#!/usr/bin/env node

'use strict';

const cp = require('child_process');
const fs = require('bfile');
const {resolve} = require('path');
const {argv} = process;

if (argv.length < 3) {
  console.error('Usage: $ ./migrate/latest [bcoin-prefix]');
  console.error('Example: $ ./migrate/latest ~/.bcoin');
  process.exit(1);
  return;
}

function exec(file, ...args) {
  try {
    const result = cp.spawnSync(file, args, {
      stdio: 'inherit',
      env: process.env,
      maxBuffer: -1 >>> 0,
      windowsHide: true
    });
    if (result.error)
      console.error(result.error.message);
  } catch (e) {
    console.error(e.message);
  }
}

const node = argv[0];
const prefix = argv[2];

const chain = resolve(prefix, 'chain');
const spvchain = resolve(prefix, 'spvchain');

(async () => {
  if (await fs.exists(chain))
    exec(node, resolve(__dirname, 'chaindb4to6.js'), chain);

  if (await fs.exists(spvchain))
    exec(node, resolve(__dirname, 'chaindb4to6.js'), spvchain);
})().catch((err) => {
  console.error(err.stack);
  process.exit(1);
});