/*
 * Olive Community Edition - Non-Linear Video Editor
 * Copyright (C) 2025 Olive CE Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "menushared.h"

#include <QActionGroup>

#include "core.h"
#include "panel/panelmanager.h"
#include "panel/timeline/timeline.h"
#include "window/mainwindow/mainwindow.h"

namespace olive
{

MenuShared *MenuShared::instance_ = nullptr;

MenuShared::MenuShared()
{
	// "New" menu shared items
	new_project_item_ = Menu::CreateItem(this, "newproj", Core::instance(),
										 &Core::CreateNewProject, tr("Ctrl+N"));
	new_sequence_item_ = Menu::CreateItem(this, "newseq", Core::instance(),
										  &Core::CreateNewSequence,
										  tr("Ctrl+Shift+N"));
	new_folder_item_ = Menu::CreateItem(this, "newfolder", Core::instance(),
										&Core::CreateNewFolder);

	// "Edit" menu shared items
	edit_cut_item_ = Menu::CreateItem(this, "cut", this,
									  &MenuShared::CutTriggered, tr("Ctrl+X"));
	edit_copy_item_ = Menu::CreateItem(
		this, "copy", this, &MenuShared::CopyTriggered, tr("Ctrl+C"));
	edit_paste_item_ = Menu::CreateItem(
		this, "paste", this, &MenuShared::PasteTriggered, tr("Ctrl+V"));
	edit_paste_insert_item_ =
		Menu::CreateItem(this, "pasteinsert", this,
						 &MenuShared::PasteInsertTriggered, tr("Ctrl+Shift+V"));
	edit_duplicate_item_ = Menu::CreateItem(
		this, "duplicate", this, &MenuShared::DuplicateTriggered, tr("Ctrl+D"));
	edit_rename_item_ = Menu::CreateItem(
		this, "rename", this, &MenuShared::RenameSelectedTriggered, tr("F2"));
	edit_delete_item_ = Menu::CreateItem(
		this, "delete", this, &MenuShared::DeleteSelectedTriggered, tr("Del"));
	edit_ripple_delete_item_ =
		Menu::CreateItem(this, "rippledelete", this,
						 &MenuShared::RippleDeleteTriggered, tr("Shift+Del"));
	edit_split_item_ = Menu::CreateItem(this, "split", this,
										&MenuShared::SplitAtPlayheadTriggered,
										tr("Ctrl+K"));
	edit_speedduration_item_ =
		Menu::CreateItem(this, "speeddur", this,
						 &MenuShared::SpeedDurationTriggered, tr("Ctrl+R"));

	// List of addable items
	for (int i = 0; i < Tool::kAddableCount; i++) {
		Tool::AddableObject t = static_cast<Tool::AddableObject>(i);
		QAction *a = Menu::CreateItem(
			this, QStringLiteral("add:%1").arg(Tool::GetAddableObjectID(t)),
			this, &MenuShared::AddableItemTriggered);
		a->setData(t);
		addable_items_.append(a);
	}

	// "In/Out" menu shared items
	inout_set_in_item_ = Menu::CreateItem(this, "setinpoint", this,
										  &MenuShared::SetInTriggered, tr("I"));
	inout_set_out_item_ = Menu::CreateItem(
		this, "setoutpoint", this, &MenuShared::SetOutTriggered, tr("O"));
	inout_reset_in_item_ =
		Menu::CreateItem(this, "resetin", this, &MenuShared::ResetInTriggered);
	inout_reset_out_item_ = Menu::CreateItem(this, "resetout", this,
											 &MenuShared::ResetOutTriggered);
	inout_clear_inout_item_ = Menu::CreateItem(
		this, "clearinout", this, &MenuShared::ClearInOutTriggered, tr("G"));

