package com.qianwen.smartman.common.filter;

import com.alibaba.fastjson.JSONObject;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.stream.Stream;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.smartboot.license.client.LicenseException;
import com.qianwen.smartman.common.utils.LicenseUtil;
import com.qianwen.core.tool.api.R;
import com.qianwen.core.tool.api.ResultCode;
import org.springframework.boot.web.servlet.filter.OrderedFilter;
/**
 * 许可过滤器，检查许可是否有效
 */
public class LicenseFilter implements OrderedFilter {
    String[] pathExclude = {"/init/", "/blade-auth", "/blade-system/", "/param/detail"};

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    	
    	String servletPath = ((HttpServletRequest)request).getServletPath();
        if (Stream.<String>of(this.pathExclude).anyMatch(path -> (servletPath.indexOf(path) != -1))) {
          chain.doFilter(request, response);
        } else {
          try {
            //LicenseUtil.loadLicense("000000");
            chain.doFilter(request, response);
          } catch (LicenseException e) {
            writeLicenseFail((HttpServletResponse)response);
          } 
        } 
        
 
    }

    public void writeLicenseFail(HttpServletResponse response) {
        
        R<Object> licenseFail = R.fail(ResultCode.CLIENT_UN_AUTHORIZED, ResultCode.CLIENT_UN_AUTHORIZED.getMessage());
        response.setContentType("application/json;charset=utf8");
        response.setStatus(licenseFail.getCode());
        PrintWriter writer = null;
        try {
          writer = response.getWriter();
          writer.write(JSONObject.toJSONString(licenseFail));
        } catch (IOException e) {
          e.printStackTrace();
        } finally {
          if (writer != null)
            writer.close(); 
        } 
    }

    public int getOrder() {
        return -1000;
    }
}