package helper;

import base.DemoVo;
import com.yanzuoguang.util.helper.*;
import com.yanzuoguang.util.vo.ResponseResult;
import helper.vo.ResponseDataMainResult;
import org.junit.Test;

import java.io.File;
import java.lang.reflect.Method;
import java.util.List;

public class TestSfzUtil {

    public ResponseDataMainResult<List<DemoVo>, DemoVo> getReturnType() {
        return null;
    }

    @Test
    public void test() throws NoSuchMethodException {
        // 获取泛型的返回值类型
        String file = getFile("非法身份证.csv");
        String s = FileHelper.readFile(new File(file), "utf-8");
        String[] lines = s.split("\\n");
        for (String line : lines) {
            if (!SfzhUtil.validateCard(line)) {
                System.out.println(line);
            }
        }
    }


    private String getFile(String from) {
        // 注意，路径应为文件在工程中的相对路径
        File f = new File("src/test/java/helper/" + from);
        if (!f.exists()) {
            System.out.println(f.getAbsoluteFile());
            throw new RuntimeException("视频文件不存在");
        }
        return f.getAbsolutePath();
    }

    @Test
    public void testYzg() {

        validateIdCard18("430524198711048161");

        validateIdCard18("43052419871104817X");

        validateIdCard18("441424199203131841");

        validateIdCard18("44142419920313185X");
    }


    /**
     * 验证18位身份编码是否合法
     *
     * @param idCard 身份编码
     * @return 是否合法
     */
    public static boolean validateIdCard18(String idCard) {
        System.out.println("来源身份证:" + idCard);
        boolean bTrue = false;
        if (idCard.length() == 18) {
            // 前17位
            String code17 = idCard.substring(0, 17);
            System.out.println("前１７位:" + code17);
            // 第18位
            String code18 = idCard.substring(17, 18);
            System.out.println("第１８位" + code18);
            if (isNum(code17)) {
                char[] cArr = code17.toCharArray();
                System.out.println("转换成键盘的位置:" + JsonHelper.serialize(cArr));
                if (cArr != null) {
                    int[] iCard = converCharToInt(cArr);
                    System.out.println("转换成整形:" + JsonHelper.serialize(iCard));

                    int iSum17 = getPowerSum(iCard);
                    // 获取校验位
                    String val = getCheckCode18(iSum17);
                    if (val.length() > 0 && val.equalsIgnoreCase(code18)) {
                        bTrue = true;
                    }
                }
            }
        }
        return bTrue;
    }


    /**
     * 数字验证
     *
     * @param val
     * @return 提取的数字。
     */
    public static boolean isNum(String val) {
        return val == null || "".equals(val) ? false : val.matches("^[0-9]*$");
    }


    /**
     * 将字符数组转换成数字数组
     *
     * @param ca 字符数组
     * @return 数字数组
     */
    public static int[] converCharToInt(char[] ca) {
        int len = ca.length;
        int[] iArr = new int[len];
        try {
            for (int i = 0; i < len; i++) {
                iArr[i] = Integer.parseInt(String.valueOf(ca[i]));
            }
        } catch (NumberFormatException e) {
            e.printStackTrace();
        }
        return iArr;
    }


    /**
     * 将身份证的每位和对应位的加权因子相乘之后，再得到和值
     *
     * @param iArr
     * @return 身份证编码。
     */
    public static int getPowerSum(int[] iArr) {
        int iSum = 0;
        System.out.println("将前17位加上:" + JsonHelper.serialize(power));
        if (power.length == iArr.length) {
            for (int i = 0; i < iArr.length; i++) {
                int from = iSum;
                iSum = iSum + iArr[i] * power[i];
                System.out.println(String.format("%d位: %d = %d + %d * %d ", i, iSum, from, iArr[i], power[i]));
            }
        }

        return iSum;
    }


    /**
     * 将power和值与11取模获得余数进行校验码判断
     *
     * @param iSum
     * @return 校验位
     */
    public static String getCheckCode18(int iSum) {
        String sCode = "";
        switch (iSum % 11) {
            case 10:
                sCode = "2";
                break;
            case 9:
                sCode = "3";
                break;
            case 8:
                sCode = "4";
                break;
            case 7:
                sCode = "5";
                break;
            case 6:
                sCode = "6";
                break;
            case 5:
                sCode = "7";
                break;
            case 4:
                sCode = "8";
                break;
            case 3:
                sCode = "9";
                break;
            case 2:
                sCode = "X";
                break;
            case 1:
                sCode = "0";
                break;
            case 0:
                sCode = "1";
                break;
            default:
                sCode = "";
                break;
        }
        System.out.println(String.format("%d %% 11 = %d -> %s", iSum, iSum % 11, sCode));
        return sCode;
    }

    /**
     * 每位加权因子
     */
    public static final int power[] = {
            7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2
    };
}