#ifndef PLSR_JOB_H
#define PLSR_JOB_H

#include "plsr_position.h"
#include "plsr_types.h"
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define PLSR_MAX_SEGMENTS                (100U)
#define PLSR_OUTPUT_MODE_FROM_SFD        (0xFFU)
#define PLSR_FREQUENCY_MIN_HZ            (1UL)
#define PLSR_FREQUENCY_MAX_HZ            (100000UL)

typedef enum
{
    PLSR_DEVICE_D = 0,
    PLSR_DEVICE_HD,
    PLSR_DEVICE_FD,
    PLSR_DEVICE_X,
    PLSR_DEVICE_M,
    PLSR_DEVICE_HM
} PLSR_DEVICE_TYPE;

typedef uint8_t (*PLSR_VALIDATE_WORDS_FN)(void *context,
                                          PLSR_DEVICE_TYPE device,
                                          uint32_t firstAddress,
                                          uint32_t wordCount);
typedef uint8_t (*PLSR_READ_WORD_FN)(void *context,
                                     PLSR_DEVICE_TYPE device,
                                     uint32_t address,
                                     uint16_t *value);
typedef uint8_t (*PLSR_READ_DWORD_FN)(void *context,
                                      PLSR_DEVICE_TYPE device,
                                      uint32_t address,
                                      int32_t *value);
typedef uint8_t (*PLSR_READ_BIT_FN)(void *context,
                                    PLSR_DEVICE_TYPE device,
                                    uint32_t address,
                                    uint8_t *value);

typedef struct
{
    void *context;
    PLSR_VALIDATE_WORDS_FN validateWords;
    PLSR_READ_WORD_FN readWord;
    /* Optional atomic low-word/high-word snapshot.  A 0.1ms live-frequency
     * source should provide this callback to prevent torn 32-bit reads. */
    PLSR_READ_DWORD_FN readDword;
    PLSR_READ_BIT_FN readBit;
} PLSR_DATA_SOURCE;

typedef struct
{
    PLSR_DEVICE_TYPE device;
    uint32_t address;
} PLSR_DATA_REF;

typedef enum
{
    PLSR_OPERAND_CONSTANT = 0,
    PLSR_OPERAND_DATA
} PLSR_OPERAND_TYPE;

typedef struct
{
    PLSR_OPERAND_TYPE type;
    PLSR_DATA_REF data;
    int32_t constant;
} PLSR_VALUE_OPERAND;

typedef struct
{
    uint32_t sequence;
    /* The source context must remain valid while the queued/running job exists. */
    PLSR_DATA_SOURCE source;
    PLSR_DATA_REF s0;
    PLSR_DATA_REF s1;
    PLSR_VALUE_OPERAND s2;
    uint8_t dAxis;
    uint8_t outputModeOverride;
} PLSR_CALL;

typedef enum
{
    PLSR_WAIT_PULSE_COMPLETE = 0,
    PLSR_WAIT_TIME,
    PLSR_WAIT_SIGNAL,
    PLSR_WAIT_ACT_TIME,
    PLSR_WAIT_EXT,
    PLSR_WAIT_EXT_OR_COMPLETE
} PLSR_WAIT_CONDITION;

typedef enum
{
    PLSR_VALUE_CONSTANT = 0,
    PLSR_VALUE_D,
    PLSR_VALUE_HD,
    PLSR_VALUE_FD,
    PLSR_VALUE_X,
    PLSR_VALUE_M,
    PLSR_VALUE_HM
} PLSR_VALUE_SOURCE;

