package cc.mrbird.febs.pay.model;

import cc.mrbird.febs.common.utils.AppContants;
import cc.mrbird.febs.pay.util.RandomStringGenerator;
import cc.mrbird.febs.pay.util.Signature;

import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;

public class BrandWCPayRequestData {

    //每个字段具体的意思请查看API文档
    private String appId = "";
    private String timeStamp = "";
    private String nonceStr = "";
    private String prepay_id = "";
    private String signType = "";
    private String paySign = "";

    public BrandWCPayRequestData(String prepay_id, String appID, String paySecret){
        //默认必须设置
        setAppId(appID);
        //随机字符串，不长于32 位
        setNonceStr(RandomStringGenerator.getRandomStringByLength(32));
        setTimeStamp(Long.toString(System.currentTimeMillis() / 1000L));
        setPrepay_id("prepay_id="+prepay_id);
        //根据API给的签名规则进行签名 【 必须要放在本方法的最后】
        setSignType(AppContants.SIGN_MD5);
        String sign = Signature.getSign(toMap(),paySecret);
        setPaySign(sign);//把签名数据设置到Sign这个属性中
    }

    public String getAppId() {
        return appId;
    }


    public void setAppId(String appId) {
        this.appId = appId;
    }


    public String getTimeStamp() {
        return timeStamp;
    }


    public void setTimeStamp(String timeStamp) {
        this.timeStamp = timeStamp;
    }


    public String getNonceStr() {
        return nonceStr;
    }


    public void setNonceStr(String nonceStr) {
        this.nonceStr = nonceStr;
    }


    public String getPrepay_id() {
        return prepay_id;
    }


    public void setPrepay_id(String prepay_id) {
        this.prepay_id = prepay_id;
    }


    public String getSignType() {
        return signType;
    }


    public void setSignType(String signType) {
        this.signType = signType;
    }


    public String getPaySign() {
        return paySign;
    }


    public void setPaySign(String paySign) {
        this.paySign = paySign;
    }


    public Map<String,Object> toMap(){
        Map<String,Object> map = new HashMap<String, Object>();
        Field[] fields = this.getClass().getDeclaredFields();
        for (Field field : fields) {
            Object obj;
            try {
                obj = field.get(this);
                if(obj!=null){
                    if(field.getName().equals("prepay_id")){
                        map.put("package", obj);
                    }else{
                        map.put(field.getName(), obj);
                    }
                }
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }
        return map;
    }

}