//+----------------------------------------------------------------------------+
//| Description:  Magic Set Editor - Program to make card games                |
//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
//| License:      GNU General Public License 2 or later (see file COPYING)     |
//+----------------------------------------------------------------------------+

#pragma once

/** @file data/action/set.hpp
 *
 *  Actions operating on Sets
 */

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

#include <util/prec.hpp>
#include <util/action_stack.hpp>
#include <data/action/generic.hpp>

class Set;
DECLARE_POINTER_TYPE(Card);
DECLARE_POINTER_TYPE(StyleSheet);
DECLARE_POINTER_TYPE(Field);
DECLARE_POINTER_TYPE(Value);
DECLARE_POINTER_TYPE(PackType);

// ----------------------------------------------------------------------------- : Add card

/// An Action the changes the card list of a set
class CardListAction : public Action {
public:
  inline CardListAction(Set& set) : set(set) {}
  
protected:
  Set& set; // the set owns this action, so the set will not be destroyed before this
            // therefore we don't need a smart pointer
};

/// Adding a new card to a set
class AddCardAction : public CardListAction {
public:
  /// Add a newly allocated card
  AddCardAction(Set& set);
  AddCardAction(AddingOrRemoving, Set& set, const vector<CardP>& cards);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
  const GenericAddAction<CardP> action;
  vector<ActionP> card_link_actions;
};

// ----------------------------------------------------------------------------- : Reorder cards

/// Change the position of a card in the card list by swapping two cards
class ReorderCardsAction : public CardListAction {
public:
  ReorderCardsAction(Set& set, size_t card_id1, size_t card_id2);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
  //private:
  const size_t card_id1, card_id2;  ///< Positions of the two cards to swap
};

// ----------------------------------------------------------------------------- : Link cards

/// Add a link between two or more cards
class OneWayLinkCardsAction : public CardListAction {
public:
  OneWayLinkCardsAction(Set& set, CardP& card, const String& uid, const String& relation, int index);

  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;

  //private:
  CardP   card;            ///< The card we change the link of. We hold a reference so it doesn't get destroyed before this.
  String* linked_uid;      ///< The uid slot we need to change
  String* linked_relation; ///< The relation slot we need to change
  String  uid;             ///< The uid we have to change the link to
  String  relation;        ///< The relation we have to change the link to
};

// ----------------------------------------------------------------------------- : Change stylesheet

/// An action that affects the rendering/display/look of a set or cards in the set
class DisplayChangeAction : public Action {
public:
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
};

/// Changing the style of a a card
class ChangeCardStyleAction : public DisplayChangeAction {
public:
  ChangeCardStyleAction(const CardP& card, const StyleSheetP& stylesheet);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
  //private:
  CardP                   card;         ///< The affected card
  StyleSheetP             stylesheet;   ///< Its old stylesheet
  bool                    has_styling;  ///< Its old has_styling
  IndexMap<FieldP,ValueP> styling_data; ///< Its old styling data
};

/// Changing the style of a set to that of a card
class ChangeSetStyleAction : public DisplayChangeAction {
public:
  ChangeSetStyleAction(Set& set, const CardP& card);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
private:
  Set&        set;      ///< The affected set
  CardP       card;      ///< The card whos stylesheet is copied to the set
  StyleSheetP stylesheet;    ///< The old stylesheet of the set
  vector<int> has_styling;    ///< The old has_styling values of all cards (vector<bool> is evil)
};

/// Changing the styling of a card to become custom/non-custom
/** i.e. toggle card->has_styling */
class ChangeCardHasStylingAction : public DisplayChangeAction {
public:
  ChangeCardHasStylingAction(Set& set, const CardP& card);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
  //private:
  Set&                    set;          ///< The set to copy styling from
  CardP                   card;         ///< The affected card
  IndexMap<FieldP,ValueP> styling_data; ///< The old styling of the card
};

// ----------------------------------------------------------------------------- : Change notes

/// Changing the notes of a card
class ChangeCardNotesAction : public Action {
public:
  ChangeCardNotesAction(const CardP& card, const String& notes);

  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;

  //private:
  CardP  card;  ///< The affected card
  String notes; ///< Its old notes
};

// ----------------------------------------------------------------------------- : Change uid

/// Changing the uid of a card
class ChangeCardUIDAction : public CardListAction {
public:
  ChangeCardUIDAction(Set& set, const CardP& card, const String& id);

  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;

  //private:
  CardP  card; ///< The affected card
  String uid;  ///< Its old uid
};

// ----------------------------------------------------------------------------- : Pack types

/// An Action the changes the pack types of a set
class PackTypesAction : public Action {
public:
  inline PackTypesAction(Set& set) : set(set) {}
  
protected:
  Set& set; // the set owns this action, so the set will not be destroyed before this
            // therefore we don't need a smart pointer
};

/// Adding/removing a pack from a Set
class AddPackAction : public PackTypesAction {
public:
  /// Add a newly allocated card
  AddPackAction(AddingOrRemoving, Set& set, const PackTypeP& pack);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
  const GenericAddAction<PackTypeP> action;
};

/// Updating a pack in a Set
class ChangePackAction : public PackTypesAction {
public:
  /// Add a newly allocated card
  ChangePackAction(Set& set, size_t pos, const PackTypeP& new_pack);
  
  String getName(bool to_undo) const override;
  void perform(bool to_undo) override;
  
private:
  PackTypeP pack;
  size_t    pos;
};