/*
建造者模式：
将一个复杂对象的构建层与其表示层相互分离，同样的构建过程可采用不同的表示。
*/

// 创建一位人类
var Human = function(params) {
    // 技能
    this.skill = params && params.skill || "保密";
    // 兴趣爱好
    this.hobby = params && params.hobby || "保密";
};

// 人类原型方法
Human.prototype = {
    getSkill: function() {
        return this.skill;
    },
    getHobby: function() {
        return this.hobby;
    }
};

// 实例化姓名类
var Named = function(name) {
    var that = this;
    // 构造器
    // 构造函数解析姓名的姓与名
    (function(name, that) {
        that.wholeName = name;
        if (name.indexOf(" ") > -1) {
            that.firstName = name.slice(0, name.indexOf(" "));
            this.secondName = name.slice(name.indexOf(" "));
        }
    })(name, that);
};

// 实例化职位类
var Work = function(work) {
    var that = this;
    // 构造器
    // 构造函数中通过传入的职位特征来设置相应的职位以及描述
    (function(work, that) {
        switch (work) {
            case "code":
                that.work = "工程师";
                that.workDescript = "每天沉醉于编程";
                break;
            case "UI":
            case "UE":
                that.work = "设计师";
                that.workDescript = "设计更似一种艺术";
                break;
            case "teach":
                that.work = "教师";
                that.workDescript = "分享也是一种快乐";
                break;
            default:
                that.work = work;
                that.workDescript = "对不起，我们现在还不清楚你所选择的职位的相关描述。";
        }
    })(work, that);
};

// 更换期望的职位
Work.prototype.changeWork = function(work) {
    this.work = work;
};
// 添加对职位的描述
Work.prototype.changeDescript = function(setence) {
    this.workDescript = setence;
};

/**
 * 应聘者建造者
 * 参数 name: 姓名（全名）
 * 参数 work: 期望职位
 **/
var Person = function(name, work) {
    // 创建应聘者缓存对象
    var _person = new Human();
    // 创建应聘者姓名解析对象
    _person.name = new Named(name);
    // 将创建的应聘者期望职位
    _person.work = new Work(work);
    // 将创建的应聘者对象返回
    return _person;
};