import axios from "axios";
import { useUserStore } from "@/store/user";

const API_URL = import.meta.env.VITE_API_URL;
const VIDEO_API_URL = import.meta.env.VITE_VIDEO_API_URL;

const plat_id = import.meta.env.VITE_VIDEO_PLAT_ID;
const channel_id = import.meta.env.VITE_VIDEO_CHANNEL_ID;
const user_id = import.meta.env.VITE_VIDEO_USER_ID;
const token = import.meta.env.VITE_VIDEO_TOKEN;

const api = axios.create({
  baseURL: API_URL,
  headers: { "Content-Type": "application/json" },
});

const videoApi = axios.create({
  baseURL: VIDEO_API_URL,
  headers: { "Content-Type": "multipart/form-data" },
});

// api请求拦截器
api.interceptors.request.use(
  (config) => {
    const userStore = useUserStore();
    if (userStore.token) {
      config.headers.Authorization = `Bearer ${userStore.token}`;
    }
    return config;
  },
  (error) => Promise.reject(error)
);

// api响应拦截器
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401) {
      const userStore = useUserStore();
      userStore.logout();
    }
    console.error("API Error:", error.response?.data || error);
    return Promise.reject(error.response?.data || error);
  }
);

// videoApi响应拦截器
videoApi.interceptors.response.use(
  (response) => response,
  (error) => {
    console.error("Video API Error:", error.response?.data || error);
    return Promise.reject(error.response?.data || error);
  }
);

// videoApi共用参数
function createVideoFormData(
  device: string,
  page_count = 1,
  page_size = 20,
  extraParams: Record<string, string> = {}
): FormData {
  const formData = new FormData();
  const commonParams: Record<string, string> = {
    plat_id,
    channel_id,
    user_id,
    app_type: "4",
    token,
    device,
    device_type: "3",
    page_count: String(page_count),
    page_size: String(page_size),
  };

  Object.entries({ ...commonParams, ...extraParams }).forEach(([k, v]) =>
    formData.append(k, v)
  );

  return formData;
}

// 统一视频请求
async function videoRequest(
  endpoint: string,
  formData: FormData
): Promise<any> {
  const res = await videoApi.post(endpoint, formData);
  return res.data;
}

/**
 * ===================== 用户相关接口 =====================
 */
export const login = async (name: string, password: string): Promise<any> => {
  const res = await api.post("/member/login", { name, password });
  return res.data;
};

export const register = async (
  name: string,
  password: string,
  email?: string,
  phone?: string,
  code?: string
): Promise<any> => {
  const res = await api.post("/member/register", {
    name,
    password,
    email: email || null,
    phone: phone || null,
    code: code || null,
  });
  return res.data;
};

export const profile = async (): Promise<any> => {
  const res = await api.get("/member/profile");
  return res.data;
};

export const newGuest = async (code?: string, ref?: string): Promise<any> => {
  const params: any = {};
  if (code) params.code = code;
  if (ref) params.ref = ref;

  const res = await api.get("/member/guest", { params });
  return res.data;
};

export const upgradeGuest = async (
  userId: number,
  name: string,
  password: string,
  email?: string,
  phone?: string
): Promise<any> => {
  const res = await api.post("/member/guestUpgrade", {
    userId,
    name,
    password,
    email: email || null,
    phone: phone || null,
  });
  return res.data;
};

// 会员购买
export const purchaseMember = async (
  userId: number,
  type: string
): Promise<any> => {
  const res = await api.post("/payment/vip/create", { userId, type });
  return res.data;
};

// 单片购买
export const purchaseSingle = async (
  userId: number,
  resourceId: string
): Promise<any> => {
  const res = await api.post("/payment/single/create", { userId, resourceId });
  return res.data;
};

// 用户支付订单查询
export const userQueryOrder = async (
  orderNo?: string,
  resourceId?: string
): Promise<any> => {
  const params = {
    orderNo: orderNo || undefined,
    resourceId: resourceId || undefined,
  };
  const res = await api.get(`/payment/user/query`, {
    params,
  });
  return res.data;
};

// 查询用户是否已购买特定单片资源
export const checkSinglePurchase = async (resourceId: string): Promise<any> => {
  const res = await api.get("/payment/single/query", {
    params: { resourceId },
  });
  return res.data;
};

// 获取用户的单片机购买记录列表（分页）
export const getSinglePurchaseList = async (
  page = 0,
  size = 20
): Promise<any> => {
  const res = await api.get("/payment/single/list", {
    params: { page, size },
  });
  return res.data;
};

// 获取价格配置
export const getPriceConfig = async (): Promise<any> => {
  const res = await api.get("/config/team/user");
  return res.data;
};

// 更新用户信息（用户名和邮箱）
export const updateProfile = async (
  name: string,
  email?: string
): Promise<any> => {
  const res = await api.put("/member/profile", {
    name,
    email: email || null,
  });
  return res.data;
};

// 重置密码
export const resetPassword = async (password: string): Promise<any> => {
  const res = await api.post("/member/reset-password", {
    password,
  });
  return res.data;
};

// 获取团队主题颜色
export const getTeamTheme = async (): Promise<{ themeColor: string }> => {
  const res = await api.get("/teams/my-theme");
  return res.data;
};

// 封禁当前用户
export const banUser = async (): Promise<any> => {
  const res = await api.post("/member/ban");
  return res.data;
};

