/*
 *
 *  * ============LICENSE_START=======================================================
 *  *  org.onap.dcae
 *  *  ================================================================================
 *  *  Copyright (c) 2020  AT&T Intellectual Property. All rights reserved.
 *  *  ================================================================================
 *  *  Licensed 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.
 *  *  ============LICENSE_END=========================================================
 *
 *
 */

package org.onap.blueprintgenerator.service.base;

import org.onap.blueprintgenerator.exception.FixesException;
import org.springframework.stereotype.Service;


import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.io.FileReader;
import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * @author : Ravi Mantena
 * @date 10/16/2020
 * Application: DCAE/ONAP - Blueprint Generator
 * Common Module: Used by both ONAp and DCAE Blueprint Applications
 * Service: For Blueprint Quotes Fixes
 */

@Service
public class FixesService {

 public void fixDcaeSingleQuotes(File file) {
  List<String> lines = new ArrayList<>();
  try {
 FileReader fr = new FileReader(file);
 BufferedReader br = new BufferedReader(fr);
 for (String line = br.readLine(); line != null; line = br.readLine()){
  if(line.contains("'")) {
   line = line.replaceAll("'\\{", "{");
   line = line.replaceAll("}'", "}");
   line = line.replaceAll("'\\[", "[");
   line = line.replaceAll("]'", "]");
   line = line.replaceAll("'''''", "'");
   line = line.replaceAll("'''", "'");
   line = line.replaceAll("'''", "");
   line = line.replaceAll("''\\{", "'{");
   line = line.replaceAll("}''", "}'");
   line = line.replaceAll("''\\[", "'[");
   line = line.replaceAll("]''", "]'");
   line = line.replaceAll("\"''", "'");
   line = line.replaceAll("''\"", "'");
  }
  if(line.contains("get_input") || line.contains("get_secret") || line.contains("envs"))
   line = line.replaceAll("'", "");

  lines.add(line);
 }

 fr.close();
 br.close();

 FileWriter fw = new FileWriter(file);
 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(file, true)));
 for(String s: lines) {
  out.println();
  out.write(s);
  out.flush();
 }
 out.close();
 fw.close();
  } catch (Exception e) {
 throw new FixesException("Unable to Fix Single Quotes in Final DCAE Blueprint", e);
  }
 }

 public String fixStringQuotes(String string) {
  String sLines[] = string.split("\n");
  String ret = "";
  for(String line: sLines) {
 if(line.contains("get_input") || line.contains("get_secret") || ((line.contains("concat") || line.contains("default: ") || line.contains("description") || line.contains("dmaap") || line.contains(".\"'")) && line.contains("'")))
  line = line.replaceAll("'", "");

 if(line.contains("'")) {
  line = line.replaceAll("'\\{", "{");
  line = line.replaceAll("}'", "}");
  line = line.replaceAll("'\\[", "[");
  line = line.replaceAll("]'", "]");
  line = line.replaceAll("'''''", "'");
  line = line.replaceAll("'''", "'");
  line = line.replaceAll("'''", "");
  line = line.replaceAll("''\\{", "'{");
  line = line.replaceAll("}''", "}'");
  line = line.replaceAll("''\\[", "'[");
  line = line.replaceAll("]''", "]'");
  line = line.replaceAll("\"''", "'");
  line = line.replaceAll("''\"", "'");
 }
 ret = ret + "\n" + line;
  }
  return ret;
 }

 public void fixOnapSingleQuotes(File file)  {
  List<String> lines = new ArrayList<>();
  try {
 FileReader fr = new FileReader(file);
 BufferedReader br = new BufferedReader(fr);
 for (String line = br.readLine(); line != null; line = br.readLine()){
  if(line.contains("'")) {
   line = line.replace("'", "");
  }
  if(line.contains("\"\"") && (line.contains("m") || line.contains("M"))) {
   line = line.replaceAll("\"\"", "\"");
  }
  lines.add(line);

 }
 fr.close();
 br.close();
 FileWriter fw = new FileWriter(file);
 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(file, true)));
 for(String s: lines) {
  out.println();
  out.write(s);
  out.flush();
 }

 out.close();
 fw.close();

  } catch (Exception e) {
 throw new FixesException("Unable to Fix Single Quotes in final ONAP Blueprint", e);
  }
 }

 private String ensureNoSingleQuotes(String line) {
  if ((line.contains("concat") || line.contains("default: ") || line.contains("description") || line.contains("dmaap") || line.contains(".\"'")) && line.contains("'"))
 return line.replace("'", "");
  else
 return line;
 }

 public String applyFixes(String bp) {
  List<String> lines = new ArrayList<>();
  String[] linesPre = bp.split("\n");
  for (String line : linesPre) {
 lines.add(ensureNoSingleQuotes(line));
  }
  return String.join("\n", lines);
 }
 
}