#ifndef LIBDI_INCLUDE_DI_DRV_HL854X_STRUCTURES_H_
#define LIBDI_INCLUDE_DI_DRV_HL854X_STRUCTURES_H_

/** GPS context for HL854x driver */
struct di_drv_hl854x_gps {
	enum di_drv_hl854x_gps_state state; /**< State of GPS chipset @see di_drv_hl854x_gps_state */
	enum di_drv_hl854x_gps_state event; /**< Wait for event state to happen */
	bool time_shot_enabled; /**< Enables time sync shot on next PVT time frame */
	struct {
		uint8_t tm_sec;     /**< Seconds after the minute, range 0-59 */
		uint8_t tm_min;     /**< Minutes after the hour, range 0-59 */
		uint8_t tm_hour;    /**< Hours since midnight, range 0-23 */
		uint8_t tm_mday;    /**< Day of the month, range 1-31 */
		uint8_t tm_mon;     /**< Months since January, range 0-11 */
		uint16_t tm_year;   /**< Current year, e.g 2015 */
		uint32_t unix;      /**< UNIX time since epoch, in second granularity */
	} time;
	struct di_rpc_sensor_data_gps data;
	enum di_rpc_sensor_data_gps_fix_state fix_state;
};

/** Single TCP session context for HL854x driver */
struct di_drv_hl854x_ctx_tcp {
	int8_t state;         /**< State @see di_drv_hl854x_tcp_state */
	uint64_t tx_bytes;    /**< Amount of bytes send with di_drv_hl854x_tcp_send */
	uint64_t rx_bytes;    /**< Amount of bytes send with di_drv_hl854x_tcp_recv */
	char remote_addr[32]; /**< Remote address. E.g "beta.dualinventive.com" */
	char remote_port[6];  /**< Remote port. E.g "3003" */
	size_t recv_size;     /**< Amount of bytes in receive buffer */
	di_bsem_t recv_data_avail; /**< Semaphore if data is ready in receive buffer */
	size_t cc_size;       /**< Carbon copy buffer size for matching engine */
	void *cc_data;        /**< Carbon copy buffer for matching engine */
};

/** Single UDP session context for HL854x driver */
struct di_drv_hl854x_ctx_udp {
	uint8_t session_id;      /**< UDP session ID */
	const char *local_port;  /**< UDP listening local port */
	const char *remote_addr; /**< Remote host address used for send */
	const char *remote_port; /**< Remote host port used for send */
	enum di_drv_hl854x_udp_state state;  /**< Local UDP session state */
	enum di_drv_hl854x_kudp_notif notif; /**< UDP session modem notification cache */
	size_t ndata_available;       /**< Amount of bytes in the modem UDP receive buffer */
	di_bsem_t ndata_available_mu; /**< Semaphore if data is ready in receive buffer */
	size_t cc_size;               /**< Carbon copy buffer size for matching engine */
	void *cc_data;                /**< Carbon copy buffer for matching engine */
};

/**
 * HL854X driver
 */
struct di_drv_hl854x_ctx {
	uint8_t linebuffer[256];    /**< Linebuffer for matching engine */
	uint8_t readbuffer[256];    /**< Reader for serial driver */
	enum di_drv_hl854x_reply reply;         /**< Last reply status @see di_drv_hl854x_reply */
	enum di_drv_hl854x_error error;         /**< Last error report @see di_drv_hl854x_error */
	enum di_drv_hl854x_cme_error cme_error; /**< CME Error code @see di_drv_hl854x_cme_error_codes */
	enum di_drv_hl854x_ktcp_notif ktcp_notif; /**< KTCP_NOTIF */
	struct modem {
		char revision[128];     /**< Identification Information */
		char imei[17];          /**< 16 digits IMEISV (8 digits for TAC + 6 digits for SNR + 2 SVN digits) */
	} modem;
	struct sim {
		uint8_t status;         /**< Status of SIM @see di_drv_hl854x_sim_status */
		char ccid[23];          /**< Integrated Circuit Card ID of the SIM card */
		char imsi[20];          /**< IMSI of the SIM card */
	} sim;
	struct carrier {
		enum di_drv_hl854x_carrier_oper_mode mode; /**< Current operator selection mode */
		uint8_t status;         /**< GPRS carrier status, see @see di_drv_hl854x_carrier_status */
		char operator_name[17]; /**< Operator name string */
		uint8_t act;            /**< Access technology @see di_drv_hl854x_carrier_act */
		int8_t rssi;            /**< RSSI quality */
		uint8_t ber;            /**< Bit error rate */
	} carrier;
	struct di_drv_hl854x_gps gps;
	struct con {
		const char *gprs_apn;
		enum di_drv_hl854x_con_state state; /**< State @see di_drv_hl854x_con_state */
	} con;
	struct di_drv_hl854x_ctx_tcp tcp; /**< Modem TCP session context */
	struct di_drv_hl854x_ctx_udp udp; /**< Modem UDP session context */

	/* Private */
	struct di_me_ctx me; /**< HL854x driver matching engine context */
	enum di_me_item_states me_items_state[DI_DRV_HL854X_ME_ITEMS_SIZE];

	struct lock {
		di_bsem_t ctx; /**< Context lock */
		di_bsem_t reader; /**< Lowlevel reader lock */
	} lock;

	/* Timeouts */
	struct timeout {
		uint32_t read; /**< Lowlevel driver read timeout in milliseconds */
		uint32_t cmd;  /**< AT command reply timeout in milliseconds */
	} timeout;

	/* Callbacks */
	size_t (*read)(void *buf, size_t n); /**< Lowlevel driver read callback */
	size_t (*write)(const void *buf, size_t n); /**< Lowlevel driver writer callback */

	struct cb {
		di_drv_hl854x_error_cb_t error; /**< Application error handler callback */
		di_drv_hl854x_cme_error_cb_t cme_error; /**< Application CME error handler callback */
	} cb;
};

/** Bearer connection configuration */
struct di_drv_hl854x_apn_cfg {
	uint32_t mcc_mnc;
	const char *imsi;
	const char *apn;
	const char *login;
	const char *password;
};

#endif /* LIBDI_INCLUDE_DI_DRV_HL854X_STRUCTURES_H_ */