import java.io.*;
import java.util.*;
import java.nio.file.*;
class Graph{
	Vector<Node> nodes = new Vector();
	/*
	Node depot;
	Node stable;
	Node wheatland;
	Node hotel;
	Node grassland;
	Node statue;
	*/
	Player you;
	Graph() throws IOException{
		String yourname = null;
		String occupation = null;
		//*
		int id = -1;
		String spot = "";
		String des = "";
		String eastId = "";
		String westId = "";
		String southId = "";
		String northId = "";

		String str = "";
		String attributes[];

		BufferedReader br = new BufferedReader(new FileReader("spots.txt"));
			while((str=br.readLine())!=null){
				attributes = str.split(",");
				for(int i = 0; i < attributes.length; i++) {
					id = Integer.parseInt(attributes[0].trim());
					spot = attributes[1].trim();
					des = attributes[2].trim();
					eastId = attributes[3].trim();
					westId = attributes[4].trim();
					southId = attributes[5].trim();
					northId = attributes[6].trim();
				}
				Node newNode = new Node(id, spot, des);
				if(!(eastId.equalsIgnoreCase("null"))){
					newNode.eastId = Integer.parseInt(eastId.trim());
				}
				if(!(westId.equalsIgnoreCase("null"))){
					newNode.westId = Integer.parseInt(westId.trim());
				}
				if(!(southId.equalsIgnoreCase("null"))){
					newNode.southId = Integer.parseInt(southId.trim());
				}
				if(!(northId.equalsIgnoreCase("null"))){
					newNode.northId = Integer.parseInt(northId.trim());
				}
				nodes.add(newNode);
			}//while

		br.close();

		for(int i = 0; i < nodes.size(); i++){
			int eid, wid, sid, nid;
			if(!((eid=nodes.get(i).eastId) == -1)){
				nodes.get(i).setEast(nodes.get(eid));
			}
			if(!((wid=nodes.get(i).westId) == -1)){
				nodes.get(i).setWest(nodes.get(wid));
			}
			if(!((sid=nodes.get(i).southId) == -1)){
				nodes.get(i).setSouth(nodes.get(sid));
			}
			if(!((nid=nodes.get(i).northId) == -1)){
				nodes.get(i).setNorth(nodes.get(nid));
			}
		}//for
		//*/

		/*
		depot = new Node(0, "修道院", "古樸恢弘的建築");
		stable = new Node(1, "馬廄","幾批馬正在吃草");
		wheatland = new Node(2, "一大片麥田","陽光照耀著金黃色的麥田");
		hotel = new Node(3, "有間旅館", "一間破舊的旅社");
		grassland = new Node(4,"綠油油的草地","風吹過草地形成一片片的波浪");
		statue = new Node(5, "大理石雕像","美麗的女神雕像似乎正望著你");

		/////////////////////////////
		depot.east = stable;
		depot.west = wheatland;
		depot.north = statue;
		depot.south = grassland;

		stable.west = depot;

		wheatland.east = depot;
		wheatland.south = hotel;

		grassland.north = depot;
		grassland.west = hotel;

		statue.south = depot;

		hotel.north = wheatland;
		hotel.east = grassland;
		//*/

		/////////////////////////////

		//you = new Player(yourname);
		//you.setOccupation(occupation);
		//you.setLocation(nodes.get(0));//you.setLocation(depot);

		//* --- Load into the game or create a new acount ---
		Scanner sc = new Scanner(System.in);
		System.out.print("請輸入你的名字:\n>>");
		yourname = sc.next().trim();


		String filename = (yourname.toLowerCase())+".txt";
		if(Files.exists(Paths.get(filename))){
			BufferedReader br1 = new BufferedReader(new FileReader(filename));
				you = new Player(br1.readLine().trim());
				you.setOccupation(br1.readLine().trim());
				you.setLocation(nodes.get(Integer.parseInt(br1.readLine().trim())));
			br1.close();
			System.out.println("歡迎繼續冒險 " +you.getOccupation() + " " + yourname);
		}else{
			System.out.print("請選擇你的職業: \n1.戰士\n2.法師\n3.牧師\n>>");
			int occupationId = -1;

			while(true){//if choose the wrong number of occupation, you need to choose again until it is valid
				occupationId = sc.nextInt();
				switch(occupationId){
					case 1:
						occupation = "戰士";
						break;
					case 2:
						occupation = "法師";
						break;
					case 3:
						occupation = "牧師";
						break;
					default:
						System.out.println("請選擇上列職業編號");
				}//switch
				if(occupation != null)
					break;
			}//while

			you = new Player(yourname);

			you.setOccupation(occupation);
			you.setLocation(nodes.get(0));
			System.out.println("歡迎開始冒險 " +you.getOccupation() + " " + yourname);
		}
		//*/

	}//Constructor

	//Methods......
	public String moveEast(){
		if(you.location.east==null){
			return "前面沒路可走";
		}else{
			you.location = you.location.east;
			return you.getName() + "往 東 走向 " + you.location.getSpot() + "\n看到 " + you.location.toString();
		}
	}//moveEast()

	public String moveWest(){
		if(you.location.west==null){
			return "前面沒路可走";
		}else{
			you.location = you.location.west;
			return you.getName() + "往 西 走向 " + you.location.getSpot() + "\n看到 " + you.location.toString();
		}
	}//moveEast()

	public String moveSouth(){
		if(you.location.south==null){
			return "前面沒路可走";
		}else{
			you.location = you.location.south;
			return you.getName() + "往 南 走向 " + you.location.getSpot() + "\n看到 " + you.location.toString();
		}
	}//moveEast()

	public String moveNorth(){
		if(you.location.north==null){
			return "前面沒路可走";
		}else{
			you.location = you.location.north;
			return you.getName() + "往 北 走向 " + you.location.getSpot() + "\n看到 " + you.location.toString();
		}
	}//moveEast()

	////////////////////////////////////
	public String sit(){
		if(you.getPose().contains("坐")){
			return "你已經坐著了";
		}else{
			you.setPose("坐著");
			return you.getName() + "坐了下來";
		}
	}//sit()

	public String stand(){
		if(you.getPose().contains("站")){
			return "你已經站著了";
		}else{
			you.setPose("站著");
			return you.getName() + "站了起來";
		}
	}//stand()

	public String look(){
		return "你面前是 " + you.location.getSpot();
	}//look()

	public String check(){
		return you.getName() +" "+ you.getOccupation() + " 等級: " + you.level;
	}//check()


}