//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
//| Copyright:    (C) 2001 - 2007 Twan van Laarhoven                           |
//| License:      GNU General Public License 2 or later (see file COPYING)     |
//+----------------------------------------------------------------------------+

// ----------------------------------------------------------------------------- : Includes

#include <gui/control/card_list.hpp>
#include <gui/control/card_list_column_select.hpp>
#include <gui/icon_menu.hpp>
#include <gui/util.hpp>
#include <data/game.hpp>
#include <data/field.hpp>
#include <data/field/choice.hpp>
#include <data/set.hpp>
#include <data/card.hpp>
#include <data/settings.hpp>
#include <data/stylesheet.hpp>
#include <data/format/clipboard.hpp>
#include <data/action/set.hpp>
#include <data/action/value.hpp>
#include <util/window_id.hpp>
#include <wx/clipbrd.h>

DECLARE_TYPEOF_COLLECTION(CardP);
DECLARE_TYPEOF_COLLECTION(FieldP);
DECLARE_POINTER_TYPE(ChoiceValue);
DECLARE_TYPEOF(map<int COMMA FieldP>);
DECLARE_TYPEOF_NO_REV(IndexMap<FieldP COMMA StyleP>);

// ----------------------------------------------------------------------------- : Events

DEFINE_EVENT_TYPE(EVENT_CARD_SELECT);

// ----------------------------------------------------------------------------- : CardListBase

CardListBase::CardListBase(Window* parent, int id, long additional_style)
	: ItemList(parent, id, additional_style)
{}

CardListBase::~CardListBase() {
	storeColumns();
}

void CardListBase::onBeforeChangeSet() {
	storeColumns();
}
void CardListBase::onChangeSet() {
	rebuild();
}

void CardListBase::onAction(const Action& action, bool undone) {
	TYPE_CASE(action, AddCardAction) {
		if (undone) {
			refreshList();
			if (!allowModify()) {
				// Let some other card list else do the selecting
				return;
			}
			selectItemPos(GetItemCount() - 1, true);
		} else {
			// select the new card
			selectItem(action.card, false /*list will be refreshed anyway*/, true);
			refreshList();
		}
	}
	TYPE_CASE(action, RemoveCardAction) {
		if (undone) {
			// select the re-added card
			selectItem(action.card, false /*list will be refreshed anyway*/, true);
			refreshList();
		} else {
			long pos = selected_item_pos;
			refreshList();
			if (!allowModify()) {
				// Let some other card list else do the selecting
				return;
			}
			if (action.card == selected_item) {
				// select the next card, if not possible, select the last
				if (pos + 1 < GetItemCount()) {
					selectItemPos(pos, true);
				} else {
					selectItemPos(GetItemCount() - 1, true);
				}
			}
		}
	}
	TYPE_CASE(action, ReorderCardsAction) {
		if (sort_by_column >= 0) return; // nothing changes for us
		if ((long)action.card_id1 == selected_item_pos || (long)action.card_id2 == selected_item_pos) {
			// Selected card has moved; also move in the sorted card list
			swap(sorted_list[action.card_id1], sorted_list[action.card_id2]);
			// reselect the current card, it has moved
			selected_item_pos = (long)action.card_id1 == selected_item_pos ? (long)action.card_id2 : (long)action.card_id1;
			// select the right card
			selectCurrentItem();
		}
		RefreshItem((long)action.card_id1);
		RefreshItem((long)action.card_id2);
	}
	TYPE_CASE_(action, ScriptValueEvent) {
		// No refresh needed, a ScriptValueEvent is only generated in response to a ValueAction
		return;
	}
	TYPE_CASE_(action, ValueAction) {
		refreshList();
		return;
	}
}

void CardListBase::getItems(vector<VoidP>& out) const {
	FOR_EACH(c, set->cards) {
		out.push_back(c);
	}
}
void CardListBase::sendEvent() {
	CardSelectEvent ev(getCard());
	ProcessEvent(ev);
}

