/**
 * 该文件可自行根据业务逻辑进行调整
 */
import type { RequestClientOptions } from '@vben/request';

import { useAppConfig } from '@vben/hooks';
import { preferences } from '@vben/preferences';
import {
  authenticateResponseInterceptor,
  defaultResponseInterceptor,
  errorMessageResponseInterceptor,
  RequestClient,
} from '@vben/request';
import { useAccessStore } from '@vben/stores';

import { message, Modal } from 'ant-design-vue';
// eslint-disable-next-line n/no-extraneous-import
import { Base64 } from 'js-base64';

import {
  ENCRYPT_FIELDS,
  isSensitiveField,
  maskSensitiveField,
  TM_TEXT_SUFFIX,
} from '#/constants/sensitive-fields';
import { useAuthStore } from '#/store';

import { refreshTokenApi } from './core';
import {downloadByData} from "#/util/tool";

const { apiURL } = useAppConfig(import.meta.env, import.meta.env.PROD);

function createRequestClient(baseURL: string, options?: RequestClientOptions) {
  const client = new RequestClient({
    ...options,
    baseURL,
  });

  /**
   * 重新认证逻辑
   */
  /** 防重复：并发 401 只弹一次重新登录提示 */
  let authModalShowing = false;
  async function doReAuthenticate() {
    const accessStore = useAccessStore();
    const authStore = useAuthStore();
    accessStore.setAccessToken(null);
    if (
      preferences.app.loginExpiredMode === 'modal' &&
      accessStore.isAccessChecked
    ) {
      accessStore.setLoginExpired(true);
    } else {
      // 被踢/登录失效时用模态框提示，确认后再退出
      if (!authModalShowing) {
        authModalShowing = true;
        await new Promise<void>((resolve) => {
          Modal.warning({
            title: '登录失效',
            content: '账号需重新登录',
            okText: '重新登录',
            centered: true,
            onOk: () => resolve(),
            onCancel: () => resolve(),
          });
        });
        authModalShowing = false;
      }
      await authStore.logout(true);
    }
  }

  /**
   * 刷新token逻辑
   */
  async function doRefreshToken() {
    const accessStore = useAccessStore();
    const resp = await refreshTokenApi();
    const newToken = resp.data;
    accessStore.setAccessToken(newToken);
    return newToken;
  }

  function formatToken(token: null | string) {
    return token ? `Bearer ${token}` : null;
  }

  // 请求头处理
  client.addRequestInterceptor({
    fulfilled: async (config) => {
      const accessStore = useAccessStore();

      config.headers.Authorization = formatToken(accessStore.accessToken);
      config.headers['Accept-Language'] = preferences.app.locale;
      // 加密
      // eslint-disable-next-line eqeqeq
      if (config.data != null) {
        config.data = getRes(config.data, false);
      }
      // eslint-disable-next-line eqeqeq
      if (config.params != null) {
        config.params = getRes(config.params, false);
      }
      return config;
    },
  });

  // response数据解构
  client.addResponseInterceptor<HttpResponse>({
    fulfilled: (response) => {
      const { data: responseData, status } = response;

      // 这里吧 data 换成了 result
      const { code, result } = responseData;
      // 判断返回状态码
      if (status >= 200 && status <= 500) {
        switch (code) {
          case 0: {
            // 解密
            // eslint-disable-next-line eqeqeq
            if (result != null) {
              return getRes(result);
            }
            return result;
          }
          case 401: {
            response.status = 401;
            // 401 错误，需要重新登录
            authenticateResponseInterceptor({
              client,
              doReAuthenticate,
              doRefreshToken,
              enableRefreshToken: preferences.app.enableRefreshToken,
              formatToken,
            });
            break;
          }
          case 403:
          case 404:
          case 500: {
            throw Object.assign({}, response, { response });
          }
        }
      }
      if (response.data instanceof Blob) {
        return response;
      }

      throw Object.assign({}, response, { response });
    },
  });

