#pragma once

#ifndef TPROPERTY_INCLUDED

#define TPROPERTY_INCLUDED

#include "tconvert.h"

#include "tstringid.h"

#include <cstdint></cstdint>

#undef DVAPI

#undef DVVAR

#ifdef TNZCORE_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

#ifdef _MSC_VER

#pragma warning(push)

#pragma warning(disable : 4251)

#endif

template <class t=""></class>

class TRangeProperty;

typedef TRangeProperty<int> TIntProperty;</int>

typedef TRangeProperty<double> TDoubleProperty;</double>

class DVAPI TBoolProperty;

class DVAPI TStringProperty;

class DVAPI TEnumProperty;

class DVAPI TDoublePairProperty;

class DVAPI TIntPairProperty;

class DVAPI TStyleIndexProperty;

class DVAPI TPointerProperty;

class TIStream;

class TOStream;

//---------------------------------------------------------

class DVAPI TProperty {

public:

  class Visitor {

  public:

    virtual void visit(TDoubleProperty *p)     = 0;

    virtual void visit(TIntProperty *p)        = 0;

    virtual void visit(TBoolProperty *p)       = 0;

    virtual void visit(TStringProperty *p)     = 0;

    virtual void visit(TEnumProperty *p)       = 0;

    virtual void visit(TDoublePairProperty *p) = 0;

    virtual void visit(TIntPairProperty *p)    = 0;

    virtual void visit(TStyleIndexProperty *p) = 0;

    virtual void visit(TPointerProperty *p)    = 0;

    virtual ~Visitor() {}

  };

  class Listener {

  public:

    virtual void onPropertyChanged() = 0;

    virtual ~Listener() {}

  };

  // eccezioni

  class TypeError {};

  class RangeError {};

  TProperty(std::string name):

    m_name(name),

    m_visible(true),

    m_qstringName(QString::fromStdString(name))

    { }

  virtual ~TProperty() {}

  virtual TProperty *clone() const = 0;

  // Used only for translation in Qt

  QString getQStringName() const { return m_qstringName; }

  void setQStringName(const QString &str) { m_qstringName = str; }

  virtual void assignUIName(TProperty *refP);

  std::string getName() const { return m_name.str(); }

  TStringId getNameId() const { return m_name; }

  virtual std::string getValueAsString() = 0;

  virtual void accept(Visitor &v) = 0;

  void addListener(Listener *listener);

  void removeListener(Listener *listener);

  void notifyListeners() const;

  // Used to pass action name

  std::string getId() const { return m_id; }

  void setId(std::string id) { m_id = id; }

  bool getVisible() const { return m_visible; }

  void setVisible(bool state) { m_visible = state; }

private:

  TStringId m_name;

  QString m_qstringName;

  std::string m_id;

  std::vector<listener *=""> m_listeners;</listener>

  bool m_visible;

};

//---------------------------------------------------------

template <class t=""></class>

class TRangeProperty final : public TProperty {

public:

  typedef std::pair<t, t=""> Range;</t,>

  TRangeProperty(std::string name, T minValue, T maxValue, T value,

                 bool isMaxRangeLimited = true)

      : TProperty(name)

      , m_range(minValue, maxValue)

      , m_value(minValue)

      , m_isMaxRangeLimited(isMaxRangeLimited)

      , m_isLinearSlider(true) {

    setValue(value);

  }

  TProperty *clone() const override { return new TRangeProperty<t>(*this); }</t>

  Range getRange() const { return m_range; }

  void setValue(T v, bool cropEnabled = false) {

    if (cropEnabled && m_isMaxRangeLimited)

      v = tcrop(v, m_range.first, m_range.second);

    if (cropEnabled && !m_isMaxRangeLimited)

      v = v < m_range.first ? m_range.first : v;

    if (v < m_range.first || (v > m_range.second && m_isMaxRangeLimited))

      throw RangeError();

    m_value = v;

  }

  T getValue() const { return m_value; }

  std::string getValueAsString() override { return std::to_string(m_value); }

  void accept(Visitor &v) override { v.visit(this); }

  bool isMaxRangeLimited() const { return m_isMaxRangeLimited; }

  void setNonLinearSlider() { m_isLinearSlider = false; }

  bool isLinearSlider() { return m_isLinearSlider; }

private:

  Range m_range;

  T m_value;

  bool m_isMaxRangeLimited;

  bool m_isLinearSlider;

};

//---------------------------------------------------------

#ifdef _WIN32

template class DVAPI TRangeProperty<int>;</int>

template class DVAPI TRangeProperty<double>;</double>

#endif

//---------------------------------------------------------

class TDoublePairProperty final : public TProperty {

public:

  typedef std::pair<double, double=""> Range;</double,>

  typedef std::pair<double, double=""> Value;</double,>

  TDoublePairProperty(std::string name, double minValue, double maxValue,

                      double v0, double v1, bool isMaxRangeLimited = true)

