import debug from 'debug';
import _ from 'lodash';
const _d = debug('@developDebugger');

export type DebugModule_T = {
  // name
  name: string;
  // 调试端口
  port: number;
  // 是否打开html调试
  html: boolean;
  // 是否打开服务端调试
  server: boolean;
};

export class DebugSessionStorage {
  private _storKey = 'debugModules';

  public portMap = {} as { [k: number]: DebugModule_T };
  public debugModuleMap = {} as { [k: string]: DebugModule_T };

  constructor() {
    this._read();
    this._save();
  }
  private _makePortMap() {
    const map: any = {};
    _.forEach(this.debugModuleMap, (mod, name) => {
      map[mod.port] = mod;
    });
    this.portMap = map;
  }
  private _read() {
    try {
      const str = sessionStorage.getItem(this._storKey);
      if (_.isEmpty(str)) throw new Error('debugModuleMap empty');
      this.debugModuleMap = JSON.parse(str as string);
    } catch (e) {
      this.debugModuleMap = {};
      _d('sessionStorage.debugModules Invalid,reset to {}', e.message);
    }

    this._makePortMap();
  }
  private _save() {
    sessionStorage.setItem(this._storKey, JSON.stringify(this.debugModuleMap));
  }

  // setDebugModulePort(moduleName: string, localPort: number) {
  //   const debugModules = this._read();
  //   debugModules[moduleName] = { port: localPort, html: false, server: false };
  //   sessionStorage.setItem(this._storKey, JSON.stringify(debugModules));
  // }
  findDebugModuleByName(moduleName: string) {
    return this.debugModuleMap[moduleName];
  }
  findDebugModuleByPort(port: number) {
    return this.portMap[port];
  }
  // 切换指定组件为debug状态
  switchDebugByPort(port: number, modName: string, htmlOrServer: 'html' | 'server') {
    const list = [] as DebugModule_T[];
    let mod = this.portMap[port];
    if (_.isEmpty(mod)) {
      // 创建新的调试信息
      mod = { html: false, server: false, name: modName, port: port };
      this.debugModuleMap[modName] = mod;
    }
    if (htmlOrServer === 'html') {
      mod.html = !mod.html;
      // 关掉前台时，后台一起关闭
      if (!mod.html) {
        mod.server = false;
      }
    } else {
      mod.server = !mod.server;
      if (mod.server) {
        // 调试后台时，html必须打开
        mod.html = true;
      }
    }
    // 删除其他同名组件调试信息
    _.forEach(this.debugModuleMap, (mod, name) => {
      if (mod.port !== port && name === modName) {
        delete this.debugModuleMap[name];
      }
    });
    this._makePortMap();
    this._save();
  }
}

export default new DebugSessionStorage();