#include <iostream>
using namespace std;

int main()
{
    // Write a program using switch that asks the user to
    // input a rating (integer 1-5) for a movie.
    // Based on the user's input, display a message
    // (e.g. "I didn't like that movie, either.")

    // Use the switch to capture user error, too.  Loop
    // back around to read input again until the user
    // enters a valid rating.

    int rating;
    cout << "Please rate THE ADVENTURES OF MILO & OTIS\n";
    cout << " on a 5-star scale (i.e. 1-5): ";
    cin >> rating;

    // one approach to input validation:
//    while ( rating < 1  ||  rating > 5 )
//    {
//        cout << "Sorry, invalid.  Try again: ";
//        cin >> rating;
//    }

    // is user input valid?  initially, false
    bool is_valid = false;

    while ( is_valid == false )
    {
        switch ( rating )
        {
        case 1:
            is_valid = true;
            cout << "It wasn't that bad....\n";
            break;
        case 2:
            is_valid = true;
            cout << "I thought it was better than 2 stars.\n";
            break;
        case 3:
            is_valid = true;
            cout << "Mediocre?  No way.\n";
            break;
        case 4:
            is_valid = true;
            cout << "Only 4 stars?\n";
            break;
        case 5:
            is_valid = true;
            cout << "Yes, I loved it, too!\n";
            break;
        default:
            is_valid = false;
            cout << "Geez, can't you read directions?\n";
            cout << "Please try again: ";
            cin >> rating;
            break;
        }
    }

    return 0;
}