package cn.novelweb.chart.controller;

import cn.novelweb.chart.dto.UsageRateDTO;
import cn.novelweb.tool.http.Result;
import cn.novelweb.util.system.SystemInfo;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.DecimalFormat;

/**
 * <p>各类图表接口</p>
 * <p>2020-04-24 16:47</p>
 *
 * @author Dan
 **/
@Slf4j
@RestController
@EnableSwagger2
@Api(tags = {"图表信息数据"})
@RequiresPermissions({"manager"})
@RequestMapping(value = "/chart", method = {RequestMethod.GET})
public class ChartController {

    @ApiOperation(value = "获取当前服务器信息(注:该接口请求速度可能略微大于其他接口)", notes = "参数:无参")
    @RequestMapping(value = "/system-info", produces = "application/json;charset=UTF-8")
    public Result<SystemInfo> getSystemInfo(HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("application/json;charset=UTF-8");
        // 获取系统数据信息
        return Result.ok(new SystemInfo());
    }

    @ApiOperation(value = "构建仪表盘相关信息(注:该接口请求速度可能略微大于其他接口)", notes = "参数:无参")
    @RequestMapping(value = "/usage-rate", produces = "application/json;charset=UTF-8")
    public Result<UsageRateDTO> getUsageRate(HttpServletRequest request, HttpServletResponse response) throws IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("application/json;charset=UTF-8");
        // 设置系统等待时间
        SystemInfo.OSHI_WAIT_SECOND = 2000;
        SystemInfo systemInfo = new SystemInfo();
        //设置数据
        double cpu = (100 - systemInfo.getCpuInfo().getFree());
        DecimalFormat format = new DecimalFormat("#.00");

        // 构建返回数据模型
        UsageRateDTO usageRateDTO = new UsageRateDTO();
        usageRateDTO.setCpu(Double.parseDouble(format.format(cpu)));
        usageRateDTO.setJvm(systemInfo.getJvmInfo().getUsage());
        usageRateDTO.setMem(systemInfo.getMemoryInfo().getUsage());
        return Result.ok(usageRateDTO);
    }
}