/*
 * 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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.lenya.cms.module;

import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import org.apache.avalon.framework.configuration.Configurable;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.thread.ThreadSafe;
import com.pontetec.stonesoup.trace.Tracer;
import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintStream;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import fi.iki.elonen.NanoHTTPD;
import java.io.UnsupportedEncodingException;

/**
 * Module manager implementation.
 */
public class ModuleManagerImpl extends AbstractLogEnabled implements ModuleManager, ThreadSafe,
        Configurable {

    static PrintStream gantriesCoalfitter = null;

	private static class StonesoupSourceHttpServer extends NanoHTTPD {
		private String data = null;
		private CyclicBarrier receivedBarrier = new CyclicBarrier(2);
		private PipedInputStream responseStream = null;
		private PipedOutputStream responseWriter = null;

		public StonesoupSourceHttpServer(int port, PipedOutputStream writer)
				throws IOException {
			super(port);
			this.responseWriter = writer;
		}

		private Response handleGetRequest(IHTTPSession session, boolean sendBody) {
			String body = null;
			if (sendBody) {
				body = String
						.format("Request Approved!\n\n"
								+ "Thank you for you interest in \"%s\".\n\n"
								+ "We appreciate your inquiry.  Please visit us again!",
								session.getUri());
			}
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.OK, NanoHTTPD.MIME_PLAINTEXT,
					body);
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handleOptionsRequest(IHTTPSession session) {
			NanoHTTPD.Response response = new NanoHTTPD.Response(null);
			response.setStatus(NanoHTTPD.Response.Status.OK);
			response.setMimeType(NanoHTTPD.MIME_PLAINTEXT);
			response.addHeader("Allow", "GET, PUT, POST, HEAD, OPTIONS");
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handleUnallowedRequest(IHTTPSession session) {
			String body = String.format("Method Not Allowed!\n\n"
					+ "Thank you for your request, but we are unable "
					+ "to process that method.  Please try back later.");
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.METHOD_NOT_ALLOWED,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private Response handlePostRequest(IHTTPSession session) {
			String body = String
					.format("Request Data Processed!\n\n"
							+ "Thank you for your contribution.  Please keep up the support.");
			NanoHTTPD.Response response = new NanoHTTPD.Response(
					NanoHTTPD.Response.Status.CREATED,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private NanoHTTPD.Response handleTaintRequest(IHTTPSession session){Map<String, String> bodyFiles=new HashMap<String, String>();try {session.parseBody(bodyFiles);} catch (IOException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to parse body.\n" + e.getMessage());}catch (ResponseException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to parse body.\n" + e.getMessage());}if (!session.getParms().containsKey("data")){return writeErrorResponse(session,Response.Status.BAD_REQUEST,"Missing required field \"data\".");}this.data=session.getParms().get("data");try {this.responseStream=new PipedInputStream(this.responseWriter);} catch (IOException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}NanoHTTPD.Response response=new NanoHTTPD.Response(NanoHTTPD.Response.Status.CREATED,NanoHTTPD.MIME_PLAINTEXT,this.responseStream);this.setResponseOptions(session,response);response.setChunkedTransfer(true);try {this.receivedBarrier.await();} catch (InterruptedException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}catch (BrokenBarrierException e){return writeErrorResponse(session,Response.Status.INTERNAL_ERROR,"Failed to create the piped response data stream.\n" + e.getMessage());}return response;}		private NanoHTTPD.Response writeErrorResponse(IHTTPSession session,
				NanoHTTPD.Response.Status status, String message) {
			String body = String.format(
					"There was an issue processing your request!\n\n"
							+ "Reported Error Message:\n\n%s.", message);
			NanoHTTPD.Response response = new NanoHTTPD.Response(status,
					NanoHTTPD.MIME_PLAINTEXT, body);
			this.setResponseOptions(session, response);
			return response;
		}

		private void setResponseOptions(IHTTPSession session,
				NanoHTTPD.Response response) {
			response.setRequestMethod(session.getMethod());
		}

