#ifndef XIV_DAT_CAT_H
#define XIV_DAT_CAT_H

#include <memory>
#include <vector>
#include <experimental/filesystem>

namespace xiv {
namespace dat {

class Index;
class Dat;
class File;

// A category represents an .index and its associated .datX
class Cat
{
public:
   // basePath: Path to the folder containingthe datfiles
   // catNum: The number of the category
   // name: The name of the category, empty if not known
   Cat( const std::experimental::filesystem::path& basePath, uint32_t catNum, const std::string& name );

   // basePath: Path to the folder containingthe datfiles
   // catNum: The number of the category
   // name: The name of the category, empty if not known
   // exNum: The number of the expansion to load from
   // chunk: The chunk to load from
   Cat( const std::experimental::filesystem::path& basePath, uint32_t catNum, const std::string& name, uint32_t exNum, uint32_t chunk );
   ~Cat();

   // Returns .index of the category
   const Index& getIndex() const;

   // Retrieve a file from the category given its hashes
   std::unique_ptr<File> getFile( uint32_t dir_hash, uint32_t filename_hash ) const;


   bool doesFileExist( uint32_t dir_hash, uint32_t filename_hash ) const;
   bool doesDirExist( uint32_t dir_hash ) const;


   // Returns thename of the category
   const std::string& getName() const;

   // Returns the number of the category
   uint32_t getCatNum() const;

protected:
   const std::string m_name;
   const uint32_t m_catNum;
   const uint32_t m_chunk;

   // The .index
   std::unique_ptr<Index> m_index;

   // The .datXs such as dat nb X => m_dats[X]
   std::vector<std::unique_ptr<Dat>> m_dats;
};
    
}
}

#endif // XIV_DAT_CAT_H