import {
  Injectable,
  NestInterceptor,
  ExecutionContext,
  CallHandler,
  Logger,
} from '@nestjs/common';
import { Observable } from 'rxjs';
import { tap } from 'rxjs/operators';
import { Request } from 'express';
import { getMongoRepository } from 'typeorm';
// import { LogMongo } from '../../log/log.mongo';

function createGraphqlLog(request: Request, info, resolve_time: number) {
  setImmediate(async () => {
    try {
      // @ts-ignore
      const user = request.user;
      // const new_log = new LogMongo();
      // new_log.path_name = info.fieldName;
      // new_log.parent_type_name = info.parentType.name;
      // new_log.field_name = info.fieldName;
      // new_log.type = 'graphql';
      // new_log.ip = request.ip;
      // new_log.resolve_time = resolve_time;

      // new_log.content_length = request.headers['content-length'];
      // new_log.user_agent = request.headers['user-agent'];
      // new_log.sec_fetch_site = String(request.headers['sec-fetch-site']);
      // new_log.referer = request.headers.referer;
      // new_log.method = request.method;
      // if (user) {
      //   new_log.user_id = user.id;
      //   new_log.roles = user.roles;
      //   new_log.permissions = user.permissions;
      // }
      // if (request.body.query) {
      //   new_log.query = request.body.query;
      // }
      // await getMongoRepository(LogMongo, 'mongo').save(new_log);
      Logger.debug(`graphql ${info.fieldName} [${resolve_time} ms]`);
    } catch (e) {
      Logger.error(`http graphql 中间件错误 ${e.message}`);
    }
  });
}

function createApiLog(request: Request, resolve_time: number) {
  setImmediate(async () => {
    try {
      // @ts-ignore
      const user = request.user;
      // const new_log = new LogMongo();
      // new_log.path_name = request.originalUrl;
      // // new_log.parent_type_name = info.parentType.name;
      // // new_log.field_name = info.fieldName;
      // new_log.type = 'api';
      // new_log.ip = request.ip;
      // new_log.resolve_time = resolve_time;

      // new_log.content_length = request.headers['content-length'];
      // new_log.user_agent = request.headers['user-agent'];
      // new_log.sec_fetch_site = String(request.headers['sec-fetch-site']);
      // new_log.referer = request.headers.referer;
      // new_log.method = request.method;
      // if (user) {
      //   new_log.user_id = user.id;
      //   new_log.roles = user.roles;
      //   new_log.permissions = user.permissions;
      // }
      // if (request.body) {
      //   new_log.body = JSON.stringify(request.body);
      // }
      // if (request.query) {
      //   new_log.query = JSON.stringify(request.query);
      // }
      // if (request.params) {
      //   new_log.params = JSON.stringify(request.params);
      // }
      // await getMongoRepository(LogMongo, 'mongo').save(new_log);
      Logger.debug(`api ${request.url} [${resolve_time} ms]`);
    } catch (e) {
      Logger.error(`http api 中间件错误 ${e.message}`);
    }
  });
}

// 拦截所有的请求 并记录所有请求的时间

@Injectable()
export class LoggingInterceptor implements NestInterceptor {
  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
    const start = Date.now();
    return next.handle().pipe(
      tap(() => {
        const ctx = context.switchToHttp();
        const request = ctx.getRequest<Request>();
        const resolve_time = Date.now() - start;
        if (!request || request.url.startsWith('/graphql')) {
          // @ts-ignore
          const info = context.args[3];
          // @ts-ignore
          const old_request = context.args[2].request;
          createGraphqlLog(old_request, info, resolve_time);
        } else if (request) {
          createApiLog(request, resolve_time);
        }
      }),
    );
  }
}