document.addEventListener("DOMContentLoaded", function () {
  const burger = document.getElementById("burger");
  const nav = document.getElementById("siteNav");
  if (burger && nav) {
    burger.addEventListener("click", function () {
      nav.classList.toggle("open");
    });
  }

  const dateBox = document.getElementById("todayDate");
  if (dateBox) {
    const now = new Date();
    dateBox.textContent = now.toLocaleDateString("ru-RU", {
      year: "numeric",
      month: "long",
      day: "numeric",
      weekday: "long"
    });
  }

  const slides = Array.from(document.querySelectorAll(".slide"));
  if (slides.length > 0) {
    let slideIndex = 0;
    setInterval(function () {
      slides[slideIndex].classList.remove("active");
      slideIndex = (slideIndex + 1) % slides.length;
      slides[slideIndex].classList.add("active");
    }, 3000);
  }

  const newsModal = document.getElementById("newsModal");
  const modalTitle = document.getElementById("modalTitle");
  const modalText = document.getElementById("modalText");
  const closeModalBtn = document.getElementById("closeModal");
  const newsButtons = document.querySelectorAll(".open-news");

  if (newsModal && modalTitle && modalText && closeModalBtn && newsButtons.length) {
    newsButtons.forEach(function (btn) {
      btn.addEventListener("click", function () {
        modalTitle.textContent = btn.dataset.title || "Новость";
        modalText.textContent = btn.dataset.full || "";
        newsModal.classList.add("open");
      });
    });

    closeModalBtn.addEventListener("click", function () {
      newsModal.classList.remove("open");
    });

    newsModal.addEventListener("click", function (event) {
      if (event.target === newsModal) {
        newsModal.classList.remove("open");
      }
    });
  }

  const geoBtn = document.getElementById("geoBtn");
  const geoResult = document.getElementById("geoResult");
  if (geoBtn && geoResult) {
    geoBtn.addEventListener("click", function () {
      if (!navigator.geolocation) {
        geoResult.textContent = "Геолокация не поддерживается.";
        return;
      }
      geoResult.textContent = "Определяем координаты...";
      navigator.geolocation.getCurrentPosition(
        function (position) {
          const lat = position.coords.latitude.toFixed(5);
          const lon = position.coords.longitude.toFixed(5);
          geoResult.textContent = "Ваши координаты: " + lat + ", " + lon;
        },
        function () {
          geoResult.textContent = "Не удалось получить геолокацию.";
        }
      );
    });
  }

  const bookingForm = document.getElementById("bookingForm");
  const formResult = document.getElementById("formResult");
  if (bookingForm && formResult) {
    const saved = localStorage.getItem("bookingData");
    if (saved) {
      const parsed = JSON.parse(saved);
      for (const key in parsed) {
        const el = bookingForm.elements[key];
        if (el) {
          el.value = parsed[key];
        }
      }
    }

    bookingForm.addEventListener("submit", function (event) {
      event.preventDefault();
      const formData = new FormData(bookingForm);
      const dataObj = {};
      formData.forEach(function (value, key) {
        dataObj[key] = value;
      });

      localStorage.setItem("bookingData", JSON.stringify(dataObj));
      formResult.innerHTML =
        "<h3>Результат обработки формы</h3>" +
        "<p><b>Имя:</b> " + (dataObj.firstName || "") + "</p>" +
        "<p><b>Фамилия:</b> " + (dataObj.lastName || "") + "</p>" +
        "<p><b>Email:</b> " + (dataObj.email || "") + "</p>" +
        "<p><b>Телефон:</b> " + (dataObj.phone || "") + "</p>" +
        "<p><b>Город вылета:</b> " + (dataObj.city || "") + "</p>" +
        "<p><b>Направление:</b> " + (dataObj.direction || "") + "</p>" +
        "<p><b>Дата старта:</b> " + (dataObj.startDate || "") + "</p>" +
        "<p><b>Дата возврата:</b> " + (dataObj.endDate || "") + "</p>" +
        "<p><b>Количество человек:</b> " + (dataObj.people || "") + "</p>" +
        "<p><b>Бюджет:</b> " + (dataObj.budget || "") + " руб.</p>" +
        "<p><b>Комментарий:</b> " + (dataObj.comment || "") + "</p>";
    });
  }
});