      : TProperty(name)

      , m_range(Range(minValue, maxValue))

      , m_isMaxRangeLimited(isMaxRangeLimited)

      , m_isLinearSlider(true) {

    setValue(Value(v0, v1));

  }

  TProperty *clone() const override { return new TDoublePairProperty(*this); }

  Range getRange() const { return m_range; }

  bool isMaxRangeLimited() const { return m_isMaxRangeLimited; }

  void setValue(const Value &value) {

    if (value.first < m_range.first ||

        (m_isMaxRangeLimited && value.first > m_range.second) ||

        value.second < m_range.first ||

        (m_isMaxRangeLimited && value.second > m_range.second))

      throw RangeError();

    m_value = value;

  }

  Value getValue() const { return m_value; }

  std::string getValueAsString() override {

    return std::to_string(m_value.first) + "," + std::to_string(m_value.second);

  }

  void accept(Visitor &v) override { v.visit(this); };

  void setNonLinearSlider() { m_isLinearSlider = false; }

  bool isLinearSlider() { return m_isLinearSlider; }

private:

  Range m_range;

  Value m_value;

  bool m_isMaxRangeLimited;

  bool m_isLinearSlider;

};

//---------------------------------------------------------

class TIntPairProperty final : public TProperty {

public:

  typedef std::pair<int, int=""> Range;</int,>

  typedef std::pair<int, int=""> Value;</int,>

  TIntPairProperty(std::string name, int minValue, int maxValue, int v0, int v1,

                   bool isMaxRangeLimited = true)

      : TProperty(name)

      , m_range(minValue, maxValue)

      , m_isMaxRangeLimited(isMaxRangeLimited)

      , m_isLinearSlider(true) {

    setValue(Value(v0, v1));

  }

  TProperty *clone() const override { return new TIntPairProperty(*this); }

  Range getRange() const { return m_range; }

  bool isMaxRangeLimited() const { return m_isMaxRangeLimited; }

  void setValue(const Value &value) {

    if (value.first < m_range.first ||

        (m_isMaxRangeLimited && value.first > m_range.second) ||

        value.second < m_range.first ||

        (m_isMaxRangeLimited && value.second > m_range.second))

      throw RangeError();

    m_value = value;

  }

  Value getValue() const { return m_value; }

  std::string getValueAsString() override {

    return std::to_string(m_value.first) + "," + std::to_string(m_value.second);

  }

  void accept(Visitor &v) override { v.visit(this); };

  void setNonLinearSlider() { m_isLinearSlider = false; }

  bool isLinearSlider() { return m_isLinearSlider; }

private:

  Range m_range;

  Value m_value;

  bool m_isMaxRangeLimited;

  bool m_isLinearSlider;

};

//---------------------------------------------------------

class DVAPI TBoolProperty final : public TProperty {

public:

  TBoolProperty(std::string name, bool value)

      : TProperty(name), m_value(value) {}

  TProperty *clone() const override { return new TBoolProperty(*this); }

  void setValue(bool v) { m_value = v; }

  bool getValue() const { return m_value; }

  std::string getValueAsString() override { return std::to_string(m_value); }

  void accept(Visitor &v) override { v.visit(this); };

private:

  bool m_value;

};

//---------------------------------------------------------

class DVAPI TStringProperty final : public TProperty {

public:

  TStringProperty(std::string name, std::wstring value)

      : TProperty(name), m_value(value) {}

  TProperty *clone() const override { return new TStringProperty(*this); }

  void setValue(std::wstring v) { m_value = v; }

  std::wstring getValue() const { return m_value; }

  std::string getValueAsString() override { return ::to_string(m_value); }

  void accept(Visitor &v) override { v.visit(this); };

private:

  std::wstring m_value;

};

//---------------------------------------------------------

class DVAPI TStyleIndexProperty final : public TProperty {

public:

  TStyleIndexProperty(std::string name, std::wstring value)

      : TProperty(name), m_value(value) {}

  TProperty *clone() const override { return new TStyleIndexProperty(*this); }

  void setValue(std::wstring v) { m_value = v; }

  std::wstring getValue() const { return m_value; }

  std::string getValueAsString() override { return ::to_string(m_value); }

  void accept(Visitor &v) override { v.visit(this); };

private:

  std::wstring m_value;

};

//------------------------------------------------------------------

class DVAPI TPointerProperty final : public TProperty {

public:

  TPointerProperty(std::string name, void *value)

      : TProperty(name), m_value(value) {}

  TProperty *clone() const override { return new TPointerProperty(*this); }

  void setValue(void *v) { m_value = v; }

  void *getValue() const { return m_value; }

  std::string getValueAsString() override { return ::to_string(m_value); }

  void accept(Visitor &v) override { v.visit(this); };

private:

  void *m_value;

