#!/usr/bin/env python3.12

from dataclasses import dataclass
import sys


@dataclass
class Koht:
    x: int
    y: int


def checksouth(x, y):
    print("south")
    if x < (len(ruum) - 1):
        print('poleservastyle')
        if ruum[x + 1][y] in ("|JL") and leitud[x + 1][y] == " ":
            print("south")
            return [Koht(x+1,y)]
    return []


def checknorth(x, y):
    print("north")
    if x > 0:
        print('poleservastyle')
        if ruum[x - 1][y] in ("|7F") and leitud[x - 1][y] == " ":
            print("north")
            return [Koht(x - 1, y)]
    return []


def checkwest(x, y):
    print("west")
    if y > 0:
        print('poleservastyle')
        if ruum[x][y - 1] in ("-LF") and leitud[x][y - 1] == " ":
            print("west")
            return [Koht(x, y - 1)]
    return []


def checkeast(x, y):
    print("east")
    if y < (len(ruum[x]) - 1):
        print('poleservastyle')
        if ruum[x][y + 1] in ("-J7") and leitud[x][y + 1] == " ":
            print("east")
            return [Koht(x, y + 1)]
    return []


def ruumikorvalon(x, y):
    vastus = []
    if ruum[x][y] == "S":
        vastus = checknorth(x, y) + checksouth(x, y) + checkwest(x, y) + checkeast(x, y)
    if ruum[x][y] == "|":
        vastus = checknorth(x, y) + checksouth(x, y)
    if ruum[x][y] == "-":
        vastus = checkeast(x, y) + checkwest(x, y)
    if ruum[x][y] == "L":
        vastus = checknorth(x, y) + checkeast(x, y)
    if ruum[x][y] == "J":
        vastus = checknorth(x, y) + checkwest(x, y)
    if ruum[x][y] == "F":
        vastus = checksouth(x, y) + checkeast(x, y)
    if ruum[x][y] == "7":
        vastus = checksouth(x, y) + checkwest(x, y)
    return vastus


def otsing(x, y):
    mitmes = 0
    kasonveel = True
    vajateha = [Koht(x, y)]
    while kasonveel:
        kasonveel = False
        jargmised = []
        for i in vajateha:
            print(i)
            leitud[i.x][i.y] = str(mitmes)
            print(f"mitmes on praegu {mitmes}")
            jargmised += ruumikorvalon(i.x, i.y)
        if len(jargmised)> 0:
            kasonveel = True
        else:
            print(f"Vastus on {mitmes}")
        vajateha = jargmised.copy()
        #kuva(leitud)
        mitmes += 1



def kuva(n):
    for i in n:
        print("#" + "".join(i) + "#")
    print()


with open("data.txt") as file:
    lines = [line.rstrip() for line in file]

ruum = []
leitud = []
for line in lines:
    ruum.append([*line])
    leitud.append([" "] * len(line))


# kuva(leitud)
# kuva(ruum)

leitudS = False
for x, rida in enumerate(ruum):
    print(list(enumerate(rida)))
    for y, asukoht in enumerate(rida):
        print(f"x={x}, y={y}, koht={asukoht}")
        if asukoht == "S":
            otsing(x, y)
            leitudS = True
            break
    if leitudS:
        break