/**
 * Copyright 2005-2016 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.opensource.org/licenses/ecl2.php
 *
 * 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.rice.krad.document;

import org.kuali.rice.krad.uif.view.RequestAuthorizationCache;
import org.kuali.rice.krad.uif.view.View;
import org.kuali.rice.krad.uif.view.ViewModel;
import org.kuali.rice.krad.uif.view.ViewPresentationControllerBase;
import org.kuali.rice.krad.util.KRADConstants;
import org.kuali.rice.krad.util.KRADUtils;
import org.kuali.rice.krad.web.form.DocumentFormBase;
import org.kuali.rice.krad.web.form.UifFormBase;

import java.util.HashSet;
import java.util.Set;

/**
 * Implementation of {@link org.kuali.rice.krad.uif.view.ViewPresentationController} for
 * {@link org.kuali.rice.krad.uif.view.DocumentView} instances
 *
 * <p>
 * Adds flags for various document actions like save, route, cancel
 * </p>
 *
 * <p>
 * By default delegates to the {@link DocumentPresentationController} configured for the document in the data dictionary
 * </p>
 *
 * @author Kuali Rice Team (rice.collab@kuali.org)
 */
public class DocumentViewPresentationControllerBase extends ViewPresentationControllerBase implements DocumentPresentationController {
    private static final long serialVersionUID = 1461173145806477758L;

    private DocumentPresentationController documentPresentationController;

    @Override
    public Set<String> getActionFlags(View view, UifFormBase model) {
        Set<String> documentActions = new HashSet<String>();

        Document document = ((DocumentFormBase) model).getDocument();

        DocumentRequestAuthorizationCache requestAuthorizationCache =
                (DocumentRequestAuthorizationCache) getRequestAuthorizationCache();

        if (canEdit(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_EDIT);
        }

        if (canAnnotate(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_ANNOTATE);
        }

        if (canClose(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_CLOSE);
        }

        if (canSave(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SAVE);
        }

        if (canRoute(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_ROUTE);
        }

        if (canCancel(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_CANCEL);
        }

        if (canReload(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_RELOAD);
        }

        if (canCopy(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_COPY);
        }

        if (canPerformRouteReport(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_PERFORM_ROUTE_REPORT);
        }

        if (canAddAdhocRequests(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_ADD_ADHOC_REQUESTS);
        }

        if (canBlanketApprove(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_BLANKET_APPROVE);
        }

        if (canApprove(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_APPROVE);
        }

        if (canDisapprove(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_DISAPPROVE);
        }

        if (canSendAdhocRequests(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SEND_ADHOC_REQUESTS);
        }

        if (canSendNoteFyi(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SEND_NOTE_FYI);
        }

        if (this.canEditDocumentOverview(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_EDIT_DOCUMENT_OVERVIEW);
        }

        if (canFyi(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_FYI);
        }

        if (canAcknowledge(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_ACKNOWLEDGE);
        }

        if (canComplete(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_COMPLETE);
        }

        if (canRecall(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_RECALL);
        }

        if (canSuperUserTakeAction(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SUPER_USER_TAKE_ACTION);
        }

        if (canSuperUserApprove(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SUPER_USER_APPROVE);
        }

        if (canSuperUserDisapprove(document)) {
            documentActions.add(KRADConstants.KUALI_ACTION_CAN_SUPER_USER_DISAPPROVE);
        }

        return documentActions;
    }

    public boolean canInitiate(String documentTypeName) {
        return getDocumentPresentationController().canInitiate(documentTypeName);
    }

    public boolean canEdit(Document document) {
        return getDocumentPresentationController().canEdit(document);
    }

