#include "pch.h"

const int MAX_WORD_LENGTH = 4;
const int MAX_FILE_NAME_LENGTH = 50;

void Seminar5Init() {
	system("cls");

	ShowSeminar5Info();
	ShowSeminar5Menu();

	bool LoopStatus = true;
	int Action = -1;

	while(LoopStatus == true) {
		Action = GetSeminar5MenuAction();
		if(cin.fail()) {
			cin.clear();
			cin.ignore(numeric_limits<streamsize>::max(), '\n');
			cout << endl << "湾觐痧尻蝽 溧眄." << endl;
		} else {
			switch (Action) {
			case 1:
                cout << "骡邃栩� 磬玮囗桢 羿殡� (爨犟桁嚯铄 觐�-忸 耔焘铍钼 � 磬玮囗梃 - " << MAX_FILE_NAME_LENGTH << "): " << endl;
                char FileName[MAX_FILE_NAME_LENGTH];
                cin >> FileName;
                cout << endl;

                FindWords(MAX_WORD_LENGTH, FileName);


				break;
			case 9:
				LoopStatus = false;
				MainMenuInit();
				break;
			default:
				cout << endl << "象黻� 礤 磬殇屙." << endl;
				break;
			}
		}
	}
}

//项桉� � 恹忸� 耠钼 � 镳邃腩驽龛�, 潆桧磬 觐蝾瘥� 礤 镳桠噱� WordLength 耔焘铍钼
void FindWords(int WordLength, char* FileName) {
    ifstream file;
    int WordSize = 0;
    char* result = new char[0];

    char Word[MAX_WORD_LENGTH]; //武眍 桤 耠钼 � 疱珞朦蜞蝈. 陪� 潆桧� 礤 漕腈磬 镳邂囹� MAX_WORD_LENGTH 耔焘铍钼.
                file.open(FileName);
                if(file.is_open()) {
                    cout << "绣珞朦蜞�:" << endl;
                    while (!file.eof()) {
                        char ch;
                        file.get(ch);

                        //朽玟咫屐 镳邃腩驽龛� 磬 耠钼�
                        if ((ch == ' ') || (ch == '\'') || (ch == '.') || (ch == '!') || (ch == '?') || (ch == ',') || (ch == ';') || (ch == '"')) {
                            if(WordSize <= MAX_WORD_LENGTH && WordSize != 0) {
                                for(int i = 0; i < WordSize; i++) {
                                    cout << Word[i];
                                }
                                cout << " ";
                            }

                            //铟棂噱� 爨耨桠 耦 耠钼铎
                            for(int i = 0; i < MAX_WORD_LENGTH; i++) {
                                Word[i] = '\n';
                            }
                            WordSize = 0;
                        } else {
                            if(WordSize < MAX_WORD_LENGTH) {
                                Word[WordSize] = ch;
                            }
                            WordSize++;
                        }
                    }
                    cout << endl;
                } else {
                    cout << "湾忸珈铈眍 铗牮� 羿殡: " << FileName << endl;
                }
                file.close();
}