#ifndef EASYCARD_H
#define EASYCARD_H

#include "utils.h"

#define EASY_TT_MRT_ENTER	0x00
#define EASY_TT_MRT_REENTER	0x80
#define EASY_TT_MRT_EXIT	0x11
#define EASY_TT_PURCHASE	0x20

extern const struct value_string easy_tt_names[];
extern const struct value_string taipei_mrt_stn_id[];

/* Sector 0 of Block 2 seems to contain manufacturing timestamp */
struct easy_block2sec0 {
	uint8_t unknown[6];
	uint8_t timestamp[3];
	uint8_t unknown2[7];
} __attribute__ ((packed));

/* Sector 2 of Block 15 */
struct easy_block15sec2 {
	uint8_t unknown[11];
	uint8_t day_of_month;
	uint8_t unknown2;	/* always 0x3d? */
	uint16_t sum_of_day;	/* sum of all shop purchases on a day */
	uint8_t unknown3;
} __attribute__ ((packed));


/* storage of a transaction log record on the transponder itself */
struct easy_log_rec {
	uint8_t trans_id;
	uint8_t unknown;
	uint8_t timestamp[3];	/* seconds since January 1st 1970 / 256 */
	uint8_t trans_type;
	uint16_t amount;	/* transaction amount / value */
	uint16_t remaining;	/* remaining value on card _after_ trans */
	uint8_t unknown2;
	uint8_t station_code;	/* MRT station code */
	uint16_t reader_code;	/* unique code of RFID reader */
	uint8_t unknown3[2];
} __attribute__ ((packed));

time_t easy_timestamp2time(const uint8_t *easy_ts);

#endif /* EASYCARD_H */