	// "Clip Edit" menu shared items
	clip_add_default_transition_item_ = Menu::CreateItem(
		this, "deftransition", this, &MenuShared::DefaultTransitionTriggered,
		tr("Ctrl+Shift+D"));
	clip_link_unlink_item_ = Menu::CreateItem(this, "linkunlink", this,
											  &MenuShared::ToggleLinksTriggered,
											  tr("Ctrl+L"));
	clip_enable_disable_item_ =
		Menu::CreateItem(this, "enabledisable", this,
						 &MenuShared::EnableDisableTriggered, tr("Shift+E"));
	clip_nest_item_ =
		Menu::CreateItem(this, "nest", this, &MenuShared::NestTriggered);

	// TimeRuler menu shared items
	frame_view_mode_group_ = new QActionGroup(this);

	view_timecode_view_dropframe_item_ = Menu::CreateItem(
		this, "modedropframe", this, &MenuShared::TimecodeDisplayTriggered);
	view_timecode_view_dropframe_item_->setData(Timecode::kTimecodeDropFrame);
	view_timecode_view_dropframe_item_->setCheckable(true);
	frame_view_mode_group_->addAction(view_timecode_view_dropframe_item_);

	view_timecode_view_nondropframe_item_ = Menu::CreateItem(
		this, "modenondropframe", this, &MenuShared::TimecodeDisplayTriggered);
	view_timecode_view_nondropframe_item_->setData(
		Timecode::kTimecodeNonDropFrame);
	view_timecode_view_nondropframe_item_->setCheckable(true);
	frame_view_mode_group_->addAction(view_timecode_view_nondropframe_item_);

	view_timecode_view_seconds_item_ = Menu::CreateItem(
		this, "modeseconds", this, &MenuShared::TimecodeDisplayTriggered);
	view_timecode_view_seconds_item_->setData(Timecode::kTimecodeSeconds);
	view_timecode_view_seconds_item_->setCheckable(true);
	frame_view_mode_group_->addAction(view_timecode_view_seconds_item_);

	view_timecode_view_frames_item_ = Menu::CreateItem(
		this, "modeframes", this, &MenuShared::TimecodeDisplayTriggered);
	view_timecode_view_frames_item_->setData(Timecode::kFrames);
	view_timecode_view_frames_item_->setCheckable(true);
	frame_view_mode_group_->addAction(view_timecode_view_frames_item_);

	view_timecode_view_milliseconds_item_ = Menu::CreateItem(
		this, "milliseconds", this, &MenuShared::TimecodeDisplayTriggered);
	view_timecode_view_milliseconds_item_->setData(Timecode::kMilliseconds);
	view_timecode_view_milliseconds_item_->setCheckable(true);
	frame_view_mode_group_->addAction(view_timecode_view_milliseconds_item_);

	// Color coding menu items
	color_coding_menu_ = new ColorLabelMenu();
	connect(color_coding_menu_, &ColorLabelMenu::ColorSelected, this,
			&MenuShared::ColorLabelTriggered);

	Retranslate();
}

MenuShared::~MenuShared()
{
	delete color_coding_menu_;
}

void MenuShared::CreateInstance()
{
	instance_ = new MenuShared();
}

void MenuShared::DestroyInstance()
{
	delete instance_;
}

void MenuShared::AddItemsForNewMenu(Menu *m)
{
	m->addAction(new_project_item_);
	m->addSeparator();
	m->addAction(new_sequence_item_);
	m->addAction(new_folder_item_);
}

void MenuShared::AddItemsForEditMenu(Menu *m, bool for_clips)
{
	m->addAction(Core::instance()->undo_stack()->GetUndoAction());
	m->addAction(Core::instance()->undo_stack()->GetRedoAction());

	m->addSeparator();

	m->addAction(edit_cut_item_);
	m->addAction(edit_copy_item_);
	m->addAction(edit_paste_item_);
	m->addAction(edit_paste_insert_item_);
	m->addAction(edit_duplicate_item_);
	m->addAction(edit_rename_item_);
	m->addAction(edit_delete_item_);

