import koa from "koa";
import stati from "koa-static";
import path from "path";
import views from "koa-views";

/**
 * 配置所有koa2的中间件
 */
export class init {
  protected koa2:any = new koa();
  private PluginsArray: Function[];
  constructor () {
    this.initPlugins();
  }

  private initPlugins(): any {
    this.PluginsArray = [
      views(path.join( __dirname, "../resource/view"),{
        map: {
          jade: 'jade'
        },
        extension: 'jade'
      }),
      stati(path.join( __dirname, "../resource/static") ,{
        maxage: 3000
      })
    ];

    try {
      this.PluginsArray.forEach( v => this.koa2.use(v));
    } catch (e) {
      throw new Error(`配置插件出错：${e.message}`)
    }

  }
}