source: frontend/web3-eDnevnik_Frontend/src/pages/PredmetenNastavnikPages/PredmetenNastavnik_NedelenPlan/PredmetenNastavnik_NedelenPlan.jsx

import React, { useState, useEffect } from "react";
import axios from "axios";
import { useParams, useNavigate, Link } from "react-router-dom";

import NavbarKlasen from "../../../components/navbarKlasen/NavbarKlasen.jsx";

const PredmetenNastavnik_NedelenPlan = () => {
  const { classId } = useParams();

  const navigate = useNavigate();
  const [plan, setPlan] = useState(null);
  const [classDetails, setClassDetails] = useState(null);
  const [loading, setLoading] = useState(true);

  const daysMapping = [
    { label: "Понеделник", key: "Ponedelnik" },
    { label: "Вторник", key: "Vtornik" },
    { label: "Среда", key: "Sreda" },
    { label: "Четврток", key: "Cetvrtok" },
    { label: "Петок", key: "Petok" },
    { label: "Сабота", key: "Sabota" },
  ];

  const nastavniCasovi = [1, 2, 3, 4, 5, 6, 7, 8];

  const fetchAllData = async () => {
    try {
      setLoading(true);
      const [resPlan, resClass] = await Promise.all([
        axios.get(`http://localhost:8080/api/klas/${classId}/nedelenPlan`, {
          withCredentials: true,
        }),
        axios.get(`http://localhost:8080/api/klas/${classId}`, {
          withCredentials: true,
        }),
      ]);
      setPlan(resPlan.data);
      console.log(resPlan.data);
      setClassDetails(resClass.data);
    } catch (err) {
      console.error("Грешка при вчитување:", err);
    } finally {
      setLoading(false);
    }
  };

  useEffect(() => {
    if (classId) fetchAllData();
  }, [classId]);

  if (loading)
    return (
      <div>
        <NavbarKlasen />
        <div>
          <h2>Вчитување на неделниот план...</h2>
        </div>
      </div>
    );

  return (
    <div>
      <NavbarKlasen />
      <div>
        <div>
          <div className="navbar navbar-expand-lg bg-secondary justify-content-start ">
            <ul className="navbar-nav">
              <li className="nav-item active">
                <Link className="nav-link text-white fs-4">
                  {" "}
                  Соопштенија за класот{" "}
                </Link>
              </li>

              <li className="nav-item">
                <Link
                  className="nav-link text-white fs-4"
                  to={`/predmetenNastavnikDashboard/klas/${classId}/weeklyPlan`}
                >
                  {" "}
                  Неделни активности
                </Link>
              </li>
              <li className="nav-item">
                <Link
                  className="nav-link text-white fs-4"
                  to={`/predmetenNastavnikDashboard/klas/${classId}/schedule`}
                >
                  {" "}
                  Распоред
                </Link>
              </li>
              <li className="nav-item">
                <Link
                  className="nav-link text-white fs-4"
                  to={`/predmetenNastavnikDashboard/klas/${classId}/students`}
                >
                  {" "}
                  Студенти
                </Link>
              </li>
              <li className="nav-item">
                <Link
                  className="nav-link text-white fs-4"
                  to={`/predmetenNastavnikDashboard/klas/${classId}/subjects`}
                >
                  {" "}
                  Види слушани предмети
                </Link>
              </li>
            </ul>
          </div>
          <h1 className="m-3">
            Клас {classDetails?.oddelenie}-{classDetails?.paralelka} — Неделни
            активности
          </h1>
          <Link
            className="btn btn-primary m-2"
            to={`/predmetenNastavnikDashboard/${classId}/addActivity`}
          >
            Креирај неделна активност
          </Link>
        </div>

        <div className="m-3">
          <span>
            {console.log(plan)}
            Период: <strong>{plan?.datumOd}</strong> до{" "}
            <strong>{plan?.datumDo}</strong>
          </span>
        </div>

        <div>
          <table className="table">
            <thead>
              <tr>
                <th>Час</th>
                {daysMapping.map((day) => (
                  <th key={day.key}>{day.label}</th>
                ))}
              </tr>
            </thead>
            <tbody>
              {nastavniCasovi.map((casBroj) => (
                <tr key={casBroj}>
                  <td>{casBroj}</td>
                  {daysMapping.map((day) => {
                    const активностиЗаДенот = plan?.timetable?.[day.key] || [];
                    const активност = активностиЗаДенот.find(
                      (a) => a.reden_cas === casBroj
                    );

                    return (
                      <td key={day.key}>
                        {активност ? (
                          <div>
                            <div>{активност.naslov}</div>
                            <div>{активност.opis}</div>
                          </div>
                        ) : (
                          <div>—</div>
                        )}
                      </td>
                    );
                  })}
                </tr>
              ))}
            </tbody>
          </table>
        </div>
      </div>
    </div>
  );
};

export default PredmetenNastavnik_NedelenPlan;