/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.ui_swing.components.statusbar;

import com.dmdirc.addons.ui_swing.components.IconManager;
import com.dmdirc.interfaces.ui.ErrorsDialogModel;
import com.dmdirc.logger.ErrorLevel;
import com.dmdirc.logger.ErrorReportStatus;
import com.dmdirc.ui.core.errors.DisplayableError;

import com.google.common.collect.HashMultiset;

import java.awt.Font;
import java.awt.Window;
import java.util.Set;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.SwingConstants;

/**
 * Shows a breakdown of errors that have occurred.
 *
 * @since 0.6.3m1
 */
public class ErrorPopup extends StatusbarPopupWindow {

    /** Serial version UID. */
    private static final long serialVersionUID = 1;
    /** Icon manager. */
    private final IconManager iconManager;
    /** Error manager to retrieve errors from. */
    private final ErrorsDialogModel model;

    /**
     * Creates a new error popup.
     *
     * @param model        The error model to retrieve errors from
     * @param iconManager  The manager to use to retrieve icons.
     * @param parent       Parent panel
     * @param parentWindow Parent window
     */
    public ErrorPopup(
            final ErrorsDialogModel model,
            final IconManager iconManager,
            final JPanel parent,
            final Window parentWindow) {
        super(parent, parentWindow);

        this.model = model;
        this.iconManager = iconManager;
    }

    @Override
    protected void initContent(final JPanel panel) {
        final Set<DisplayableError> errors = model.getErrors();
        final HashMultiset<ErrorLevel> severities = HashMultiset.create();
        final HashMultiset<ErrorReportStatus> statuses = HashMultiset.create();
        errors.stream().map(DisplayableError::getSeverity).forEach(severities::add);
        errors.stream().map(DisplayableError::getReportStatus).forEach(statuses::add);

        panel.add(buildLabel("Severity", SwingConstants.LEFT));
        panel.add(buildLabel("#", SwingConstants.RIGHT), "growx, pushx, wrap");
        severities.elementSet().forEach(s -> {
            panel.add(new JLabel(s.toString(), iconManager.getIcon(s.getIcon()), SwingConstants.LEFT));
            panel.add(new JLabel(String.valueOf(severities.count(s)), SwingConstants.RIGHT),
                    "growx, pushx, wrap");
        });

        panel.add(new JSeparator(), "span, growx, pushx, wrap");

        panel.add(buildLabel("Report status", SwingConstants.LEFT));
        panel.add(buildLabel("#", SwingConstants.RIGHT), "growx, pushx, wrap");
        statuses.elementSet().forEach(s -> {
            panel.add(new JLabel(s.toString(), SwingConstants.LEFT));
            panel.add(new JLabel(String.valueOf(statuses.count(s)), SwingConstants.RIGHT),
                    "growx, pushx, wrap");
        });
    }

    private JLabel buildLabel(final String text, final int constant) {
        final JLabel header = new JLabel(text, constant);
        header.setFont(header.getFont().deriveFont(Font.BOLD));
        return header;
    }

}