#include "kryObject.h"

enum kryScriptType 
{
  KRY_FORMAT_SSA, 
  KRY_FORMAT_ASS, 
  KRY_FORMAT_SRT,
  KRY_FORMAT_TEXT,
  KRY_FORMAT_ENCORE
};

struct event_node_data
{
  GList *events;
};


class kryScript : public kryObject
{
public:
  kryScript();
  ~kryScript();


  kryStyle *GetStyle(char *name);
  void GetStyleNameIterator(kryListIterator<char *> *iter);
  void AddStyle(kryStyle *style);
  void RemoveStyle(char *name);
  void AddDefaultStyle();

  char *GetProperty(char *key);
  void SetProperty(char *key, char *value);
  void GetPropertyNameIterator(kryListIterator<char *> *iter);

  gboolean GetModifiedFlag();
  void SetModifiedFlag(gboolean modified);

  enum kryScriptType GetType();
  void SetType(enum kryScriptType);

  char *GetFilename();
  void SetFilename(char *filename);

  char *GetSuggestedFilename();
  void SetSuggestedFilename(char *);

  void AddEvent(kryEventDetailed *event);
  void InsertEvent(kryEventDetailed *event, int n);
  kryEventDetailed *GetEvent(int index);
  void RemoveEvent(kryEventDetailed *event);
  kryEventDetailed *GetNthEvent(int n);

  static void BeforeModifyEventW(kryObject *obj, void *data, kryScript *script);
  void BeforeModifyEvent(kryEventDetailed *line);

  static void AfterModifyEventW(kryObject *obj, void *data, kryScript *script);
  void AfterModifyEvent(kryEventDetailed *line);

  static void BeforeModifyNameW(kryObject *obj, void *data, kryScript *script);
  void BeforeModifyName(kryEventDetailed *line);

  static void AfterModifyNameW(kryObject *obj, void *data, kryScript *script);
  void AfterModifyName(kryEventDetailed *line);

  int GetBlankCount();
  void SetBlankCount(int count);

  int GetEventCount();

  kryList<kryEventDetailed *> & GetEventList();
  void GetEventIterator(kryListIterator<kryEventDetailed *> *iter);

  int GetID();
  void SetID(int id);

  void GetCollisionIterator(kryListIterator<kryEventDetailed *> *iter);

  void PrintEvents();

  void EventTreeRemoveEvent(kryEventDetailed *event);


  static void PavlDestroyFunc(struct event_node_data *data);

  void DisableCollisions();
  void EnableCollisions();


  void GetNameIterator(kryListIterator <char *> *iter);
  int GetNameCount();
  char *GetNthName(int index);

  enum file_encoding GetEncoding();
  void SetEncoding(enum file_encoding encoding);

  kryScript *Copy();

  enum
  {
    SIGNAL_COLLISION,
    SIGNAL_NAME_ADDED,
    SIGNAL_NAME_DELETED,
    SIGNAL_MODIFIED,
    SIGNAL_TYPE_CHANGED,
    SIGNAL_ENCODING_CHANGED,
    SIGNAL_EVENT_ADDED,
    SIGNAL_EVENT_REMOVED,
    SIGNAL_COUNT
  };

  //gboolean isUTF8;
  //gboolean isUTF16;

private:
  void Init();

  static int EventNodeCompare(const void *a, const void *b, void * param);
  static void EventNodeFree(void *a, void *param);
  void HookSignals(kryEventDetailed *event);

  void NameHashAdd(char *name);
  void NameHashRemove(char *name);

  struct pavl_table *m_tree_events;

  gboolean m_disable_collisions;

  enum file_encoding m_encoding;

  /* Whether or not this script has been modified since last save */
  gboolean m_modifiedFlag;

  /* The file this script is associated with. */
  char *m_filename;

  /* The file name to suggest if the file has not been saved yet */
  char *m_filename_suggested;

  /* Arbitrary script properties */
  kryHash<char *, char *> *m_properties;
  
  /* Script styles */
  kryHash<char *, kryStyle *> *m_styles;

  /* Character names */
  kryHash<char *, int> *m_names;

  /* Script events */
  kryList <kryEventDetailed *> m_events;

  /* Collisions: list of all events that overlap */
  kryList <kryEventDetailed *> m_collisions;

  /* The number of 'blank' events at the end of the events list */
  int m_blank_count; 

  /* Script ID. This is used for the AutoSave filename if the file has not been saved yet. */
  int m_id;

  enum kryScriptType m_script_type; 

};