#
#Game - contains the primary game code

import os
import error
import esse
from common import Directions

class game:
    def __init__(self):
        self.board = gameBoard()
        self.player = self.board.getPlayer()
    def move(self, direction):
        self.player.face(direction)
        self.board.moveObject(self.player, direction)
    def interact(self):
        add = Directions.TUPS[self.player.getFacing()]
        targetX, targetY = self.player.getX() + add[0], self.player.getY() + add[1]
        self.board.getObject(targetX, targetY).interact(self)
    def load(self, map, entry='a'):
        self.player = None
        self.board.readPassMap(map, entry)
        self.player = self.board.getPlayer()
    def __str__(self):
        return self.board.__str__()
    
class gameBoard:
    def __init__(self):
        self.readPassMap('main', 'a')
        
    def readPassMap(self, fileName, entry):
        self.theNothing = esse.nothing()
        fullPath = os.path.join('maps', fileName)
        self.player = None
        if os.path.exists(fullPath):
            f = open(fullPath)
            #Get the name
            self.name = f.readline()
            #Create new objects
            l = f.readline() #Ignore the #objects directive
            l = f.readline()
            newObjects = []
            while '#map' not in l:
                command = l.strip().split()
                if command[0] == 'entry' and command[1] != entry:
                	print "Ignoring command: ", command
                else:
                    newObjects.append(esse.esse_lookup[command[0]](command[1:]))
                    if command[0] == 'entry':
                        self.player = newObjects[-1]
                    print "Added new: ", newObjects[-1]
                l = f.readline()
            #Get the pass data
            l = f.readline()
            self.passData, self.objectData = [], []
            n = 0
            while l != '':
                self.passData.append([])
                self.objectData.append([])
                for char in l:
                    self.passData[n].append(char)
                    self.objectData[n].append(self.theNothing)
                n += 1
                l = f.readline()
            #Populate object data
            for object in newObjects:
                self.objectData[object.getY()][object.getX()] = object
        else:
            error.error('file')
            
    def getPlayer(self):
        return self.player
            
    def getPass(self, x, y):
        if self.passData[y][x] == ' ':
            if self.objectData[y][x] == self.theNothing:
                return True
        return False 
    
    def getObject(self, x, y):
        return self.objectData[y][x]
    
    def putObject(self, x, y, object):
        self.objectData[y][x] = object
    
    def removeObject(self, x, y):
        self.objectData[y][x] = self.theNothing
    
    def moveObject(self, object, dir):
        oldx, oldy = object.getX(), object.getY()
        add = Directions.TUPS[dir]
        x, y = oldx + add[0], oldy + add[1]
        print "Moving ", object, " to location ", x, y
        if self.getPass(x, y):
            print "That place is free!"
            object.setX(x)
            object.setY(y)
            self.putObject(x, y, object)
            self.removeObject(oldx, oldy)
            print "Move successful!"
        else:
            print "That place is blocked by ", self.getObject(x, y)
            print "It also has a floor of ", self.passData[y][x]
            error.error('block')
        
    def __str__(self):
        returnValue = ''
        y = 0
        for a in self.passData:
            x = 0
            for b in a:
                if self.passData[y][x] != ' ':
                    returnValue += "X" 
                else:
                    returnValue += self.getObject(x, y).__str__()
                x += 1
            returnValue += '\n'
            y += 1
        return returnValue