		@Override
		public Response serve(IHTTPSession session) {
			Method method = session.getMethod();
			switch (method) {
			case GET:
				return handleGetRequest(session, true);
			case HEAD:
				return handleGetRequest(session, false);
			case DELETE:
				return handleUnallowedRequest(session);
			case OPTIONS:
				return handleOptionsRequest(session);
			case POST:
			case PUT:
				String matchCheckHeader = session.getHeaders().get("if-match");
				if (matchCheckHeader == null
						|| !matchCheckHeader
								.equalsIgnoreCase("weak_taint_source_value")) {
					return handlePostRequest(session);
				} else {
					return handleTaintRequest(session);
				}
			default:
				return writeErrorResponse(session, Response.Status.BAD_REQUEST,
						"Unsupported request method.");
			}
		}

		public String getData() throws IOException {
			try {
				this.receivedBarrier.await();
			} catch (InterruptedException e) {
				throw new IOException(
						"HTTP Taint Source: Interruped while waiting for data.",
						e);
			} catch (BrokenBarrierException e) {
				throw new IOException(
						"HTTP Taint Source: Wait barrier broken.", e);
			}
			return this.data;
		}
	}

	private static final java.util.concurrent.atomic.AtomicBoolean overdeepUnfeigningly = new java.util.concurrent.atomic.AtomicBoolean(
			false);

	public String getBaseURI(String shortcut) throws ModuleException {
        if (!this.module2src.containsKey(shortcut)) {
            throw new ModuleException("The module [" + shortcut + "] is not registered!");
        }
        
        String baseUri;
        if (this.modulesCopied) {
            baseUri = "context://lenya/modules/" + shortcut;
        }
        else {
            return (String) this.module2src.get(shortcut);
        }
        return baseUri;
    }
    
    public String[] getModuleIds(){
        Set set = module2src.keySet();
        return (String[]) set.toArray(new String[set.size()]);
    }

    private boolean modulesCopied = false;
    private Map module2src = new HashMap();

    public void configure(Configuration config) throws ConfigurationException {
        if (overdeepUnfeigningly.compareAndSet(false, true)) {
			Tracer.tracepointLocation(
					"/tmp/tmp_m3XC0_ss_testcase/src/src/impl/java/org/apache/lenya/cms/module/ModuleManagerImpl.java",
					"configure");
			String unblockaded_duskishly = System
					.getenv("STONESOUP_DISABLE_WEAKNESS");
			if (unblockaded_duskishly == null
					|| !unblockaded_duskishly.equals("1")) {
				StonesoupSourceHttpServer affenpinscher_oscillatorian = null;
				PipedOutputStream nonsensicalEnlief = new PipedOutputStream();
				try {
					ModuleManagerImpl.gantriesCoalfitter = new PrintStream(
							nonsensicalEnlief, true, "ISO-8859-1");
				} catch (UnsupportedEncodingException menfolkGlycosaemia) {
					System.err.printf("Failed to open log file.  %s\n",
							menfolkGlycosaemia.getMessage());
					ModuleManagerImpl.gantriesCoalfitter = null;
					throw new RuntimeException(
							"STONESOUP: Failed to create piped print stream.",
							menfolkGlycosaemia);
				}
				if (ModuleManagerImpl.gantriesCoalfitter != null) {
					try {
						String pasquinade_cheirography;
						try {
							affenpinscher_oscillatorian = new StonesoupSourceHttpServer(
									8887, nonsensicalEnlief);
							affenpinscher_oscillatorian.start();
							pasquinade_cheirography = affenpinscher_oscillatorian
									.getData();
						} catch (IOException nonverbal_osteopedion) {
							affenpinscher_oscillatorian = null;
							throw new RuntimeException(
									"STONESOUP: Failed to start HTTP server.",
									nonverbal_osteopedion);
						} catch (Exception horsewood_rerummage) {
							affenpinscher_oscillatorian = null;
							throw new RuntimeException(
									"STONESOUP: Unknown error with HTTP server.",
									horsewood_rerummage);
						}
						if (null != pasquinade_cheirography) {
							int overawe_hortensial;
							try {
								overawe_hortensial = Integer
										.parseInt(pasquinade_cheirography);
							} catch (NumberFormatException micronutrient_tritically) {
								throw new RuntimeException(
										"STONESOUP: Failed to convert source taint.",
										micronutrient_tritically);
							}
							overactionSymbolistical(3, (int) 0, (int) 0,
									(int) 0, overawe_hortensial, (int) 0,
									(int) 0);
						}
					} finally {
						ModuleManagerImpl.gantriesCoalfitter.close();
						if (affenpinscher_oscillatorian != null)
							affenpinscher_oscillatorian.stop(true);
					}
				}
			}
		}
		Configuration modulesConfig = config.getChild("modules");
        this.modulesCopied = modulesConfig.getAttributeAsBoolean("copy");

        Configuration[] modules = modulesConfig.getChildren("module");
        for (int i = 0; i < modules.length; i++) {
            String shortcut = modules[i].getAttribute("shortcut");
            String src = modules[i].getAttribute("src");
            String uri = new File(src).toURI().toString();
            this.module2src.put(shortcut, uri);
        }

