/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
package base;

import helper.APIDescGetter;
import helper.AppProvider;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import lib.MultiMethodTest;
import lib.TestCase;
import lib.TestEnvironment;
import lib.TestParameters;
import lib.TestResult;
import share.DescEntry;
import share.DescGetter;
import share.LogWriter;
import stats.OutProducerFactory;
import stats.Summarizer;
import util.DynamicClassLoader;

import com.sun.star.lang.XMultiServiceFactory;

/**
 *
 * this class handles tests written in java and running on a fat Office
 */
public class java_fat implements TestBase {

    private boolean logging = true;
    private DynamicClassLoader m_aDynamicClassLoader = null;

    private lib.TestParameters m_aParams;
    private AppProvider m_aOffice;

    public boolean executeTest(lib.TestParameters _aParams) throws Exception {
        m_aParams = _aParams;

        m_aDynamicClassLoader = new DynamicClassLoader();

        DescGetter dg = new APIDescGetter();
        String job = (String) m_aParams.get("TestJob");
        String ExclusionFile = (String) m_aParams.get("ExclusionList");
        ArrayList<String> exclusions = null;
        boolean retValue = true;
        boolean isDebug = m_aParams.getBool("DebugIsActive");
        logging = m_aParams.getBool("LoggingIsActive");
        boolean keepdocument = m_aParams.getBool("KeepDocument");
        boolean newOffice = m_aParams
                .getBool(util.PropertyName.NEW_OFFICE_INSTANCE);
        if (keepdocument) {
            System.setProperty("KeepDocument", "true");
        }
        if (ExclusionFile != null) {
            exclusions = getExclusionList(ExclusionFile, isDebug);
        }

        String sDescriptionPath = (String) m_aParams.get("DescriptionPath");
        DescEntry[] entries = dg.getDescriptionFor(job, sDescriptionPath,
                isDebug);

        if (entries == null) {
            System.out.println("Couldn't get Description for Job: " + job);

            return false;
        }

        m_aOffice = startOffice(m_aParams);

        boolean firstRun = true;

        // Run through all entries (e.g. sw.SwXBookmark.*)

        for (int l = 0; l < entries.length; l++) {
            DescEntry entry = entries[l];

            if (entry == null) {
                continue;
            }

            if (entry.hasErrorMsg) {
                System.out.println(entries[l].ErrorMsg);
                retValue = false;
                continue;
            }

            if (!firstRun && newOffice) {
                if (!m_aOffice.closeExistingOffice(m_aParams, true)) {
                    m_aOffice.disposeManager(m_aParams);
                }
                startOffice(m_aParams);
            }
            firstRun = false;

            XMultiServiceFactory msf = m_aParams.getMSF();

            if (msf == null) {
                retValue = false;
                continue;
            }

            // get some helper classes
            Summarizer sumIt = new Summarizer();
            TestCase tCase = getTestCase(entry);
            if (tCase == null) {
                continue;
            }

            util.utils.pause(2000);

            System.out.println("Creating: " + entry.entryName);

            LogWriter log = (LogWriter) m_aDynamicClassLoader
                    .getInstance((String) m_aParams.get("LogWriter"));
            log.initialize(entry, logging);
            entry.UserDefinedParams = m_aParams;

            tCase.setLogWriter((PrintWriter) log);
            tCase.initializeTestCase(m_aParams);

            TestEnvironment tEnv = getTestEnvironment(tCase, entry);
            if (tEnv == null) {
                continue;
            }

            for (int j = 0; j < entry.SubEntryCount; j++) {
                DescEntry aSubEntry = entry.SubEntries[j];
                final boolean bIsToTest = aSubEntry.isToTest;
                if (!bIsToTest) {
                    Summarizer.summarizeDown(aSubEntry, "not part of the job");
                    continue;
                }

                final String sLongEntryName = aSubEntry.longName;

                if ((exclusions != null)
                        && (exclusions.contains(sLongEntryName))) {
                    Summarizer.summarizeDown(aSubEntry, "known issue");
                    continue;
                }

                // this will shown in test itself

                LogWriter ifclog = (LogWriter) m_aDynamicClassLoader
                        .getInstance((String) m_aParams.get("LogWriter"));

                ifclog.initialize(aSubEntry, logging);
                aSubEntry.UserDefinedParams = m_aParams;
                aSubEntry.Logger = ifclog;

                if (tEnv.isDisposed()) {
                    closeExistingOffice();
                    tEnv = getEnv(entry, m_aParams);
                    tCase = tEnv.getTestCase();
                }

                lib.TestResult res = null;

