import pygame
import project_constants as const
import json_generator as js
import json

 # Class of our agent, initialization of it
 # movment functions (those defiend by the 'go_' prefix are not meant to actually move our agent, they just return some values 
 # that are later used by another function called 'is_valid_move' (which is defined in Minefield)); 
   
class Agent:
    def __init__(self, json_path):
        with open(json_path) as json_data:
            data = json.load(json_data)
        self.row, self.column = data['agent_starting_position'].split(",")
        self.position = [int(self.row), int(self.column)]
        #self.direction = const.Direction()
        self.direction = 0


    def rotate_left (self):
        self.direction = self.direction.previous()
    def rotate_right(self):
        self.direction = self.direction.next()  
    
    def go(self):
        if (self.direction == const.Direction.RIGHT ):
            temp = go_right()
            self.position[1] = temp[1]
        elif (self.direction == const.Direction.LEFT ):
            temp = go_left()
            self.position[1] = temp[1] 
        elif (self.direction == const.Direction.UP):
            temp = go_up()
            self.position[0] = temp[0]
        elif (self.direction == const.Direction.DOWN):
            temp = temp = go_down()
            self.position[0] = temp[0]

    def go_right(self):
       
        return self.position[0], self.position[1] + 1

    def go_left(self):
      
        return self.position[0], self.position[1] - 1

    def go_up(self):
        
        return self.position[0] - 1, self.position[1]

    def go_down(self):
    
        return self.position[0] + 1, self.position[1]