import java.io.*;
import java.util.*;

public class ClientRepositoryImp implements ClientRepository {
    private String filePath;

    public ClientRepositoryImp(String filePath) {
        this.filePath = filePath;
    }

    public List<Client> loadClients() throws Exception {
        List<Client> clients = new ArrayList<>();
        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {
            String line;
            while ((line = br.readLine()) != null) {
                String[] data = line.split(",");
                if (data.length == 4) {
                    clients.add(new Client(data[0], data[1], data[2], data[3]));
                }
            }
        }
        return clients;
    }
}