#!/usr/bin/env node

require('lego-colorful').colorful();
var program = require('commander');
var inquirer = require('inquirer');
var log = require('lego-log');
var client = require('../lib/client');
var iduri = require('../lib/sdk/iduri');

program
  .usage('[options] name[@version]')
  .option('-r, --registry <url>', 'registry url of yuan server')
  .option('--verbose', 'show more log')
  .option('--no-color', 'disable colorful print');

program.on('--help', function() {
  console.log();
  console.log('  ' + 'Examples:'.to.bold.blue);
  console.log();
  console.log('   $ ' + 'lego unpublish'.to.magenta.color + ' jquery');
  console.log('   $ ' + 'lego unpublish'.to.magenta.color + ' jquery' +
              '@1.8.2'.to.cyan.color);
  console.log();
});

program.parse(process.argv);

if (!program.args[0]) {
  process.stdout.write(program.helpInformation());
  program.emit('--help');
  process.exit();
}

console.log();
log.config(program);

var pkg = iduri.resolve(program.args[0]);
if (!pkg) {
  log.error('error', 'invalid module name');
  process.exit(2);
}

if (!pkg.version) {
  confirm(function() {
    unpublish();
  });
} else {
  unpublish();
}

function unpublish() {
  client.unpublish(pkg, {
    registry: program.registry
  }, function(err) {
    if (err) {
      console.log();
      log.error('exit', err.message);
      console.log();
      process.exit(2);
    }
    var version = pkg.version ? '@' + pkg.version : '';
    console.log();
    log.info('unpublished', (pkg.name + version).to.green.color);
    console.log();
  });
}

function confirm(callback) {
  inquirer.prompt({
    type: 'confirm',
    name: 'sure',
    message: 'are you sure to delete all versions?',
    default: false
  }, function(answers) {
    if (answers.sure) {
      callback();
    } else {
      console.log();
      process.exit();
    }
  });
}