/**
 * @depend ../sinon.js
 * @depend collection.js
 * @depend util/fake_timers.js
 * @depend util/fake_server_with_clock.js
 */
/*jslint eqeqeq: false, onevar: false, plusplus: false*/
/*global require, module*/
/**
 * Manages fake collections as well as fake utilities such as Sinon's
 * timers and fake XHR implementation in one convenient object.
 *
 * @author Christian Johansen (christian@cjohansen.no)
 * @license BSD
 *
 * Copyright (c) 2010-2013 Christian Johansen
 */
"use strict";

if (typeof module !== "undefined" && module.exports && typeof require == "function") {
    var sinon = require("../sinon");
    sinon.extend(sinon, require("./util/fake_timers"));
}

(function () {
    var push = [].push;

    function exposeValue(sandbox, config, key, value) {
        if (!value) {
            return;
        }

        if (config.injectInto && !(key in config.injectInto)) {
            config.injectInto[key] = value;
            sandbox.injectedKeys.push(key);
        } else {
            push.call(sandbox.args, value);
        }
    }

    function prepareSandboxFromConfig(config) {
        var sandbox = sinon.create(sinon.sandbox);

        if (config.useFakeServer) {
            if (typeof config.useFakeServer == "object") {
                sandbox.serverPrototype = config.useFakeServer;
            }

            sandbox.useFakeServer();
        }

        if (config.useFakeTimers) {
            if (typeof config.useFakeTimers == "object") {
                sandbox.useFakeTimers.apply(sandbox, config.useFakeTimers);
            } else {
                sandbox.useFakeTimers();
            }
        }

        return sandbox;
    }

    sinon.sandbox = sinon.extend(sinon.create(sinon.collection), {
        useFakeTimers: function useFakeTimers() {
            this.clock = sinon.useFakeTimers.apply(sinon, arguments);

            return this.add(this.clock);
        },

        serverPrototype: sinon.fakeServer,

        useFakeServer: function useFakeServer() {
            var proto = this.serverPrototype || sinon.fakeServer;

            if (!proto || !proto.create) {
                return null;
            }

            this.server = proto.create();
            return this.add(this.server);
        },

        inject: function (obj) {
            sinon.collection.inject.call(this, obj);

            if (this.clock) {
                obj.clock = this.clock;
            }

            if (this.server) {
                obj.server = this.server;
                obj.requests = this.server.requests;
            }

            return obj;
        },

        restore: function () {
            sinon.collection.restore.apply(this, arguments);
            this.restoreContext();
        },

        restoreContext: function () {
            if (this.injectedKeys) {
                for (var i = 0, j = this.injectedKeys.length; i < j; i++) {
                    delete this.injectInto[this.injectedKeys[i]];
                }
                this.injectedKeys = [];
            }
        },

        create: function (config) {
            if (!config) {
                return sinon.create(sinon.sandbox);
            }

            var sandbox = prepareSandboxFromConfig(config);
            sandbox.args = sandbox.args || [];
            sandbox.injectedKeys = [];
            sandbox.injectInto = config.injectInto;
            var prop, value, exposed = sandbox.inject({});

            if (config.properties) {
                for (var i = 0, l = config.properties.length; i < l; i++) {
                    prop = config.properties[i];
                    value = exposed[prop] || prop == "sandbox" && sandbox;
                    exposeValue(sandbox, config, prop, value);
                }
            } else {
                exposeValue(sandbox, config, "sandbox", value);
            }

            return sandbox;
        }
    });

    sinon.sandbox.useFakeXMLHttpRequest = sinon.sandbox.useFakeServer;

    if (typeof define === "function" && define.amd) {
        define(["module"], function(module) { module.exports = sinon.sandbox; });
    } else if (typeof module !== 'undefined' && module.exports) {
        module.exports = sinon.sandbox;
    }
}());
