import { ensureDirSync } from 'fs-extra';
import { appendFileSync, lstatSync } from 'fs';
import { parse, resolve } from 'path';
import walkSync from 'walk-sync';
import { fileURLToPath } from 'url';
import { Game } from '@game';
import { isStarted, stop, render } from '@ui';
import { writeFileSync } from 'fs';
import ansi from 'sisteransi';
import cluster from 'cluster';
if(cluster.isMaster) cluster.setupMaster();
import { setInitialize, start } from './Clustering.js';

setInitialize(begin);
start();

async function begin() {
  console.clear();

  function gracefulShutdown() {
    if (isStarted()) {
      stop();
    }
    console.log('shutting down gracefully...');
    if (Game.current) {
      console.log('saving world...');
      Game.current.sync();
    }
    console.log('exitting');
    process.stdout.write(ansi.cursor.show);

    process.exit(0);
  }

  process.on('exit', gracefulShutdown);

  const saveFile = process.argv[2] || 'data/world01.json';

  ensureDirSync(parse(saveFile).dir);


  // TODO extract extension loading into separate file
  console.log('df-idle: Loading extensions');
  const extensionsPath = resolve(parse(fileURLToPath(import.meta.url)).dir, '../content');

  const extensions = walkSync(extensionsPath)
    .map(path => [path, resolve(extensionsPath, path)])
    .filter(path => lstatSync(path[1]).isFile())
    .filter(path => parse(path[1]).ext === '.js');

  console.log('found', extensions.length, 'extensions');

  for (const path of extensions) {
    console.log('=== [', path[0], '] ===');
    await import(path[1]);
    console.log();
  }

  console.log('Setup Complete.');


  for (let seconds = 2; seconds > 0; seconds--) {
    process.stdout.write('Starting DF-Idle in ' + seconds + '\r');
    await new Promise(res => setTimeout(res, 1000));
  }
  console.clear();

  // TODO move render logic into game, so that the ui doesnt exist until the game does...
  // maybe, i mean, an argument could be made for not that, because the game
  // isnt necessarily the entire thing, its just one instance of a save file.
  // But probably the initial menu screens will be their own thing entirely.
  const game = Game.create(saveFile);

}