import axios from "axios";
import { Message, Loading } from "element-ui";
import { debounce } from "lodash-es";
import store from "../store/index";
import { getToken } from "./getToken.js";
import { toLoginPage, toResetPwdPage } from "./logout";

let axiosBaseURL;
let axiosTimeout;
let workflowLoginURL;
if (import.meta.env.PROD) {
  //生产环境
  const ProjectConfig = window.ProjectConfig;
  
  axiosBaseURL = ProjectConfig.axiosBaseURL;
  axiosTimeout = ProjectConfig.axiosTimeout;
  workflowLoginURL = ProjectConfig.workflowLoginURL;
} else {
  //非生产环境
  axiosBaseURL = "/api";
  axiosTimeout = 1000 * 30;
  workflowLoginURL = "http://workflow-newapi.probim.cn/api/User/Home/Login";
}

export const http = axios.create({
  withCredentials: false,
  baseURL: axiosBaseURL,
  timeout: axiosTimeout
});

//loading对象
let loadingInstance;

//当前正在请求的数量
let needLoadingRequestCount = 0;

//显示loading
function showLoading(target) {
  // 后面这个判断很重要，因为关闭时加了抖动，此时loading对象可能还存在，
  // 但needLoadingRequestCount已经变成0.避免这种情况下会重新创建个loading
  if (needLoadingRequestCount === 0 && !loadingInstance) {
    loadingInstance = Loading.service({
      target: target || "body",
      fullscreen: false,
      lock: true,
      text: "Loading...",
      // spinner: "",
      // background: "",
      // customClass: "",
    });
  }
  needLoadingRequestCount++;
}

//隐藏loading
function hideLoading() {
  needLoadingRequestCount--;
  needLoadingRequestCount = Math.max(needLoadingRequestCount, 0); //做个保护
  if (needLoadingRequestCount === 0) {
    //关闭loading
    toHideLoading();
  }
}

//防抖：将 300ms 间隔内的关闭 loading 便合并为一次。防止连续请求时， loading闪烁的问题。
const toHideLoading = debounce(() => {
  loadingInstance?.close();
  loadingInstance = null;
}, 300);


//处理响应的结果，返回统一结构
function handleTheResponse(response) {
  console.log(`axios包装过的响应${response.config.url}`, response);
  if (response.config.showLoading === true) {
    hideLoading();
  }
  // {
  //     // `data` 由服务器提供的响应
  //     data: {},
  //     // `status` 来自服务器响应的 HTTP 状态码
  //     status: 200,
  //     // `statusText` 来自服务器响应的 HTTP 状态信息
  //     statusText: 'OK',
  //     // `headers` 是服务器响应头
  //     // 所有的 header 名称都是小写，而且可以使用方括号语法访问
  //     // 例如: `response.headers['content-type']`
  //     headers: {},
  //     // `config` 是 `axios` 请求的配置信息
  //     config: {},
  //     // `request` 是生成此响应的请求
  //     // 在node.js中它是最后一个ClientRequest实例 (in redirects)，
  //     // 在浏览器中则是 XMLHttpRequest 实例
  //     request: {}
  //   }

