/*********************************************************************

 *                                                                   *

 * Copyright (c) 2007-2011 by Web-Deva.                              *

 * All rights reserved.                                              *

 *                                                                   *

 * This computer program is protected by copyright law and           *

 * international treaties. Unauthorized reproduction or distribution *

 * of this program, or any portion of it, may result in severe civil *

 * and criminal penalties, and will be prosecuted to the maximum     *

 * extent possible under the law.                                    *

 *                                                                   *

 *********************************************************************/

package com.shroggle.logic.forum;



import com.shroggle.presentation.forum.*;

import com.shroggle.exception.UnknownForumDispatchTypeException;

import com.shroggle.exception.MissingDispatchParameterException;



import javax.servlet.http.HttpServletRequest;

import javax.servlet.ServletException;

import java.io.IOException;

import java.util.Map;



/**

 * @author dmitry.solomadin

 */

public class ForumDispatchHelper {



    public ForumDispatchHelper(HttpServletRequest httpServletRequest) {

        this.httpServletRequest = httpServletRequest;

    }



    private ForumDispatchHelper() {

    }



    public String dispatch(final ForumDispatchType dispatch, final Integer widgetId, final Integer forumId,

                           final Integer subForumId, final Integer threadId, final Integer postId,

                           final boolean showOnUserPages, final boolean draftPostEdit) throws IOException, ServletException {

        final ForumDispatchRequest request = new ForumDispatchRequest();

        request.setDispatchForum(dispatch);

        request.setWidgetId(widgetId);

        request.setForumId(forumId);

        request.setSubForumId(subForumId);

        request.setThreadId(threadId);

        request.setPostId(postId);

        request.setShowOnUserPages(showOnUserPages);

        request.setDraftPostEdit(draftPostEdit);

        return dispatch(request);

    }



    public String dispatch(final ForumDispatchRequest request) throws IOException, ServletException {

        if (request.getWidgetId() == null) {

            throw new MissingDispatchParameterException("Cannot find parameter <widgetId> in dispatch request.");

        }



        if (request.isShowOnUserPages() == null){

            throw new MissingDispatchParameterException("Cannot find parameter <showOnUserPages> in dispatch request."); 

        }



        if (request.getDispatchForum() == ForumDispatchType.SHOW_FORUM) {

            final ShowForumService showForumService = new ShowForumService();



            return showForumService.execute(request.getForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_SUBFORUM) {

            final ShowSubForumService showSubForumService = new ShowSubForumService();



            return showSubForumService.execute(request.getSubForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        }  else if (request.getDispatchForum() == ForumDispatchType.SHOW_THREAD) {

            final ShowThreadService showThreadService = new ShowThreadService();



            return showThreadService.execute(request.getThreadId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_CREATE_SUBFORUM) {

            final CreateSubForumService createSubForumService = new CreateSubForumService();

            createSubForumService.setHttpServletRequest(httpServletRequest);



            return createSubForumService.showCreateSubForumForm(request.getForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_RENAME_SUBFORUM) {

            final CreateSubForumService createSubForumService = new CreateSubForumService();

            createSubForumService.setHttpServletRequest(httpServletRequest);



            return createSubForumService.showRenameSubForumForm(request.getSubForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_CREATE_THREAD) {

            final CreateThreadService createThreadService = new CreateThreadService();

            createThreadService.setRequest(httpServletRequest);



            return createThreadService.showCreateThreadForm(request.getSubForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_CREATE_POLL) {

            final CreateThreadService createThreadService = new CreateThreadService();

            createThreadService.setRequest(httpServletRequest);



            return createThreadService.showCreatePollForm(request.getSubForumId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_RENAME_THREAD) {

            final CreateThreadService createThreadService = new CreateThreadService();

            createThreadService.setRequest(httpServletRequest);



            return createThreadService.showRenameThreadForm(request.getThreadId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_RENAME_POLL) {

            final CreateThreadService createThreadService = new CreateThreadService();

            createThreadService.setRequest(httpServletRequest);



            return createThreadService.showRenamePollForm(request.getThreadId(), request.getWidgetId(),

                    request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_CREATE_POST) {

            final CreatePostService createPostService = new CreatePostService();

            createPostService.setHttpServletRequest(httpServletRequest);



            return createPostService.showCreatePostForm(false, false, request.getThreadId(), 0, false,

                    request.getWidgetId(), request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_EDIT_POST) {

            final CreatePostService createPostService = new CreatePostService();

            createPostService.setHttpServletRequest(httpServletRequest);



            return createPostService.showCreatePostForm(!request.isDraftPostEdit(), false, request.getThreadId(),

                    request.getPostId(), request.isDraftPostEdit(), request.getWidgetId(), request.isShowOnUserPages());

        } else if (request.getDispatchForum() == ForumDispatchType.SHOW_QUOTE_POST) {

            final CreatePostService createPostService = new CreatePostService();

            createPostService.setHttpServletRequest(httpServletRequest);



            return createPostService.showCreatePostForm(false, true, request.getThreadId(), request.getPostId(),

                    false, request.getWidgetId(), request.isShowOnUserPages());

        } else {

            throw new UnknownForumDispatchTypeException("Unknown forum dispatch type: " + request.getDispatchForum());

        }

    }



    public static String extractForumDispatchParameters(final Map<String, String[]> parameterMap) {

        String forumParameters = "";



        for (Map.Entry<String, String[]> entry : parameterMap.entrySet()) {

            if (entry.getKey().equals("dispatchForum")) {

                forumParameters += "&dispatchForum=" + entry.getValue()[0];

            } else if (entry.getKey().equals("subForumId")) {

                forumParameters += "&subForumId=" + entry.getValue()[0];

            } else if (entry.getKey().equals("threadId")) {

                forumParameters += "&threadId=" + entry.getValue()[0];

            } else if (entry.getKey().equals("postId")) {

                forumParameters += "&postId=" + entry.getValue()[0];

            } else if (entry.getKey().equals("draftPostEdit")) {

                forumParameters += "&draftPostEdit=" + entry.getValue()[0];

            } else if (entry.getKey().equals("widgetId")) {

                forumParameters += "&widgetId=" + entry.getValue()[0];

            }

        }



        return forumParameters;

    }



    private HttpServletRequest httpServletRequest;



}