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const { Machine, actions } = require('../../lib');const { interpret } = require('../../lib/interpreter');const { getValueAdjacencyMap } = require('../../lib/graph');
const isValidMoveFor = player => (xs, e) => {  return e.player === player && xs.board[e.value] === null;};
const checkWin = player => (xs, e) => {  const { board } = xs;  const winningLines = [    [0, 1, 2],    [3, 4, 5],    [6, 7, 8],    [0, 3, 6],    [1, 4, 7],    [2, 5, 8],    [0, 4, 8],    [2, 4, 6]  ];
  for (let line of winningLines) {    const playerWon = line.every(index => {      return board[index] === player;    });
    if (playerWon) {      return true;    }  }};
const ticTacToeMachine = Machine(  {    initial: 'x turn',    states: {      'x turn': {        on: {          '': [            {              target: 'winner x',              cond: checkWin('x')            },            {              target: 'winner o',              cond: checkWin('o')            }          ],          PLAY: [            {              target: 'o turn',              cond: isValidMoveFor('x'),              actions: [                actions.assign({                  board: (xs, e) => {                    const newBoard = [...xs.board];                    newBoard[e.value] = e.player;                    return newBoard;                  },                  moves: xs => xs.moves + 1                }),                checkWin              ]            },            { actions: [() => console.log('Illegal move')] }          ]        }      },      'o turn': {        on: {          '': [            {              target: 'winner x',              cond: checkWin('x')            },            {              target: 'winner o',              cond: checkWin('o')            }          ],          PLAY: [            {              target: 'x turn',              cond: isValidMoveFor('o'),              actions: [                actions.assign({                  board: (xs, e) => {                    const newBoard = [...xs.board];                    newBoard[e.value] = e.player;                    return newBoard;                  },                  moves: xs => xs.moves + 1                })              ]            },            { actions: [() => console.log('Illegal move')] }          ]        }      },      'winner x': {        on: {          PLAY: undefined        }      },      'winner o': {        on: {          PLAY: undefined        }      }    }  },  {},  {    board: Array(9).fill(null),    moves: 0  });
const service = interpret(ticTacToeMachine, e => {  // console.log(e.value);  // console.log(e.ext);  // console.log('\n');});
// interpreter.init();
const valueAdjacencyMap = getValueAdjacencyMap(ticTacToeMachine, {  events: {    PLAY: [      { type: 'PLAY', player: 'x', value: 0 },      { type: 'PLAY', player: 'x', value: 1 },      { type: 'PLAY', player: 'x', value: 2 },      { type: 'PLAY', player: 'x', value: 3 },      { type: 'PLAY', player: 'x', value: 4 },      { type: 'PLAY', player: 'x', value: 5 },      { type: 'PLAY', player: 'x', value: 6 },      { type: 'PLAY', player: 'x', value: 7 },      { type: 'PLAY', player: 'x', value: 8 },      { type: 'PLAY', player: 'o', value: 0 },      { type: 'PLAY', player: 'o', value: 1 },      { type: 'PLAY', player: 'o', value: 2 },      { type: 'PLAY', player: 'o', value: 3 },      { type: 'PLAY', player: 'o', value: 4 },      { type: 'PLAY', player: 'o', value: 5 },      { type: 'PLAY', player: 'o', value: 6 },      { type: 'PLAY', player: 'o', value: 7 },      { type: 'PLAY', player: 'o', value: 8 }    ]  }});
Object.keys(valueAdjacencyMap)  .filter(key => {    const adjacencies = valueAdjacencyMap[key];
    return key.includes('winner o');  })  .map(key => {    const [state, ext] = key.split(' | ');    const extValue = JSON.parse(ext);
    return extValue;  })  .filter(ext => ext.moves === 5)  .map(({ board }) => {    const b = board.map(cell => (cell === null ? '_' : cell));    return [[b[0], b[1], [b[2]]], [b[3], b[4], [b[5]]], [b[6], b[7], [b[8]]]]      .map(a => a.join(''))      .join('\n');  })  .forEach(a => console.log(a + '\n'));// .map(key => valueAdjacencyMap[key]);
// interpreter.init();
// interpreter.send({ type: 'PLAY', player: 'x', value: 0 });// interpreter.send({ type: 'PLAY', player: 'o', value: 1 });// interpreter.send({ type: 'PLAY', player: 'x', value: 3 });// interpreter.send({ type: 'PLAY', player: 'o', value: 4 });// interpreter.send({ type: 'PLAY', player: 'o', value: 5 });// interpreter.send({ type: 'PLAY', player: 'x', value: 6 });// interpreter.send({ type: 'PLAY', player: 'o', value: 0 });// interpreter.send({ type: 'PLAY', player: 'x', value: 0 });