/*
 * Copyright (c) 2013-2015, Willem Cazander
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *   following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
 *   the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package net.forwardfire.unitxc;

import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import net.forwardfire.unitxc.converter.UnitXConverterParameterValue;
import net.forwardfire.unitxc.model.UnitXCType;
import net.forwardfire.unitxc.model.UnitXCGroup;
import net.forwardfire.unitxc.model.UnitXCGroupJump;
import net.forwardfire.unitxc.model.UnitXCGroupJumpParameter;
import net.forwardfire.unitxc.model.UnitXCGroupQuantity;
import net.forwardfire.unitxc.model.UnitXConverterResult;
import net.forwardfire.unitxc.model.step.RuleStepCodePrinter;
import net.forwardfire.unitxc.model.step.RuleStepCodeStyle;
import net.forwardfire.unitxc.model.step.UnitXConverterStep;

public class UnitXCConverterStepTest {
	
	@Test
	public void testFac() throws Exception {
		UnitXCManager unitManager = UnitXCFactory.createManager();
		
		Assertions.assertNotNull(unitManager);
		Assertions.assertNotNull(unitManager.getConfig());
		Assertions.assertNotNull(unitManager.getConfig().getUnitGroups());
		Assertions.assertFalse(unitManager.getConfig().getUnitGroups().isEmpty());

		long ts = 0l;
		for (UnitXCGroup typeGroup:unitManager.getConfig().getUnitGroups()) {
			UnitXCType type = unitManager.getUnitType(typeGroup.getBaseTypeId());
			if (type == null) {
				throw new IllegalStateException("No base type for: "+typeGroup.getId()+" needs: "+typeGroup.getBaseTypeId());
			}
			long tc = typeGroup.getUnitTypeSize();
			ts += tc;
			String groupLine = String.format("%-40s %-20d %-10s", typeGroup.getName().getValue(""),tc,type.getId());
			System.out.println(groupLine);
		}
		System.out.println("\ntotalTypes: "+ts);
		System.out.println("");
		
		Set<String> paraSet = new HashSet<>();
		for (UnitXCGroup typeGroup:unitManager.getConfig().getUnitGroups()) {
			for (UnitXCGroupJump jumpGroup:typeGroup.getGroupJumps()) {
				for (UnitXCGroupJumpParameter jumpPara:jumpGroup.getJumpParameters()) {
					System.out.println("jumpPara: "+jumpPara.getId()+" as: "+jumpPara.getUnitGroupId());
					if (paraSet.contains(jumpPara.getId())) {
						//throw new IllegalStateException("duplicate jump parameter id found: "+jumpPara.getId());
					}
					paraSet.add(jumpPara.getId());
				}
			}
		}
		System.out.println("\ntotalTypes: "+ts);
		System.out.println("");
		
		UnitXConverterResult result2 = unitManager.getConverter().convertStepped(20.0, "m/s/s", "km/s/s");
		System.out.println("20m/s = "+result2.getResultValue()+" km/h");
		
		UnitXConverterResult result = unitManager.getConverter().convertStepped(211.0, "k°F", "m°C");
		System.out.println("result: "+result);
		
		//result = unitManager.getConverter().convertStepped(10.763, "ft²", "in²");
		//xmlDriver.marshal(result, System.out);
		//System.out.println("");
		
		//result = unitManager.getConverter().convertStepped(10.763, "ft³", "in³");
		//xmlDriver.marshal(result, System.out);

		
		//result = unitManager.getConverter().convertStepped(1079000000, "km/h", "m/s");
		//xmlDriver.marshal(result, System.out);

		
		//try (OutputStream out = new FileOutputStream("/tmp/unitxc.conf.xml")) {
		//	jaxbDriver.getUnitXCConfig().marshal(unitManager.getConfig(), out);
		//}
		
		//System.out.println("GROUP:");
		//jaxbDriver.getUnitXCGroup().marshal(unitManager.getUnitGroup("length"), System.out);
		