	if (for_clips) {
		m->addAction(edit_ripple_delete_item_);
		m->addAction(edit_split_item_);
		m->addAction(edit_speedduration_item_);

		m->addSeparator();

		m->addAction(clip_add_default_transition_item_);
		m->addAction(clip_link_unlink_item_);
		m->addAction(clip_enable_disable_item_);
		m->addAction(clip_nest_item_);
	}
}

void MenuShared::AddItemsForAddableObjectsMenu(Menu *m)
{
	for (QAction *a : qAsConst(addable_items_)) {
		a->setChecked((a->data().toInt() ==
					   Core::instance()->GetSelectedAddableObject()));
		m->addAction(a);
	}
}

void MenuShared::AddItemsForInOutMenu(Menu *m)
{
	m->addAction(inout_set_in_item_);
	m->addAction(inout_set_out_item_);
	m->addSeparator();
	m->addAction(inout_reset_in_item_);
	m->addAction(inout_reset_out_item_);
	m->addAction(inout_clear_inout_item_);
}

void MenuShared::AddColorCodingMenu(Menu *m)
{
	m->addMenu(color_coding_menu_);
}

void MenuShared::AddItemsForClipEditMenu(Menu *m)
{
	m->addAction(clip_add_default_transition_item_);
	m->addAction(clip_link_unlink_item_);
	m->addAction(clip_enable_disable_item_);
	m->addAction(clip_nest_item_);
}

void MenuShared::AddItemsForTimeRulerMenu(Menu *m)
{
	m->addAction(view_timecode_view_dropframe_item_);
	m->addAction(view_timecode_view_nondropframe_item_);
	m->addAction(view_timecode_view_seconds_item_);
	m->addAction(view_timecode_view_frames_item_);
	m->addAction(view_timecode_view_milliseconds_item_);
}

void MenuShared::AboutToShowTimeRulerActions(const rational &timebase)
{
	QList<QAction *> timecode_display_actions =
		frame_view_mode_group_->actions();
	Timecode::Display current_timecode_display =
		Core::instance()->GetTimecodeDisplay();

	// Only show the drop-frame option if the timebase is drop-frame
	view_timecode_view_dropframe_item_->setVisible(
		!timebase.isNull() && Timecode::timebase_is_drop_frame(timebase));

	if (!view_timecode_view_dropframe_item_->isVisible() &&
		current_timecode_display == Timecode::kTimecodeDropFrame) {
		// If the current setting is drop-frame, correct to non-drop frame
		current_timecode_display = Timecode::kTimecodeNonDropFrame;
	}

	foreach (QAction *a, timecode_display_actions) {
		if (a->data() == current_timecode_display) {
			a->setChecked(true);
			break;
		}
	}
}

MenuShared *MenuShared::instance()
{
	return instance_;
}

void MenuShared::SplitAtPlayheadTriggered()
{
	TimelinePanel *timeline =
		PanelManager::instance()->MostRecentlyFocused<TimelinePanel>();

	if (timeline != nullptr) {
		timeline->SplitAtPlayhead();
	}
}

void MenuShared::DeleteSelectedTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->DeleteSelected();
}

void MenuShared::RippleDeleteTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->RippleDelete();
}

void MenuShared::SetInTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->SetIn();
}

void MenuShared::SetOutTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->SetOut();
}

void MenuShared::ResetInTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->ResetIn();
}

void MenuShared::ResetOutTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->ResetOut();
}

void MenuShared::ClearInOutTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->ClearInOut();
}

void MenuShared::ToggleLinksTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->ToggleLinks();
}

void MenuShared::CutTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->CutSelected();
}

void MenuShared::CopyTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->CopySelected();
}

void MenuShared::PasteTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->Paste();
}

void MenuShared::PasteInsertTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->PasteInsert();
}

void MenuShared::DuplicateTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->Duplicate();
}

