/**	使用方法
 * 
 * 在页面引入该js
 * import ev from @/jsFile/check-tool/check-tool.js;
 * 
 * 使用：
 * console.log(ev.isPhone('1736692108'));//false
 */

// 大陆手机号判断
const isPhone = (val)=>{
    return /^1[3456789]\d{9}$/.test(val);
};

/*
* 全中文校验
* */
function ChineseWordValid (val) {
    return /^[\u4E00-\u9FA5]+$/.test(val);
}

// 英文和数字校验
function wordNumValid(val) {
    return /^[0-9A-Za-z]+$/.test(val);
}

// emoji表情校验
function emojiValid(val) {
    const regStr = /[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF][\u200D|\uFE0F]|[\uD83C|\uD83D|\uD83E][\uDC00-\uDFFF]|[0-9|*|#]\uFE0F\u20E3|[0-9|#]\u20E3|[\u203C-\u3299]\uFE0F\u200D|[\u203C-\u3299]\uFE0F|[\u2122-\u2B55]|\u303D|[\A9|\AE]\u3030|\uA9|\uAE|\u3030/ig;
    return (regStr.test(val))
}

// 邮箱校验
function emailValid (val) {
    return /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/.test(val);
}

/*
* 大陆身份证校验
* */
const IdentityCodeValid = function (code) {
    let city = {
        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 "
    };
    let tip = '';
    let pass = true;

    if(!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/i.test(code)){
        tip = "身份证号格式错误";
        pass = false
    } else if(!city[code.substr(0,2)]){
        tip = "地址编码错误";
        pass = false
    } else{
        // 18位身份证需要验证最后一位校验位
        if(code.length == 18){
            code = code.split('')
            // ∑(ai×Wi)(mod 11)
            // 加权因子
            let factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ]
            // 校验位
            let parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ]
            let sum = 0
            let ai = 0
            let wi = 0
            for (let i = 0; i < 17; i++)
            {
                ai = code[i]
                wi = factor[i]
                sum += ai * wi
            }
            let last = parity[sum % 11];
            if(parity[sum % 11] != code[17]){
                tip = "校验位错误"
                pass = false;
            }
        }
    }
    return pass;
};

export default {
    isPhone, ChineseWordValid, wordNumValid, emojiValid, emailValid, IdentityCodeValid
}