  // token过期的处理
  client.addResponseInterceptor(
    authenticateResponseInterceptor({
      client,
      doReAuthenticate,
      doRefreshToken,
      enableRefreshToken: preferences.app.enableRefreshToken,
      formatToken,
    }),
  );

  // 通用的错误处理,如果没有进入上面的错误处理逻辑，就会进入这里
  client.addResponseInterceptor(
    errorMessageResponseInterceptor((msg: string, error) => {
      // 这里可以根据业务进行定制,你可以拿到 error 内的信息进行定制化处理，根据不同的 code 做不同的提示，而不是直接使用 message.error 提示 msg
      // 当前mock接口返回的错误字段是 error 或者 message
      const responseData = error?.response?.data ?? {};
      const errorMessage = responseData?.error ?? responseData?.message ?? '';
      // 如果没有错误信息，则会根据状态码进行提示
      message.error(errorMessage || msg);
    }),
  );

  return client;
}

export const requestClient = createRequestClient(apiURL, {
  responseReturn: 'result',
});

export const baseRequestClient = new RequestClient({ baseURL: apiURL });

/**
 * 加解密方法
 * @param obj
 * @param isDecode
 */
function getRes(obj: any, isDecode = true) {
  try {
    if (obj == null || typeof obj !== 'object') {
      return obj;
    }
    for (const key in obj) {
      // 跳过脱敏展示字段，避免重复处理
      if (key.endsWith(TM_TEXT_SUFFIX)) {
        continue;
      }
      if (Array.isArray(obj[key])) {
        obj[key] = getRes(obj[key], isDecode);
      } else if (obj[key] !== null && typeof obj[key] === 'object') {
        obj[key] = getRes(obj[key], isDecode);
      } else if (ENCRYPT_FIELDS.has(key)) {
        let plainValue = isDecode
          ? customBase64Decode(obj[key], key)
          : customBase64Encode(obj[key]);
        const isGarbled =
          // eslint-disable-next-line no-control-regex
          /[\u0000-\u0008\v\f\u000E-\u001F\u007F-\u00FF\u{E000}-\u{F8FF}]/u.test(
            plainValue,
          );
        if (isGarbled) {
          plainValue = obj[key];
        }
        obj[key] = plainValue;
        // 解密后写入脱敏展示字段，明文保留在原字段
        if (isDecode && isSensitiveField(key)) {
          obj[key + TM_TEXT_SUFFIX] = maskSensitiveField(key, plainValue);
        }
      }
    }
    return obj;
  } catch (error) {
    console.error('错误', error);
    return obj;
  }
}

/**
 * 解密
 * @param data
 * @param key
 */
function customBase64Decode(data: string, key = '') {
  // return data
  try {
    // 第一次Base64解码
    const decodedFirst = Base64.decode(data);
    // 截取从第30个字符开始往后的内容
    const subStr = decodedFirst.slice(30);
    // 第二次Base64解码
    const base64 = Base64.decode(subStr);
    return base64.length > 0 ? base64 : data;
  } catch (error) {
    console.error(
      `解码Base64字符串【${data}】时发生错误，KEY：【${key}】`,
      error,
    );
    return data;
  }
}

/**
 * 加密
 * @param data
 */
function customBase64Encode(data: string) {
  // eslint-disable-next-line eqeqeq
  if (data == null || data === '') return data;
  // return data
  try {
    // 和加密方法差不多但是是要生成30个随机字符
    let randomString = '';
    for (let i = 0; i < 30; i++) {
      const randomChar = String.fromCodePoint(
        Math.floor(Math.random() * (126 - 32 + 1)) + 32,
      );
      randomString += randomChar;
    }
    const encoded = Base64.encode(data);
    return Base64.encode(randomString + encoded);
  } catch (error) {
    console.error(`加密字符串【${data}】时发生错误`, error);
    return data;
  }
}