// ----------------------------------------------------------------------------- : CardListBase : Clipboard

bool CardListBase::canCopy()  const { return !!selected_item; }
bool CardListBase::canCut()   const { return canCopy() && allowModify(); }
bool CardListBase::canPaste() const {
	return allowModify() && wxTheClipboard->IsSupported(CardDataObject::format);
}

bool CardListBase::doCopy() {
	if (!canCopy()) return false;
	if (!wxTheClipboard->Open()) return false;
	bool ok = wxTheClipboard->SetData(new CardOnClipboard(set, getCard())); // ignore result
	wxTheClipboard->Close();
	return ok;
}
bool CardListBase::doCut() {
	// cut = copy + delete
	if (!canCut()) return false;
	if (!doCopy()) return false;
	set->actions.add(new RemoveCardAction(*set, getCard()));
	return true;
}
bool CardListBase::doPaste() {
	// get data
	if (!canPaste()) return false;
	if (!wxTheClipboard->Open()) return false;
	CardDataObject data;
	bool ok = wxTheClipboard->GetData(data);
	wxTheClipboard->Close();
	if (!ok) return false;
	// add card to set
	CardP card = data.getCard(set);
	if (card) {
		set->actions.add(new AddCardAction(*set, card));
		return true;
	} else {
		return false;
	}
}

// ----------------------------------------------------------------------------- : CardListBase : Building the list

// Comparison object for comparing cards
bool CardListBase::compareItems(void* a, void* b) const {
	FieldP sort_field = column_fields[sort_by_column];
	ValueP va = reinterpret_cast<Card*>(a)->data[sort_field];
	ValueP vb = reinterpret_cast<Card*>(b)->data[sort_field];
	if (!va || !vb)  return va < vb; // got to do something, compare pointers
	return smart_less(  va->toString() , vb->toString() );
}

void CardListBase::rebuild() {
	ClearAll();
	column_fields.clear();
	selected_item_pos = -1;
	onRebuild();
	// determine column order
	map<int,FieldP> new_column_fields;
	FOR_EACH(f, set->game->card_fields) {
		ColumnSettings& cs = settings.columnSettingsFor(*set->game, *f);
		if (cs.visible && f->card_list_allow) {
			new_column_fields[cs.position] = f;
		}
	}
	// add columns
	FOR_EACH(f, new_column_fields) {
		ColumnSettings& cs = settings.columnSettingsFor(*set->game, *f.second);
		int align;
		if      (f.second->card_list_align & ALIGN_RIGHT)  align = wxLIST_FORMAT_RIGHT;
		else if (f.second->card_list_align & ALIGN_CENTER) align = wxLIST_FORMAT_CENTRE;
		else                                               align = wxLIST_FORMAT_LEFT;
		InsertColumn((long)column_fields.size(),
		             tr(*set->game, f.second->card_list_name, capitalize(f.second->card_list_name)),
		             align, cs.width);
		column_fields.push_back(f.second);
	}
	// find field that determines color
	color_style = findColorStyle();
	// determine sort settings
	GameSettings& gs = settings.gameSettingsFor(*set->game);
	sort_ascending = gs.sort_cards_ascending;
	sort_by_column = -1;
	long i = 0;
	FOR_EACH(f, column_fields) {
		if (f->name == gs.sort_cards_by) {
			// we are sorting by this column
			sort_by_column = i;
			// and display an arrow in the header
			wxListItem li;
			li.m_mask  = wxLIST_MASK_IMAGE;
			li.m_image = sort_ascending ? 0 : 1; // arrow up/down
			SetColumn(i, li);
		}
		++i;
	}
	refreshList();
	// select a card if possible
	selectItemPos(0, true);
}

ChoiceStyleP CardListBase::findColorStyle() {
	FOR_EACH(s, set->stylesheet->card_style) {
		ChoiceStyleP cs = dynamic_pointer_cast<ChoiceStyle>(s);
		if (cs && cs->colors_card_list) {
			return cs;
		}
	}
	return ChoiceStyleP();
}

// ----------------------------------------------------------------------------- : CardListBase : Columns

void CardListBase::storeColumns() {
	if (!set) return;
	// store column widths
	int i = 0;
	FOR_EACH(f, column_fields) {
		ColumnSettings& cs = settings.columnSettingsFor(*set->game, *f);
		cs.width = GetColumnWidth(i++);
	}
	// store sorting
	GameSettings& gs = settings.gameSettingsFor(*set->game);
	if (sort_by_column >= 0) gs.sort_cards_by = column_fields.at(sort_by_column)->name;
	else                     gs.sort_cards_by = wxEmptyString;
	gs.sort_cards_ascending = sort_ascending;
}
void CardListBase::selectColumns() {
	CardListColumnSelectDialog wnd(this, set->game);
	if (wnd.ShowModal() == wxID_OK) {
		rebuild(); // columns have changed
	}
}

