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#include <stdlib.h>

#include "config.h"
#include "uca.h"

#ifdef HAVE_PCO_EDGE
#include "cameras/uca_pco.h"
#endif

#ifdef HAVE_PHOTON_FOCUS
#include "cameras/uca_pf.h"
#endif

#ifdef HAVE_IPE_CAM
#include "cameras/uca_ipe.h"
#endif


struct uca_t *uca_init()
{
    struct uca_t *uca = (struct uca_t *) malloc(sizeof(struct uca_t));

    uca_cam_init inits[] = {
#ifdef HAVE_PCO_EDGE
        uca_pco_init,
#endif
#ifdef HAVE_PHOTON_FOCUS
        uca_pf_init,
#endif
#ifdef HAVE_IPE_CAM
        uca_ipe_init,
#endif
    NULL };

    /* Set all function pointers to NULL and thus make the class abstract */
    uca->cam_set_property = NULL;
    uca->cam_get_property = NULL;
    uca->cam_alloc = NULL;
    uca->cam_acquire_image = NULL;

    int i = 0;
    while (inits[i] != NULL) {
        uca_cam_init init = inits[i];
        if (init(uca) != UCA_ERR_INIT_NOT_FOUND)
            return uca;
        i++;
    }

    /* No camera found then indicate error */
    free(uca);
    return NULL;
}

void uca_destroy(struct uca_t *uca)
{
    if (uca != NULL) {
        uca->cam_destroy(uca);
        free(uca);
    }
}

static struct uca_property_t property_map[UCA_PROP_LAST] = {
    { "name",       uca_na,    uca_string }, 
    { "width",      uca_pixel, uca_uint32t }, 
    { "width.min",  uca_pixel, uca_uint32t }, 
    { "width.max",  uca_pixel, uca_uint32t }, 
    { "height",     uca_pixel, uca_uint32t }, 
    { "height.min", uca_pixel, uca_uint32t }, 
    { "height.max", uca_pixel, uca_uint32t }, 
    { "offset.x",   uca_pixel, uca_uint32t }, 
    { "offset.y",   uca_pixel, uca_uint32t }, 
    { "bit-depth",  uca_pixel, uca_uint8t }, 
    { "exposure",   uca_us,    uca_uint32t }, 
    { "exposure.min", uca_ns, uca_uint32t }, 
    { "exposure.max", uca_ms, uca_uint32t }, 
    { "delay",      uca_us, uca_uint32t }, 
    { "delay.min",  uca_ns, uca_uint32t }, 
    { "delay.max",  uca_ms, uca_uint32t }, 
    { "frame-rate", uca_na, uca_uint32t }, 
    { "trigger-mode", uca_na, uca_uint32t }, 
    { "timestamp-mode", uca_na, uca_uint32t }, 
    { "scan-mode",  uca_na, uca_uint32t }, 
    { "interlace.sample-rate", uca_na, uca_uint32t }, 
    { "interlace.threshold.pixel", uca_na, uca_uint32t }, 
    { "interlace.threshold.row", uca_na, uca_uint32t }, 
    { "correction-mode", uca_na, uca_uint32t }, 
    { NULL, 0, 0 }
};

int32_t uca_get_property_id(const char *property_name)
{
    char *name;
    int i = 0;
    while (property_map[i].name != NULL) {
        if (!strcmp(property_map[i].name, property_name))
            return i;
        i++;
    }
    return UCA_PROP_INVALID;
}

struct uca_property_t *uca_get_full_property(int32_t property_id)
{
    if ((property_id >= 0) && (property_id < UCA_PROP_LAST))
        return &property_map[property_id];
    return NULL;
}

const char* uca_get_property_name(int32_t property_id)
{
    /* TODO: guard that thing */
    return property_map[property_id].name;
}