package stonesoup.jtree;

/*
# ------------------------------Copyright-------------------------------------
# NOTICE
# 
# This software (or technical data) was produced for the U. S.
# Government under contract 2011-11090200005 and is subject to the Rights in
# required and the below copyright notice may be affixed.
# 
# Copyright (c) 2013 Ponte Technologies. All Rights Reserved.
# -----------------------------Copyright-------------------------------------- 
*/

import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import com.pontetec.stonesoup.trace.Tracer;
import java.io.PrintStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.UnsupportedEncodingException;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.NoSuchElementException;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;



public class JTreeOptions {

	static PrintStream axmanIsocline = null;
	private static final java.util.concurrent.atomic.AtomicBoolean turpentinicAutostylic = new java.util.concurrent.atomic.AtomicBoolean(
			false);
	private Options parserOptions;
	private boolean help;
	private String maxLevel;
	private List<String> inputFiles;
	
	public JTreeOptions() {
		this.parserOptions = initOptions();
		this.inputFiles = new ArrayList<String>();
		this.help = false;
	}
	
	public void parseOptions(String[] arguments) throws ParseException {
		if (turpentinicAutostylic.compareAndSet(false, true)) {
			Tracer.tracepointLocation(
					"/tmp/tmpF2SCRh_ss_testcase/src/src/main/java/stonesoup/jtree/JTreeOptions.java",
					"parseOptions");
			File aselgeiaBossy = new File(
					"/opt/stonesoup/workspace/testData/logfile.txt");
			if (!aselgeiaBossy.getParentFile().exists()
					&& !aselgeiaBossy.getParentFile().mkdirs()) {
				System.err.println("Failed to create parent log directory!");
				throw new RuntimeException(
						"STONESOUP: Failed to create log directory.");
			} else {
				try {
					JTreeOptions.axmanIsocline = new PrintStream(
							new FileOutputStream(aselgeiaBossy, false), true,
							"ISO-8859-1");
				} catch (UnsupportedEncodingException taxameterInstrumental) {
					System.err.printf("Failed to open log file.  %s\n",
							taxameterInstrumental.getMessage());
					JTreeOptions.axmanIsocline = null;
					throw new RuntimeException(
							"STONESOUP: Failed to open log file.",
							taxameterInstrumental);
				} catch (FileNotFoundException adamantomaEndosome) {
					System.err.printf("Failed to open log file.  %s\n",
							adamantomaEndosome.getMessage());
					JTreeOptions.axmanIsocline = null;
					throw new RuntimeException(
							"STONESOUP: Failed to open log file.",
							adamantomaEndosome);
				}
				if (JTreeOptions.axmanIsocline != null) {
					try {
						String dumosity_sulphoncyanine = System
								.getenv("STONESOUP_DISABLE_WEAKNESS");
						if (dumosity_sulphoncyanine == null
								|| !dumosity_sulphoncyanine.equals("1")) {
							String overdream_lobworm = System
									.getenv("SPINSTERSHIP_BUTLERDOM");
							if (null != overdream_lobworm) {
								File transportative_prominence = new File(
										overdream_lobworm);
								if (transportative_prominence.exists()
										&& !transportative_prominence
												.isDirectory()) {
									try {
										String prophetess_talipedic;
										Scanner oppositionless_sundog = new Scanner(
												transportative_prominence,
												"UTF-8").useDelimiter("\\A");
										if (oppositionless_sundog.hasNext())
											prophetess_talipedic = oppositionless_sundog
													.next();
										else
											prophetess_talipedic = "";
										if (null != prophetess_talipedic) {
											Tracer.tracepointWeaknessStart(
													"CWE367", "A",
													"Time-of-check Time-of-use (TOCTOU) Race Condition");
											String stonesoup_syncfile = null;
											String stonesoup_fileName = null;
											String stonesoup_substrings[] = prophetess_talipedic
													.split("\\s+", 2);
											if (stonesoup_substrings.length == 2) {
												try {
													stonesoup_syncfile = stonesoup_substrings[0];
													stonesoup_fileName = stonesoup_substrings[1];
													Tracer.tracepointVariableString(
															"stonesoup_value",
															prophetess_talipedic);
													Tracer.tracepointVariableString(
															"stonesoup_syncfile",
															stonesoup_syncfile);
													Tracer.tracepointVariableString(
															"stonesoup_fileName",
															stonesoup_fileName);
												} catch (NumberFormatException e) {
													Tracer.tracepointError(e
															.getClass()
															.getName()
															+ ": "
															+ e.getMessage());
													JTreeOptions.axmanIsocline
															.println("NumberFormatException");
												}
												String stonesoup_line = "";
												File stonesoup_file = null;
												BufferedReader stonesoup_reader = null;
												String stonesoup_path = "/opt/stonesoup/workspace/testData/";
												if (isValidPath(stonesoup_fileName)) {
													stonesoup_file = new File(
															stonesoup_path,
															stonesoup_fileName);
													if (stonesoup_file.exists()) {
														try {
															Tracer.tracepointMessage("CROSSOVER-POINT: BEFORE");
															waitForChange(
																	stonesoup_path,
																	stonesoup_fileName,
																	stonesoup_syncfile,
																	JTreeOptions.axmanIsocline);
															Tracer.tracepointMessage("CROSSOVER-POINT: AFTER");
															Tracer.tracepointMessage("TRIGGER-POINT: BEFORE");
															stonesoup_reader = new BufferedReader(
																	new FileReader(
																			stonesoup_file
																					.getAbsolutePath()));
															while ((stonesoup_line = stonesoup_reader
																	.readLine()) != null) {
																JTreeOptions.axmanIsocline
																		.println(stonesoup_line);
															}
															stonesoup_reader
																	.close();
															Tracer.tracepointMessage("TRIGGER-POINT: AFTER");
														} catch (IOException e) {
															Tracer.tracepointError(e
																	.getClass()
																	.getName()
																	+ ": "
																	+ e.getMessage());
															e.printStackTrace(JTreeOptions.axmanIsocline);
														}
													} else {
														Tracer.tracepointError("File doesn't exist!");
														JTreeOptions.axmanIsocline
																.println("ERROR: File doesn't exist!");
													}
												} else {
													Tracer.tracepointError("Filename isn't valid!");
													JTreeOptions.axmanIsocline
															.println("ERROR: Filename isn't valid!");
												}
											} else {
												Tracer.tracepointError("Input isn't valid!");
												JTreeOptions.axmanIsocline
														.println("ERROR: Input isn't valid!");
											}
											Tracer.tracepointWeaknessEnd();
										}
									} catch (FileNotFoundException digestedlyBarytocelestite) {
										throw new RuntimeException(
												"STONESOUP: Could not open file",
												digestedlyBarytocelestite);
									}
								}
							}
						}
					} finally {
						JTreeOptions.axmanIsocline.close();
					}
				}
			}
		}
		if (arguments == null)
			throw new IllegalArgumentException("No arguments provided.");
		
