/**
 * @author Edouard DUPIN
 * 
 * @copyright 2014, Edouard DUPIN, all right reserved
 * 
 * @license BSD v3 (see license file)
 */

#ifndef __EAUDIOFX_BLOCK_META_H__
#define __EAUDIOFX_BLOCK_META_H__

#include <eaudiofx/core/Block.h>
#include <vector>

namespace eaudiofx {
	class BlockMeta : public eaudiofx::Block {
		public:
			BlockMeta(void);
			virtual ~BlockMeta(void);
		private:
			std::vector<eaudiofx::Block*> m_list; //!< list of all block to process.
		protected:
			/**
			 * @brief Get a pointer on a specific block.
			 * @param[in] _name Name of the block.
			 * @return generic error
			 */
			eaudiofx::Block* getBlock(const std::string& _name);
		public:
			/**
			 * @brief Add a block in the Meta-block
			 * @param[in] _block Pointer on the block (do not free yourself)
			 * @return generic error
			 */
			int32_t addBlock(eaudiofx::Block* _block);
			/**
			 * @brief Add a block in the Meta-block.
			 * @param[in] _blockType Name of the type of block to add.
			 * @param[in] _name Name of the block to add.
			 * @return generic error
			 */
			int32_t addBlock(const std::string& _blockType, const std::string& _name = "");
			/**
			 * @brief Remove a block from the Meta-block
			 * @param[in] _name Name of the block to remove
			 * @note This free the block pointer
			 * @return generic error
			 */
			int32_t removeBlock(const std::string& _name);
			/**
			 * @brief Replace a block with an other
			 * @param[in] _nameUnLink Name of the block to UnLink
			 * @param[in] _nameLink Name of the block to Link
			 * @note This free the block pointer
			 * @return generic error
			 */
			int32_t replaceFilter(const std::string& _nameUnLink, const std::string& _nameLink);
			/**
			 * @brief Link 2 IO.
			 * @param[in] _generatorBlockName Name ot the generator Block
			 * @param[in] _generatorIoName Name of the outout
			 * @param[in] _receiverBlockName Name ot the receiver Block
			 * @param[in] _receiverIoName Name of the input
			 * @return generic error
			 */
			int32_t linkBlock(const std::string& _generatorBlockName,
			                  const std::string& _generatorIoName,
			                  const std::string& _receiverBlockName,
			                  const std::string& _receiverIoName);
			/**
			 * @brief Open file property
			 * @param[in] _fileName Name of the file to open
			 * @return generic error
			 */
			int32_t openFile(const std::string& _fileName);
			/**
			 * @brief Open stream property
			 * @param[in] _stream data stream to open
			 * @return generic error
			 */
			int32_t openStream(const std::string& _stream);
		public: // herited function
			virtual int32_t init(void);
			virtual int32_t unInit(void);
			virtual int32_t start(void);
			virtual int32_t stop(void);
	};
};

#endif