/*

 * Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#pragma once

#include <AK/ByteBuffer.h>

#include <AK/ByteString.h>

#include <AK/FlyString.h>

#include <AK/NonnullRefPtr.h>

#include <AK/RefCounted.h>

#include <AK/String.h>

#include <AK/Vector.h>

#include <LibGfx/Bitmap.h>

#include <LibGfx/Point.h>

namespace Web::HTML {

struct DragDataStoreItem {

    enum class Kind {

        Text,

        File,

    };

    // https://html.spec.whatwg.org/multipage/dnd.html#the-drag-data-item-kind

    Kind kind { Kind::Text };

    // https://html.spec.whatwg.org/multipage/dnd.html#the-drag-data-item-type-string

    String type_string;

    ByteBuffer data;

    ByteString file_name;

};

// https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store

class DragDataStore : public RefCounted<DragDataStore> {

public:

    enum class Mode {

        ReadWrite,

        ReadOnly,

        Protected,

    };

    static NonnullRefPtr<DragDataStore> create();

    ~DragDataStore();

    void add_item(DragDataStoreItem item) { m_item_list.append(move(item)); }

    ReadonlySpan<DragDataStoreItem> item_list() const { return m_item_list; }

    size_t size() const { return m_item_list.size(); }

    bool has_text_item() const;

    Mode mode() const { return m_mode; }

    void set_mode(Mode mode) { m_mode = mode; }

    FlyString allowed_effects_state() const { return m_allowed_effects_state; }

    void set_allowed_effects_state(FlyString allowed_effects_state) { m_allowed_effects_state = move(allowed_effects_state); }

private:

    DragDataStore();

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-item-list

    Vector<DragDataStoreItem> m_item_list;

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-default-feedback

    String m_default_feedback;

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-bitmap

    RefPtr<Gfx::Bitmap> m_bitmap;

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-hot-spot-coordinate

    Gfx::IntPoint m_hot_spot_coordinate;

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-mode

    Mode m_mode { Mode::Protected };

    // https://html.spec.whatwg.org/multipage/dnd.html#drag-data-store-allowed-effects-state

    FlyString m_allowed_effects_state;

};

}