package pathfinder.mergetest;

import java.util.LinkedList;
import remoteeditor.command.REPCommand;
import remoteeditor.network.REP;

public class TestMerger {
	static public int cmdNO[] = { REP.REPCMD_INSERT, REP.REPCMD_REPLACE, REP.REPCMD_DELETE };
	private NetworkSimulator<REPCommand> ns=null;
	private LinkedList<EditorSimulator> editors;
	private SeMaSimulator<REPCommand> sema;
	private UsersSimulator users;

	public TestMerger(){
		editors = new LinkedList<EditorSimulator>();
	}

	public static void main(String[] args){
		TestMerger tm;
		/* get the number of Editors.  */
		int i = (args.length>0) ? Integer.parseInt(args[0]) : 2;
		System.out.println("number of Editor = "+i);
		/* get the number of Command.  */
		int j = (args.length>1) ? Integer.parseInt(args[1]) : 3;
		System.out.println("number of Packet = "+j);

		/* create, initialize and start test.  */
		tm = new TestMerger();
		tm.init(true, i, j);
		tm.startTest();

		//tm.printAllTexts();
		//if (!tm.checkCS())
		//	System.out.println("Error!! :some ChannelSimulator still have packet!");
		if (!tm.checkEquality())
			System.out.println("Error!! :all Editor's text is NOT mutch!");
		assert tm.checkEquality();
	}

	private void startTest() {
		/* start all Editors.  */
		for (EditorSimulator ee: editors){
			ee.start();
		}
		/* start SessionManager if it exist.  */
		if (sema!=null) sema.init();
		if (sema!=null) sema.start();
		users.init();
		users.start();

		/* wait Editors finish.  */
		for (EditorSimulator ee: editors){
			try {
				ee.join();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		/* inform SessionManager to finish.  */
		if (sema!=null) sema.finish();
	}

	private void init(boolean sm, int ne, int np){
		/* create NetworkSimulator, and SessionManager if it's required.   */
		if (sm){
			ns = new NetworkSimulatorwithSeMa<REPCommand>();
			sema = new SeMaSimulator<REPCommand>(ns, ne);
		} else {
			ns = new NetworkSimulatorwithoutSeMa<REPCommand>();
			sema = null;
		}

		/* create UsersSimulator.  */
		users = new UsersSimulator(ns, ne, np*ne);

		/* create ne Editors and np commands.  */
		for (int i=0; i<ne; i++){
			LinkedList<REPCommand> cmds = new LinkedList<REPCommand>();
			// 各エディタが送信するコマンド列を生成

			/* create command list.  */
			/*
			for (int j=0; j<np; j++){
				String str = "created by Editor"+i+":"+j;
				REPCommand cmd = new REPCommand(REP.REPCMD_INSERT,
					0, i, j,
					10, //Verify.random(text.size()-1), //size-1?
					str.length(), str);
				cmds.add( cmd);
			}
			*/

			/* create a Editor, and pass command list to it.  */
			EditorSimulator ee = new EditorSimulator(i, ns, cmds, "Editor"+i);
			if(i==0) ee.setOwner(true);
			editors.add(ee);
		}
	}

	private void printAllTexts(){
		for(EditorSimulator ee: editors){
			System.out.println("--"+ee.getName()+"------------------------");
			ee.getText().printAllText();
		}
	}
/*
	private boolean checkCS(){
		return ns.checkAllCS();
	}
*/
	private boolean checkEquality(){
		/*
		Text ee0 = editors.remove().getText();
		return editors.remove().getText().equals(ee0);
		*/
		Text text0 = editors.element().getText();
		for(EditorSimulator ee: editors){
			if (!text0.equals(ee.getText())) return false;
		}
		return true;
	}
}