(function () {
  "use strict";

  var toastEl = document.querySelector(".toast");
  var toastTimer = null;
  function toast(msg) {
    if (!toastEl) return;
    toastEl.textContent = msg;
    toastEl.classList.add("show");
    clearTimeout(toastTimer);
    toastTimer = setTimeout(function () {
      toastEl.classList.remove("show");
    }, 2200);
  }
  window.awToast = toast;

  async function postJson(url, body, method) {
    var res = await fetch(url, {
      method: method || "POST",
      headers: { "content-type": "application/json" },
      body: JSON.stringify(body || {}),
    });
    var json = null;
    try {
      json = await res.json();
    } catch (e) {}
    if (!res.ok || (json && json.ok === false)) {
      throw new Error((json && json.error && json.error.message) || "请求失败（" + res.status + "）");
    }
    return json;
  }
  window.awApi = postJson;

  document.querySelectorAll("[data-copy]").forEach(function (btn) {
    btn.addEventListener("click", function () {
      var text = btn.getAttribute("data-copy");
      if (navigator.clipboard && navigator.clipboard.writeText) {
        navigator.clipboard.writeText(text).then(
          function () { toast("已复制"); },
          function () { toast("复制失败，请手动选择文本"); }
        );
      } else {
        toast("当前环境不支持自动复制");
      }
    });
  });

  var searchInput = document.getElementById("q");
  var echo = document.getElementById("query-echo");
  if (searchInput && echo) {
    var paint = function () {
      var q = searchInput.value.trim();
      echo.textContent = q
        ? '→ mcp: search_entries({ "q": "' + q + '", "limit": 20 })'
        : '→ mcp: search_entries({ "q": "…" })';
    };
    searchInput.addEventListener("input", paint);
    paint();
  }

  var searchForm = document.getElementById("search-form");
  if (searchForm) {
    searchForm.addEventListener("submit", function (e) {
      e.preventDefault();
      var q = searchForm.querySelector("#q") ? searchForm.querySelector("#q").value.trim() : "";
      location.href = "/entries" + (q ? "?q=" + encodeURIComponent(q) : "");
    });
  }

  var randomBtn = document.getElementById("random-btn");
  if (randomBtn) {
    randomBtn.addEventListener("click", function () {
      location.href = "/random";
    });
  }

  var navToggle = document.querySelector(".nav-toggle");
  if (navToggle) {
    navToggle.addEventListener("click", function () {
      var bar = document.querySelector(".topbar");
      var open = bar.classList.toggle("menu-open");
      navToggle.setAttribute("aria-expanded", open ? "true" : "false");
    });
  }

  var railToggle = document.getElementById("rail-toggle");
  if (railToggle) {
    railToggle.addEventListener("click", function () {
      document.getElementById("filter-rail").classList.toggle("open");
    });
  }

  document.querySelectorAll(".tree-row[data-tree]").forEach(function (row) {
    row.addEventListener("click", function () {
      var target = document.getElementById(row.getAttribute("data-tree"));
      if (!target) return;
      var open = target.classList.toggle("open");
      row.setAttribute("aria-expanded", open ? "true" : "false");
    });
  });

  document.querySelectorAll(".view-tabs button[data-view]").forEach(function (tab) {
    tab.addEventListener("click", function () {
      document
        .querySelectorAll(".view-tabs button[data-view]")
        .forEach(function (t) { t.setAttribute("aria-selected", "false"); });
      tab.setAttribute("aria-selected", "true");
      var view = tab.getAttribute("data-view");
      document.querySelectorAll("[data-view-panel]").forEach(function (p) {
        p.hidden = p.getAttribute("data-view-panel") !== view;
      });
    });
  });

  document.querySelectorAll(".filter-auto input[type=checkbox], .filter-auto select").forEach(function (el) {
    el.addEventListener("change", function () {
      el.form && el.form.submit();
    });
  });

  document.querySelectorAll("[data-eye-toggle]").forEach(function (btn) {
    btn.addEventListener("click", function () {
      var input = btn.closest(".pwd-field, .ai-key-field")
        ? btn.closest(".pwd-field, .ai-key-field").querySelector("input")
        : null;
      if (!input) return;
      var show = input.type === "password";
      input.type = show ? "text" : "password";
      btn.setAttribute("aria-label", show ? "隐藏密码" : "显示密码");
      if (show) btn.setAttribute("data-show", "");
      else btn.removeAttribute("data-show");
    });
  });

  var loginForm = document.getElementById("login-form");
  if (loginForm) {
    loginForm.addEventListener("submit", function (e) {
      e.preventDefault();
      if (!loginForm.reportValidity()) return;
      postJson("/api/admin/login", {
        username: loginForm.username.value,
        password: loginForm.password.value,
        remember: loginForm.remember ? loginForm.remember.checked : true,
      })
        .then(function () {
          toast("登录成功，正在进入管理台…");
          setTimeout(function () { location.href = "/admin"; }, 400);
        })
        .catch(function (err) { toast(err.message); });
    });
  }

  var commentForm = document.querySelector(".comment-form[data-entry-id]");
  if (commentForm) {
    commentForm.addEventListener("submit", function (e) {
      e.preventDefault();
      if (!commentForm.reportValidity()) return;
      postJson("/api/comments", {
        entryId: Number(commentForm.getAttribute("data-entry-id")),
        authorName: commentForm.querySelector("[name=authorName]").value,
        body: commentForm.querySelector("[name=body]").value,
      })
        .then(function () {
          toast("评论已发布");
          setTimeout(function () { location.reload(); }, 500);
        })
        .catch(function (err) { toast(err.message); });
    });
  }

  var feedbackForm = document.querySelector(".feedback[data-feedback]");
  if (feedbackForm) {
    feedbackForm.addEventListener("submit", function (e) {
      e.preventDefault();
      if (!feedbackForm.reportValidity()) return;
      postJson("/api/feedback", { body: feedbackForm.querySelector("textarea").value })
        .then(function () {
          toast("已收到，感谢反馈");
          feedbackForm.reset();
        })
        .catch(function (err) { toast(err.message); });
    });
  }
})();