package pizza.presentation.clientserver;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.Set;
import java.util.HashSet;
import java.util.List;

import pizza.config.PizzaSystemConfig;

import pizza.service.AdminService;
import pizza.service.ServiceException;
import pizza.service.StudentService;

import pizza.domain.PizzaOrder;
import pizza.domain.PizzaSize;
import pizza.domain.Topping;
//This class tests the full system.

public class SystemTest {

	private BufferedReader reader;
	private AdminService adminService;
	private StudentService studentService;
	private String inFile;
	
	public SystemTest(String inFile)
	{	
		this.inFile = inFile;
		PizzaSystemConfig.configureServices();
		adminService = PizzaSystemConfig.getAdminService();
		studentService = PizzaSystemConfig.getStudentService();
	}

	
	public static void main(String[] args) {
		String inFile = null;
		if (args.length == 1) {
			inFile = args[0];
		} else {
			System.out.println("usage:java SystemTest <inputFile> ");
			System.exit(1);
		}
		SystemTest test = new SystemTest(inFile);
		try {
			test.run();
		} catch (Exception e) {
			System.err.println("Error in run: " + e + "Cause: "+ e.getCause());
		}
	}

	public void run() throws IOException, ServiceException {
		String command = null;
		reader = new BufferedReader( new FileReader(inFile));
		while( ( command = getNextCommand() ) != null ) {
			System.out.println("\n\n*************" + command + "***************\n");
			if( command.equalsIgnoreCase("ai") ) {  // admin init db
				adminService.initializeDb();  // create new tables, etc.
				adminService.addPizzaSize("small");
				adminService.addTopping("Pepperoni");
			}
		  else if(command.equalsIgnoreCase("anr"))  // admin next ready
			  adminService.markNextOrderReady();
		  else if(command.equalsIgnoreCase("aad")) // admin advance day
			  adminService.advanceDay();
		  else if(command.equalsIgnoreCase("acr")) {  // admin college report
			  List<PizzaOrder> report = adminService.getAdminReport();
			  PresentationUtils.printReport(report, System.out);
		  }
		  else if(command.equalsIgnoreCase("adr")) {  // admin daily report
			  List<PizzaOrder> report = adminService.getDailyReport();  
			  PresentationUtils.printReport(report, System.out);
		  }
		  else if(command.startsWith("ss"))	// student status
			  handleOrderStatus(command);
		  else if(command.startsWith("so"))	// studnet order
			  handleStudentOrder(command);
		  else
			  System.out.println("Invalid Command: " + command );
			System.out.println("----OK");
		} 
		reader.close();
	}
	
	public String getNextCommand()throws IOException
	{
	   String line = reader.readLine();
	   return (line!=null)?line.trim():line;		  
	}
	
	private void handleOrderStatus(String command) throws ServiceException {
		StringTokenizer tokenizer = new StringTokenizer(command);
		tokenizer.nextToken();
		int roomNumber = Integer.parseInt(tokenizer.nextToken());
		List<PizzaOrder> report = studentService.getOrderStatus(roomNumber);
		PresentationUtils.printOrderStatus(report, System.out);
	}
	
	private void handleStudentOrder(String command) throws ServiceException {
		StringTokenizer tokenizer = new StringTokenizer(command);
		tokenizer.nextToken();
		int roomNumber = Integer.parseInt(tokenizer.nextToken());
		List<Topping> allToppings = studentService.getToppings();
		Set<Integer> tops = new HashSet<Integer>();
		for (Topping top: allToppings)
			tops.add(top.getId());
		List<PizzaSize> allPizzaSizes = studentService.getPizzaSizes();
		PizzaSize chosenPizzaSize = allPizzaSizes.get(0);
	
		studentService.makeOrder(roomNumber, chosenPizzaSize.getId(), tops);
	}	
}