/*
 * 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.bugs;

import com.bloatit.data.DaoTeamRight.UserTeamRight;
import com.bloatit.framework.exceptions.highlevel.ShallNotPassException;
import com.bloatit.framework.utils.FileConstraintChecker;
import com.bloatit.framework.utils.FileConstraintChecker.SizeUnit;
import com.bloatit.framework.utils.i18n.Language;
import com.bloatit.framework.webprocessor.annotations.MaxConstraint;
import com.bloatit.framework.webprocessor.annotations.MinConstraint;
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.RequestParam.Role;
import com.bloatit.framework.webprocessor.annotations.tr;
import com.bloatit.framework.webprocessor.components.form.FormComment;
import com.bloatit.framework.webprocessor.components.form.FormField;
import com.bloatit.framework.webprocessor.context.Context;
import com.bloatit.framework.webprocessor.url.PageNotFoundUrl;
import com.bloatit.framework.webprocessor.url.Url;
import com.bloatit.model.Bug;
import com.bloatit.model.Member;
import com.bloatit.model.Milestone;
import com.bloatit.model.Team;
import com.bloatit.model.right.UnauthorizedOperationException;
import com.bloatit.web.linkable.usercontent.UserContentAction;
import com.bloatit.web.url.BugPageUrl;
import com.bloatit.web.url.ReportBugActionUrl;
import com.bloatit.web.url.ReportBugPageUrl;

/**
 * A response to a form used to create a new feature
 */
@ParamContainer("offers/milestones/%milestone%/doreportbug")
public final class ReportBugAction extends UserContentAction {

    @NonOptional(@tr("A new bug must be linked to a milestone"))
    @RequestParam(role = Role.PAGENAME)
    private final Milestone milestone;

    @RequestParam(role = Role.POST)
    @MaxConstraint(max = 120, message = @tr("The short description must be %constraint% chars length max."))
    @MinConstraint(min = 10, message = @tr("The short description must have at least %constraint% chars."))
    @NonOptional(@tr("You forgot to write a short description"))
    @FormField(label = @tr("Bug title"), isShort = false)
    private final String title;

    @NonOptional(@tr("You must indicate a bug description"))
    @MinConstraint(min = 10, message = @tr("The description must have at least %constraint% chars."))
    @RequestParam(role = Role.POST)
    @FormField(label = @tr("Describe the bug"), isShort = false)
    @FormComment(@tr("Enter a precise description of the bug. Minimum 10 character."))
    private final String description;

    @NonOptional(@tr("You must indicate a bug level"))
    @RequestParam(suggestedValue = "MINOR", role = Role.POST)
    @FormField(label = @tr("Bug level"))
    private final BindedLevel level;

    private final ReportBugActionUrl url;

    public ReportBugAction(final ReportBugActionUrl url) {
        super(url, UserTeamRight.TALK);
        this.url = url;

        this.title = url.getTitle();
        this.description = url.getDescription();
        this.level = url.getLevel();
        this.milestone = url.getMilestone();
    }

    @Override
    public Url doDoProcessRestricted(final Member me, final Team asTeam) {
        Bug bug;
        try {
            bug = milestone.addBug(title, description, Language.fromLocale(getLocale()), level.getLevel());
            propagateAttachedFileIfPossible(bug);
            return new BugPageUrl(bug);
        } catch (final UnauthorizedOperationException e) {
            throw new ShallNotPassException(e);
        }
    }

    @Override
    protected Url checkRightsAndEverything(final Member me) {
        if (getLocale() == null) {
            session.notifyWarning(Context.tr("You have to specify the description language."));
            return new ReportBugPageUrl(milestone.getOffer());
        }
        return NO_ERROR;
    }

    @Override
    protected Url doProcessErrors() {
        if (milestone != null) {
            return new ReportBugPageUrl(milestone.getOffer());
        }
        return new PageNotFoundUrl();
    }

    @Override
    protected String getRefusalReason() {
        return Context.tr("You must be logged in to report a bug.");
    }

    @Override
    protected void doTransmitParameters() {
        session.addParameter(url.getTitleParameter());
        session.addParameter(url.getDescriptionParameter());
        session.addParameter(url.getMilestoneParameter());
        session.addParameter(url.getLevelParameter());
        session.addParameter(url.getAttachmentDescriptionParameter());
    }

    @Override
    protected boolean verifyFile(final String filename) {
        return new FileConstraintChecker(filename).isFileSmaller(ReportBugPage.FILE_MAX_SIZE_MIO, SizeUnit.MBYTE);
    }

}