/*
    * Copyright 2009 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.kuali.student.contract.writer.service;
  
  
  import org.kuali.student.contract.model.ServiceContractModel;
  import org.kuali.student.contract.model.ServiceMethod;
  import org.kuali.student.contract.model.ServiceMethodError;
  import org.kuali.student.contract.model.ServiceMethodParameter;
  import org.kuali.student.contract.model.XmlType;
  import org.kuali.student.contract.model.util.ModelFinder;
  import org.kuali.student.contract.writer.JavaClassWriter;
  
  /**
   *
   * @author nwright
   */
  public class EachMethodServiceWriterForOneMethod extends JavaClassWriter {
  
      private ServiceContractModel model;
      private ModelFinder finder;
      private String directory;
      private String rootPackage;
      private String servKey;
      private ServiceMethod method;
  
      public EachMethodServiceWriterForOneMethod(ServiceContractModel model,
              String directory,
              String rootPackage,
              String servKey,
              ServiceMethod method) {
          super(directory, calcPackage(servKey, rootPackage), calcClassName(servKey, method));
          this.model = model;
          this.finder = new ModelFinder(model);
          this.directory = directory;
          this.rootPackage = rootPackage;
          this.servKey = servKey;
          this.method = method;
      }
  
      public static String calcPackage(String servKey, String rootPackage) {
          String pack = rootPackage + "." + servKey.toLowerCase() + ".";
  //  StringBuffer buf = new StringBuffer (service.getVersion ().length ());
  //  for (int i = 0; i < service.getVersion ().length (); i ++)
  //  {
  //   char c = service.getVersion ().charAt (i);
  //   c = Character.toLowerCase (c);
  //   if (Character.isLetter (c))
  //   {
  //    buf.append (c);
  //    continue;
  //   }
  //   if (Character.isDigit (c))
  //   {
  //    buf.append (c);
  //   }
  //  }
  //  pack = pack + buf.toString ();
          pack = pack + "service.methods";
          return pack;
      }
      
      public static String initUpper (String str) {
          return GetterSetterNameCalculator.calcInitUpper(str);
      }
  
      public static String calcClassName(String servKey, ServiceMethod method) {
  //        initUpper (servKey) + "Service" + 
          return initUpper(method.getName() + "ServiceMethod");
      }
  
      /**
       * Write out the entire file
       * @param out
       */
      public void write() {
          indentPrintln("public interface " + calcClassName(servKey, method));
          openBrace();
  
  
          indentPrintln("");
          indentPrintln("/**");
          indentPrintWrappedComment(method.getDescription());
          indentPrintln("* ");
          for (ServiceMethodParameter param : method.getParameters()) {
              indentPrintWrappedComment("@param " + param.getName() + " - "
                     + param.getType() + " - "
                     + param.getDescription());
         }
         indentPrintWrappedComment("@return " + method.getReturnValue().
                 getDescription());
         indentPrintln("*/");
         String type = method.getReturnValue().getType();
         String realType = stripList(type);
         indentPrint("public " + calcType(type, realType) + " " + method.getName()
                 + "(");
         // now do parameters
         String comma = "";
         for (ServiceMethodParameter param : method.getParameters()) {
             type = param.getType();
             realType = stripList(type);
             print(comma);
             print(calcType(type, realType));
             print(" ");
             print(param.getName());
             comma = ", ";
         }
         println(")");
         // now do exceptions
         comma = "throws ";
         incrementIndent();
         for (ServiceMethodError error : method.getErrors()) {
             indentPrint(comma);
             String exceptionClassName = calcExceptionClassName(error);
             String exceptionPackageName = this.calcExceptionPackageName(error);
             println(exceptionClassName);
             this.importsAdd(exceptionPackageName + "." + exceptionClassName);
             comma = "      ,";
         }
         decrementIndent();
         indentPrintln(";");
 
 
         closeBrace();
 
         this.writeJavaClassAndImportsOutToFile();
         this.getOut().close();
     }
 
     private String stripList(String str) {
         return GetterSetterNameCalculator.stripList(str);
     }
 
     private String calcExceptionClassName(ServiceMethodError error) {
         if (error.getClassName() == null) {
             return ServiceExceptionWriter.calcClassName(error.getType());
         }
         return error.getClassName();
     }
 
     private String calcExceptionPackageName(ServiceMethodError error) {
         if (error.getClassName() == null) {
             return ServiceExceptionWriter.calcPackage(rootPackage);
         }
         return error.getPackageName();
     }
 
     private String calcType(String type, String realType) {
         XmlType t = finder.findXmlType(this.stripList(type));
         String pckName = t.getJavaPackage();
         return MessageStructureTypeCalculator.calculate(this, model, type, realType,
                 pckName);
     }
 }