// 检查IP是否被封禁
export const checkBanStatus = async (): Promise<{ ip: string; isBanned: boolean }> => {
  const res = await api.get("/member/check-ban");
  return res.data;
};

/**
 * ===================== 广告栏相关接口 =====================
 */

// 根据位置获取广告栏列表（公开接口）
export const getBannersByPosition = async (
  position: "top" | "middle" | "bottom"
): Promise<any[]> => {
  const res = await api.get(`/banners/position/${position}`);
  return res.data;
};

// 记录广告栏点击
export const recordBannerClick = async (bannerId: number): Promise<any> => {
  const res = await api.post(`/banners/${bannerId}/click`);
  return res.data;
};

/**
 * ===================== 视频相关接口 =====================
 */

// 视频关键字 查询接口
export const searchVideoByKeyword = async (
  device: string,
  keyword: string,
  page_count = 1,
  page_size = 20,
  resource_type?: "long" | "short",
  lang?: string
): Promise<any> => {
  const formData = createVideoFormData(device, page_count, page_size, {
    keyword,
    ...(resource_type && { resource_type }),
    ...(lang && { lang }),
  });
  return videoRequest(`/media/${plat_id}/keyword`, formData);
};

// 视频查询接口（支持标签分类和类型查询）
export const searchVideoByTags = async (
  device: string,
  page_count = 1,
  page_size = 20,
  tag?: string,
  resource_type?: "long" | "short",
  sort?: "view" | "like" | "time"
): Promise<any> => {
  const formData = createVideoFormData(device, page_count, page_size, {
    ...(tag && { tag }),
    ...(resource_type && { resource_type }),
    ...(sort && { sort }),
  });
  return videoRequest(`/media/${plat_id}/search`, formData);
};

// 视频详情接口
export const getVideoDetail = async (
  device: string,
  resource_id: string
): Promise<any> => {
  const formData = createVideoFormData(device, 1, 20, { resource_id });
  return videoRequest(`/media/${user_id}/movie/play`, formData);
};

// 视频顶部标签 查询接口 - 已废弃，现在使用固定的菜单数据
// export const getVideoMenu = async (
//   device: string,
//   type: "1" | "2",
//   page_count = 1,
//   page_size = 20
// ): Promise<any> => {
//   const formData = createVideoFormData(device, page_count, page_size, { type });
//   return videoRequest(`/media/${plat_id}/menu`, formData);
// };

// 点播集 查询接口
export const getVodList = async (
  device: string,
  hash: string,
  page_count = 1,
  page_size = 20
): Promise<any> => {
  const formData = createVideoFormData(device, page_count, page_size, { hash });
  return videoRequest(`/media/${plat_id}/menu/vods`, formData);
};

// ===================== 全局请求拦截器：移除 HLS 视频相关文件的 Range 请求头 =====================
let originalXHROpen: any = null;
let originalXHRSetRequestHeader: any = null;
let originalFetch: any = null;
let hlsInterceptorActive = false;

const shouldRemoveRangeHeader = (url: string): boolean => {
  if (!url) return false;

  if (/\.m3u8(\?|$)/i.test(url)) {
    return true;
  }

  if (
    /\/dx\d+/i.test(url) || // 匹配 dx002, dx003 等
    /\/[^\/]+\.ts(\?|$)/i.test(url) || // 匹配 .ts 分片文件
    /\/segment\d+/i.test(url) || // 匹配 segment1, segment2 等
    /\/chunk\d+/i.test(url)
  ) {
    return true;
  }

  return false;
};

/**
 * 设置全局拦截器以移除 HLS 视频相关文件的 Range 请求头
 */
const setupHLSInterceptor = (): void => {
  if (hlsInterceptorActive) return;

  originalXHROpen = XMLHttpRequest.prototype.open;
  originalXHRSetRequestHeader = XMLHttpRequest.prototype.setRequestHeader;
  originalFetch = window.fetch;

  XMLHttpRequest.prototype.open = function (
    method: string,
    url: string | URL,
    ...rest: any[]
  ) {
    (this as any)._url = url.toString();
    return originalXHROpen.apply(this, [method, url, ...rest]);
  };

  XMLHttpRequest.prototype.setRequestHeader = function (
    header: string,
    value: string
  ) {
    const url = (this as any)._url || "";
    if (shouldRemoveRangeHeader(url) && header.toLowerCase() === "range") {
      return;
    }
    return originalXHRSetRequestHeader.apply(this, [header, value]);
  };

  window.fetch = function (
    input: RequestInfo | URL,
    init?: RequestInit
  ): Promise<Response> {
    const url =
      typeof input === "string"
        ? input
        : input instanceof URL
        ? input.toString()
        : (input as Request).url;

    if (shouldRemoveRangeHeader(url)) {
      const modifiedInit = { ...init };
      if (modifiedInit.headers) {
        const headers = new Headers(modifiedInit.headers);
        headers.delete("Range");
        headers.delete("range");
        modifiedInit.headers = headers;
      } else {
        modifiedInit.headers = new Headers();
      }
      return originalFetch.apply(this, [input, modifiedInit]);
    }

    return originalFetch.apply(this, [input, init]);
  };

  hlsInterceptorActive = true;
  console.log("HLS Range Header Interceptor Activated");
};

if (typeof window !== "undefined") {
  setupHLSInterceptor();
}

export default api;