#ifndef NVIM_API_PRIVATE_DEFS_H
#define NVIM_API_PRIVATE_DEFS_H

#include <stdint.h>
#include <stdbool.h>
#include <string.h>

#define ARRAY_DICT_INIT {.size = 0, .capacity = 0, .items = NULL}
#define STRING_INIT {.data = NULL, .size = 0}
#define OBJECT_INIT { .type = kObjectTypeNil }
#define ERROR_INIT { .type = kErrorTypeNone, .msg = NULL }
#define REMOTE_TYPE(type) typedef handle_T type

#define ERROR_SET(e) ((e)->type != kErrorTypeNone)

#ifdef INCLUDE_GENERATED_DECLARATIONS
# define ArrayOf(...) Array
# define DictionaryOf(...) Dictionary
#endif

typedef int handle_T;

// Basic types
typedef enum {
  kErrorTypeNone = -1,
  kErrorTypeException,
  kErrorTypeValidation
} ErrorType;

typedef enum {
  kMessageTypeRequest,
  kMessageTypeResponse,
  kMessageTypeNotification
} MessageType;

/// Used as the message ID of notifications.
#define NO_RESPONSE UINT64_MAX

/// Used as channel_id when the call is local.
#define INTERNAL_CALL UINT64_MAX

typedef struct {
  ErrorType type;
  char *msg;
} Error;

typedef bool Boolean;
typedef int64_t Integer;
typedef double Float;

/// Maximum value of an Integer
#define API_INTEGER_MAX INT64_MAX

/// Minimum value of an Integer
#define API_INTEGER_MIN INT64_MIN

typedef struct {
  char *data;
  size_t size;
} String;

REMOTE_TYPE(Buffer);
REMOTE_TYPE(Window);
REMOTE_TYPE(Tabpage);

typedef struct object Object;

typedef struct {
  Object *items;
  size_t size, capacity;
} Array;

typedef struct key_value_pair KeyValuePair;

typedef struct {
  KeyValuePair *items;
  size_t size, capacity;
} Dictionary;

typedef enum {
  kObjectTypeBuffer,
  kObjectTypeWindow,
  kObjectTypeTabpage,
  kObjectTypeNil,
  kObjectTypeBoolean,
  kObjectTypeInteger,
  kObjectTypeFloat,
  kObjectTypeString,
  kObjectTypeArray,
  kObjectTypeDictionary,
} ObjectType;

struct object {
  ObjectType type;
  union {
    Boolean boolean;
    Integer integer;
    Float floating;
    String string;
    Array array;
    Dictionary dictionary;
  } data;
};

struct key_value_pair {
  String key;
  Object value;
};


#endif  // NVIM_API_PRIVATE_DEFS_H