#define PLSR_SEGMENT_FLAG_ZERO_PULSE     (1U << 0U)
#define PLSR_SEGMENT_FLAG_DEFAULT_SPEED  (1U << 1U)
#define PLSR_SEGMENT_FLAG_SPEED_CLAMPED  (1U << 2U)
#define PLSR_SEGMENT_FLAG_SELF_LOOP      (1U << 3U)

typedef struct
{
    uint32_t targetFrequency;
    int32_t pulseOrTarget;
    int32_t waitValueOrAddress;
    int32_t jumpValueOrAddress;
    uint8_t waitCondition;
    uint8_t waitSource;
    uint8_t jumpSource;
    uint8_t flags;
} PLSR_SEGMENT_SNAPSHOT;

typedef struct
{
    uint32_t defaultSpeed;
    uint32_t maximumSpeed;
    uint32_t startSpeed;
    uint32_t stopSpeed;
    uint32_t zrnHighSpeed;
    uint32_t zrnCrawlSpeed;
    uint16_t accelerationMs;
    uint16_t decelerationMs;
    uint16_t gapAccelerationMs;
    uint16_t directionDelayMs;
    uint8_t curveMode;
    uint8_t follow;
    uint8_t feedforwardPercent;
    uint8_t refreshCode;
} PLSR_S2_SNAPSHOT;

typedef struct
{
    int64_t positiveSoftLimitPulses;
    int64_t negativeSoftLimitPulses;
    uint8_t softLimitEnabled;
    uint8_t positiveInputPoint;
    uint8_t negativeInputPoint;
    uint8_t positiveInputActiveLow;
    uint8_t negativeInputActiveLow;
} PLSR_LIMIT_SNAPSHOT;

typedef struct
{
    PLSR_DATA_SOURCE source;
    PLSR_DATA_REF s0;
    PLSR_DATA_REF s1;
    PLSR_S2_SNAPSHOT s2;
    PLSR_EQUIVALENT_CONFIG equivalent;
    PLSR_LIMIT_SNAPSHOT limits;
    PLSR_SEGMENT_SNAPSHOT segments[PLSR_MAX_SEGMENTS];
    uint16_t positiveBacklashPulses;
    uint16_t negativeBacklashPulses;
    uint32_t inputDefaultSpeed;
    uint32_t inputMaximumSpeed;
    uint32_t timerClockHz;
    uint32_t pairedTimerClockHz;
    uint16_t segmentCount;
    uint16_t startSegment;
    uint8_t dAxis;
    uint8_t s2Set;
    uint8_t positioningMode;
    uint8_t outputMode;
    uint8_t directionPoint;
    uint8_t directionNegativeLogic;
    uint8_t initialDirectionPositive;
    uint8_t speedClamped;
    uint8_t hasSelfLoop;
} PLSR_JOB_SNAPSHOT;

typedef enum
{
    PLSR_PARSE_BLOCK_NONE = 0,
    PLSR_PARSE_BLOCK_S0,
    PLSR_PARSE_BLOCK_S1,
    PLSR_PARSE_BLOCK_S2,
    PLSR_PARSE_BLOCK_OUTPUT,
    PLSR_PARSE_BLOCK_POSITION
} PLSR_PARSE_BLOCK;

typedef struct
{
    PLSR_RESULT result;
    PLSR_PARSE_BLOCK block;
    uint32_t address;
    int32_t value;
    uint16_t segment;
} PLSR_PARSE_DETAIL;

typedef struct
{
    int64_t logicalPosition;
    uint8_t positionValid;
} PLSR_PARSE_CONTEXT;

PLSR_RESULT PlsrBuildJobSnapshot(const PLSR_CALL *call,
                                 const PLSR_PARSE_CONTEXT *context,
                                 PLSR_JOB_SNAPSHOT *snapshot,
                                 PLSR_PARSE_DETAIL *detail);
PLSR_RESULT PlsrResolveLiveFrequency(const PLSR_JOB_SNAPSHOT *snapshot,
                                     uint16_t segment,
                                     uint32_t *frequency,
                                     uint8_t *clamped);
PLSR_RESULT PlsrReadLiveFrequencyRaw(const PLSR_JOB_SNAPSHOT *snapshot,
                                     uint16_t segment,
                                     int32_t *rawFrequency);
PLSR_RESULT PlsrCalculateTimerDivider(uint32_t timerClockHz,
                                      uint32_t frequencyHz,
                                      uint16_t *psc,
                                      uint16_t *arr);

#ifdef __cplusplus
}
#endif

#endif /* PLSR_JOB_H */