import { fileURLToPath } from "url";
import { connection } from "./index.js";
// Create the connection to database

// get data for users between 2 dates
async function getTopTen() {
  let filteredResults;
  let startDate = "2021-01-01";
  let endDate = "2029-01-01";
  if (req.query.to) startDate = req.query.to;
  if (req.query.from) startDate = req.query.from;
  try {
    const [results, fields] = await connection.query(
      "SELECT t.user,t.time,t.date,t.project \
    FROM Timelog t\
    WHERE t.date BETWEEN ? AND ? ;",
      [startDate, endDate],
    );
    filteredResults = results;
    console.log(filteredResults);
  } catch (err) {
    console.log(err);
  }

  if (req.query.filterBy) filterBy = req.query.filterBy;
  // how much time each user has logged during that time period
  if (filterBy === "user") {
    let users = {};
    for (let i = 0; i < filteredResults.length; i++) {
      if (filteredResults[i].user in users) {
        users[filteredResults[i].user] += filteredResults[i].time;
      } else {
        users[filteredResults[i].user] = filteredResults[i].time;
      }
    }
    // Create items array
    let items = Object.keys(users).map(function (key) {
      return [key, users[key]];
    });

    // Sort the array based on the second element
    items.sort(function (first, second) {
      return second[1] - first[1];
    });

    // Create a new array with only the first 10 items
    return items.slice(0, 10);
  }
}

export { getTopTen };

//   SELECT u.f_name,u.l_name,u.mail,p.name,t.time,t.date
// FROM Timelog t
// INNER JOIN Project p ON p.id=t.project
// INNER JOIN User u ON u.id=t.user
//   WHERE User = "100";
// ORDER BY time
// LIMIT 10 OFFSET 10