};

//---------------------------------------------------------

class DVAPI TEnumProperty final : public TProperty {

public:

  typedef std::vector<std::wstring> Range;</std::wstring>

  // Used only for translation and styling in Qt

  struct Item {

    QString UIName;

    QString iconName;

    Item(const QString &name = QString(), const QString &icon = QString())

        : UIName(name), iconName(icon) {}

  };

  typedef std::vector<item> Items;</item>

  TEnumProperty(const std::string &name) : TProperty(name), m_index(-1) {}

  TEnumProperty(const std::string &name, const Range &range,

                const std::wstring &v)

      : TProperty(name), m_range(range), m_index(indexOf(v)) {

    if (m_index < 0) throw RangeError();

    m_items.resize(m_range.size());

  }

  TEnumProperty(const std::string &name, Range::const_iterator i0,

                Range::const_iterator i1, const std::wstring &v)

      : TProperty(name), m_range(i0, i1), m_index(indexOf(v)) {

    if (m_index < 0) throw RangeError();

    m_items.resize(m_range.size());

  }

  TProperty *clone() const override { return new TEnumProperty(*this); }

  int indexOf(const std::wstring &value) {

    Range::const_iterator it = std::find(m_range.begin(), m_range.end(), value);

    return (it == m_range.end()) ? -1 : it - m_range.begin();

  }

  bool isValue(const std::wstring &value) {

    bool ret =

        std::find(m_range.begin(), m_range.end(), value) != m_range.end();

    return ret;

  }

  void addValueWithUIName(std::wstring value, const QString &name, const QString &iconName = QString()) {

    if (m_index == -1) m_index = 0;

    m_range.push_back(value);

    m_items.push_back(Item(name, iconName));

  }

  void addValue(std::wstring value, const QString &iconName = QString())

    { addValueWithUIName(value, QString::fromStdWString(value), iconName); }

  void setItemUIName(std::wstring value, const QString &name) {

    int index = indexOf(value);

    if (index < 0 || index >= (int)m_items.size()) throw RangeError();

    m_items[index].UIName = name;

  }

  void deleteAllValues() {

    m_range.clear();

    m_items.clear();

    m_index = -1;

  }

  void setIndex(int index) {

    if (index < 0 || index >= (int)m_range.size()) throw RangeError();

    m_index = index;

  }

  void setValue(const std::wstring &value) {

    int idx = indexOf(value);

    //if (idx < 0) throw RangeError();

    if (idx < 0)

      idx = 0;  // Avoid exception if program's item list doesn't contain

                //  the selected item in scene file

    m_index = idx;

  }

  int getCount() const { return (int)m_items.size(); }

  const Range &getRange() const { return m_range; }

  const Items &getItems() const { return m_items; }

  std::wstring getValue() const {

    return (m_index < 0) ? L"" : m_range[m_index];

  }

  std::string getValueAsString() override {

    return ::to_string(m_range[m_index]);

  }

  int getIndex() const { return m_index; }

  void accept(Visitor &v) override { v.visit(this); }

  static void enableRangeSaving(bool on);

  static bool isRangeSavingEnabled();

  void assignUIName(TProperty *refP) override;

private:

  Range m_range;

  Items m_items;

  int m_index;

};

//---------------------------------------------------------

class DVAPI TPropertyGroup {

public:

  typedef std::vector<std::pair<tproperty *,="" bool="">> PropertyVector;</std::pair<tproperty>

  typedef std::map<tstringid, *="" tproperty=""> PropertyTable;</tstringid,>

  // exception

  class PropertyNotFoundError {};

  TPropertyGroup();

  virtual ~TPropertyGroup();

  virtual TPropertyGroup *clone() const;

  //! get ownership

  void add(TProperty *p);

  //! don't get ownership

  void bind(TProperty &p);

  //! returns 0 if the property doesn't exist

  TProperty *getProperty(const TStringId &name);

  TProperty *getProperty(const std::string &name)

    { return getProperty(TStringId::find(name)); }

  TProperty *getProperty(int i)

    { return (i >= (int)m_properties.size()) ? 0 : m_properties[i].first; }

  void setProperties(TPropertyGroup *g);

  void accept(TProperty::Visitor &v);

  int getPropertyCount() const { return (int)m_properties.size(); }

  void loadData(TIStream &is);

  void saveData(TOStream &os) const;

  void clear();

  // for adding translation to file writers properties

  virtual void updateTranslation(){};

  void assignUINames(TPropertyGroup *refPg);

private:

  PropertyTable m_table;

  PropertyVector m_properties;

private:

  // not implemented

  TPropertyGroup(const TPropertyGroup &);

  TPropertyGroup &operator=(const TPropertyGroup &);

};

//---------------------------------------------------------

#ifdef _MSC_VER

#pragma warning(pop)

#endif

#endif