#ifndef __IPMI_FRU_AREA_H__
#define __IPMI_FRU_AREA_H__

#include <stdint.h>
#include <stddef.h>
#include <systemd/sd-bus.h>
#include <string>
#include <vector>
#include <memory>
#include "frup.hpp"
#include "writefrudata.hpp"

class ipmi_fru;
typedef std::vector<std::unique_ptr<ipmi_fru>> fru_area_vec_t;

class ipmi_fru
{
    private:
        // Unique way of identifying a FRU
        uint8_t iv_fruid = 0;

        // Type of the fru matching offsets in common header
        ipmi_fru_area_type iv_type = IPMI_FRU_AREA_INTERNAL_USE;

        // Name of the fru area. ( BOARD/CHASSIS/PRODUCT )
        std::string iv_name;

        // Length of a specific fru area.
        size_t  iv_len = 0;

        // Special bit for BMC readable eeprom only.
        bool iv_bmc_fru = false;

        // If a FRU is physically present.
        bool iv_present = false;

        // Whether a particular area is valid ?
        bool iv_valid = false;

        // Actual area data.
        uint8_t *iv_data = nullptr;

        // fru inventory dbus name
        std::string iv_bus_name;

        // fru inventory dbus object path
        std::string iv_obj_path;

        // fru inventory dbus interface name
        std::string iv_intf_name;

        // sd_bus handle
        sd_bus *iv_bus_type = nullptr;

        // Default constructor disabled.
        ipmi_fru();

    public:
        // constructor
        ipmi_fru(const uint8_t fruid, const ipmi_fru_area_type type,
                 sd_bus *bus_type, bool bmc_fru = false);

        // Destructor
        virtual ~ipmi_fru();

        // If a particular area has been marked valid / invalid
        inline bool is_valid() const
        {
            return iv_valid;
        }

        // Sets the present bit
        inline void set_present(const bool present)
        {
            iv_present = present;
        }

        // Sets the valid bit for a corresponding area.
        inline void set_valid(const bool valid)
        {
            iv_valid = valid;
        }

        // If a particular area accessible only by BMC
        inline bool is_bmc_fru() const
        {
            return iv_bmc_fru;
        }

        // returns fru id;
        uint8_t get_fruid() const
        {
            return iv_fruid;
        }

        // Returns the length.
        size_t get_len() const
        {
            return iv_len;
        }

        // Returns the type of the current fru area
        ipmi_fru_area_type get_type() const
        {
            return iv_type;
        }

        // Returns the name
        const char *get_name() const
        {
            return iv_name.c_str();
        }

        // Returns SD bus name
        const char *get_bus_name() const
        {
            return iv_bus_name.c_str();
        }

        // Retrns SD bus object path
        const char *get_obj_path() const
        {
            return iv_obj_path.c_str();
        }

        // Returns SD bus interface name
        const char *get_intf_name() const
        {
            return iv_intf_name.c_str();
        }

        // Returns the data portion
        inline uint8_t *get_data() const
        {
           return iv_data;
        }

        // Returns the bus type.
        inline sd_bus *get_bus_type() const
        {
            return iv_bus_type;
        }

        // Sets up the sd_bus variables for the given AREA type
        int setup_sd_bus_paths(void);

        // Accepts a pointer to data and sets it in the object.
        void set_data(const uint8_t *, const size_t);

        // Sets the dbus parameters
        void update_dbus_paths(const char *, const char *, const char *);
};

#endif