#!/usr/bin/env node

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

program
  .usage('[options] <txpid>')
  .option('-i, --input [filename]', 'use signatures from file')
  .parse(process.argv);

var args = program.args;
var txpid = args[0] || '';

function processBatch(client, signatures) {
  client.getTxProposals({}, function(err, txps) {
    utils.die(err);

    var selected = [];
    if (txpid) {
      txp = utils.findOneTxProposal(txps, txpid);
      selected.push(txp);
    } else {
      if (txps.length == 0) {
        utils.die('There are no pending transaction proposals.');
      }
      selected = txps;
    }

    _.each(selected, function (txp) {
      var sigs = _.find(signatures, { txpId: txp.id });
      if (sigs) {
        txp.signatures = sigs.signatures;
        client.signTxProposal(txp, function(err, tx) {
          utils.die(err);
          console.log('Transaction %s signed by you.', txp.id);
        });
      }
    });
  });
};

utils.getClient(program, { mustExist: true }, function (client) {
  if (program.input) {
    var inFile = JSON.parse(fs.readFileSync(program.input));
    processBatch(client, inFile);
  } else {
    client.getTxProposals({}, function(err, txps) {
      utils.die(err);
      var txp = utils.findOneTxProposal(txps, txpid);
      client.signTxProposal(txp, function(err, tx) {
        utils.die(err);
        console.log('Transaction signed by you.');
      });
    });
  }
});