  let responseData = response.data;
  if (response.status === 200) {
    if (responseData?.code === 40001) {
      toLoginPage();
      return;
    }
    if(responseData?.code === 40002) {
      toResetPwdPage();
      return;
    }
    const targetUrl = response.config.url.toLowerCase();
    if (/^\s*$/g.test("" + responseData)) {
      responseData = {
        code: 1,
        message: "无响应数据",
        data: null,
      };
    } else if (targetUrl === "https://bnah-web-api.biaddti.com/api/video/video/getvideo") {
      //摄像头视频
      responseData = {
        code: responseData?.Ret === 1 ? 0 : 1,
        message: responseData?.Msg ?? "服务异常",
        data: responseData?.Data ?? null,
      };
    } else if (targetUrl.startsWith(workflowLoginURL.toLowerCase())) {
      //协同登录，响应结构不一样，需要单独处理
      responseData = {
        code: responseData?.Ret === 1 ? 0 : 1,
        message: responseData?.Msg ?? "协同登录服务异常",
        data: responseData?.Data ?? null,
      };
    } else if (targetUrl.startsWith("https://api.help.bj.cn/apis/weather")) {
      //   {
      //     "status": "0",       //反馈代码 0成功
      //     "msg": "反馈信息",      //反馈信息
      //     "cityen": "changchun",       //城市名称英文
      //     "city": "长春",       //城市名称
      //     "citycode": "101060101",       //城市编码
      //     "temp": "10",       //实时温度
      //     "tempf": "50",       //华氏温度
      //     "wd": "西风",       //风向
      //     "wden": "W",       //风向英文
      //     "wdforce": "3级",       //风力
      //     "wdspd": "<12km/h",       //风速
      //     "uptime": "12:00",       //更新时间
      //     "weather": "晴",       //天气状况
      //     "weatheren": "Sunny",       //天气状况英文
      //     "weatherimg": "d00",       //天气状况图标
      //     "stp": "994",       //气压
      //     "wisib": "35000",       //能见度
      //     "humidity": "46%",       //湿度
      //     "prcp": "0",       //降雨
      //     "prcp24h": "2.2",       //24小时降雨量
      //     "aqi": "22",       //AQI
      //     "pm25": "20",       //PM2.5
      //     "today": "10月17日(星期一)"      //今天日期
      // }
      //网上找的天气信息接口,由服务端代理,响应结构不一样,需要单独处理
      if (responseData?.status === "0") {
        responseData = {
          code: 0,
          message: null,
          data: responseData,
        };
      } else {
        responseData = {
          code: 1,
          message: "天气服务异常",
          data: null,
        };
      }
    }
  } else {
    return {
      code: 1,
      message: responseData?.message ?? "服务异常",
      data: responseData,
    };
  }
  if (!responseData || responseData.code !== 0) {
    Message.error({ message: responseData?.message ?? "服务异常", duration: 1000 * 3 });
  }
  return responseData;
}

//处理错误，返回统一结构
function handleTheError(error) {
  console.log(`axios包装过的错误${error.config.url}`, error);
  if (error.config?.showLoading === true) {
    hideLoading();
  }
  const responseData = { code: -999, data: null };
  if (error.response) {
    const { data, status, statusText } = error.response;
    if (status === 500 && /^\s*$/gi.test(data + "")) {
      responseData.message = "服务异常,无响应数据";
    } else {
      responseData.data = data;
      responseData.message = `${statusText ?? "服务异常,请稍后再试"}`;
    }
  } else if (error.request) {
    responseData.message = "未收到服务端响应,请稍后再试";
  } else {
    responseData.message = "未发送请求,请检查请求参数是否正确";
  }
  Message.error({ message: responseData.message, duration: 1000 * 3 });
  return responseData;
}

//添加请求拦截器
http.interceptors.request.use(
  (config) => {
    if (config.showLoading === true) {
      showLoading(config.loadingTarget);
    }
    if (config.withProjectId !== false) {
      config.headers["projectId"] = store.getters["common/currentProjectId"];
    }
    if (config.withToken !== false) {
      config.headers["token"] = getToken();
    }
    return config;
  },
  (error) => {
    // console.log("request-error", error);
    //todo 封装成固定结构 {code,data,message}
    return handleTheError(error);
  },
);

//响应拦截器
http.interceptors.response.use(
  (response) => {
    //todo 封装成固定结构 {code,data,message}
    return handleTheResponse(response);
  },
  (error) => {
    //todo 封装成固定结构 {code,data,message}
    return handleTheError(error);
  },
);
// 引擎接口
let modelaxiosUrl
const ProjectConfig = window.ProjectConfig;

modelaxiosUrl = ProjectConfig.modelUrl;
export const modelhttp = axios.create({
  withCredentials: false,
  baseURL: modelaxiosUrl,
  timeout: axiosTimeout
});

//添加请求拦截器
modelhttp.interceptors.request.use(
  (config) => {
    if (config.showLoading === true) {
      showLoading(config.loadingTarget);
    }
    if (config.withProjectId !== false) {
      config.headers["projectId"] = store.getters["common/currentProjectId"];
    }
    if (config.withToken !== false) {
      config.headers["token"] = getToken();
    }
    return config;
  },
  (error) => {
    // console.log("request-error", error);
    //todo 封装成固定结构 {code,data,message}
    return handleTheError(error);
  },
);

//响应拦截器
modelhttp.interceptors.response.use(
  (response) => {
    //todo 封装成固定结构 {code,data,message}
    return handleTheResponse(response);
  },
  (error) => {
    //todo 封装成固定结构 {code,data,message}
    return handleTheError(error);
  },
);