import baseRequest from "./baseRequest";
import { get } from "./storeInfo";
import {  Toast } from "antd-mobile";
// import { useRouter } from "next/navigation";
// import webviewBaseRequest from "@/utils/webviewBaseRequest";

// 创建一个封装 fetch 的函数
export default function customFetch(method, url, options = {}, needMid) {
  const controller = new AbortController();
  const signal = controller.signal;

  // 设置超时
  const timeout = setTimeout(() => {
    controller.abort("Request timed out");
  }, 5000);
  const base = baseRequest();
  // 默认选项
  const defaultOptions = {
    method: method,
    signal,
    headers: {
      "Content-Type": "application/json",
      "X-Req-Source-TF": "wittgenstein",
      ...options?.headers,
      // 可以添加其他默认头部信息
    },
    // 可以添加其他默认选项
  };
  let newBody = { ...options?.body };
  if (needMid) {
    let mid = get("account")?.mid;
    if (!mid) return;
    newBody.mid = mid;
  }
  const body = JSON.stringify({ ...base, ...newBody });

  // 合并选项
  const mergedOptions = { ...defaultOptions, body };
  // console.log("body", body);
  // 返回 Promise 对象
  return new Promise((resolve, reject) => {
    fetch(url, mergedOptions)
      .then((response) => {
        clearTimeout(timeout);
        // // 检查响应状态码
        if (!response.ok) {
          throw new Error("Network response was not ok " + response.statusText);
        }

        // const contentLength = response.headers.get("Content-Length");
        // if (!contentLength) {
        //   throw new Error("Content-Length is null");
        // }

        // const total = parseInt(contentLength, 10);
        // let loaded = 0;
        const reader = response.body.getReader();
        const stream = new ReadableStream({
          start(controller) {
            function push() {
              reader.read().then(({ done, value }) => {
                if (done) {
                  controller.close();
                  return;
                }
                // loaded += value.byteLength;
                // const progress = (loaded / total) * 100;
                // console.log(`Progress: ${progress.toFixed(2)}%`);
                controller.enqueue(value);
                push();
              }).catch((error) => {
                controller.error(error);
              })
            };
            push();
          },
        });
        const newResponse = new Response(stream);
        return newResponse.json();
        // 解析 JSON 响应
        // return response.json();
      })
      .then((data) => {
        // 解析成功，返回数据
        resolve(data);
      })
      .catch((error) => {
        if (error.name === "AbortError") {
          // console.log("Fetch request timed out.");
          Toast.show({
            icon: "fail",
            content: "请求超时，请检查网络后重试。",
            position: "top",
          });
          // 这里可以实现重试逻辑
          // fetchDataWithRetry();
        } else {
          console.error("Fetch error:", error);
        }
        // console.log("error", error);
        // Toast.show({
        //   icon: "fail",
        //   content: error.toString(),
        //   position: "top",
        // });
        // 请求失败，拒绝 Promise
        reject(error);
      });
  });
}