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#include "ola_emv.h"
#include <stdint.h>

#define OLA_KERNEL_ID_MASTERCARD                    2
#define OLA_KERNEL_ID_VISA                          3
#define OLA_KERNEL_ID_AMEX                          4
#define OLA_KERNEL_ID_JCB                           5
#define OLA_KERNEL_ID_DISCOVER                      6
#define OLA_KERNEL_ID_CUP                           7

#define OLA_MSD_ID_APPROVED                         0x03
#define OLA_MSD_ID_NOT_AUTHORISED                   0x07
#define OLA_MSD_ID_PLEASE_INSERT_OR_SWIPE_CARD      0x18
#define OLA_MSD_ID_AUTHORISING_PLEASE_WAIT          0x1B
#define OLA_MSD_ID_INSERT_SWIPE_OR_TRY_ANOTHER_CARD 0x1C
#define OLA_MSD_ID_SEE_PHONE_FOR_INSTRUCTIONS       0x20

typedef enum
{
	ctsNone,
	ctsPreprocess,
	ctsBuildCandidate,
	ctsFinalSelect,
	ctsActivate
} tOlaContactlessTransactionStep;

typedef enum
{
	outcNone,
	outcSelectNext,
	outcTryAgain,
	outcApproved,
	outcDeclined,
	outcOnlineRequest,
	outcTryAnotherInterface,
	outcEndApplication
} tOlaOutcome;

typedef enum
{
	spNoStart,
	spStartA,
	spStartB,
	spStartC,
	spStartD,
} tOlaStartPoint;

typedef enum
{
	ordNone,
	ordEmv,
	ordAny
} tOlaOnlineResponseData;

typedef enum
{
	aipNone,
	aipContactChip,
	aipMagneticStripe
} tOlaAlternateInterfacePreference;

typedef enum
{
	cvmclNone,
	cvmclNoCvm,
	cvmclSignature,
	cvmclOnlinePin,
	cvmclConfirmationCodeVerified
} tOlaCVMethodContactless;

typedef enum
{
	staNone,
	staNotReady,
	staIdle,
	staReadyToRead,
	staProcessing,
	staCardReadSuccessfully,
	staProcessingError
} tOlaStatus;

typedef enum
{
	vqNone,
	vqAmount,
	vqBalance
} tOlaValueQualifier;

typedef struct
{
	tOlaOutcome outCome;
	tOlaStartPoint startingPoint;
	tOlaOnlineResponseData onlineResponseData;
	tOlaCVMethodContactless cvm;
	int UIReqOnOutcomePresent;
	int UIReqOnRestartPresent;
	int receipt;
	int dataRecordPresent;
	int discretionaryDataPresent;
	tOlaAlternateInterfacePreference alternateInterfacePreference;
	uint32_t fieldOffReq;
	uint32_t removalTimeout;
} tOlaOutcomeParameter;

typedef struct
{
	uint8_t messageIdentifier;
	tOlaStatus status;
	uint32_t holdTime;
	uint8_t languagePreference[8];  // List of languages, ISO 639-1 representation
	tOlaValueQualifier valueQualifier;
	uint8_t value[6];               // BCD
	uint8_t currencyCode[2];        // Numeric ISO 4217
} tOlaUIRequest;

void ola_contactless_flush_aid_supported(void);

tOLAError ola_contactless_add_aid_supported(
        const uint8_t *aid,
        uint8_t aidLength,
        int partial,
        uint8_t kernelId,
        uint8_t *tlv,
        uint16_t tlvLength
);

uint16_t ola_contactless_add_drl_supported(
        const uint8_t *programId,
        uint8_t programIdLength,
        const uint8_t *transactionLimit,
        const uint8_t *floorLimit,
        const uint8_t *CVMLimit,
        int statusCheck,
        int isZeroAllowed,
        uint8_t kernelId
);

void ola_contactless_commit_supported_aids(void);

uint16_t ola_contactless_build_candidate_list(
        uint8_t *nb_candidates
);

uint16_t ola_contactless_get_tag_from_candidate(
        uint8_t candidate,
        uint32_t tag,
        uint8_t *value,
        uint16_t *length
);

tOLAError ola_contactless_final_select_candidate(
        uint8_t candidate,
        uint8_t *kernelId
);

tOLAError ola_contactless_get_card_preferred_language(
        char *language
);

tOLAError ola_contactless_preprocess(void);

tOLAError ola_contactless_do_transaction(void);

void  ola_contactless_clean(void);

tOLAError ola_contactless_get_outcome(
        tOlaOutcomeParameter *outcome
);

tOLAError ola_contactless_get_UI_request_upon_outcome(
        tOlaUIRequest *uiRequest
);

tOLAError ola_contactless_get_UI_request_restart(
        tOlaUIRequest *uiRequest
);