// 地区码对照表
const cityCodes = {
    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"
};

// 加权因子
const factor = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];
// 校验位对应值
const parity = [1,0,'X',9,8,7,6,5,4,3,2];

function validateIDCard(id) {
    // 基础格式校验
    if(!/^\d{17}[\dXx]$/.test(id)) return false;

    // 校验地区码
    if(!cityCodes[id.substr(0,2)]) return false;

    // 校验生日
    const birthDate = id.substr(6,8);
    const year = birthDate.substr(0,4);
    const month = birthDate.substr(4,2);
    const day = birthDate.substr(6,2);
    const date = new Date(year, month-1, day);
    if(date.getFullYear() != year ||
        (date.getMonth()+1) != month ||
        date.getDate() != day) {
        return false;
    }

    // 校验码校验
    let sum = 0;
    for(let i=0; i<17; i++) {
        sum += parseInt(id.charAt(i)) * factor[i];
    }
    const lastChar = id.charAt(17).toUpperCase();
    return parity[sum%11] == lastChar;
}


/***************校验手机号***************/
function validatePhone(phone) {
    return /^(?:(?:\+|00)86)?1(?:3[\d]|4[5-79]|5[0-35-9]|6[5-7]|7[0-8]|8[\d]|9[189])\d{8}$/.test(phone);
}

/***************校验出生日期与身份证号是否一致***************/
function getBirthFromID(id) {
    if(id.length === 18) {
        return id.substr(6,4) + '-' + id.substr(10,2) + '-' + id.substr(12,2);
    } else if(id.length === 15) {
        return '19' + id.substr(6,2) + '-' + id.substr(8,2) + '-' + id.substr(10,2);
    }
    return null;
}
function validateDate(dateStr) {
    const date = new Date(dateStr.replace(/-/g, '/'));
    return !isNaN(date.getTime());
}
function checkBirthMatch(idCard, inputDate) {
    const idBirth = getBirthFromID(idCard);   console.log("idBirth="+idBirth) ;
    if(!idBirth || !validateDate(idBirth)) return false;

    // 标准化日期格式比较
    /*const formatDate = (d) => new Date(d).toISOString().split('T');

    console.log("idBirth1="+formatDate(idBirth)) ;
    console.log("idBirth2="+formatDate(inputDate)) ;
    return formatDate(idBirth) === formatDate(inputDate);*/
    return idBirth === inputDate;
}

/*********************校验车牌************************/
function validatePlate(plateNumber) {
    const regularPlate = /^[\u4e00-\u9fa5][A-NP-Z][A-NP-Z0-9]{5}$/;     //普通车牌
    const newEnergyPlate = /^[\u4e00-\u9fa5][A-NP-Z]D[A-NP-Z0-9]{6}$/;  //新能源车牌

    return regularPlate.test(plateNumber) ||  newEnergyPlate.test(plateNumber);
}