"use strict";
require("typings-global");
var plugins = require("./npmci.plugins");
var npmci_bash_1 = require("./npmci.bash");
exports.install = function (versionArg) {
    var done = plugins.q.defer();
    plugins.beautylog.log("now installing " + "node ".green + ("version " + versionArg).yellow);
    var version;
    if (versionArg == "lts") {
        version = "4";
    }
    else if (versionArg == "legacy") {
        version = "4.0.0";
    }
    else {
        version = versionArg;
    }
    ;
    npmci_bash_1.bash("nvm install " + version +
        " && nvm alias default " + version);
    plugins.beautylog.success("Node version " + version + " successfully installed!");
    npmci_bash_1.bash("node -v");
    npmci_bash_1.bash("npm -v");
    done.resolve();
    return done.promise;
};

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