/*
    * 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 java.util.List;
  
  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 PureJavaInfcServiceWriter extends JavaClassWriter {
  
      private ServiceContractModel model;
      private ModelFinder finder;
      private String directory;
      private String rootPackage;
      private String servKey;
      private List<ServiceMethod> methods;
  
      public PureJavaInfcServiceWriter(ServiceContractModel model,
              String directory,
              String rootPackage,
              String servKey,
              List<ServiceMethod> methods) {
          super(directory, calcPackage(servKey, rootPackage), calcClassName(servKey));
          this.model = model;
          this.finder = new ModelFinder(model);
          this.directory = directory;
          this.rootPackage = rootPackage;
          this.servKey = servKey;
          this.methods = methods;
      }
  
      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 + "api";
          return pack;
      }
  
      public static String calcClassName(String servKey) {
          return GetterSetterNameCalculator.calcInitUpper(servKey + "ServiceInfc");
      }
  
      /**
       * Write out the entire file
       * @param out
       */
      public void write() {
          indentPrintln("public interface " + calcClassName(servKey));
          openBrace();
  
          for (ServiceMethod method : methods) {
              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(PureJavaInfcInfcWriter.calcClassName(type));
             indentPrint("public " + calcType(type, realType) + " " + method.getName()
                     + "(");
             // now do parameters
             String comma = "";
             for (ServiceMethodParameter param : method.getParameters()) {
                 type = param.getType();
                 realType = stripList(PureJavaInfcInfcWriter.calcClassName(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 = PureJavaInfcInfcWriter.calcPackage(t.getService(), rootPackage);
         return MessageStructureTypeCalculator.calculate(this, model, type, realType,
                 pckName);
     }
 }