import express from "express";
import connection from "../db.js";

const router = express.Router();

router.get("/gettopten", async (req, res) => {
  let from = "2020-01-01";
  let to = "2029-01-01";
  let filterBy = "user";
  if (req.query.from) from = req.query.from;
  if (req.query.to) to = req.query.to;
  if (req.query.filterBy) filterBy = req.query.filterBy;
  let results, fields;
  let filterBySql = filterBy === "user" ? "t.user" : "t.project";
  try {
    [results, fields] = await connection.query(
      "SELECT t.user,t.date,t.project,u.f_name,u.l_name,p.name,SUM(t.time) as total_time \
    FROM Timelog t \
    INNER JOIN Project p ON p.id=t.project \
    INNER JOIN User u ON u.id=t.user \
    WHERE t.date BETWEEN ? AND ? \
    GROUP BY ?? \
    ORDER BY total_time DESC\
    LIMIT 10;",
      [from, to, filterBySql],
    );
  } catch (err) {
    console.log(err);
    res.status(400).json({ message: "Error" });
  }
  // how much time each user has logged during that time period
  // let items = {};
  // let itemIdtoName = {};
  // for (let i = 0; i < results.length; i++) {
  //   if (results[i][filterBy] in items) {
  //     items[results[i][filterBy]] += results[i].time;
  //   } else {
  //     items[results[i][filterBy]] = results[i].time;
  //     if (filterBy === "user")
  //       itemIdtoName[results[i][filterBy]] =
  //         results[i].f_name + " " + results[i].l_name;
  //     else itemIdtoName[results[i][filterBy]] = results[i].name;
  //   }
  // }
  // let respData = {};
  // for (let key in items) {
  //   if (items.hasOwnProperty(key)) {
  //     respData[itemIdtoName[key]] = items[key];
  //   }
  // }
  // // transform obj to array
  // respData = Object.keys(items).map(function (key) {
  //   return [key, items[key]];
  // });
  //
  // // sort the array based on the second element
  // respData.sort(function (first, second) {
  //   return second[1] - first[1];
  // });
  //
  // // console.log(itemIdtoName);
  // // console.log(respData);
  // // Create a new array with only the first 10 items
  // respData = respData.slice(0, 10);

  res.json(results);
});

export default router;