    /**
     * Verify the document can be edited in addition to the view
     */
    @Override
    public boolean canEditView(View view, ViewModel model) {
        DocumentFormBase documentForm = (DocumentFormBase) model;

        return super.canEditView(view, model) && canEdit(documentForm.getDocument());
    }

    public boolean canAnnotate(Document document) {
        return getDocumentPresentationController().canAnnotate(document);
    }

    public boolean canReload(Document document) {
        return getDocumentPresentationController().canReload(document);
    }

    public boolean canClose(Document document) {
        return getDocumentPresentationController().canClose(document);
    }

    public boolean canSave(Document document) {
        return getDocumentPresentationController().canSave(document);
    }

    public boolean canRoute(Document document) {
        return getDocumentPresentationController().canRoute(document);
    }

    public boolean canCancel(Document document) {
        return getDocumentPresentationController().canCancel(document);
    }

    public boolean canRecall(Document document) {
        return getDocumentPresentationController().canRecall(document);
    }

    public boolean canCopy(Document document) {
        return getDocumentPresentationController().canCopy(document);
    }

    public boolean canPerformRouteReport(Document document) {
        return getDocumentPresentationController().canPerformRouteReport(document);
    }

    public boolean canAddAdhocRequests(Document document) {
        return getDocumentPresentationController().canAddAdhocRequests(document);
    }

    public boolean canBlanketApprove(Document document) {
        return getDocumentPresentationController().canBlanketApprove(document);
    }

    public boolean canApprove(Document document) {
        return getDocumentPresentationController().canApprove(document);
    }

    public boolean canDisapprove(Document document) {
        return getDocumentPresentationController().canDisapprove(document);
    }

    public boolean canSendAdhocRequests(Document document) {
        return getDocumentPresentationController().canSendAdhocRequests(document);
    }

    public boolean canSendNoteFyi(Document document) {
        return getDocumentPresentationController().canSendNoteFyi(document);
    }

    public boolean canEditDocumentOverview(Document document) {
        return getDocumentPresentationController().canEditDocumentOverview(document);
    }

    public boolean canFyi(Document document) {
        return getDocumentPresentationController().canFyi(document);
    }

    public boolean canAcknowledge(Document document) {
        return getDocumentPresentationController().canAcknowledge(document);
    }

    public boolean canComplete(Document document) {
        return getDocumentPresentationController().canComplete(document);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean canSuperUserTakeAction(Document document) {
        return getDocumentPresentationController().canSuperUserTakeAction(document);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean canSuperUserApprove(Document document) {
        return getDocumentPresentationController().canSuperUserApprove(document);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean canSuperUserDisapprove(Document document) {
        return getDocumentPresentationController().canSuperUserDisapprove(document);
    }

    public DocumentPresentationController getDocumentPresentationController() {
        return documentPresentationController;
    }

    public void setDocumentPresentationController(DocumentPresentationController documentPresentationController) {
        this.documentPresentationController = documentPresentationController;
    }

    public void setDocumentPresentationControllerClass(
            Class<? extends DocumentPresentationController> documentPresentationControllerClass) {
        this.documentPresentationController = KRADUtils.createNewObjectFromClass(documentPresentationControllerClass);
    }

    protected DocumentRequestAuthorizationCache getDocumentRequestAuthorizationCache(Document document) {
        if (getRequestAuthorizationCache() == null) {
            setRequestAuthorizationCache(new DocumentRequestAuthorizationCache());
        }

        DocumentRequestAuthorizationCache documentRequestAuthorizationCache =
                (DocumentRequestAuthorizationCache) getRequestAuthorizationCache();
        if (documentRequestAuthorizationCache.getWorkflowDocumentInfo() == null) {
            documentRequestAuthorizationCache.createWorkflowDocumentInfo(
                    document.getDocumentHeader().getWorkflowDocument());
        }

        return documentRequestAuthorizationCache;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setDocumentRequestAuthorizationCache(
            DocumentRequestAuthorizationCache documentRequestAuthorizationCache) {
          this.setRequestAuthorizationCache(documentRequestAuthorizationCache);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setRequestAuthorizationCache(RequestAuthorizationCache requestAuthorizationCache) {
        super.setRequestAuthorizationCache(requestAuthorizationCache);

        if (!(requestAuthorizationCache instanceof DocumentRequestAuthorizationCache)) {
            throw new RuntimeException(
                    "Request authorization cache should be instance of " + DocumentRequestAuthorizationCache.class
                            .getName());
        }

        getDocumentPresentationController().setDocumentRequestAuthorizationCache(
                (DocumentRequestAuthorizationCache) requestAuthorizationCache);
    }
}
