#include "int.h"

#define INI_CONFIG_IMPLEMENT_INT_TYPE(ID, T) \
typedef bool INI_ConfigValidate##ID(T); \
 \
typedef T INI_ConfigDeserialize##ID(const char*, void*); \
 \
typedef void INI_ConfigSerialize##ID(T, const char[128], void*); \
 \
void INI_ConfigEnsureValid##ID(INI_ConfigItem* item, T raw_value, T default_value) { \
	T* dest = item->dest; \
	if (item->validator) { \
		INI_ConfigValidate##ID* validate = item->validator; \
		if (validate(raw_value)) { \
			*dest = raw_value; \
			return; \
		} \
		*dest = default_value; \
		return; \
	} \
	*dest = raw_value; \
} \
 \
void INI_ConfigLoad##ID(INI_ConfigItem* item, const char* config_path, void* item_array) { \
	static T raw_value; \
	static T default_value; \
	default_value = *((T*) item->default_value); \
	if (item->transformer.deserialize && item->transformer.serialize) { \
		INI_ConfigDeserialize##ID* deserialize = item->transformer.deserialize; \
		INI_ConfigSerialize##ID* serialize = item->transformer.serialize; \
		const char serialized_default_value[128]; \
		if (default_value) { \
			serialize(default_value, serialized_default_value, item_array); \
		} \
		char buffer[128]; \
		ini_gets(item->section, item->key, serialized_default_value, buffer, 128, config_path); \
		raw_value = deserialize(buffer, item_array); \
	} else { \
		raw_value = ini_getl(item->section, item->key, default_value, config_path); \
	} \
	INI_ConfigEnsureValid##ID(item, raw_value, default_value); \
} \
 \
INI_ConfigSaveItemResult INI_ConfigSave##ID(INI_ConfigItem* item, const char* config_path, void* item_array) { \
	T dest = *((T*) item->dest); \
	if (item->validator) { \
		INI_ConfigValidate##ID* validate = item->validator; \
		if (!validate(dest)) { \
			dest = *((const T*) item->default_value); \
		} \
	} \
 \
	if (item->transformer.deserialize && item->transformer.serialize) { \
		INI_ConfigSerialize##ID* serialize = item->transformer.serialize; \
		const char serialized_value[128]; \
		serialize(dest, serialized_value, item_array); \
		if (!ini_puts(item->section, item->key, serialized_value, config_path)) { \
			return -1; \
		} \
		return 0; \
	} \
 \
	if (!ini_putl(item->section, item->key, dest, config_path)) { \
		return -1; \
	} \
 \
	return 0; \
} \
 \
void INI_ConfigOverride##ID(INI_ConfigItem* item, uint8_t argc, const char* argv[]) { \
	if (!item->cmdline_option) { \
		return; \
	} \
	const char* cmdline_buffer; \
	char* rest_of_string; \
	static T dest; \
	static T config_value; \
	config_value = *((T*) item->dest); \
	if ((cmdline_buffer = INI_ConfigGetCommandlineOption(argc, argv, item->cmdline_option))) { \
		dest = strtol(cmdline_buffer, &rest_of_string, 10); \
		if (strcmp(cmdline_buffer, rest_of_string) != 0) { \
			INI_ConfigEnsureValid##ID(item, dest, config_value); \
			return; \
		} \
	} \
}

INI_CONFIG_IMPLEMENT_INT_TYPE(U8, uint8_t);
INI_CONFIG_IMPLEMENT_INT_TYPE(U16, uint16_t);
INI_CONFIG_IMPLEMENT_INT_TYPE(U32, uint32_t);
INI_CONFIG_IMPLEMENT_INT_TYPE(I8, int8_t);
INI_CONFIG_IMPLEMENT_INT_TYPE(I16, int16_t);
INI_CONFIG_IMPLEMENT_INT_TYPE(I32, int32_t);