// vibeproxy admin UI — minimal vanilla JS, no framework.
(function () {
  "use strict";

  // Light/dark theme toggle, persisted in localStorage.
  var themeBtn = document.querySelector("[data-theme-toggle]");
  if (themeBtn) {
    var icon = themeBtn.querySelector("i");
    function syncIcon() {
      var isLight = document.documentElement.getAttribute("data-bs-theme") === "light";
      icon.className = isLight ? "bi bi-sun" : "bi bi-moon-stars";
    }
    syncIcon();
    themeBtn.addEventListener("click", function () {
      var current = document.documentElement.getAttribute("data-bs-theme") === "light" ? "light" : "dark";
      var next = current === "dark" ? "light" : "dark";
      document.documentElement.setAttribute("data-bs-theme", next);
      localStorage.setItem("vp-theme", next);
      syncIcon();
    });
  }

  // Generic delete-confirmation modal. Any element with
  // data-confirm-delete-form="<form id>" and data-confirm-message="..."
  // opens #confirmDeleteModal and, on confirm, submits the named form.
  document.addEventListener("click", function (e) {
    var trigger = e.target.closest("[data-confirm-delete-form]");
    if (!trigger) return;
    e.preventDefault();
    var formId = trigger.getAttribute("data-confirm-delete-form");
    var message = trigger.getAttribute("data-confirm-message") || "Are you sure? This cannot be undone.";
    var modalEl = document.getElementById("confirmDeleteModal");
    if (!modalEl) return;
    modalEl.querySelector(".modal-body").textContent = message;
    var confirmBtn = modalEl.querySelector("[data-confirm-action]");
    confirmBtn.onclick = function () {
      var form = document.getElementById(formId);
      if (form) form.submit();
    };
    var modal = bootstrap.Modal.getOrCreateInstance(modalEl);
    modal.show();
  });

  // Dynamic add/remove rows for repeatable form sections (backends,
  // custom headers), driven by a <template id="{tableId}RowTemplate">.
  document.querySelectorAll("[data-add-row]").forEach(function (btn) {
    btn.addEventListener("click", function () {
      var tableId = btn.getAttribute("data-add-row");
      var table = document.getElementById(tableId);
      var tmpl = document.getElementById(tableId + "RowTemplate");
      if (!table || !tmpl) return;
      var tbody = table.querySelector("tbody");
      tbody.appendChild(tmpl.content.firstElementChild.cloneNode(true));
    });
  });
  document.addEventListener("click", function (e) {
    var btn = e.target.closest("[data-remove-row]");
    if (!btn) return;
    var tr = btn.closest("tr");
    if (tr) tr.remove();
  });

  // Live client-side filter for any table with data-searchable="true",
  // driven by an <input data-search-target="tableId">.
  document.querySelectorAll("[data-search-target]").forEach(function (input) {
    input.addEventListener("input", function () {
      var table = document.getElementById(input.getAttribute("data-search-target"));
      if (!table) return;
      var q = input.value.trim().toLowerCase();
      table.querySelectorAll("tbody tr").forEach(function (row) {
        row.style.display = row.textContent.toLowerCase().indexOf(q) === -1 ? "none" : "";
      });
    });
  });

  // Domain / CIDR chip inputs: comma or newline separated list rendered
  // into a hidden textarea, e.g. for proxy host domains.
  document.querySelectorAll("[data-chip-input]").forEach(function (wrap) {
    var hidden = wrap.querySelector("textarea");
    var display = wrap.querySelector(".vp-chip-list");
    var entry = wrap.querySelector("input[type=text]");
    if (!hidden || !display || !entry) return;

    function items() {
      return hidden.value.split("\n").map(function (s) { return s.trim(); }).filter(Boolean);
    }
    function renderChips() {
      display.innerHTML = "";
      items().forEach(function (item, idx) {
        var chip = document.createElement("span");
        chip.className = "badge text-bg-secondary vp-chip";
        chip.textContent = item;
        var x = document.createElement("button");
        x.type = "button";
        x.className = "btn-close btn-close-white btn-sm ms-2";
        x.setAttribute("aria-label", "Remove");
        x.addEventListener("click", function () {
          var list = items();
          list.splice(idx, 1);
          hidden.value = list.join("\n");
          renderChips();
        });
        chip.appendChild(x);
        display.appendChild(chip);
      });
    }
    entry.addEventListener("keydown", function (e) {
      if (e.key === "Enter" || e.key === ",") {
        e.preventDefault();
        var v = entry.value.trim().replace(/,$/, "");
        if (v) {
          var list = items();
          list.push(v);
          hidden.value = list.join("\n");
          entry.value = "";
          renderChips();
        }
      }
    });
    renderChips();
  });
})();