#!/bin/python3
import sys,time,re
from pprint import pprint
sys.path.insert(0, '../../')
from fred import list2int,get_re,nprint,lprint,loadFile,bfs,get_value_in_direction,addTuples,grid_valid
start_time = time.time()

input_f = 'input'

#########################################
#                                       #
#              Part 1                   #
#                                       #
#########################################
def part1():
    instructions = []
    grid = []
    w = 70
    h = 70
    end = (h,w)
    start = (0,0)
    with open(input_f) as file:
        for line in file:
            l = list2int(line.rstrip().split(','))
            instructions.append((l[0],l[1]))
    #print(instructions)
    
    grid = [[ '.' for x in range(0,w+1)] for y in range(0,h+1)]
    
    for i in range(1024):
        x = instructions[i]
        grid[x[0]][x[1]] = '#'
    

    
    def is_goal(node):
        #print(node)
        
        return True if node == end else False
    
    def get_neighbors(node):
        directions = ['up','down','left','right']
        offsets = {
            'up': (-1, 0),
            'down': (1, 0),
            'left': (0, -1),
            'right': (0, 1),
        }
        neighbors = []

        # Loop through all the directions
        for d in directions:
            tmp = addTuples(offsets[d],node)
            if get_value_in_direction(grid,node,d) != '#' and grid_valid(tmp[0],tmp[1],grid):
                neighbors.append((tmp[0],tmp[1]))
        # Return the list of valid neighbors
        return neighbors
    
    goal_nodes, path = bfs((0,0),is_goal,get_neighbors)
    print(goal_nodes)
    return len(path[goal_nodes[0]])-1
    
start_time = time.time()
print('Part 1:',part1(), '\t\t', round((time.time() - start_time)*1000), 'ms')


#########################################
#                                       #
#              Part 2                   #
#                                       #
#########################################
def part2():
    return
    
start_time = time.time()
print('Part 2:',part2(), '\t\t', round((time.time() - start_time)*1000), 'ms')