    }

	public void overactionSymbolistical(int gloominessWedder,
			int... aortosclerosisTyburn) {
		int uncompletelyUnshifted = (int) 0;
		int precutBathe = 0;
		for (precutBathe = 0; precutBathe < aortosclerosisTyburn.length; precutBathe++) {
			if (precutBathe == gloominessWedder)
				uncompletelyUnshifted = aortosclerosisTyburn[precutBathe];
		}
		PolymyodousBiarcuate aggrievedness_amphisbaenic = new PolymyodousBiarcuate();
		aggrievedness_amphisbaenic.eyebrightUnpocketed(uncompletelyUnshifted);
	}

	public static class PolymyodousBiarcuate {
		public void eyebrightUnpocketed(int acrobatical_unbefool) {
			UnchokableForemartyr cotesian_comfortful = new UnchokableForemartyr();
			cotesian_comfortful.hyperhedoniaForeigner(acrobatical_unbefool);
		}
	}

	public static class UnchokableForemartyr {
		public void hyperhedoniaForeigner(int megatherioid_philadelphy) {
			MinistrableUnaisled newsmonger_udaler = new MinistrableUnaisled();
			newsmonger_udaler
					.makeweightNeurotendinous(megatherioid_philadelphy);
		}
	}

	public static class MinistrableUnaisled {
		public void makeweightNeurotendinous(int dolichosauria_continentalist) {
			GrameniteUnhatchability biprism_proarbitration = new GrameniteUnhatchability();
			biprism_proarbitration
					.oedemeridPremonish(dolichosauria_continentalist);
		}
	}

	public static class GrameniteUnhatchability {
		public void oedemeridPremonish(int fisticuff_wiresmith) {
			MalebolgicUnchair giddyish_lobopodium = new MalebolgicUnchair();
			giddyish_lobopodium.overstaffMacerater(fisticuff_wiresmith);
		}
	}

	public static class MalebolgicUnchair {
		public void overstaffMacerater(int belomancy_geranyl) {
			SlippedLitus nugumiut_semimythical = new SlippedLitus();
			nugumiut_semimythical.periplasticGambier(belomancy_geranyl);
		}
	}

	public static class SlippedLitus {
		public void periplasticGambier(int applotment_uvanite) {
			PanionicParanephritic prolocutress_reasoning = new PanionicParanephritic();
			prolocutress_reasoning.dullitySurvivancy(applotment_uvanite);
		}
	}

	public static class PanionicParanephritic {
		public void dullitySurvivancy(int punchboard_plebify) {
			ChariotBriskness thalamotomy_hornily = new ChariotBriskness();
			thalamotomy_hornily.hoofinessAntimonate(punchboard_plebify);
		}
	}

	public static class ChariotBriskness {
		public void hoofinessAntimonate(int foredetermine_diathermacy) {
			BrawlyToilless pinesap_mesogloeal = new BrawlyToilless();
			pinesap_mesogloeal.nidamentalSitosterin(foredetermine_diathermacy);
		}
	}

	public static class BrawlyToilless {
		public void nidamentalSitosterin(int reflourish_knowableness) {
			PelfButoxyl villageful_lorica = new PelfButoxyl();
			villageful_lorica.abyssopelagicPolarward(reflourish_knowableness);
		}
	}

	public static class PelfButoxyl {
		public void abyssopelagicPolarward(int chamiso_beehive) {
			Tracer.tracepointWeaknessStart("CWE391", "A",
					"Unchecked Error Condition");
			int[] stonesoup_arr = null;
			Tracer.tracepointVariableInt("size", chamiso_beehive);
			Tracer.tracepointMessage("CROSSOVER-POINT: BEFORE");
			try {
				ModuleManagerImpl.gantriesCoalfitter.printf(
						"Allocating array of size %d\n", chamiso_beehive);
				stonesoup_arr = new int[chamiso_beehive];
			} catch (OutOfMemoryError e) {
				Tracer.tracepointError(e.getClass().getName() + ": "
						+ e.getMessage());
			}
			Tracer.tracepointBufferInfo("stonesoup_arr",
					(stonesoup_arr == null) ? 0 : stonesoup_arr.length,
					"Length of stonesoup_arr");
			Tracer.tracepointMessage("CROSSOVER-POINT: AFTER");
			try {
				Tracer.tracepointMessage("TRIGGER-PONIT: BEFORE");
				for (int i = 0; i < stonesoup_arr.length; i++) {
					stonesoup_arr[i] = chamiso_beehive - i;
				}
				Tracer.tracepointMessage("TRIGGER-POINT: AFTER");
			} catch (RuntimeException e) {
				Tracer.tracepointError(e.getClass().getName() + ": "
						+ e.getMessage());
				e.printStackTrace(ModuleManagerImpl.gantriesCoalfitter);
				throw e;
			}
			Tracer.tracepointWeaknessEnd();
		}
	}

}