{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 160,
   "metadata": {},
   "outputs": [],
   "source": [
    "raw_warehouse = []\n",
    "raw_route = []\n",
    "reading_map = True\n",
    "with open('testinput','r') as infile:\n",
    "    for line in data:\n",
    "        line = line.strip()\n",
    "        if reading_map:\n",
    "            if len(line) >0:\n",
    "                raw_warehouse.append(list(line))\n",
    "            else:\n",
    "                reading_map = False\n",
    "        else:\n",
    "            for char in line:\n",
    "                if char in \"<>v^\":\n",
    "                    raw_route.append(char)\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 161,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "warehouse=np.array(raw_warehouse)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 162,
   "metadata": {},
   "outputs": [],
   "source": [
    "conv_direction = {\n",
    "    '<' : np.array([0,-1]),\n",
    "    '>' : np.array([0,1]),\n",
    "    '^' : np.array([-1,0]),\n",
    "    'v' : np.array([1,0])\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 163,
   "metadata": {},
   "outputs": [],
   "source": [
    "def in_bounds(pos,warehouse):\n",
    "    return pos[0] >= 0 and pos[0]<len(warehouse) and pos[1] >= 0 and pos[1] < len(warehouse[pos[0]])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 164,
   "metadata": {},
   "outputs": [],
   "source": [
    "def next_pos(pos,direction,warehouse):\n",
    "    return tuple(np.array(pos) +  conv_direction[direction])\n",
    "    # return newpos if in_bounds(newpos,warehouse) else None\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 165,
   "metadata": {},
   "outputs": [],
   "source": [
    "def can_move(pos,direction,warehouse):\n",
    "    new_pos = next_pos(pos,direction,warehouse)\n",
    "    if in_bounds(new_pos,warehouse):\n",
    "        match warehouse[new_pos]:\n",
    "            case '.':\n",
    "                return True\n",
    "            case '#':\n",
    "                return False\n",
    "            case 'O':\n",
    "                # Find next wall in that direction and look for at least on free space\n",
    "                cursor = new_pos\n",
    "                \n",
    "                \n",
    "\n",
    "    return False\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 166,
   "metadata": {},
   "outputs": [],
   "source": [
    "def get_locations(warehouse,target='@'):\n",
    "    return list(zip(*np.where(warehouse==target)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 167,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 167,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "can_move(get_locations(warehouse)[0],'<',warehouse)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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