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#ifndef OPCUT_COMMON_H
#define OPCUT_COMMON_H
#include <stdbool.h>
#include <stdio.h>
#define OPCUT_SUCCESS 0
#define OPCUT_ERROR 1
#define OPCUT_UNSOLVABLE 2
#define OPCUT_STR_EMPTY ((opcut_str_t){.data = NULL, .len = 0})
#define OPCUT_PARAMS_EMPTY \
((opcut_params_t){.cut_width = 0, \
.min_initial_usage = false, \
.panels = NULL, \
.panels_len = 0, \
.items = NULL, \
.items_len = 0})
#define OPCUT_RESULT_EMPTY \
((opcut_result_t){.params = NULL, \
.used = NULL, \
.used_len = 0, \
.unused = NULL, \
.unused_len = 0})
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
char *data;
size_t len;
} opcut_str_t;
typedef struct {
opcut_str_t id;
double width;
double height;
// internal
double area;
} opcut_panel_t;
typedef struct {
opcut_str_t id;
double width;
double height;
bool can_rotate;
// internal
double area;
} opcut_item_t;
typedef struct {
double cut_width;
bool min_initial_usage;
opcut_panel_t *panels;
size_t panels_len;
opcut_item_t *items;
size_t items_len;
} opcut_params_t;
typedef struct {
opcut_panel_t *panel;
opcut_item_t *item;
double x;
double y;
bool rotate;
} opcut_used_t;
typedef struct {
opcut_panel_t *panel;
double width;
double height;
double x;
double y;
// internal
double area;
bool initial;
} opcut_unused_t;
typedef struct {
opcut_params_t *params;
opcut_used_t *used;
size_t used_len;
opcut_unused_t *unused;
size_t unused_len;
// internal
double panels_area;
} opcut_result_t;
int opcut_str_resize(opcut_str_t *str, size_t size);
int opcut_params_init(opcut_params_t *params, opcut_str_t *json);
int opcut_result_write(opcut_result_t *result, FILE *stream);
void opcut_str_destroy(opcut_str_t *str);
void opcut_params_destroy(opcut_params_t *params);
void opcut_result_destroy(opcut_result_t *result);
#ifdef __cplusplus
}
#endif
#endif
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