//身份证号校验
const isCardID = sId => {
    if (!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(sId)) {
        return {
            data: "身份证号长度或格式有误",
            state: false
        };
    }
    //身份证城市
    var aCity = {
        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"
    };
    if (!aCity[parseInt(sId.substr(0, 2))]) {
        return {
            data: "身份证号地区有误",
            state: false
        };
    }

    // 出生日期验证
    var sBirthday = (
            sId.substr(6, 4) +
            "-" +
            Number(sId.substr(10, 2)) +
            "-" +
            Number(sId.substr(12, 2))
        ).replace(/-/g, "/"),
        d = new Date(sBirthday);
    if (
        sBirthday !=
        d.getFullYear() + "/" + (d.getMonth() + 1) + "/" + d.getDate()
    ) {
        return {
            data: "身份证号的出生日期有误",
            state: false
        };
    }

    // 身份证号码校验
    var sum = 0,
        weights = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2],
        codes = "10X98765432";
    for (var i = 0; i < sId.length - 1; i++) {
        sum += sId[i] * weights[i];
    }
    var last = codes[sum % 11]; //计算出来的最后一位身份证号码
    if (sId[sId.length - 1] != last) {
        return {
            data: "身份证号长度或格式有误",
            state: false
        };
    }
    return {
        data: "",
        state: true
    };
};

// 数据脱敏
const desensitization = function desensitization(string = "", start, end) {
    var star = "";
    function makeStar(number) {
        if (number > 0) {
            star += "*";
            return makeStar(--number);
        } else {
            return star;
        }
    }
    return (
        string.substring(0, start) +
        makeStar(end - start) +
        string.substring(end)
    );
};
// 手机号脱敏
const desensitizationPhone = phone => {
    return phone.substring(0, 3) + "****" + phone.substring(7);
};
// 身份证号脱敏
const desensitizationIdNumber = idNumber => {
    return idNumber.replace(/^(.{6})(?:\d+)(.{4})$/, "$1****$2");
};

//获得对应时间格式
const formatTime = (time, type) => {
    var date = new Date(time);
    var format = type || "YYYY-MM-DD HH:NN:SS";
    const year = date.getFullYear();
    const month =
        date.getMonth() + 1 < 10
            ? "0" + (date.getMonth() + 1)
            : date.getMonth() + 1;
    const day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
    const hour = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
    const minute =
        date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
    const second =
        date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
    format.indexOf("YYYY") > -1 ? (format = format.replace("YYYY", year)) : "";
    format.indexOf("MM") > -1 ? (format = format.replace("MM", month)) : "";
    format.indexOf("DD") > -1 ? (format = format.replace("DD", day)) : "";
    format.indexOf("HH") > -1 ? (format = format.replace("HH", hour)) : "";
    format.indexOf("NN") > -1 ? (format = format.replace("NN", minute)) : "";
    format.indexOf("SS") > -1 ? (format = format.replace("SS", second)) : "";
    return format;
};

//获取url参数组成json
const GetQueryJson = e => {
    if (e == "undefined") {
        return {};
    } else {
        let url = e; //获取url
        let arr = []; //存储参数的数
        let res = {}; //存储最终JSON结果对象
        arr = url.split("?")[1].split("&"); //获取浏览器地址栏中的参数
        for (let i = 0; i < arr.length; i++) {
            //遍历参数
            if (arr[i].indexOf("=") != -1) {
                //如果参数中有值
                let str = arr[i].split("=");
                res[str[0]] = str[1];
            } else {
                //如果参数中无值
                res[arr[i]] = "";
            }
        }
        return res;
    }
};
module.exports = {
    isCardID: isCardID,
    formatTime: formatTime,
    GetQueryJson: GetQueryJson,
    desensitizationIdNumber,
    desensitizationPhone,
    desensitization
};