vatModule.service('cardValidationService', ['$log','$translate',
    function ($log, $translate) {
    var checkCard = function (card) {
        var result = {
            pass: true,
            message: ''
        };
            //是否为空  
            if (card==undefined||card==null||card=="") {
                result.message = $translate.instant('BuyerCodePlaceholder');
                result.pass = false;
                return result;
            }
            //校验长度,类型  
            if (!isCardNo(card)) {
                result.message = $translate.instant('LengthNotEqual')+" 18 or "+$translate.instant("CarIDTypeError");
                result.pass = false;
                return result;
            }
            //检查省份  
            if (!checkProvince(card)) {
                result.message = $translate.instant('CardCountryValidationError');
                result.pass = false;
                return result;
            }
            //校验生日  
            if (!checkBirthday(card)) {
                result.message = $translate.instant('CardDateValidationError');
                result.pass = false;
                return result;
            }
            //检验位的检测  
            if (!checkParity(card)) {
                result.message = $translate.instant('CardCheckCodeValidationError');
                result.pass = false;
                return result;
            }
           
            return result;
        };


        //检查号码是否符合规范,包括长度,类型  
       var isCardNo = function (card) {
            //身份证号码为15位或者18位,15位时全为数字,18位前17位为数字,最后一位是校验位,可能为数字或字符X  
           // var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
           var reg = /(^\d{17}(\d|X)$)/;
            if (reg.test(card) === false) {
                return false;
            }

            return true;
        };

        //取身份证前两位,校验省份  
       var checkProvince = function (card) {
            var province = card.substr(0, 2);
            if (constant.vcity[province] == undefined) {
                return false;
            }
            return true;
        };

        //检查生日是否正确  
       var checkBirthday = function (card) {
            var len = card.length;
            //身份证15位时,次序为省(3位)市(3位)年(2位)月(2位)日(2位)校验位(3位),皆为数字  
            if (len == '15') {
                var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
                var arr_data = card.match(re_fifteen);
                var year = arr_data[2];
                var month = arr_data[3];
                var day = arr_data[4];
                var birthday = new Date('19' + year + '/' + month + '/' + day);
                return verifyBirthday('19' + year, month, day, birthday);
            }
            //身份证18位时,次序为省(3位)市(3位)年(4位)月(2位)日(2位)校验位(4位),校验位末尾可能为X  
            if (len == '18') {
                var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
                var arr_data = card.match(re_eighteen);
                var year = arr_data[2];
                var month = arr_data[3];
                var day = arr_data[4];
                var birthday = new Date(year + '/' + month + '/' + day);
                return verifyBirthday(year, month, day, birthday);
            }
            return false;
        };

        //校验日期  
       var verifyBirthday = function (year, month, day, birthday) {
            var now = new Date();
            var now_year = now.getFullYear();
            //年月日是否合理  
            if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
                //判断年份的范围(3岁到100岁之间)  
                var time = now_year - year;
                if (time >= 3 && time <= 100) {
                    return true;
                }
                return false;
            }
            return false;
        };

        //校验位的检测  
       var checkParity = function (card) {
            //15位转18位  
            card = changeFivteenToEighteen(card);
            var len = card.length;
            if (len == '18') {
                var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
                var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
                var cardTemp = 0, i, valnum;
                for (i = 0; i < 17; i++) {
                    cardTemp += card.substr(i, 1) * arrInt[i];
                }
                valnum = arrCh[cardTemp % 11];
                if (valnum == card.substr(17, 1)) {
                    return true;
                }
                return false;
            }
            return false;
        };

        //15位转18位身份证号  
       var changeFivteenToEighteen = function (card) {
            if (card.length == '15') {
                var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
                var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
                var cardTemp = 0, i;
                card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);
                for (i = 0; i < 17; i++) {
                    cardTemp += card.substr(i, 1) * arrInt[i];
                }
                card += arrCh[cardTemp % 11];
                return card;
            }
            return card;
        };
        return {
            CardCheck: checkCard
        }
    }]);