/*
 * Copyright (c) 2022, RPTU Kaiserslautern-Landau
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors:
 *    Iron Prando da Silva
 */

#pragma once

#include "data/tracedb.h"
#include "phases/dependencyinfos.h"

#include <QAbstractTableModel>
#include <QListWidget>
#include <utility>
#include <vector>

class DependencyInfosModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    explicit DependencyInfosModel(TraceDB& traceFile, QObject* parent = nullptr);
    ~DependencyInfosModel() {}

protected:
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    int columnCount(const QModelIndex& parent) const override;

    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    QVariant
    headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;

    QModelIndex index(int row, int column, const QModelIndex& parent) const override;
    QModelIndex parent(const QModelIndex& index) const override;

private:
    DependencyInfos mDepInfosDepType;
    DependencyInfos mDepInfosTimeDep;
    DependencyInfos mDepInfosDelPhase;
    DependencyInfos mDepInfosDepPhase;

    void parseInfos();
    struct Node
    {
        using NodeData = std::pair<QString, QString>;

        Node() {}
        Node(NodeData data, const Node* parent) : data(data), parent(parent) {}

        /**
         * Gets the row relative to its parent.
         */
        int getRow() const;
        int childCount() const { return children.size(); }

        NodeData data;

        const Node* parent = nullptr;
        std::vector<std::unique_ptr<Node>> children;
    };

    std::unique_ptr<Node> rootNode = std::unique_ptr<Node>(new Node);
};