'use strict';
const _ = require('lodash');

const findUserByCode = async (ctx, code) => {
  const { code: qcode } = ctx.query;
  const http = ctx.service.util.httpUtil;
  const basePrefix = ctx.app.config.httpPrefix.base;
  const res = await http.cget(`${basePrefix}/personal`, { code: code ? code : qcode });
  if (res) return res;
};

const findOrgByCode = async ctx => {
  const { code } = ctx.query;
  const http = ctx.service.util.httpUtil;
  const basePrefix = ctx.app.config.httpPrefix.base;
  const adminRes = await http.cget(`${basePrefix}/admin`, { code });
  if (!adminRes) return [];
  const ids = [];
  for (const r of adminRes) {
    const pr = await http.cget(`${basePrefix}/admin`, { role: '2', pid: r._id });
    const list = pr.map(i => i.code);
    ids.push(...list);
  }
  return ids;
};

const role2Search = async (ctx, code) => {
  // target:查询和 code有关的平台用户
  const res = await findUserByCode(ctx, code);
  const user_ids = res.map(i => i._id);
  return user_ids;
};

const role1Search = async ctx => {
  // target:查询和code有关的平台用户 和 与code有关的机构用户下的平台用户
  let res = [];
  // p1: 查询平台用户
  const p1 = await role2Search(ctx);
  res.push(...p1);
  // p2:和code有关的机构用户下的平台用户
  const orgCodes = await findOrgByCode(ctx);
  for (const code of orgCodes) {
    console.log(code);
    const l = await role2Search(ctx, code);
    res.push(...l);
  }
  res = _.uniq(res);
  return res;
};

module.exports = options => {
  return async function patentQuery(ctx, next) {
    console.log('function in patentquery middleware');
    const query = ctx.query;
    const { code, role, user_id } = query;
    if (code && role) {
      let res;
      if (role === '1') res = await role1Search(ctx);
      else if (role === '2') res = await role2Search(ctx);
      delete ctx.query.code;
      delete ctx.query.role;
      ctx.query.user_id = { $elemMatch: { user_id: { $in: res } } };
    } else if (user_id) {
      ctx.query.user_id = { $elemMatch: { user_id: { $in: [ user_id ] } } };
    }
    console.log(ctx.query.user_id);
    await next();
  };
};