#ifndef EVAPP_API_H
#define EVAPP_API_H

#define EVAPP_URIMAP_EXACT  1
#define EVAPP_URIMAP_PREFIX 2
#define EVAPP_VERSION "0.0.1"

#include <stdbool.h>
#include <db.h>
#include <sys/types.h>
#include <sys/queue.h>
#include <event.h>
#include <evhttp.h>
#include <ClearSilver.h>

typedef struct evapp_context* evapp_ctx;
/* This must match the evapp.h exactly */
typedef struct evapp_db_index {
  TAILQ_ENTRY(evapp_db_index) entries;
  char *field;
  char *file;
  char *type;
  int (*callback)(DB*, const DBT*, const DBT*, DBT*);
  DB *p;
} evapp_db_index;
TAILQ_HEAD (evapp_db_indexq, evapp_db_index);

typedef struct evapp_db {
  TAILQ_ENTRY(evapp_db) entries;
  char *name;
  char *file;
  DB *p;
  bool (*load)(evapp_ctx *ctx, u_int64_t id, HDF **hdf);
  bool (*save)(evapp_ctx *ctx, u_int64_t id, HDF *hdf);
  bool (*del)(evapp_ctx *ctx, u_int64_t id);
  bool (*validate)(evapp_ctx *ctx, HDF *hdf);
  bool (*hdf)(evapp_ctx *ctx, void *data, size_t len, HDF **hdf);
  bool (*hdf_template)(evapp_ctx *ctx, HDF **hdf);
  bool (*cleanup)(void);
  struct evapp_db_indexq indices;
} evapp_db;
TAILQ_HEAD (evapp_dbq, evapp_db);



evapp_ctx *evapp_new(const char *const name, void *app_state);
bool evapp_dbenv_init(evapp_ctx *ctx,
                      const char *const path);
bool evapp_bind(evapp_ctx *ctx,
                const char *const bindaddr,
                uint16_t port);
bool evapp_db_add_index(evapp_ctx *ctx, evapp_db *db, const char *field,
                        const char *type, const char *file,
                        int (*callback)(DB*, const DBT*, const DBT*, DBT*));
bool evapp_db_add(evapp_ctx *ctx,
                  const char *const name,
                  const char *const table,
                  bool (*load)(evapp_ctx*, u_int64_t, HDF**),
                  bool (*save)(evapp_ctx*, u_int64_t, HDF*),
                  bool (*del)(evapp_ctx*, u_int64_t),
                  bool (*hdf)(evapp_ctx*, void*, size_t, HDF**),
                  bool (*hdf_template)(evapp_ctx*, HDF**),
                  bool (*hdf_cleanup)(evapp_ctx*),
                  bool (*validate)(evapp_ctx*, HDF*));
struct evapp_dbq *evapp_db_head(evapp_ctx *ctx);
bool evapp_db_set_validate(evapp_ctx *ctx, const char *dbname,
                           bool (*validate)(evapp_ctx*, HDF*));
struct evapp_db *evapp_db_select(evapp_ctx *ctx,
                                 const char *const name);
struct evapp_db_index *evapp_db_index_first(evapp_ctx *ctx,
                                           struct evapp_db *db);
struct evapp_db_index *evapp_db_index_select(evapp_ctx *ctx,
                                             struct evapp_db *db,
                                             const char *const name);
int evapp_register_handler(evapp_ctx *ctx,
                           short type,
                           const char *const uri,
                           void (*handler)(evapp_ctx *));
void evapp_serve();
void evapp_destroy(evapp_ctx *ctx);
void *evapp_get_state(evapp_ctx *ctx);
bool evapp_set_state(evapp_ctx *ctx, void *state);
bool evapp_register_not_found(evapp_ctx *ctx, void *state);

/* XXX: Move these to settings? */
bool evapp_set_default_domain(evapp_ctx *ctx, const char *domain);
const char *evapp_get_default_domain(evapp_ctx *ctx);
bool evapp_get_debug_mode(evapp_ctx *ctx);
bool evapp_set_debug_mode(evapp_ctx *ctx, bool debug);
bool evapp_set_default_templates(evapp_ctx *ctx, bool value);
bool evapp_get_default_templates(evapp_ctx *ctx);
bool evapp_get_xsrf_protection(evapp_ctx *ctx);
bool evapp_set_xsrf_protection(evapp_ctx *ctx, bool value);
bool evapp_get_scaffold(evapp_ctx *ctx);
bool evapp_set_scaffold(evapp_ctx *ctx, bool value);


bool evapp_get_readonly(evapp_ctx *ctx);
bool evapp_set_readonly(evapp_ctx *ctx, bool value);

struct evbuffer *evapp_response(evapp_ctx *ctx);
struct evhttp_request *evapp_request(evapp_ctx *ctx);


#endif