/*
 *  This file is part of corelibs. (https://git.redxen.eu/caskd/corelibs)
 *  Copyright (c) 2021 Alex-David Denes
 *
 *  corelibs is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  corelibs is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with corelibs.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <stdbool.h> // bool
#include <stddef.h>  // size_t
#include <stdint.h>  // uintmax_t

#ifndef CORELIBS_GUARD_DYNARRAY
#define CORELIBS_GUARD_DYNARRAY

typedef signed short int  dynarray_err;
typedef struct dynarray_t dynarray_t;

struct corelibs_dynarray_interface {

	// Makers
	const struct {
		// New - allocate new array
		dynarray_err (*const new)(size_t sbyte, dynarray_t** ptr);
		// Slicer - gets a slice of a array
		dynarray_err (*const slice)(const dynarray_t* arr, uintmax_t pos, uintmax_t len, dynarray_t** ssave);
	} make;

	// Free
	dynarray_err (*const free)(dynarray_t* arr);

	// Modifiers
	const struct {

		const struct {
			// Capacity
			dynarray_err (*const cap)(dynarray_t* ptr, uintmax_t len);
			// Capacity lock (dynamic / static capacity)
			dynarray_err (*const lock)(dynarray_t* ptr, bool cap);
		} arr;

		const struct {
			// Appender - Adds element at end of array
			dynarray_err (*const app)(dynarray_t* arr, uintmax_t cnt, const void* elem);
			// Inserter - Adds element at position, pushing next element 1 position further
			dynarray_err (*const ins)(dynarray_t* arr, uintmax_t pos, uintmax_t cnt, const void* elem);
			// Replacer - Replaces array item or creates it if not existent
			dynarray_err (*const rep)(dynarray_t* arr, uintmax_t pos, uintmax_t cnt, const void* elem);
			// Remover - removes element from array
			dynarray_err (*const rm)(dynarray_t* arr, uintmax_t pos, uintmax_t cnt);
		} ct;

	} mod;

	// Fetchers
	const struct {
		dynarray_err (*const len)(const dynarray_t* arr, uintmax_t* save);
		dynarray_err (*const size)(const dynarray_t* arr, size_t* save);
		const struct {
			dynarray_err (*const len)(const dynarray_t* arr, uintmax_t* save);
			dynarray_err (*const lock)(const dynarray_t* arr, bool* save);
		} cap;
	} get;

	// Comparers
	const struct {
		dynarray_err (*const data)(const dynarray_t* a, const dynarray_t* b, bool* eq);
	} cmp;

	// Exporter
	const struct {
		dynarray_err (*const slice)(const dynarray_t* arr, uintmax_t pos, uintmax_t cnt, void* save);
	} export;

	// Errors - functions return them on run-time problems
	const struct {

		const dynarray_err ok, // No error
		    unknown;           // Unknown error

		const struct {
			const dynarray_err alloc, // Memory allocation failed
			    null,                 // Passed a null pointer
			    oob;                  // Out of bounds modification or fetch
		} mem;

		const struct {
			const dynarray_err undef, // Undefined variable
			    immut,                // Immutable (constant) variable
			    inval,                // Invalid value passed
			    ncompat;              // Incompatible comparasion
		} var;

	} err;
};
extern const struct corelibs_dynarray_interface dynarray;

#endif /* CORELIBS_GUARD_DYNARRAY */