EDIT

// $Id$

/**

* Copyright (C) 2015 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.io.specimen.abcd206.in;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.PrintStream;

import java.io.PrintWriter;

import java.io.StringWriter;

import java.net.URI;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Map.Entry;

import java.util.Set;

import org.apache.log4j.Logger;

import eu.etaxonomy.cdm.io.specimen.SpecimenImportConfiguratorBase;

import eu.etaxonomy.cdm.model.name.TaxonNameBase;

import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationType;

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.cdm.model.taxon.TaxonNode;

/**

 * Gathers information about the ABCD import and presents them in a suitable way.

 * @author pplitzner

 * @date Jan 23, 2015

 *

 */

public class SpecimenImportReport {

    static private final Logger logger = Logger.getLogger(SpecimenImportReport.class);

    private final List<Taxon> createdTaxa = new ArrayList<Taxon>();

    private final Map<Taxon, List<UnitIdSpecimen>> taxonToAssociatedSpecimens =  new HashMap<Taxon, List<UnitIdSpecimen>>();

    private final Map<UnitIdSpecimen, List<UnitIdSpecimen>> derivateMap = new HashMap<UnitIdSpecimen, List<UnitIdSpecimen>>();

    private final List<UnitIdSpecimen> alreadyExistingSpecimens = new ArrayList<UnitIdSpecimen>();

    private final List<TaxonNameBase<?, ?>> createdNames = new ArrayList<TaxonNameBase<?,?>>();

    private final List<TaxonNode> createdTaxonNodes = new ArrayList<TaxonNode>();

    private final List<String> infoMessages = new ArrayList<String>();

    public void addTaxon(Taxon taxon){

        createdTaxa.add(taxon);

    }

    public void addName(TaxonNameBase<?, ?> taxonName){

        createdNames.add(taxonName);

    }

    public void addTaxonNode(TaxonNode taxonNode){

        createdTaxonNodes.add(taxonNode);

    }

    public void addDerivate(DerivedUnit parent, SpecimenImportConfiguratorBase config){

        addDerivate(parent, null, config);

    }

    public void addDerivate(DerivedUnit parent, DerivedUnit child, SpecimenImportConfiguratorBase config){

        UnitIdSpecimen parentUnitIdSpecimen = new UnitIdSpecimen(SpecimenImportUtility.getUnitID(parent, config), parent);

        List<UnitIdSpecimen> children = derivateMap.get(parentUnitIdSpecimen);

        if(children==null){

            children = new ArrayList<UnitIdSpecimen>();

        }

        if(child!=null){

            children.add(new UnitIdSpecimen(SpecimenImportUtility.getUnitID(child, config), child));

        }

        derivateMap.put(parentUnitIdSpecimen, children);

    }

    public void addIndividualAssociation(Taxon taxon, String derivedUnitId, DerivedUnit derivedUnitBase) {

        UnitIdSpecimen derivedUnitIdSpecimen = new UnitIdSpecimen(derivedUnitId, derivedUnitBase);

        List<UnitIdSpecimen> associatedSpecimens = taxonToAssociatedSpecimens.get(taxon);

        if(associatedSpecimens==null){

            associatedSpecimens = new ArrayList<UnitIdSpecimen>();

        }

        associatedSpecimens.add(derivedUnitIdSpecimen);

        taxonToAssociatedSpecimens.put(taxon, associatedSpecimens);

    }

    public void addAlreadyExistingSpecimen(String unitId, DerivedUnit derivedUnit){

        alreadyExistingSpecimens.add(new UnitIdSpecimen(unitId, derivedUnit));

    }

    public void addException(String message, Exception e) {

        StringWriter errors = new StringWriter();

        e.printStackTrace(new PrintWriter(errors));

        infoMessages.add(message+"\n"+e.getMessage()+"\n"+errors.toString());

    }

    public void addInfoMessage(String message) {

        infoMessages.add(message);

    }

    public void printReport(URI reportUri) {

        PrintStream out;

        if(reportUri != null){

            try {

                out = new PrintStream(new File(reportUri));

            } catch (FileNotFoundException e) {

                logger.warn("Report file could not be found.");

                out = System.out;

            }

        }

        else{

            out = System.out;

        }

        printReport(out);

    }

    public void printReport(PrintStream out) {

        out.println("++++++++Import Report+++++++++");

      //all specimens

        Set<UnitIdSpecimen> allSpecimens = new HashSet<UnitIdSpecimen>();

        for (Entry<UnitIdSpecimen, List<UnitIdSpecimen>> entry : derivateMap.entrySet()) {

            UnitIdSpecimen parentSpecimen = entry.getKey();

            allSpecimens.add(parentSpecimen);

            for (UnitIdSpecimen childSpecimen : entry.getValue()) {

                allSpecimens.add(childSpecimen);

            }

        }

        out.println("Specimens created: "+allSpecimens.size());

        Map<SpecimenOrObservationType, Integer> specimenTypeToCount = new HashMap<SpecimenOrObservationType, Integer>();

        for (UnitIdSpecimen unitIdSpecimen : allSpecimens) {

            incrementSpecimenTypeCount(specimenTypeToCount, unitIdSpecimen);

