'use strict';

var inherit = require('inherit'),

temp = require('temp'),

path = require('path'),

_ = require('lodash');

temp.track();

var Temp = inherit({

__constructor: function(dir, opts) {

opts = opts || {};

this._tempDir = opts.attach

? dir

: temp.mkdirSync({

dir: dir && path.resolve(dir),

prefix: '.gemini.tmp.'

});

},

path: function(opts) {

return temp.path(_.extend(opts || {}, {

dir: this._tempDir

}));

},

serialize: function() {

return {dir: this._tempDir};

}

});

var tempInstance;

module.exports = {

init: function(dir) {

if (!tempInstance) {

tempInstance = new Temp(dir);

}

},

attach: function(serializedTemp) {

if (!tempInstance) {

tempInstance = new Temp(serializedTemp.dir, {attach: true});

}

},

path: function(opts) {

return tempInstance.path(opts);

},

serialize: function() {

return tempInstance.serialize();

}

};