const cache = Object.create(null);
{{#if (not type "typescript")}}
/**
 *
 * @param {(string|symbol)[]} array
 * @param {{#raw "{ " }}{{/raw}}{{>type/alovaType}}{{#raw " }" }}{{/raw}} alovaInstance
 * @param {any} configMap
 * @returns {()=>void}
 */
{{/if}}
const createFunctionalProxy = ({{#if (eq type "typescript")}}
  array: (string | symbol)[],
  alovaInstance: {{>type/alovaType}},
  configMap: any
{{else}}array, alovaInstance, configMap{{/if}}) => {
  const apiPathKey = array.join('.'){{#if (eq type "typescript")}} as keyof typeof apiDefinitions{{/if}};
  if (cache[apiPathKey]) {
    return cache[apiPathKey];
  }
  // create a new proxy instance
  const proxy = new Proxy(function () {}, {
    get(_, property) {
      // record the target property, so that it can get the completed accessing paths
      const newArray = [...array, property];
      // always return a new proxy to continue recording accessing paths.
      return createFunctionalProxy(newArray, alovaInstance, configMap);
    },
    apply(_, __, [config]) {
      const apiItem = apiDefinitions[apiPathKey];
      if (!apiItem) {
        throw new Error(`the api path of \`${apiPathKey}\` is not found`);
      }
      const mergedConfig = {
        ...configMap[apiPathKey],
        ...config
      };
      const [method, url] = apiItem;
      const pathParams = mergedConfig.pathParams;
      const urlReplaced = url{{#if (eq type "typescript")}}!{{/if}}.replace(/\{([^}]+)\}/g, (_, key) => {
        const pathParam = pathParams[key];
        return pathParam;
      });
      delete mergedConfig.pathParams;
      let data = mergedConfig.data;
      if (Object.prototype.toString.call(data) === '[object Object]' && typeof FormData !== 'undefined') {
        let hasBlobData = false;
        const formData = new FormData();
        for (const key in data) {
          if(Array.isArray(data[key])){
            for (const ele of data[key]) {
              formData.append(key, ele);
              if (ele instanceof Blob) {
                hasBlobData = true;
              }
            }
          } else {
            formData.append(key, data[key]);
            if (data[key] instanceof Blob) {
              hasBlobData = true;
            }
          }
        }
        data = hasBlobData ? formData : data;
      }
      return new Method(method{{#if (eq type "typescript")}}!{{/if}}.toUpperCase(){{#if (eq type "typescript")}} as MethodType{{/if}}, alovaInstance, urlReplaced, mergedConfig, data);
    }
  });
  cache[apiPathKey] = proxy;
  return proxy;
};