public class Main {

	static Map<String, Zipcode> uniqueZipcodes = new HashMap<>();
	static int recordsLoaded = 0;
	static int duplicates = 0;
	static int dirtyRecords = 0;

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Main main = new Main();

		main.printResults(main.removeDuplicates());
		Scanner input = new Scanner(System.in);
		System.out.println("Enter zipcode to search : ");
		String zipToSearch = input.nextLine();
		main.searchZip(zipToSearch);
	}

	public StringBuilder removeDuplicates() {
		StringBuilder sb = new StringBuilder();
		try {
			Scanner in = new Scanner(new File("DirtyZipcodes.txt"));
			while(in.hasNextLine()) {
				String line = in.nextLine();
				String[] fields = line.split(",");
				Zipcode zipcode = new Zipcode(fields[0].trim(),fields[1].trim(),fields[2].trim());
				if(uniqueZipcodes.containsKey(zipcode.zipcode)) {

					// Compare objects
					if(zipcode.equals(uniqueZipcodes.get(zipcode.zipcode))) {
						sb.append("Duplicate Found: " + zipcode.zipcode + ", " + zipcode.city + ", " + zipcode.county + "\n");
						duplicates++;
					} else {
					//Zipcode is equal but Objects are different
						Zipcode old = uniqueZipcodes.get(zipcode.zipcode);
						uniqueZipcodes.put(zipcode.zipcode, zipcode);
						dirtyRecords++;
						sb.append("Overwritten: " + old.zipcode + ", " + old.city + ", " + old.county + " by " + zipcode.zipcode + ", " + zipcode.city + ", " + zipcode.county + "\n");
					}
				} else {
					uniqueZipcodes.put(zipcode.zipcode, zipcode);
					recordsLoaded++;
				}

			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		return sb;
	}

	public void printResults(StringBuilder sb) {
		System.out.println(sb.toString());
		System.out.println(recordsLoaded + " records loaded, " + duplicates + " duplicates ignored, " + dirtyRecords + " dirty zipcodes overwritten");
	}

	public void searchZip(String zipcodeToSearch) {
		if(uniqueZipcodes.containsKey(zipcodeToSearch)) {
			Zipcode zip = uniqueZipcodes.get(zipcodeToSearch);
			System.out.println("Found county : " + zip.county + " City: " + zip.city);
		}
	}
}