/*
  +----------------------------------------------------------------------+
  | parallel                                                             |
  +----------------------------------------------------------------------+
  | Copyright (c) Joe Watkins 2019-2024                                  |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: krakjoe                                                      |
  +----------------------------------------------------------------------+
 */
#ifndef HAVE_PARALLEL_EVENTS_INPUT
#define HAVE_PARALLEL_EVENTS_INPUT

#include "parallel.h"

zend_class_entry    *php_parallel_events_input_ce;
zend_object_handlers php_parallel_events_input_handlers;

typedef struct _php_parallel_events_input_t {
	HashTable   table;
	zend_object std;
} php_parallel_events_input_t;

static zend_always_inline php_parallel_events_input_t *php_parallel_events_input_fetch(zend_object *o)
{
	return (php_parallel_events_input_t *)(((char *)o) - offsetof(php_parallel_events_input_t, std));
}

static zend_always_inline php_parallel_events_input_t *php_parallel_events_input_from(zval *z)
{
	return php_parallel_events_input_fetch(Z_OBJ_P(z));
}

static zend_object *php_parallel_events_input_create(zend_class_entry *type)
{
	php_parallel_events_input_t *input = (php_parallel_events_input_t *)ecalloc(
	    1, sizeof(php_parallel_events_input_t) + zend_object_properties_size(type));

	zend_object_std_init(&input->std, type);

	input->std.handlers = &php_parallel_events_input_handlers;

	zend_hash_init(&input->table, 32, NULL, ZVAL_PTR_DTOR, 0);

	return &input->std;
}

static void php_parallel_events_input_destroy(zend_object *zo)
{
	php_parallel_events_input_t *input = php_parallel_events_input_fetch(zo);

	zend_hash_destroy(&input->table);

	zend_object_std_dtor(zo);
}

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_parallel_events_input_add_arginfo, 0, 2, IS_VOID, 0)
ZEND_ARG_TYPE_INFO(0, target, IS_STRING, 0)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

PHP_METHOD(Parallel_Input, add)
{
	php_parallel_events_input_t *input = php_parallel_events_input_from(getThis());
	zend_string                 *target;
	zval                        *value;
	zval                        *error;

	ZEND_PARSE_PARAMETERS_START(2, 2)
	Z_PARAM_STR(target)
	Z_PARAM_ZVAL(value)
	ZEND_PARSE_PARAMETERS_END();

	if (!PARALLEL_ZVAL_CHECK(value, &error)) {
		php_parallel_exception_ex(php_parallel_events_input_error_illegal_value_ce, "value of type %s is illegal",
		                          Z_TYPE_P(error) == IS_OBJECT ? ZSTR_VAL(Z_OBJCE_P(error)->name)
		                                                       : zend_get_type_by_const(Z_TYPE_P(error)));
		return;
	}

	target = php_parallel_copy_string_interned(target);

	if (!zend_hash_add(&input->table, target, value)) {
		php_parallel_exception_ex(php_parallel_events_input_error_existence_ce, "input for target %s exists",
		                          ZSTR_VAL(target));
		return;
	}

	Z_TRY_ADDREF_P(value);
}

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_parallel_events_input_remove_arginfo, 0, 1, IS_VOID, 0)
ZEND_ARG_TYPE_INFO(0, target, IS_STRING, 0)
ZEND_END_ARG_INFO()

PHP_METHOD(Parallel_Input, remove)
{
	php_parallel_events_input_t *input = php_parallel_events_input_from(getThis());
	zend_string                 *target;

	ZEND_PARSE_PARAMETERS_START(1, 1)
	Z_PARAM_STR(target)
	ZEND_PARSE_PARAMETERS_END();

	if (zend_hash_del(&input->table, target) != SUCCESS) {
		php_parallel_exception_ex(php_parallel_events_input_error_existence_ce, "input for target %s does not exist",
		                          ZSTR_VAL(target));
		return;
	}
}

ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(php_parallel_events_input_clear_arginfo, 0, 0, IS_VOID, 0)
ZEND_END_ARG_INFO()

PHP_METHOD(Parallel_Input, clear)
{
	php_parallel_events_input_t *input = php_parallel_events_input_from(getThis());

	PARALLEL_PARAMETERS_NONE(return);

	zend_hash_clean(&input->table);
}

zend_function_entry php_parallel_events_input_methods[] = {
    PHP_ME(Parallel_Input, add, php_parallel_events_input_add_arginfo, ZEND_ACC_PUBLIC)
        PHP_ME(Parallel_Input, remove, php_parallel_events_input_remove_arginfo, ZEND_ACC_PUBLIC)
            PHP_ME(Parallel_Input, clear, php_parallel_events_input_clear_arginfo, ZEND_ACC_PUBLIC) PHP_FE_END};

zval *php_parallel_events_input_find(zval *zv, zend_string *target)
{
	php_parallel_events_input_t *input;

	if (Z_TYPE_P(zv) != IS_OBJECT) {
		return NULL;
	}

	input = php_parallel_events_input_from(zv);

	return zend_hash_find(&input->table, target);
}

bool php_parallel_events_input_exists(zval *zv, zend_string *target)
{
	php_parallel_events_input_t *input;

	if (Z_TYPE_P(zv) != IS_OBJECT) {
		return 0;
	}

	input = php_parallel_events_input_from(zv);

	return zend_hash_exists(&input->table, target);
}

bool php_parallel_events_input_remove(zval *zv, zend_string *target)
{
	php_parallel_events_input_t *input;

	if (Z_TYPE_P(zv) != IS_OBJECT) {
		return 0;
	}

	input = php_parallel_events_input_from(zv);

	return zend_hash_del(&input->table, target) == SUCCESS;
}

PHP_MINIT_FUNCTION(PARALLEL_EVENTS_INPUT)
{
	zend_class_entry ce;

	memcpy(&php_parallel_events_input_handlers, php_parallel_standard_handlers(), sizeof(zend_object_handlers));

	php_parallel_events_input_handlers.offset = offsetof(php_parallel_events_input_t, std);
	php_parallel_events_input_handlers.free_obj = php_parallel_events_input_destroy;

	INIT_NS_CLASS_ENTRY(ce, "parallel\\Events", "Input", php_parallel_events_input_methods);

	php_parallel_events_input_ce = zend_register_internal_class(&ce);
	php_parallel_events_input_ce->create_object = php_parallel_events_input_create;
	php_parallel_events_input_ce->ce_flags |= ZEND_ACC_FINAL;

#ifdef ZEND_ACC_NOT_SERIALIZABLE
	php_parallel_events_input_ce->ce_flags |= ZEND_ACC_NOT_SERIALIZABLE;
#else
	php_parallel_events_input_ce->serialize = zend_class_serialize_deny;
	php_parallel_events_input_ce->unserialize = zend_class_unserialize_deny;
#endif

	return SUCCESS;
}

PHP_MSHUTDOWN_FUNCTION(PARALLEL_EVENTS_INPUT) { return SUCCESS; }
#endif
