//身份证号合法性校验
var idCardNoUtil = {
	/*省,直辖市代码表*/
	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"
	},

	/*每位加权因子*/
	powers: ["7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2"],

	/*第18位校检码*/
	parityBit: ["1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"],

	/*性别*/
	genders: {
		male: "男",
		female: "女"
	},

	/*校验地址码*/
	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;
		}
	},

	/*校验日期码*/
	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;
		}
	},

	/*计算校检码*/
	getParityBit: function(idCardNo) {
		var id17 = idCardNo.substring(0, 17);
		/*加权 */
		var power = 0;
		for (var i = 0; i < 17; i++) {
			power += parseInt(id17.charAt(i), 10) * parseInt(idCardNoUtil.powers[i]);
		}
		/*取模*/
		var mod = power % 11;
		return idCardNoUtil.parityBit[mod];
	},

	/*验证校检码*/
	checkParityBit: function(idCardNo) {
		var parityBit = idCardNo.charAt(17).toUpperCase();
		if (idCardNoUtil.getParityBit(idCardNo) == parityBit) {
			return true;
		} else {
			return false;
		}
	},

	/*校验15位或18位的身份证号码*/
	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);
	},

    // 日期格式化
	formateDateCN: function(day) {
		var yyyy = day.substring(0, 4);
		var mm = day.substring(4, 6);
		var dd = day.substring(6);
		// return yyyy + '-' + mm + '-' + dd;
		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;
	},

	/*18位转15位*/
	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;
		}
	},

	/*15位转18位*/
	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;
		}
	}
};


export default idCardNoUtil;