void MenuShared::RenameSelectedTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->RenameSelected();
}

void MenuShared::EnableDisableTriggered()
{
	PanelManager::instance()->CurrentlyFocused()->ToggleSelectedEnabled();
}

void MenuShared::NestTriggered()
{
	PanelManager::instance()
		->MostRecentlyFocused<TimelinePanel>()
		->NestSelectedClips();
}

void MenuShared::DefaultTransitionTriggered()
{
	PanelManager::instance()
		->MostRecentlyFocused<TimelinePanel>()
		->AddDefaultTransitionsToSelected();
}

void MenuShared::TimecodeDisplayTriggered()
{
	// Assume the sender is a QAction
	QAction *action = static_cast<QAction *>(sender());

	// Assume its data() is a member of Timecode::Display
	Timecode::Display display =
		static_cast<Timecode::Display>(action->data().toInt());

	// Set the current display mode
	Core::instance()->SetTimecodeDisplay(display);
}

void MenuShared::ColorLabelTriggered(int color_index)
{
	PanelManager::instance()->CurrentlyFocused()->SetColorLabel(color_index);
}

void MenuShared::SpeedDurationTriggered()
{
	TimelinePanel *timeline =
		PanelManager::instance()->MostRecentlyFocused<TimelinePanel>();

	if (timeline) {
		timeline->ShowSpeedDurationDialogForSelectedClips();
	}
}

void MenuShared::AddableItemTriggered()
{
	QAction *a = static_cast<QAction *>(sender());
	Tool::AddableObject i = static_cast<Tool::AddableObject>(a->data().toInt());
	Core::instance()->SetTool(Tool::kAdd);
	Core::instance()->SetSelectedAddableObject(i);
}

void MenuShared::Retranslate()
{
	// "New" menu shared items
	new_project_item_->setText(tr("&Project"));
	new_sequence_item_->setText(tr("&Sequence"));
	new_folder_item_->setText(tr("&Folder"));

	// "Edit" menu shared items
	edit_cut_item_->setText(tr("Cu&t"));
	edit_copy_item_->setText(tr("Cop&y"));
	edit_paste_item_->setText(tr("&Paste"));
	edit_paste_insert_item_->setText(tr("Paste Insert"));
	edit_duplicate_item_->setText(tr("Duplicate"));
	edit_rename_item_->setText(tr("Rename"));
	edit_delete_item_->setText(tr("Delete"));
	edit_ripple_delete_item_->setText(tr("Ripple Delete"));
	edit_split_item_->setText(tr("Split"));
	edit_speedduration_item_->setText(tr("Speed/Duration"));

	for (QAction *a : qAsConst(addable_items_)) {
		a->setText(Tool::GetAddableObjectName(
			static_cast<Tool::AddableObject>(a->data().toInt())));
	}

	// "In/Out" menu shared items
	inout_set_in_item_->setText(tr("Set In Point"));
	inout_set_out_item_->setText(tr("Set Out Point"));
	inout_reset_in_item_->setText(tr("Reset In Point"));
	inout_reset_out_item_->setText(tr("Reset Out Point"));
	inout_clear_inout_item_->setText(tr("Clear In/Out Point"));

	// "Clip Edit" menu shared items
	clip_add_default_transition_item_->setText(tr("Add Default Transition"));
	clip_link_unlink_item_->setText(tr("Link/Unlink"));
	clip_enable_disable_item_->setText(tr("Enable/Disable"));
	clip_nest_item_->setText(tr("Nest"));

	// TimeRuler menu shared items
	view_timecode_view_frames_item_->setText(tr("Frames"));
	view_timecode_view_dropframe_item_->setText(tr("Drop Frame"));
	view_timecode_view_nondropframe_item_->setText(tr("Non-Drop Frame"));
	view_timecode_view_milliseconds_item_->setText(tr("Milliseconds"));
	view_timecode_view_seconds_item_->setText(tr("Seconds"));
}

}