/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#pragma once

#if !defined(Q_MOC_RUN)
#include <QStyledItemDelegate>
#include <GemRepo/GemRepoInfo.h>
#endif

QT_FORWARD_DECLARE_CLASS(QAbstractItemModel)
QT_FORWARD_DECLARE_CLASS(QEvent)

namespace O3DE::ProjectManager
{
    class GemRepoItemDelegate
        : public QStyledItemDelegate
    {
        Q_OBJECT // AUTOMOC

    public:
        explicit GemRepoItemDelegate(QAbstractItemModel* model, QObject* parent = nullptr);
        ~GemRepoItemDelegate() = default;

        void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& modelIndex) const override;
        bool editorEvent(QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& modelIndex) override;
        QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& modelIndex) const override;

        // Colors
        const QColor m_textColor = QColor("#FFFFFF");
        const QColor m_backgroundColor = QColor("#333333"); // Outside of the actual repo item
        const QColor m_itemBackgroundColor = QColor("#404040"); // Background color of the repo item
        const QColor m_borderColor = QColor("#1E70EB");
        const QColor m_buttonEnabledColor = QColor("#1E70EB");

        // Item
        inline constexpr static int s_height = 72; // Repo item total height
        inline constexpr static qreal s_fontSize = 12.0;

        // Margin and borders
        inline constexpr static QMargins s_itemMargins = QMargins(/*left=*/0, /*top=*/8, /*right=*/60, /*bottom=*/8); // Item border distances
        inline constexpr static QMargins s_contentMargins = QMargins(/*left=*/20, /*top=*/20, /*right=*/20, /*bottom=*/20); // Distances of the elements within an item to the item borders
        inline constexpr static int s_borderWidth = 4;

        // Content
        inline constexpr static int s_contentSpacing = 5;
        inline constexpr static int s_nameMaxWidth = 145;
        inline constexpr static int s_creatorMaxWidth = 115;
        inline constexpr static int s_updatedMaxWidth = 125;

        // Button
        inline constexpr static int s_buttonWidth = 32;
        inline constexpr static int s_buttonHeight = 16;
        inline constexpr static int s_buttonBorderRadius = 8;
        inline constexpr static int s_buttonCircleRadius = s_buttonBorderRadius - 2;
        inline constexpr static int s_buttonSpacing = 20;

        // Icon
        inline constexpr static int s_iconSize = 24;
        inline constexpr static int s_iconSpacing = 16;
        inline constexpr static int s_refreshIconSize = 14;
        inline constexpr static int s_refreshIconSpacing = 10;

    protected:
        void CalcRects(const QStyleOptionViewItem& option, QRect& outFullRect, QRect& outItemRect, QRect& outContentRect) const;
        QRect GetTextRect(QFont& font, const QString& text, qreal fontSize) const;
        QRect CalcButtonRect(const QRect& contentRect) const;
        void DrawButton(QPainter* painter, const QRect& contentRect, const QModelIndex& modelIndex) const;
        void DrawEditButtons(QPainter* painter, const QRect& contentRect) const;

        QAbstractItemModel* m_model = nullptr;

        QPixmap m_refreshIcon;
        QPixmap m_editIcon;
        QPixmap m_deleteIcon;
    };
} // namespace O3DE::ProjectManager