=90) {
			result = 100/30*(value-60)+200;
		}else if (value<=120) {
			result = 100/30*(value-90)+300;
		}else {
			result = 100/30*(value-120)+400;
		}
		return result;
	}

	static double O3AQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=100) {
			result = 50/160*(value-0)+0;
		}else if (value<=160) {
			result = 50/40*(value-160)+50;
		}else if (value<=215) {
			result = 50/100*(value-200)+100;
		}else if (value<=265) {
			result = 50/100*(value-300)+150;
		}else if (value<=800) {
			result = 100/400*(value-400)+200;
		}else if (value<=2100) {
			result = 100/200*(value-800)+300;
		}else {
			result = 100/200*(value-1000)+400;
		}
		return result;
	}

	static double O3DayAQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=100) {
			result = 50/100*(value-0)+0;
		}else if (value<=160) {
			result = 50/60*(value-100)+50;
		}else if (value<=215) {
			result = 50/55*(value-160)+100;
		}else if (value<=265) {
			result = 50/150*(value-215)+150;
		}else if (value<=800) {
			result = 100/535*(value-265)+200;
		}else if (value<=2100) {
			result = 100/12*(value-800)+300;
		}else {
			result = 100/12*(value-48)+400;
		}
		return result;
	}

	static double SO2DayAQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=50) {
			result = 50/50*(value-0)+0;
		}else if (value<=150) {
			result = 50/100*(value-50)+50;
		}else if (value<=475) {
			result = 50/325*(value-150)+100;
		}else if (value<=800) {
			result = 50/325*(value-475)+150;
		}else if (value<=1600) {
			result = 100/800*(value-800)+200;
		}else if (value<=2100) {
			result = 100/500*(value-1600)+300;
		}else {
			result = 100/520*(value-2100)+400;
		}
		return result;
	}
	static double NO2DayAQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=40) {
			result = 50/40*(value-0)+0;
		}else if (value<=80) {
			result = 50/40*(value-40)+50;
		}else if (value<=180) {
			result = 50/100*(value-80)+100;
		}else if (value<=280) {
			result = 50/100*(value-180)+150;
		}else if (value<=565) {
			result = 100/285*(value-280)+200;
		}else if (value<=750) {
			result = 100/185*(value-565)+300;
		}else {
			result = 100/190*(value-750)+400;
		}
		return result;
	}

	static double CODayAQI(Double value) {
		Double result = (double) 0;
		if(value<=0) {
			result=(double) 0;
		}else if (value<=5) {
			result = 50/2*(value-0)+0;
		}else if (value<=10) {
			result = 50/2*(value-2)+50;
		}else if (value<=35) {
			result = 50/10*(value-4)+100;
		}else if (value<=60) {
			result = 50/10*(value-14)+150;
		}else if (value<=90) {
			result = 100/12*(value-24)+200;
		}else if (value<=120) {
			result = 100/12*(value-36)+300;
		}else {
			result = 100/12*(value-48)+400;
		}
		return result;
	}


}