// Text Adventure Game
// WTF, CS206: Data Structures
// Bryn Mawr College, Spring 2016
// D.S. Blank

import java.io.*;

public class Game {
    LinkedList<Place> places;
    Stack<Node<Object>> backpack;
    String current_place_name;
    
    public Game(String fileName) {
        places = new LinkedList<Place>();
        backpack = new Stack<Node<Object>>();
        current_place_name = null;
        
        try {
            FileReader fileReader = new FileReader(fileName);
            BufferedReader bufferedReader = new BufferedReader(fileReader);
            String line;
            while((line = bufferedReader.readLine()) != null) {
                System.out.println("line: " + line);
                String[] parts = line.split("::");
                if (parts[0].equals("place")) {
                    places.append(new Place(parts[1], parts[2]));
                    if (current_place_name == null) {
                        current_place_name = parts[1];
                    }
                } else if (parts[0].equals("object")) {
                    Thing thing = new Thing(parts[1], parts[2]);
                    // first, find the place that is mentioned by parts[3]
                    String place_name = parts[3];
                    Node<Place> current = places.head;
                    while (current != null) {
                        if (current.data.name.equals(place_name)) {
                            System.out.println("Put the " + parts[1] + " into " + place_name);
                            break;
                        }
                        current = current.next;
                    }
                    if (current == null) {
                        System.out.println("Can't find place: " + place_name);
                        return;
                    } else {
                        current.data.things.append(thing);
                    }
                } else if (parts[0].equals("command")) {
                    String[] needthings = parts[3].split(",");
                    LinkedList<String> lls = new LinkedList<String>();
                    for (String item: needthings) {
                        lls.append(item);
                    }
                    Action action = new Action(parts[1], parts[2], lls);
                    // Add code here!
                    // Put the action in the associated room
                } else {
                    System.out.println("Ignored: " + line);
                }
            }   
            bufferedReader.close();         
        } catch(FileNotFoundException ex) {
            System.out.println("Unable to open file '" + fileName + "'");                
        } catch(IOException ex) {
            System.out.println("Error reading file '" + fileName + "'");                  
        }
    }
    
    public String getInput(String prompt) {
        System.out.print(prompt);
        String input = null;
        try {
            BufferedReader br =  new BufferedReader(new InputStreamReader(System.in));
            input = br.readLine();
        } catch (IOException io) {
            io.printStackTrace();
        }
        return input;
    }
    
    public void play() {
        // get description of current_place_name
        while (true) {
            Node<Place> current = places.head;
            while (current != null) {
                if (current.data.name == current_place_name) {
                    System.out.println(current.data.description);
                    break;
                }
                current = current.next;
            }
            String action = getInput("> ");
            // Add code here!
            // look for action in the actions of this room
            // change current_place_name, but only if you have the necessary objects
            // Special cases: "pick up OBJECT"
            //                "drop"
        }
    }
    
    public static void main(String[] args) {
        Game game = new Game(args[0]);
        game.play();
    }
}