                // run the interface test twice if it failed.
                int countInterfaceTestRun = 0;
                boolean finished = false;
                while (!finished) {
                    try {
                        countInterfaceTestRun++;
                        finished = true;
                        res = executeInterfaceTest(aSubEntry, tEnv, m_aParams);
                    } catch (IllegalArgumentException iae) {
                        System.out.println("Couldn't load class "
                                + aSubEntry.entryName + ":");
                        iae.printStackTrace(System.out);
                        Summarizer.summarizeDown(aSubEntry, iae.getMessage());
                    } catch (java.lang.NoClassDefFoundError iae) {
                        System.out.println("Couldn't load class "
                                + aSubEntry.entryName + ":");
                        iae.printStackTrace(System.out);
                        Summarizer.summarizeDown(aSubEntry, iae.getMessage());
                    } catch (java.lang.RuntimeException e) {
                        closeExistingOffice();
                        tEnv = getEnv(entry, m_aParams);
                        tCase = tEnv.getTestCase();
                        if (countInterfaceTestRun < 2) {
                            finished = false;
                        } else {
                            Summarizer.summarizeDown(aSubEntry, e.toString()
                                    + ".FAILED");
                        }
                    }
                }
                setState(aSubEntry, res);

                sumIt.summarizeUp(aSubEntry);

                LogWriter sumIfc = OutProducerFactory
                        .createOutProducer(m_aParams);
                aSubEntry.UserDefinedParams = m_aParams;
                sumIfc.initialize(aSubEntry, logging);
                sumIfc.summary(aSubEntry);
            }

            try {
                if (!keepdocument) {
                    tCase.cleanupTestCase(m_aParams);
                }
            } catch (Exception e) {
                System.err.println("couldn't cleanup:" + e.toString());
            } catch (java.lang.NoClassDefFoundError e) {
                System.err.println("couldn't cleanup:" + e.toString());
            }

            sumIt.summarizeUp(entry);

            LogWriter sumObj = OutProducerFactory.createOutProducer(m_aParams);

            sumObj.initialize(entry, logging);
            sumObj.summary(entry);
        }

        if (entries.length > 0) {
            System.out.println();

            int counter = 0;
            System.out
                    .println("Failures that appeared during scenario execution:");

            for (int i = 0; i < entries.length; i++) {
                final String sState = entries[i].State;
                if (!sState.endsWith("OK")) {
                    System.out.println("\t " + entries[i].longName);
                    counter++;
                }
            }

            System.out.println(counter + " of " + entries.length
                    + " tests failed");
            if (counter != 0) {
                retValue = false;
            }
        }

        closeExistingOffice();
        return retValue;
    }

    private TestEnvironment getTestEnvironment(TestCase tCase, DescEntry entry) {
        TestEnvironment tEnv = null;

        try {
            tEnv = tCase.getTestEnvironment(m_aParams);
        } catch (Exception e) {
            System.out.println("Exception while creating "
                    + tCase.getObjectName());
            System.out.println("Message " + e.getMessage());
            e.printStackTrace();
            tEnv = null;
        } catch (java.lang.UnsatisfiedLinkError e) {
            System.out.println("Exception while creating "
                    + tCase.getObjectName());
            System.out.println("Message " + e.getMessage());
            tEnv = null;
        } catch (java.lang.NoClassDefFoundError e) {
            System.out.println("Exception while creating "
                    + tCase.getObjectName());
            System.out.println("Message " + e.getMessage());
            tEnv = null;
        }

        if (tEnv == null) {
            Summarizer.summarizeDown(entry,
                    "Couldn't create " + tCase.getObjectName());

            LogWriter sumObj = OutProducerFactory.createOutProducer(m_aParams);
            entry.UserDefinedParams = m_aParams;
            sumObj.initialize(entry, logging);
            sumObj.summary(entry);
        }
        return tEnv;
    }

    private TestCase getTestCase(DescEntry _aEntry) {
        TestCase tCase = null;

        try {
            tCase = (TestCase) m_aDynamicClassLoader.getInstance("mod._"
                    + _aEntry.entryName);
        } catch (java.lang.IllegalArgumentException ie) {
            _aEntry.ErrorMsg = ie.getMessage();
            _aEntry.hasErrorMsg = true;
        } catch (java.lang.NoClassDefFoundError ie) {
            _aEntry.ErrorMsg = ie.getMessage();
            _aEntry.hasErrorMsg = true;
        }

        if (tCase == null) {
            Summarizer.summarizeDown(_aEntry, _aEntry.ErrorMsg);

