#ifndef AMDUATD_CONCEPTS_H
#define AMDUATD_CONCEPTS_H

#include "amduat/asl/collection.h"
#include "amduatd_space.h"
#include "amduatd_ui.h"

#include <stdbool.h>
#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
  amduat_reference_t record_ref;
  amduat_reference_t src_ref;
  amduat_reference_t dst_ref;
  char *rel;
} amduatd_edge_entry_t;

typedef struct {
  amduatd_edge_entry_t *items;
  size_t len;
  size_t cap;
} amduatd_edge_list_t;

typedef struct amduatd_concepts_t {
  const char *root_path;
  char edges_path[1024];
  char *edge_collection_name;
  amduat_reference_t rel_aliases_ref;
  amduat_reference_t rel_materializes_ref;
  amduat_reference_t rel_represents_ref;
  amduat_reference_t rel_requires_key_ref;
  amduat_reference_t rel_within_domain_ref;
  amduat_reference_t rel_computed_by_ref;
  amduat_reference_t rel_has_provenance_ref;
  amduat_asl_collection_store_t edge_collection;
  amduatd_edge_list_t edges;
} amduatd_concepts_t;

bool amduatd_concepts_init(amduatd_concepts_t *c,
                           amduat_asl_store_t *store,
                           const amduatd_space_t *space,
                           const char *root_path,
                           bool enable_migrations);

void amduatd_concepts_free(amduatd_concepts_t *c);

bool amduatd_concepts_refresh_edges(amduatd_ctx_t *ctx,
                                    size_t max_new_entries);

bool amduatd_concepts_can_handle(const amduatd_http_req_t *req);

bool amduatd_concepts_handle(amduatd_ctx_t *ctx,
                             const amduatd_http_req_t *req,
                             amduatd_http_resp_t *resp);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* AMDUATD_CONCEPTS_H */