package com.sunyard;

import com.sunyard.proto.Util;

/**
 * Created by Cheney on 2017/8/3.
 */
public class SydApiException extends RuntimeException{
    private int retCode;
    private String msg;

    public int getRetCode() {
        return retCode;
    }

    private static String transMsg(int code){
        String msg  = "未定义的错误";
        switch (code){
            case -1:
            case -2:
            case -3:
                msg = "网络错误";
                break;
            case -4:
                msg = "返回包的序列号有误";
                break;
            case -5:
                msg = "返回包的命令码有误";
                break;
            case -6:
                msg = "输出缓冲区预留太小";
                break;
            case -25:
                msg = "输入的 HASH 值长度应该为 32 个字节";
                break;
            case -26:
                msg = "用户标识超长(应该<=16) ";
                break;
            case -27:
                msg = "数据类型不合法 ";
                break;
            case 33:
                msg = "检索的数据或密钥不存在";
                break;
            case 4:
                msg = "DER 编码格式错误(公钥) ";
                break;
            case 21:
                msg = "输入的数据格式错误 ";
                break;
            case 19:
                msg = "数据解密错(C3) ";
                break;
            case 2:
                msg = "签名验证错误 ";
                break;
            case 129:
                msg = "没有该指令";
                break;

            case 0x8006 : {
                msg = "输入的数据格式错误";
                break;
            }

            case 32770:
                msg = "签名验证错误(P7) ";
                break;

            case 32773:
                msg = "证书不可信";
                break;

            case 32884:
                msg = "证书或签名数据的格式错";
                break;

            case 36868:
                msg = "DN 所指向的实体不存在";
                break;

            case 40000:
                msg = "输入的大数据处理异常";
                break;

            case 56300:
                msg = "证书导入错误";
                break;

            case 56307:
                msg = "证书删除错误";
				break;

            case 0xC101 :
                msg = "证书识别异常";
                break;
            default:
                msg = "未定义的错误";
        }
        return msg;
    }

    public void transMsg(){
        this.msg = transMsg( this.retCode );
    }

    public SydApiException(int retCode) {
        super("SydApiException(" + "code = "+String.format("%04x", retCode) + ")" );
        this.retCode = retCode;
        transMsg();
    }

    public SydApiException(int retCode, Exception e) {
        super("SydApiException(" + "code = "+String.format("%04x", retCode) + ")" , e);
        this.retCode = retCode;
        transMsg();
    }


    public SydApiException(String msg, int retCode){
        super("SydApiException(" + String.format(" %04X", retCode) + ":" + ( null == msg ? transMsg(retCode) : msg ) + ")" );
        this.retCode = retCode;
        if (null == msg || "".equals(msg)){
            transMsg();
        }else {
            this.msg = msg;
        }
    }

    public SydApiException(String msg, int ret, Throwable e) {
        super("SydApiException(code =" + String.format(" %04x", ret) + " : " + "msg =" + (msg == null ? "未定义的错误" : msg) + ")", e);
        this.retCode = ret;
        if (msg != null && !"".equals(msg)) {
            this.msg = msg;
        } else {
            this.transMsg();
        }

    }

    public static SydApiException fromBin( byte[] b , String msg){
        int code = null != b && b[0] >= 48 && b[0] <= 57 ? Util.a2i( b , 10) : Util.b2i( b );
        return new SydApiException(msg, code);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(SydApiException.class.getName());
        sb.append(" : ");
        sb.append("code = ");
        sb.append(this.retCode);
        sb.append(" ( 0x");
        sb.append(Integer.toHexString(this.retCode));
        sb.append(" ) ");
        sb.append(" msg = ");
        sb.append(msg);
        return sb.toString();
    }
}