// function ready(cb: Function) {
//   if (typeof my !== 'undefined') {
//     cb();
//   } else {
//     // h5
//     if (window.AlipayJSBridge) {
//       cb();
//     } else {
//       // 如果没有注入则监听注入的事件
//       document.addEventListener('AlipayJSBridgeReady', cb, false);
//     }
//   }
// }

import { getDebuggerSpaceCode } from './util';

function getResult(result, single = false) {
  const { spaceObjectList = [] } = result;
  if (spaceObjectList && spaceObjectList.length > 0) {
    // sigle开关取数组第一条数据
    if (single) {
      return spaceObjectList[0];
    } else {
      return result;
    }
  } else {
    return;
  }
}

interface sdkOption {
  type: string;
}

interface feedbackParams {
  spaceCode: string;
  objectId: string;
  behavior: string;
}

class SDK {
  /**
   * { type: 'h5'  }
   * @param options
   */
  constructor(options: sdkOption) {
    const type = options.type;
    this.options = options;
    if (options.type !== 'h5' && options.type !== 'mini-app' && options.type !== 'test') {
      throw new Error(`不支持的type ${type}类型`);
    }
  }
  options: sdkOption;
  get isMiniApp(): boolean {
    return this.options.type === 'mini-app';
  }
  fetch(info: object, single: boolean): object {
    return this.innerFetch(info).then(result => {
      return getResult(result, single);
    });
  }
  innerFetch(params: object): Promise<{}> {
    // 参数检查
    return new Promise((resolve, reject) => {
      // TODO: 处理reject状态
      if (this.isMiniApp) {
        my.call('getCdpSpaceInfo', params, function(res) {
          resolve(res);
        });
      } else if (this.options.type === 'h5') {
        AlipayJSBridge.call('getCdpSpaceInfo', params, function(result) {
          resolve(result);
        });
      } else {
        // 针对测试用例返回空的数据
        resolve({
          spaceObjectList: [],
        });
      }
    });
  }
  fetchDebugger(options): object {
    const { type, single } = options;
    const upperType = type && type.toUpperCase();
    let spaceCode = getDebuggerSpaceCode(upperType);

    return this.innerFetch({
      spaceCode,
    }).then(result => {
      return getResult(result, single);
    });
  }
  feedback(params: feedbackParams, callback): void {
    if (this.isMiniApp) {
      my.call('cdpFeedback', params, callback);
    } else if (this.options.type === 'h5') {
      AlipayJSBridge.call('cdpFeedback', params, callback);
    } else {
      // 针对测试用例返回空的数据
      callback && callback(params);
    }
  }
}

export default SDK;