/*******************************************************************************
ModuleName:   ODB Real Time Database management system (For New Generation)
FileName:	  odb_system.h
DESCRIPTION:  class system define
FUNCTION LIST:
COMMENT:
History:                                                        
Date          Version     Modifier                Activities
2018-11-19    1.0         wuqx                     created
*******************************************************************************/

#ifndef	__ODB_SYSTEM_H__
#define	__ODB_SYSTEM_H__

#include "db_api/odb_prv_struct.h"
#include "db_api/odb_define.h"
#include "priv_para.h"

#include <map>
#include <pthread.h>

namespace ODB
{
class COdbSystem
{
//function to get singleton
public:
	static COdbSystem* GetSystemInstance();
	static COdbSystem* pInstance;
	static pthread_mutex_t _mutex;

//creator & destructor
public:
	COdbSystem();
	COdbSystem(bool load_flag);
	~COdbSystem();

//inneer creator to load config data or initialize all infomation
private:
	int InitSystem();
	int LoadSystem();
	

public:
	//scenario allocator
	int AddScenario(
		const std::string& scenario,
		const unsigned int scenario_inst_no,
		const std::string& sub_scenario,
		const unsigned int sub_scenario_inst_no);
		
	int AddScenario(
		const unsigned int scenario_ID,
		const unsigned int scenario_inst_no,
		const unsigned int sub_scenario_ID,
		const unsigned int sub_scenario_inst_no);	

	int ScenarioRemove(
		const int scenario_ID,
    		const int scenario_inst_no,
    		const int sub_scenario_ID,
    		const int sub_scenario_inst_no);
	
	//scenario locator
	int IsScenarioCreated(
		const std::string& scenario,
		const unsigned int scenario_inst_no,
		const std::string& sub_scenario,
		const unsigned int sub_scenario_inst_no);
		
	int IsScenarioCreated(
		const unsigned int scenario_ID,
		const unsigned int scenario_inst_no,
		const unsigned int sub_scenario_ID,
		const unsigned int sub_scenario_inst_no);	

	int IsSubScenarioLoaded(
		const unsigned int scenario_ID,
                const unsigned int scenario_inst_no,
                const unsigned int sub_scenario_ID,
                const unsigned int sub_scenario_inst_no);

	int IsSubScenarioLoaded(
		const std::string& scenario,
                const unsigned int scenario_inst_no,
                const std::string& sub_scenario,
                const unsigned int sub_scenario_inst_no);

//sub_scenario manage	
	int LoadSubScenario(
		const std::string& scenario,
    		const unsigned int scenario_inst_no,
    		const std::string& sub_scenario,
    		const unsigned int sub_scenario_inst_no);
		
	int LoadSubScenario(
		const unsigned int scenario_ID,
		const unsigned int scenario_inst_no,
		const unsigned int sub_scenario_ID,
		const unsigned int sub_scenario_inst_no);
    
	int CreateSubScenarioInst(
		const std::string& scenario,
		const unsigned int scenario_inst_no,
		const std::string& sub_scenario,
		const unsigned int sub_scenario_inst_no);

//infomation aquire
	//exchange name & no
	int GetScenarioNameByNo(std::string& scenario_name, const unsigned int scenario_id) const;
	int GetScenarioNoByName(const std::string& scenario_name, unsigned int& scenario_id) const;
	int GetSubScenarioNameByNo(std::string& sub_scenario_name, const unsigned int sub_scenario_id) const;
	int GetSubScenarioNoByName(const std::string& sub_scenario_name, unsigned int& sub_scenario_id) const;
        int GetAllOdbNoBySubScenarioName (std::vector<int>& vec_table, const std::string&  scenario_name, const unsigned int scenario_inst,
                                                    const std::string& sub_scenario, const unsigned int sub_scenario_inst) const;	
	
        int   GetTableNoByChnName(const char* table_name, bool is_real = false);
	int   GetTableNoByName(const char* table_name, bool is_real = false);
	int   GetTableNameByNo(char* table_name, const unsigned int r_table_no, const bool is_eng=true);
	const char* GetTableNameByNo(const unsigned int r_table_no);
	
	int IsTableExisted(const char*  table_name) const;
	int IsTableExisted(const unsigned int table_no) const;

//distribute subscn judge
        bool IsSubScenarioDistribute(const std::string& sub_scenario_name);
        bool IsSubScenarioDistribute(const unsigned int sub_scenario_id);
        int DistributeSubScenario(const std::string& DistSubScenarioName, std::string& SubScenarioName);	
//system reload
	int ReLoadSystem();

//for debug
	int Show();
	int GetAllScenarioInfo(vector <struct ALL_SCN_INFO>& all_scn_info);
	
public:
//ptr access
	DB_APP_TAB* GetAppPtr() const;
	DB_CTRL_TAB* GetDbCtrlPtr() const;
        DB_CTRL_TAB* GetTabDbCtrlPtr(const char* table_name) const;
	DB_CTRL_TAB* GetTabDbCtrlPtr(unsigned int table_no) const;

private:    
  	int GenerateSemKey(
  		const unsigned int scenario_ID,
    		const unsigned int scenario_inst_no,
    		const unsigned int sub_scenario_ID,
    		const unsigned int sub_scenario_inst_no);
  	int if_sub_scenario_sliced(const std::string& sub_scenario);
private:
	bool IsSpace(char c);
	void Trim(string & str);
	bool AnalyseLine(const string & line, string & key, string & val);
	int InitMap();
	
	void scenario_table_clear(struct SCENARIO_INFO* ptr);
	void sub_scenario_table_clear(struct SUB_SCENARIO_INFO* ptr);	
	
private:
	//inner member
//id_name map
	std::map<int, string> scenario_name_id_map;
	std::map<int, string> sub_scenario_name_id_map;
	std::map<string, int> scenario_id_name_map;
	std::map<string, int> sub_scenario_id_name_map;

//system memory ptr	
	struct SYSTEM_INFO* p_sys_info;
	struct SCENARIO_INFO* p_scenario_table;
//sub_scenario
	DB_APP_TAB* m_AppTabPtr;
	DB_CTRL_TAB* m_DbCtrlTabPtr;
	DB_CTRL_TAB* m_CurDbCtrlTabPtr;
	 

	unsigned int work_mode;   //1 means writable 0 means no writable
	int sem_id;		
	unsigned long memsize;
	std::string m_sys_path;
	std::string m_sub_scn_path;
	std::string m_table_path;
};
}

#endif