		Map<String,UnitXConverterParameterValue> para = new HashMap<>();
		para.put("metre_per_second_second", new UnitXConverterParameterValue(2, unitManager.getUnitType("minute")));
		result = unitManager.getConverter().convertStepped(50, "km/h", "mm",para);
		//System.out.println("CONVERT-RESULT: "+result);
		
		long totalUnits=0;
		StringBuilder buf = new StringBuilder();
		buf.append("digraph G {\n");
		
		//buf.append("\tsize = \"4,4\"\n");
		for (UnitXCGroup typeGroup:unitManager.getConfig().getUnitGroups()) {
			UnitXCType baseType = unitManager.getUnitType(typeGroup.getBaseTypeId());
			System.out.println("group: "+typeGroup.getId());
			
			// print info
			buf.append("\t"+typeGroup.getId());
			buf.append("[");
			if (typeGroup.getDerivedFrom().isEmpty()) {
				buf.append("shape=box,style=filled,color=\".9 0.5 0.9\",");
			}
			StringBuilder label = new StringBuilder();
			label.append("label=\"");
			label.append(typeGroup.getId()+"\\n");
			label.append(baseType.getId()+"\\n");
			label.append(baseType.getName()+"\\n");
			Iterator<UnitXCGroupQuantity> q = typeGroup.getQuantities().iterator();
			label.append("(");
			while (q.hasNext()) {
				UnitXCGroupQuantity gq = q.next();
				label.append(gq.getId());
				//label.append(gq.getName());
				if (q.hasNext()) {
					label.append(",");
				}
			}
			label.append(")");
			label.append("\"");
			
			buf.append(label+",labelloc=b");
			buf.append("];\n");
			
			// print unit per group
			buf.append("\t"+typeGroup.getId()+" -> "+typeGroup.getId());
			buf.append("[");
			buf.append("color=red,label=\""+typeGroup.getUnitTypeSize()+"\"");
			buf.append("];\n");
			
			totalUnits += typeGroup.getUnitTypeSize();
			
			// print relations
			for (String groupFrom:typeGroup.getDerivedFrom()) {
				buf.append("\t"+groupFrom+" -> "+typeGroup.getId());
				buf.append("[");
				buf.append("dir=none");
				buf.append("];\n");
			}
			
			//for (UnitXCGroupJump jumpGroup:typeGroup.getGroupJumps()) {
			//	System.out.println("jumpGruop: "+jumpGroup.getId()+" to: "+jumpGroup.getUnitGroupId());
		//		buf.append("\t"+typeGroup.getId()+" -> "+jumpGroup.getUnitGroupId());
		//		buf.append("[");
		//		buf.append("];\n");
//				buf.append("\t"+typeGroup.getId()+" -> "+jumpGroup.getId());
//				buf.append(";\n");
//				
//				buf.append("\t"+jumpGroup.getId()+" -> "+jumpGroup.getUnitGroupId());
//				buf.append(";\n");
				
				//for (UnitXCGroupJumpParameter jumpPara:jumpGroup.getJumpParameters()) {
				
					//buf.append("\t"+jumpPara.getUnitGroupId()+"_"+(x++)+" -> "+jumpGroup.getId());
					//buf.append(";\n");
					
					//buf.append("\t"+typeGroup.getId()+" -> "+jumpPara.getId());
					//buf.append(";\n");
					
					//buf.append("\t"+jumpPara.getId()+" -> "+jumpGroup.getUnitGroupId());
					//buf.append(";\n");
				//}
			//}
		}
		
		buf.append("Stats[shape=box,color=\".9 0.2 0.8\",label=\"unit groups: "+unitManager.getConfig().getUnitGroups().size()+"\\ntotal units: "+totalUnits+"\",labelloc=b];\n");
		
		buf.append("}\n");
		System.out.println("dot: \n"+buf.toString());
		Files.write(Paths.get("target/groups.dot"), buf.toString().getBytes(Charset.forName("UTF-8")));
		
		List<UnitXConverterStep> steps = new ArrayList<>();
		result.getResultSteps().forEach(v -> steps.add(v.getConvertStep()));
		
		String code = RuleStepCodePrinter.print(RuleStepCodeStyle.JAVASCRIPT, steps, result.getStartTypeId()+"_to_"+result.getResultTypeId());
		System.out.println("\n\ncode: \n"+code);
	}
}