/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.gatein.pc.test.unit;

import jakarta.servlet.ServletContext;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.HashSet;

/**
 * A sequence of test actions.
 *
 */
public class PortletTestCase
{

   /** The test case name. */
   private final String name;

   /** . */
   private final ServletContext context;

   /** . */
   private final Map<Key, TestAction> bindings;

   public PortletTestCase(String name, ServletContext context)
   {
      if (name == null)
      {
         throw new IllegalArgumentException("Test case name must be provided");
      }

      //
      this.name = name;
      this.context = context;
      this.bindings = new HashMap<Key, TestAction>();
   }

   public String getName()
   {
      return name;
   }

   public ServletContext getContext()
   {
      return context;
   }

   public void bindAction(JoinPoint joinPoint, TestAction action)
   {
      internalBind(null, joinPoint, action);
   }

   public void bindAction(int requestCount, JoinPoint joinPoint, TestAction action)
   {
      internalBind(requestCount, joinPoint, action);
   }

   private void internalBind(Integer count, JoinPoint joinPoint, TestAction action)
   {
      if (action == null)
      {
         throw new IllegalArgumentException("Action can't be null");
      }

      // Check any global binding first
      if (bindings.containsKey(new Key(joinPoint)))
      {
         throw new IllegalStateException("Action for this joinpoint already defined globally");
      }

      //
      Key key = new Key(count, joinPoint);

      //
      if (bindings.containsKey(key))
      {
         throw new IllegalStateException("Action " + key + " for this joinpoint already defined in provided request count");
      }
      else
      {
         bindings.put(key, action);
      }
   }

   public String getActorId(int count, JoinPointType joinPointType)
   {
      for (Key key : bindings.keySet())
      {
         if (key.joinPoint.getType() == joinPointType)
         {
            if (key.count == null || key.count == count)
            {
               return key.joinPoint.getActorId();
            }
         }
      }
      return null;
   }

   public Set<JoinPoint> getJoinPoints(int count)
   {
      Set<JoinPoint> joinPoints = new HashSet<JoinPoint>();
      for (Key key : bindings.keySet())
      {
         if (key.count == count)
         {
            joinPoints.add(key.joinPoint);
         }
      }
      return joinPoints;
   }

   public TestAction getAction(int count, JoinPoint joinPoint)
   {
      // Try a timed action
      TestAction action = bindings.get(new Key(count, joinPoint));

      // Try a global action
      if (action == null)
      {
         action = bindings.get(new Key(joinPoint));
      }

      //
      return action;
   }

   private static class Key
   {

      /** . */
      private final Integer count;

      /** . */
      private final JoinPoint joinPoint;

      public Key(JoinPoint joinPoint)
      {
         this(null, joinPoint);
      }

      public Key(Integer count, JoinPoint joinPoint)
      {
         if (count != null && count < 0)
         {
            throw new IllegalArgumentException("Count value must be positive was " + count);
         }
         if (joinPoint == null)
         {
            throw new IllegalArgumentException("Joinpoint can't be null");
         }
         this.count = count;
         this.joinPoint = joinPoint;
      }

      public boolean equals(Object o)
      {
         if (this == o)
         {
            return true;
         }
         if (o instanceof Key)
         {
            Key that = (Key)o;
            return (this.count == null ? that.count == null : this.count.equals(that.count)) && this.joinPoint.equals(that.joinPoint);
         }
         return false;
      }

      public int hashCode()
      {
         int result;
         result = count != null ? count : 0;
         result = 29 * result + joinPoint.hashCode();
         return result;
      }

      @Override
      public String toString()
      {
         return getClass().getSimpleName() + "[count=" + count + ",jointPoint=" + joinPoint + "]";
      }
   }
}
