#include <string>
#include <iostream>
#include "sentence.h"
#include <ctype.h>

// prompt for a one char answer - given set of possible answers and prompt
char GetValid (const string & ok, const string & prompt) {
	char answ;
	// ask and get answer
	cout << prompt << flush;
	cin >> answ;
	int found = ok.find(answ);
	// reprompt if answer not among ok answers
	while ((found < 0) || (found >= ok.length())) {
		// tell user they were wrong and what is ok
		cout << "Your answer was invalid. It must be one of ";
		for (int cnt = 0; cnt < ok.length(); cnt++){
			cout << " " << ok[cnt];
		}
		cout << endl;
		// reprompt and get answer
		cout << prompt << flush;
		cin >> answ;
		found = ok.find(answ);
	}
	return answ;
}

void Stats (Sentence & currSent) {
	cout << currSent << endl;
	int numWords = currSent.HowManyWords();
	cout << "Words: " << numWords << endl;
	double aveLen = currSent.AveWordLen();
	cout << "Mean Word Length: " << aveLen << endl;
	int longWordLen = currSent.LongestWordLen();
	string longWord = currSent.LongestWord();
	cout << "Longest Word: " << longWord << " Length: " << longWordLen << endl;
}


int main() {
	/*
	Sentence mySent(cin);
	cout << mySent << endl;
	int numWords = mySent.HowManyWords();
	cout << "Words: " << numWords << endl;
	double aveLen = mySent.AveWordLen();
	cout << "Mean Word Length: " << aveLen << endl;
	int longWordLen = mySent.LongestWordLen();
	string longWord = mySent.LongestWord();
	cout << "Longest Word: " << longWord << " Length: " << longWordLen << endl;

  */
	Sentence stuff[10];
	int count = 0;
	char ask;
	do {
		// ask for new sentence and get it and stick it in array
		Sentence curr(cin);
		stuff[count] = curr;
		// calculate stats for the sentence
		Stats(stuff[count]);

		// ask user if they want to go on (and ensure we get a valid answer)
		ask = GetValid("ynYN", "Do you want to enter another? ");
		// convert to lower case to make checking  easier
		ask = tolower(ask);
		count++;
	}
	while (ask == 'y');  // stay in as long as they say they want another

	return 0;
}