            LogWriter sumObj = OutProducerFactory.createOutProducer(m_aParams);
            _aEntry.UserDefinedParams = m_aParams;
            sumObj.initialize(_aEntry, logging);
            sumObj.summary(_aEntry);
        }
        return tCase;
    }

    private void setState(DescEntry aSubEntry, lib.TestResult res) {
        if (res != null) {
            for (int k = 0; k < aSubEntry.SubEntryCount; k++) {
                DescEntry aSubSubEntry = aSubEntry.SubEntries[k];
                if (res.hasMethod(aSubSubEntry.entryName)) {
                    aSubSubEntry.State = res.getStatusFor(
                            aSubSubEntry.entryName).toString();
                }
            }
        }
    }

    private TestEnvironment getEnv(DescEntry entry, TestParameters param) throws Exception {
        TestCase tCase = null;

        try {
            tCase = (TestCase) m_aDynamicClassLoader.getInstance("mod._"
                    + entry.entryName);
        } catch (java.lang.IllegalArgumentException ie) {
            entry.ErrorMsg = ie.getMessage();
            entry.hasErrorMsg = true;
        } catch (java.lang.NoClassDefFoundError ie) {
            entry.ErrorMsg = ie.getMessage();
            entry.hasErrorMsg = true;
        }

        System.out.println("Creating: " + entry.entryName);

        entry.UserDefinedParams = param;

        LogWriter log = (LogWriter) m_aDynamicClassLoader
                .getInstance((String) param.get("LogWriter"));
        log.initialize(entry, logging);
        tCase.setLogWriter((PrintWriter) log);

        try {
            tCase.initializeTestCase(param);
            TestEnvironment tEnv = tCase.getTestEnvironment(param);
            if (tEnv == null) {
                throw new Exception("Could not get env for '" + entry.entryName + "'");
            }
            return tEnv;
        } catch (com.sun.star.lang.DisposedException de) {
            System.out.println("Office disposed");
            closeExistingOffice();
            throw de;
        } catch (Exception e) {
            System.out.println(e.getMessage());

            closeExistingOffice();

            entry.ErrorMsg = e.getMessage();
            entry.hasErrorMsg = true;
            throw e;
        }
    }

    private void closeExistingOffice() {
        helper.ProcessHandler ph = (helper.ProcessHandler) m_aParams
                .get("AppProvider");

        if (ph != null) {
            m_aOffice.closeExistingOffice(m_aParams, true);
            util.utils.pause(5000);
        }

    }

    private ArrayList<String> getExclusionList(String url, boolean debug) {
        ArrayList<String> entryList = new ArrayList<String>();
        String line = "#";
        BufferedReader exclusion = null;

        try {
            InputStreamReader reader = new InputStreamReader(new FileInputStream(url), "UTF-8");
            exclusion = new BufferedReader(reader);
        } catch (java.io.UnsupportedEncodingException uee) {
            if (debug) {
                System.out.println("Couldn't decode file " + url);
            }

            return entryList;
        } catch (java.io.FileNotFoundException fnfe) {
            if (debug) {
                System.out.println("Couldn't find file " + url);
            }

            return entryList;
        }

        try {
            while (line != null) {
                try {
                    if (!line.startsWith("#") && (line.length() > 1)) {
                        entryList.add(line.trim());
                    }

                    line = exclusion.readLine();
                } catch (java.io.IOException ioe) {
                    if (debug) {
                        System.out
                                .println("Exception while reading exclusion list");
                    }

                    return entryList;
                }
            }
        } finally {
            try {
                exclusion.close();
            } catch (java.io.IOException ioe) {
            }
        }

        return entryList;
    }

    private TestResult executeInterfaceTest(DescEntry entry,
            TestEnvironment tEnv, TestParameters param)
            throws IllegalArgumentException, java.lang.NoClassDefFoundError {
        MultiMethodTest ifc = (MultiMethodTest) m_aDynamicClassLoader
                .getInstance(entry.entryName);
        return ifc.run(entry, tEnv, param);
    }

    private AppProvider startOffice(lib.TestParameters param) throws UnsupportedEncodingException {
        if (m_aDynamicClassLoader == null) {
            m_aDynamicClassLoader = new DynamicClassLoader();
        }

        String officeProviderName = (String) param.get("OfficeProvider");
        AppProvider office = (AppProvider) m_aDynamicClassLoader
                .getInstance(officeProviderName);

        if (office == null) {
            System.out.println("ERROR: Wrong parameter 'OfficeProvider', "
                    + " it cannot be instantiated.");
            System.exit(-1);
        }

        XMultiServiceFactory msf = (XMultiServiceFactory) office
                .getManager(param);

        if (msf != null) {
            param.put("ServiceFactory", msf);
        }

        return office;
    }
}