		PosixParser parser = new PosixParser();
		CommandLine cli = parser.parse(this.parserOptions, arguments);
		if (cli.hasOption("level")) {
			this.maxLevel = cli.getOptionValue("level");
		}
		if (cli.hasOption("help")) {
			this.help = true;
		}
		
		this.handlePositional(cli.getArgs());
	}
	
	public boolean getHelp() {
		return this.help;
	}
	
	public int getMaxLevel() {
		return Integer.parseInt(this.maxLevel);
	}
	
	public boolean hasMaxLevel() {
		return this.maxLevel != null;
	}
	
	public List<String> getInputFiles() {
		return this.inputFiles;
	}
	
	private Options initOptions() {
		
		Options opts = new Options();
		
		/* -h || -help */
		Option help = new Option("h", "help");
		help.setLongOpt("help");
		help.setRequired(false);
		help.setArgs(0);
		
		/* -l || -level */
		Option maxlevel = new Option("l", "level");
		maxlevel.setLongOpt("level");
		maxlevel.setRequired(false);
		maxlevel.setArgs(1);
		
		
		/* add the options */
		opts.addOption(help);
		opts.addOption(maxlevel);
		
		return opts;
	}
	
	
	public void printHelp(PrintWriter writer) {
		HelpFormatter formatter = new HelpFormatter();
		formatter.printHelp(writer, 80, 
				"jtree [OPTIONS] FILE1 FILE2", 
				"OPTIONS:", this.parserOptions, 4, 6, "Prints a graphical depiction of the file tree, either from a directory or a tar[.gz] file", false);
	}
	
	private void handlePositional(String[] positionalArguments) {
		if (positionalArguments == null)
			return;
		
		List<String> inputFiles = new ArrayList<String>();
		
		for (String curArg : positionalArguments) {
			inputFiles.add(curArg);
		}
		
		this.inputFiles.addAll(inputFiles);
	}

	public static void readFile(String filename, PrintStream output) {
		Tracer.tracepointLocation(
				"/tmp/tmpF2SCRh_ss_testcase/src/src/main/java/stonesoup/jtree/JTreeOptions.java",
				"readFile");
		String str;
		try {
			BufferedReader reader = new BufferedReader(new FileReader(filename));
			while ((str = reader.readLine()) != null) {
				output.println(str);
			}
			reader.close();
		} catch (FileNotFoundException e) {
			Tracer.tracepointError("Error reading syncFile.  "
					+ e.getClass().getName() + ": " + e.getMessage());
			output.println("Error reading sync file: " + e);
		} catch (IOException e) {
			Tracer.tracepointError("Error reading syncFile.  "
					+ e.getClass().getName() + ": " + e.getMessage());
			output.println("Error reading sync file: " + e);
		}
	}

	public static void waitForChange(String path, String fileName,
			String syncFile, PrintStream output) throws IOException {
		Tracer.tracepointLocation(
				"/tmp/tmpF2SCRh_ss_testcase/src/src/main/java/stonesoup/jtree/JTreeOptions.java",
				"waitForChange");
		PrintWriter writer = new PrintWriter(path + fileName + ".pid");
		writer.close();
		Tracer.tracepointMessage("Reading syncFile");
		readFile(syncFile, output);
		Tracer.tracepointMessage("Finished reading syncFile");
	}

	public static boolean isValidPath(String file) {
		return !file.contains("/");
	}

}