// ----------------------------------------------------------------------------- : CardListBase : Item 'events'

String CardListBase::OnGetItemText(long pos, long col) const {
	if (col < 0 || (size_t)col >= column_fields.size()) {
		// wx may give us non existing columns!
		return wxEmptyString;
	}
	ValueP val = getCard(pos)->data[column_fields[col]];
	if (val) return val->toString();
	else     return wxEmptyString;
}

int CardListBase::OnGetItemImage(long pos) const {
	return -1;
}

wxListItemAttr* CardListBase::OnGetItemAttr(long pos) const {
	if (!color_style) return nullptr;
	ChoiceValueP val = static_pointer_cast<ChoiceValue>( getCard(pos)->data[color_style->fieldP]);
	assert(val);
	item_attr.SetTextColour(color_style->choice_colors[val->value()]); // if it doesn't exist we get black
	return &item_attr;
}

// ----------------------------------------------------------------------------- : CardListBase : Window events

void CardListBase::onColumnRightClick(wxListEvent&) {
	// show menu
	wxMenu* m = new wxMenu;
	m->Append(ID_SELECT_COLUMNS, _("&Select Columns..."), _("Select what columns should be shown and in what order."));
	PopupMenu(m);
}

void CardListBase::onSelectColumns(wxCommandEvent&) {
	selectColumns();
}

void CardListBase::onChar(wxKeyEvent& ev) {
	if (ev.GetKeyCode() == WXK_DELETE && allowModify()) {
		set->actions.add(new RemoveCardAction(*set, getCard()));
	} else if (ev.GetKeyCode() == WXK_TAB) {
		// send a navigation event to our parent, to select another control
		// we need this because tabs are not handled on the cards panel
		wxNavigationKeyEvent nev;
		nev.SetDirection(!ev.ShiftDown());
		GetParent()->ProcessEvent(nev);
	} else {
		ev.Skip();
	}
}

void CardListBase::onDrag(wxMouseEvent& ev) {
	if (!allowModify()) return;
	if (ev.Dragging() && selected_item && sort_by_column < 0) {
		// reorder card list
		int flags;
		long item = HitTest(ev.GetPosition(), flags);
		if (flags & wxLIST_HITTEST_ONITEM) {
			if (item > 0)                EnsureVisible(item-1);
			if (item < GetItemCount()-1) EnsureVisible(item+1);
			findSelectedItemPos();
			if (item != selected_item_pos) {
				// move card in the set
				set->actions.add(new ReorderCardsAction(*set, item, selected_item_pos));
			}
		}
	}
}

void CardListBase::onContextMenu(wxContextMenuEvent&) {
	if (allowModify()) {
		IconMenu m;
		m.Append(wxID_CUT,		_("cut"),		_CONTEXT_MENU_("cut"),			_HELP_("cut card"));
		m.Append(wxID_COPY,		_("copy"),		_CONTEXT_MENU_("copy"),			_HELP_("copy card"));
		m.Append(wxID_PASTE,	_("paste"),		_CONTEXT_MENU_("paste"),		_HELP_("paste card"));
		m.AppendSeparator();
		m.Append(ID_CARD_ADD,	_("card_add"),	_CONTEXT_MENU_("add card"),		_HELP_("add card"));
		m.Append(ID_CARD_REMOVE,_("card_del"),	_CONTEXT_MENU_("remove card"),	_HELP_("remove card"));
		PopupMenu(&m);
	}
}

// ----------------------------------------------------------------------------- : CardListBase : Event table

BEGIN_EVENT_TABLE(CardListBase, wxListView)
	EVT_LIST_COL_CLICK			(wxID_ANY,			CardListBase::onColumnClick)
	EVT_LIST_COL_RIGHT_CLICK	(wxID_ANY,			CardListBase::onColumnRightClick)
	EVT_LIST_ITEM_FOCUSED		(wxID_ANY,			CardListBase::onItemFocus)
	EVT_CHAR					(					CardListBase::onChar)
	EVT_MOTION					(					CardListBase::onDrag)
	EVT_MENU					(ID_SELECT_COLUMNS,	CardListBase::onSelectColumns)
	EVT_CONTEXT_MENU            (                   CardListBase::onContextMenu)
END_EVENT_TABLE  ()
