/*
 * Store.hh
 *
 *  Created on: Oct 31, 2010
 *      Author: lamikr
 */

#ifndef W1STORE_HH_
#define W1STORE_HH_

#include <string>
#include <list>
#include <vector>

#include <stdbool.h>

#include "Data.hh"
#include "Date.hh"
#include "Store.hh"

namespace plp {
	class StoreDay: public plp::Store {
		public:
			StoreDay(std::string device_id_param,
				plp::Date *date_time_param);
			StoreDay(std::string file_name_param);
			virtual ~StoreDay();
			static void save(std::string device_id, std::list<plp::Data *> *data_list, int dec_precision);
			plp::DataRange *get_sum(EnumSummaryPeriod period_type_param);
			plp::DataRange *get_mean(EnumSummaryPeriod period_type_param);
			plp::DataRange *get_delta(EnumSummaryPeriod period_type_param);
			plp::DataRange *get_max(EnumSummaryPeriod period_type_param);
			plp::DataRange *get_min(EnumSummaryPeriod period_type_param);
			plp::Data *get_oldest_data();
			plp::Data *get_latest_data();
			plp::DataRange *get_oldest_and_latest_data();
			/*
			 * Checks whether store file exist.
			 */
			bool exist(bool writable);
			static bool exist(std::string dev_id,
					plp::Date *date,
					bool writable);
			static bool exist_in_month(string device_id,
						Date *date,
						bool writable);
			static bool exist_in_year(string device_id,
						Date *date,
						bool writable);
			static bool get_next_date_with_data(std::string device_id,
							plp::Date *next_date,
							plp::Date *max_date);
		protected:
			std::string	store_fname;
			bool load();
			plp::DataRange *get_max_or_min(EnumSummaryPeriod period_type_param, bool max);
			static std::string get_dir_name(std::string device_id,
							plp::Date *date_time_param);
			static std::string get_year_dir_name(std::string device_id,
							plp::Date *date_time_param);
			static std::string get_file_name(std::string device_id,
							plp::Date *date_time_param);
			plp::DataRange *get_oldest_and_latest_data(std::string fname_param);
			/**
			 * Check whether the given file exist and has either read or write permissions.
			 */
			static bool exist(std::string fname_param, bool writable);
			/**
			 * Go through days in month to find out whether daily data file exist.
			 *
			 * If data is not found, false is returned and last scanned date is set to next_date.
			 * If data is found true is returned and date is set to next_date.
			 */
			static bool data_day_scan_days_in_month(string dev_id_param,
							Date *next_date,
							Date *max_date);
			/**
			 * Go through month dir in year to find out first date with data
			 * after the given date.
			 *
			 * If data is not found, false is returned and last scanned date is set to next_date.
			 * If data is found true is returned and date is set to next_date.
			 */
			static bool data_day_scan_month_in_year(string dev_id_param,
							Date *next_date,
							Date *max_date);
			/**
			 * Go through year and month directories to find out first date with data
			 * after the given date.
			 *
			 * If data is not found, false is returned and last scanned date is set to next_date.
			 * If data is found true is returned and date is set to next_date.
			 */
			static bool data_day_scan_years(string dev_id_param,
						Date *next_date,
						Date *max_date);
	};
}

#endif /* W1STORE_HH_ */