/*
 * Copyright (C) 2010 BloatIt. This file is part of BloatIt. BloatIt is free
 * software: you can redistribute it and/or modify it under the terms of the GNU
 * Affero General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 * BloatIt 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 Affero General Public License for more
 * details. You should have received a copy of the GNU Affero General Public
 * License along with BloatIt. If not, see <http://www.gnu.org/licenses/>.
 */
package com.bloatit.web.linkable.members;

import static com.bloatit.framework.webprocessor.context.Context.tr;

import com.bloatit.data.DaoTeamRight.UserTeamRight;
import com.bloatit.framework.exceptions.highlevel.ShallNotPassException;
import com.bloatit.framework.utils.FileConstraintChecker;
import com.bloatit.framework.webprocessor.annotations.NonOptional;
import com.bloatit.framework.webprocessor.annotations.ParamContainer;
import com.bloatit.framework.webprocessor.annotations.RequestParam;
import com.bloatit.framework.webprocessor.annotations.tr;
import com.bloatit.framework.webprocessor.context.Context;
import com.bloatit.framework.webprocessor.url.Url;
import com.bloatit.model.Member;
import com.bloatit.model.Team;
import com.bloatit.model.right.Action;
import com.bloatit.model.right.UnauthorizedPublicAccessException;
import com.bloatit.web.linkable.usercontent.UserContentAction;
import com.bloatit.web.url.ChangeAvatarActionUrl;

/**
 * A response to a form used to change user avatar
 */
@ParamContainer("member/dochangeavatar")
public final class ChangeAvatarAction extends UserContentAction {
    @NonOptional(@tr("An avatar must be linked to a member"))
    @RequestParam
    private final Member member;

    private final ChangeAvatarActionUrl url;

    public ChangeAvatarAction(final ChangeAvatarActionUrl url) {
        super(url, UserTeamRight.TALK);
        this.url = url;
        this.member = url.getMember();
    }

    @Override
    public Url doDoProcessRestricted(final Member me, final Team asTeam) {
        try {
            member.setAvatar(getFile());
            session.notifyGood(tr("Avatar change to ''{0}''", getAttachementFileName()));
        } catch (final UnauthorizedPublicAccessException e) {
            throw new ShallNotPassException(e);
        }
        return Context.getSession().pickPreferredPage();
    }

    @Override
    protected Url checkRightsAndEverything(final Member me) {
        if (member.canAccessAvatar(Action.WRITE)) {
            return NO_ERROR;
        }
        session.notifyGood(tr("You are not allowed to change this avatar."));
        return doProcessErrors();
    }

    @Override
    protected boolean verifyFile(final String filename) {
        final FileConstraintChecker fcc = new FileConstraintChecker(filename);
        if (fcc.isImageAvatar() != null) {
            for (final String message : fcc.isImageAvatar()) {
                session.notifyWarning(message);
            }
            return false;
        }
        return true;
    }

    @Override
    protected Url doProcessErrors() {
        return Context.getSession().pickPreferredPage();
    }

    @Override
    protected String getRefusalReason() {
        return Context.tr("You have to be logged to change your avatar.");
    }

    @Override
    protected void doTransmitParameters() {
        session.addParameter(url.getMemberParameter());
    }
}