#ifndef LINUXCNC_WEB_WASM_SIM_HAL_H
#define LINUXCNC_WEB_WASM_SIM_HAL_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define SIM_HAL_NAME_CAPACITY 48U
#define SIM_HAL_PIN_CAPACITY 64U
#define SIM_HAL_THREAD_CAPACITY 16U
#define SIM_HAL_FUNCTION_CAPACITY 64U

enum sim_hal_result {
    SIM_HAL_OK = 0,
    SIM_HAL_ERR_ARGUMENT = -300,
    SIM_HAL_ERR_FULL = -301,
    SIM_HAL_ERR_DUPLICATE = -302,
    SIM_HAL_ERR_NOT_FOUND = -303,
    SIM_HAL_ERR_TYPE = -304,
    SIM_HAL_ERR_RANGE = -305,
    SIM_HAL_ERR_CONNECTION = -306,
    SIM_HAL_ERR_FUNCTION = -307,
    SIM_HAL_ERR_REAL_EXCLUDED = -308,
};

enum sim_hal_type {
    SIM_HAL_BIT = 1,
    SIM_HAL_S32 = 2,
    SIM_HAL_U32 = 3,
    SIM_HAL_FLOAT = 4,
};

typedef struct sim_hal_value {
    uint32_t type;
    union {
        uint32_t bit;
        int32_t s32;
        uint32_t u32;
        float real;
    } value;
} sim_hal_value;

void sim_hal_reset(void);
int32_t sim_hal_register_pin(const char *name, uint32_t type);
int32_t sim_hal_set_pin(const char *name, sim_hal_value value);
int32_t sim_hal_get_pin(const char *name, sim_hal_value *out);
int32_t sim_hal_connect(const char *source, const char *target);
int32_t sim_hal_register_thread(const char *name, uint32_t period_ticks);
int32_t sim_hal_register_function(const char *thread, const char *name);
/* Register the static LinuxCNC corexy_by_hal component and its servo pins. */
int32_t sim_hal_register_corexy_by_hal(const char *component, const char *thread);
/* Execute one deterministic CoreXY command/feedback transform immediately. */
int32_t sim_hal_corexy_transform(const char *component);
int32_t sim_hal_set_function_failure(const char *name, uint32_t fail);
int32_t sim_hal_step(uint32_t ticks);
uint32_t sim_hal_tick(void);
uint32_t sim_hal_function_calls(const char *name);
uint32_t sim_hal_pin_count(void);
uint32_t sim_hal_thread_count(void);
uint32_t sim_hal_function_count(void);

#ifdef __cplusplus
}
#endif

#endif