#!/usr/bin/env node

var program = require('commander');
var fs = require('fs');
var utils = require('./cli-utils');
program = utils.configureCommander(program);

program
  .option('-t, --testnet', 'testnet network')
  .option('-f, --file', 'import from file')
  .option('-q, --qr', 'import from a QR code')
  .option('-e, --exportpassword <password>', 'a password to decrypt the data being imported')
  .option('-p, --password', 'Encrypt wallet. Will ask password interactively')
  .usage('[options] <backup> <passphrase>')
  .parse(process.argv);

var args = program.args;

if (!args[0])
  program.help();

utils.getClient(program, {
  mustBeNew: true
}, function(client) {
  if (program.file) {
    var file = args[0];
    var str = fs.readFileSync(file, {
      encoding: 'utf8'
    });

    try {
      client.import(str, {
        compressed: !!program.qr,
        password: program.exportpassword,
      });
    } catch (ex) {
      utils.die('Could not import. Check input file and password');
    }

    utils.saveClient(program, client, function() {
      var access = client.canSign() ? 'with signing capability' : 'without signing capability';
      console.log('Wallet Imported ' + access + '.');
    });
  } else {
    var mnemonics = args[0];
    var passphrase = args[1];
    var network = program.testnet ? 'testnet' : 'livenet';
    client.importFromMnemonic(mnemonics, {
      network: network,
      passphrase: passphrase,
    }, function(err) {
      if (err)
        utils.die('Could not import' + err);

      utils.saveClient(program, client, function() {
        var access = client.canSign() ? 'with signing capability' : 'without signing capability';
        console.log('Wallet Imported ' + access + '.');
      });
    });
  }
});