        }

        for(Entry<SpecimenOrObservationType, Integer> entry:specimenTypeToCount.entrySet()){

            SpecimenOrObservationType type = entry.getKey();

            out.println(type+": "+entry.getValue());

        }

        //not imported

        out.println("Skipped/not imported: "+alreadyExistingSpecimens.size());

        out.println("\n");

        out.println("Imported unit ids");

        for (UnitIdSpecimen unitIdSpecimen : allSpecimens) {

			out.print(unitIdSpecimen.unitId+", ");

		}

        out.println("\n");

        out.println("Ignored unit ids");

        for (UnitIdSpecimen unitIdSpecimen : alreadyExistingSpecimens) {

        	out.print(unitIdSpecimen.unitId+", ");

        }

        out.println("\n");

        //taxon name

        out.println("---Created Taxon Names ("+createdNames.size()+")---");

        for (TaxonNameBase<?, ?> taxonName : createdNames) {

            out.println(taxonName.getTitleCache());

        }

        out.println("\n");

        //taxa

        out.println("---Created Taxa ("+createdTaxa.size()+")---");

        for (Taxon taxon : createdTaxa) {

            out.println(taxon.getTitleCache());

        }

        out.println("\n");

        //taxon nodes

        out.println("---Created Taxon Nodes ("+createdTaxonNodes.size()+")---");

        for (TaxonNode taxonNode : createdTaxonNodes) {

            String nodeString = taxonNode.toString();

            if(taxonNode.getTaxon()!=null){

                nodeString += " ("+taxonNode.getTaxon().getTitleCache()+")";

            }

            if(taxonNode.getParent()!=null){

                nodeString += " with parent "+taxonNode.getParent();

                if(taxonNode.getParent().getTaxon()!=null){

                    nodeString += " ("+taxonNode.getParent().getTaxon().getTitleCache()+")";

                }

            }

            out.println(nodeString);

        }

        out.println("\n");

        //not imported

        out.println("---Already existing specimen/not imported ("+alreadyExistingSpecimens.size()+")---");

        for(UnitIdSpecimen specimen:alreadyExistingSpecimens){

            out.println(formatSpecimen(specimen));

        }

        out.println("\n");

        //taxa with associated specimens

        out.println("---Taxa with associated specimens ("+taxonToAssociatedSpecimens.size()+")---");

        for(Entry<Taxon, List<UnitIdSpecimen>> entry:taxonToAssociatedSpecimens.entrySet()){

            Taxon taxon = entry.getKey();

            List<UnitIdSpecimen> specimens = entry.getValue();

            out.println(taxon.getTitleCache() + " ("+specimens.size()+")");

            for (UnitIdSpecimen derivedUnit : specimens) {

                out.println("\t- "+formatSpecimen(derivedUnit));

                //check for derivatives

                List<UnitIdSpecimen> list = derivateMap.get(derivedUnit);

                for (UnitIdSpecimen derivate : list) {

                    out.println("\t\t- "+formatSpecimen(derivate));

                }

            }

        }

        out.println("\n");

        out.println("\n");

        //info messages

        out.println("---Info messages---");

        for(String message:infoMessages){

            out.println(message);

            out.println("---");

        }

        if(out!=System.out){

            out.close();

        }

    }

    private void incrementSpecimenTypeCount(Map<SpecimenOrObservationType, Integer> specimenTypeToCount,

            UnitIdSpecimen specimen) {

        SpecimenOrObservationType specimenType = specimen.getSpecimen().getRecordBasis();

        Integer count = specimenTypeToCount.get(specimenType);

        if(count==null){

            count = 1;

        }

        else{

            count++;

        }

        specimenTypeToCount.put(specimenType, count);

    }

    private String formatSpecimen(UnitIdSpecimen specimen){

        return "("+specimen.getUnitId()+") ["+specimen.getSpecimen().getRecordBasis()+"] "+specimen.getSpecimen().getTitleCache();

    }

    private class UnitIdSpecimen{

        private final String unitId;

        private final SpecimenOrObservationBase<?> specimen;

        public UnitIdSpecimen(String unitId, SpecimenOrObservationBase<?> specimen) {

            super();

            this.unitId = unitId;

            this.specimen = specimen;

        }

        public String getUnitId() {

            return unitId;

        }

        public SpecimenOrObservationBase<?> getSpecimen() {

            return specimen;

        }

        @Override

        public int hashCode() {

            final int prime = 31;

            int result = 1;

            result = prime * result + ((specimen == null) ? 0 : specimen.hashCode());

            result = prime * result + ((unitId == null) ? 0 : unitId.hashCode());

            return result;

        }

        @Override

        public boolean equals(Object obj) {

            if (this == obj) {

                return true;

            }

            if (obj == null) {

                return false;

            }

            if (getClass() != obj.getClass()) {

                return false;

            }

            UnitIdSpecimen other = (UnitIdSpecimen) obj;

            if (specimen == null) {

                if (other.specimen != null) {

                    return false;

                }

            } else if (!specimen.equals(other.specimen)) {

                return false;

            }

            if (unitId == null) {

                if (other.unitId != null) {

                    return false;

                }

            } else if (!unitId.equals(other.unitId)) {

                return false;

            }

            return true;

        }

    }

}