#include "validation.h"

// Check the grammar of the input files.
// You should also check properties of the input.
// E.g., check that a graph is connected.

int main(int argc, char** argv) {
	InputValidator v(argc, argv);
	int n = v.read_integer("n", 1, 1000);
	v.newline();

    std::set<std::string> seen;
    for(int i = 0; i < n; i++) {
        std::string type, fit;
        int num;
        type = v.read_string("type", 1, 20);
        v.space();
        fit = v.read_string("fit", 3, 5);
        v.space();
        num = v.read_integer("num", 1, 1000);
        v.newline();
        for(char c : type) {
            v.check('a' <= c && c <= 'z', "Type may only have lower case letters.");
        }
        v.check(fit == "any" || fit == "right" || fit == "left", 
                "Fit must be left, right or any.");
        std::string comb = type + fit;
        v.check(seen.find(comb) == seen.end(), "a given (fit, type) combination may appear at most once.");
        seen.insert(comb);
    }
	return 0;
}