#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include <stdio.h>
#include <malloc.h>
#include <string.h>
#include "../structs.h"

BOOL WINAPI DllMain(HINSTANCE hlnstDll, DWORD dwReason, LPVOID IpReserved)
{
	BOOL bAllWentWell = TRUE;
	switch (dwReason)
	{
	case DLL_PROCESS_ATTACH:
		break;
	case DLL_THREAD_ATTACH:
		break;
	case DLL_THREAD_DETACH:
		break;
	case DLL_PROCESS_DETACH:
		break;
	}
	if (bAllWentWell)
		return TRUE;
	else
		return FALSE;
}

//extern "C" __declspec(dllimport) int MyFunc(const wchar_t* str);



//int MyFunc(const wchar_t* str) {
//	MessageBox(NULL, str, L"ß äà", MB_OK);
//	return 0;
//}
int Convert_sub(char* sub) {
	int result = 0;
	int ymnoz = 1;
	for (size_t i = 0; i < strlen(sub); i++)
	{
		result *= ymnoz;
		result += sub[i] - '0';
		ymnoz *= 10;
	}
	return result;
}

extern "C" __declspec(dllimport) ResultUserAndCount GetFirstAndCounter(FILE* file_read);
ResultUserAndCount GetFirstAndCounter(FILE* file_read) {
	ResultUserAndCount result = { NULL, 0 };
	User* list_user = (User*)malloc(sizeof(User) * 200);
	char* buffer = (char*)malloc(sizeof(char) * 100);
	int index_start = 0;
	int index_list = 0;
	int count_user = 0;
	int count_sub_char = 0;
	while (fscanf(file_read, "%s", buffer) == 1) {
		for (size_t i = 0; i < strlen(buffer); i++)
		{
			if (buffer[i] != '\r' && buffer[i] != '\n' && buffer[i] != '\"') {
				if (buffer[i] == ';')
				{	
					char* sub = (char*)malloc(sizeof(char) * 100);
					int index_sub = 0;
					for (size_t j = index_start + 1; j < i; j++)
					{
						sub[index_sub] = buffer[j];
						index_sub++;
					}			
					sub[index_sub] = '\0';
					index_start = i;
					switch (count_sub_char)
					{
					case 0:
						list_user[index_list].last_name = sub;
						break;
					case 1:
						list_user[index_list].first_name = sub;
						break;
					case 2:
						list_user[index_list].patrinymic = sub;
						break;
					default:
						break;
					}
					count_sub_char++;
					
				}
			}
			else if (buffer[i] == '\"' && count_sub_char != 0) {
				char* sub = (char*)malloc(sizeof(char) * 100);
				int index_sub = 0;
				for (size_t j = index_start + 1; j < i; j++)
				{
					sub[index_sub] = buffer[j];
					index_sub++;
				}
				sub[index_sub] = '\0';
				list_user[index_list].age = Convert_sub(sub);
				count_sub_char = 0;
				index_start = 0;
				index_list++;
				count_user++;
			}
		}

	}
	result.count_users = count_user;
	result.user = list_user[0];
	return result;
}