/**
 * created by xiexy on 2017/8/29.
 */
var idcardnoutil = {
    provinceandcitys: {
        11: "北京",
        12: "天津",
        13: "河北",
        14: "山西",
        15: "内蒙古",
        21: "辽宁",
        22: "吉林",
        23: "黑龙江",
        31: "上海",
        32: "江苏",
        33: "浙江",
        34: "安徽",
        35: "福建",
        36: "江西",
        37: "山东",
        41: "河南",
        42: "湖北",
        43: "湖南",
        44: "广东",
        45: "广西",
        46: "海南",
        50: "重庆",
        51: "四川",
        52: "贵州",
        53: "云南",
        54: "西藏",
        61: "陕西",
        62: "甘肃",
        63: "青海",
        64: "宁夏",
        65: "新疆",
        71: "台湾",
        81: "香港",
        82: "澳门",
        91: "国外"
    },

    powers: ["7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2"],
    paritybit: ["1", "0", "x", "9", "8", "7", "6", "5", "4", "3", "2"],
    genders: {male: "男", female: "女"},

    checkaddresscode: function (addresscode) {
        var check = /^[1-9]\d{5}$/.test(addresscode);
        if (!check) return false;
        if (idcardnoutil.provinceandcitys[parseint(addresscode.substring(0, 2))]) {
            return true;
        } else {
            return false;
        }
    },
    checkbirthdaycode: function (birdaycode) {
        var check = /^[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))$/.test(birdaycode);
        if (!check) return false;
        var yyyy = parseint(birdaycode.substring(0, 4), 10);
        var mm = parseint(birdaycode.substring(4, 6), 10);
        var dd = parseint(birdaycode.substring(6), 10);
        var xdata = new date(yyyy, mm - 1, dd);
        if (xdata > new date()) {
            return false; //生日不能大于当前日期
        } else if ((xdata.getfullyear() == yyyy) && (xdata.getmonth() == mm - 1) && (xdata.getdate() == dd)) {
            return true;
        } else {
            return false;
        }
    },

    getparitybit: function (idcardno) {
        var id17 = idcardno.substring(0, 17);
        var power = 0;
        for (var i = 0; i < 17; i++) {
            power += parseint(id17.charat(i), 10) * parseint(idcardnoutil.powers[i]);
        }
        var mod = power % 11;
        return idcardnoutil.paritybit[mod];
    },

    checkparitybit: function (idcardno) {

        var paritybit = idcardno.charat(17).touppercase();
        if (idcardnoutil.getparitybit(idcardno) == paritybit) {
            return true;
        } else {
            return false;
        }
    },

    checkidcardno: function (idcardno) {

        //15位和18位身份证号码的基本校验
        var check = /^\d{15}|(\d{17}(\d|x|x))$/.test(idcardno);

        if (!check) return false;

        //判断长度为15位或18位
        if (idcardno.length == 15) {
            return idcardnoutil.check15idcardno(idcardno);
        } else if (idcardno.length == 18) {
            return idcardnoutil.check18idcardno(idcardno);
        } else {
            return false;
        }
    },

    //校验15位的身份证号码
    check15idcardno: function (idcardno) {
        //15位身份证号码的基本校验
        var check = /^[1-9]\d{7}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}$/.test(idcardno);
        if (!check) return false;
        //校验地址码
        var addresscode = idcardno.substring(0, 6);
        check = idcardnoutil.checkaddresscode(addresscode);
        if (!check) return false;
        var birdaycode = '19' + idcardno.substring(6, 12);
        //校验日期码
        return idcardnoutil.checkbirthdaycode(birdaycode);
    },

    //校验18位的身份证号码
    check18idcardno: function (idcardno) {
        //18位身份证号码的基本格式校验
        var check = /^[1-9]\d{5}[1-9]\d{3}((0[1-9])|(1[0-2]))((0[1-9])|([1-2][0-9])|(3[0-1]))\d{3}(\d|x|x)$/.test(idcardno);

        if (!check) return false;

        //校验地址码
        var addresscode = idcardno.substring(0, 6);
        check = idcardnoutil.checkaddresscode(addresscode);
        if (!check) return false;

        //校验日期码
        var birdaycode = idcardno.substring(6, 14);
        check = idcardnoutil.checkbirthdaycode(birdaycode);
        if (!check) return false;

        //验证校检码
        return idcardnoutil.checkparitybit(idcardno);
    },
    formatedatecn: function (day) {
        var yyyy = day.substring(0, 4);
        var mm = day.substring(4, 6);
        var dd = day.substring(6);
        return yyyy + '-' + mm + '-' + dd;
    },
    //获取信息
    getidcardinfo: function (idcardno) {
        var idcardinfo = {
            gender: "", //性别
            birthday: "" // 出生日期(yyyy-mm-dd)
        };
        if (idcardno.length == 15) {
            var aday = '19' + idcardno.substring(6, 12);

            idcardinfo.birthday = idcardnoutil.formatedatecn(aday);

            if (parseint(idcardno.charat(14)) % 2 == 0) {
                idcardinfo.gender = idcardnoutil.genders.female;
            } else {
                idcardinfo.gender = idcardnoutil.genders.male;
            }
        } else if (idcardno.length == 18) {
            var aday = idcardno.substring(6, 14);

            idcardinfo.birthday = idcardnoutil.formatedatecn(aday);

            if (parseint(idcardno.charat(16)) % 2 == 0) {
                idcardinfo.gender = idcardnoutil.genders.female;
            } else {
                idcardinfo.gender = idcardnoutil.genders.male;
            }
        }
        return idcardinfo;
    },

    getid15: function (idcardno) {
        if (idcardno.length == 15) {
            return idcardno;
        } else if (idcardno.length == 18) {
            return idcardno.substring(0, 6) + idcardno.substring(8, 17);
        } else {
            return null;
        }
    },

    getid18: function (idcardno) {
        if (idcardno.length == 15) {
            var id17 = idcardno.substring(0, 6) + '19' + idcardno.substring(6);
            var paritybit = idcardnoutil.getparitybit(id17);
            return id17 + paritybit;
        } else if (idcardno.length == 18) {
            return idcardno;
        } else {
            return null;
        }
    }
};