/*
 * SPDX-FileCopyrightText: 2019-2023 Mattia Basaglia <dev@dragon.best>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

#ifndef GLAXNIMATEWINDOW_H
#define GLAXNIMATEWINDOW_H

#include <memory>

#include <KXmlGuiWindow>
#include <QUndoGroup>
#include <QLocalSocket>

#include "model/document.hpp"
#include "model/shapes/shape.hpp"

#include "plugin/executor.hpp"

#include "selection_manager.hpp"
#include "item_models/document_node_model.hpp"


namespace glaxnimate::plugin {
class Plugin;
class PluginScript;
} // namespace plugin

namespace glaxnimate::model {
class BrushStyle;
} // namespace model

class QItemSelection;


namespace glaxnimate::gui {
class PluginUiDialog;

class GlaxnimateWindow : public KXmlGuiWindow, public glaxnimate::gui::SelectionManager
{
    Q_OBJECT

    Q_PROPERTY(glaxnimate::model::Document* document READ document)
    Q_PROPERTY(glaxnimate::model::VisualNode* current_item READ current_document_node WRITE set_current_document_node)
    Q_PROPERTY(glaxnimate::model::ShapeElement* current_shape READ current_shape)
    Q_PROPERTY(glaxnimate::model::Object* current_shape_container READ current_shape_container_script)
    Q_PROPERTY(glaxnimate::model::Composition* current_composition READ current_composition WRITE set_current_composition)
    Q_PROPERTY(QColor fill_color READ current_color WRITE set_current_color)
    Q_PROPERTY(QColor stroke_color READ secondary_color WRITE set_secondary_color)

public:

    explicit GlaxnimateWindow(bool restore_state = true, bool debug = false, QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());

    ~GlaxnimateWindow();

    model::Document* document() const override;

    model::VisualNode* current_document_node() const override;
    void set_current_document_node(model::VisualNode* node) override;

    void set_current_composition(model::Composition* comp) override;
    model::Composition* current_composition() const override;

    QMenu* create_layer_menu() const;

    model::Object* current_shape_container_script();

    QColor current_color() const override;
    void set_current_color(const QColor& c) override;
    QColor secondary_color() const override;
    void set_secondary_color(const QColor& c) override;

    QPen current_pen_style() const override;

    QList<QUrl> recent_files() const;

    /**
     * @brief Shows a warning popup
     */
    Q_INVOKABLE void warning(const QString& message, const QString& title = "") const;

    /**
     * @brief Shows a message in the status bar
     */
    Q_INVOKABLE void status(const QString& message) const;

    /**
     * \brief Shows a dialog to pick one of the given options
     */
    Q_INVOKABLE QVariant choose_option(const QString& label, const QVariantMap& options, const QString& title = "") const;

    /**
     * \brief Selected nodes, removing nodes that are descendants of other selected nodes
     */
    std::vector<model::VisualNode*> cleaned_selection() const override;
    /**
     * \brief Update the selection
     */
    void select(const std::vector<model::VisualNode*>& nodes);

    void group_shapes();
    void ungroup_shapes();
    void move_to();

    item_models::DocumentNodeModel* model() const override;

    qreal current_zoom() const override;

    void document_open(const QString& filename);
    void document_open_settings(const QString& filename, const QVariantMap& settings);

    void switch_tool(tools::Tool* tool) override;

    /**
     * \brief Shows a file dialog to open an image file
     * \returns The selected name or an empty string if the user canceled the operation
     */
    Q_INVOKABLE QString get_open_image_file(const QString& title, const QString& dir = "") const;

    /**
     * \brief BrushStyle used for fill or strole (stroke is secondary)
     */
    model::BrushStyle* linked_brush_style(bool secondary) const override;

    PluginUiDialog* create_dialog(const QString& ui_file) const;

    void trace_dialog(model::DocumentNode* object);

    void shape_to_composition(model::ShapeElement* node);

    /**
     * \brief Converts \p shape to path
     * \returns The converted shape
     */
    Q_INVOKABLE glaxnimate::model::ShapeElement* convert_to_path(glaxnimate::model::ShapeElement* shape);

    /**
     * \brief Converts \p shapes to path
     * \returns The converted shapes
     */
    std::vector<model::ShapeElement*> convert_to_path(const std::vector<model::ShapeElement*>& shapes);

    void show_startup_dialog();

    QWidget* as_widget() override { return this; }
    std::vector<io::mime::MimeSerializer*> supported_mimes() const override;

    void set_selection(const std::vector<model::VisualNode*>& selected) override;
    void update_selection(const std::vector<model::VisualNode*>& selected, const std::vector<model::VisualNode*>& deselected) override;

    void ipc_connect(const QString& name);

    /**
     * \brief Checks if there are any autosave files left pending
     */
    void check_autosaves();

public Q_SLOTS:
    void document_save();
    void document_save_as();
    void document_export();
    void document_export_as();
    void document_export_sequence();
    void view_fit();
    /**
     * \brief Copies the current selection to the clipboard
     */
    void copy() const;
    void paste();
    void cut();
    void duplicate_selection() const;
    void delete_selected();

    void copyDebugInfo();

private Q_SLOTS:
    void document_new();
    void document_open_dialog();
    void document_reload();

    void document_treeview_current_changed(model::VisualNode* node);
    void document_treeview_selection_changed(const std::vector<model::VisualNode*>& selected, const std::vector<model::VisualNode*>& deselected);
    void scene_selection_changed(const std::vector<model::VisualNode*>& selected, const std::vector<model::VisualNode*>& deselected);

    void layer_new_menu();

    void layer_delete();
    void layer_duplicate();
    void layer_top();
    void layer_raise();
    void layer_lower();
    void layer_bottom();

    void help_about_env();
    void help_manual();

    void refresh_title();
    void document_open_recent(const QUrl &url);
    void save_frame_bmp();
    void save_frame_svg();
    void tool_triggered(bool checked);
    void validate_tgs();

    void switch_composition(model::Composition* comp, int index);

    void ipc_signal_connections(bool enable);
    void ipc_error(QLocalSocket::LocalSocketError socketError);
    void ipc_read();
    void ipc_write_time(model::FrameTime t);
    void ipc_draw_background(QPainter *painter);

protected:
    void showEvent(QShowEvent * event) override;
    void closeEvent ( QCloseEvent * event ) override;
    void timerEvent(QTimerEvent * event) override;

    void dragEnterEvent(QDragEnterEvent* event) override;
    void dragMoveEvent(QDragMoveEvent* event) override;
    void dragLeaveEvent(QDragLeaveEvent* event) override;
    void dropEvent(QDropEvent* event) override;

private:
    class Private;
    std::unique_ptr<Private> d;
};


} // namespace glaxnimate::gui

#endif // GLAXNIMATEWINDOW_H
