"#33 - javascript"

Roadmap/33 - RESCATANDO A MICKEY/javascript/pedamoci.js

@@ -0,0 +1,154 @@
+import readline from "readline";
+
+const colors = {
+  red: "\x1b[31m",
+  green: "\x1b[32m",
+  yellow: "\x1b[33m",
+  cyan: "\x1b[34m",
+  reset: "\x1b[0m",
+}
+
+class Asks {
+  constructor() {
+    this.rl = readline.createInterface({
+      input: process.stdin,
+      output: process.stdout,
+    });
+  }
+
+  ask(question) {
+    return new Promise((resolve) => {
+      this.rl.question(question, (answer) => resolve(answer));
+    });
+  }
+
+  close() {
+    this.rl.close();
+  }
+}
+
+const asks = new Asks()
+
+function createPath() {
+  let start = [Math.round(Math.random() * 5), 0]
+  let visited = [start]
+  const path = new Set([`${start[0]},${start[1]}`])
+  let resetLimit = 40
+
+  while (visited[visited.length - 1][1] !== 5 && resetLimit > 0) {
+    const MOVES = [
+      [1, 0],
+      [-1, 0],
+      [0, 1],
+      [0, -1]
+    ]
+
+    const [y, x] = visited[visited.length - 1]
+
+    const move = MOVES[Math.floor(Math.random() * 4)]
+
+    const nx = x + move[1]
+    const ny = y + move[0]
+
+    const newMove = `${ny},${nx}`;
+
+    const isInside = ny >= 0 && ny < 6 && nx >= 0 && nx < 6;
+
+    if (isInside && !path.has(newMove)) {
+      visited.push([ny, nx])
+      path.add(newMove)
+    }
+
+    resetLimit--
+  }
+
+  if (resetLimit === 0) {
+    console.log(colors.yellow + 'Resetting path creation...' + colors.reset)
+    return createPath()
+  }
+  return path
+}
+
+function createMaze(path) {
+  const maze = []
+  let row = []
+
+  for (let i = 0, j = 0; i < 6; j++) {
+    if (path.has(`${i},${j}`)) {
+      row.push(0)
+    }
+    else row.push(1)
+
+    if (j === 5) {
+      maze.push(row)
+      i++
+      j = -1
+      row = []
+    }
+  }
+
+  return maze
+}
+
+function prettyMaze(maze, mickey) {
+  return new Promise((resolve) => {
+    const viewMaze = maze.map((column, indexRow) => {
+      return column.map((cell, indexColumn) => {
+        if (indexRow === mickey[0] && indexColumn === mickey[1]) {
+          return '🐭'
+        }
+        else if (cell === 0) {
+          if (indexColumn === 5) return '🚪'
+          else return '⬜️'
+        }
+        else if (cell === 1) {
+          return '⬛️'
+        }
+      })
+    })
+
+    console.log(viewMaze.join('\n').replaceAll(',', ' '))
+  resolve()
+  })
+}
+
+function checkMove({ move, mickey, maze }) {
+  let [y, x] = mickey
+
+  if (move === 'w' && y > 0 && maze[y-1][x] === 0) return [y-1, x]
+  if (move === 's' && y < 5 && maze[y+1][x] === 0) return [y+1, x]
+  if (move === 'a' && x > 0 && maze[y][x-1] === 0) return [y, x-1]
+  if (move === 'd' && x < 5 && maze[y][x+1] === 0) return [y, x+1]
+
+  console.log(colors.red + "Invalid move!" + colors.reset)
+  return mickey
+}
+
+function checkWin(mickey) {
+  if (mickey[1] === 5) {
+    console.log(colors.green + '\n🎉🎊 YOU WIN! Mickey has been rescued! 🎊🎉' + colors.reset)
+  }
+}
+
+async function start() {
+  const maze = createMaze(createPath())
+
+  const startPosition = [maze.findIndex(row => row[0] === 0), 0]
+  let mickey = startPosition
+
+  while (mickey[1] !== 5) {
+    console.log(colors.cyan + '\nCurrent Maze:' + colors.reset)
+
+    await prettyMaze(maze, mickey)
+
+    const move = (await asks.ask(colors.cyan + '\nEnter your move (w/a/s/d): ' + colors.reset)).toLowerCase()
+
+    mickey = checkMove({ move, mickey, maze })
+
+    checkWin(mickey)
+  }
+
+  asks.close()
+}
+
+start()