// profiles.js — LLM 配置管理页面逻辑

const Profiles = {
  _data: [],

  // 初始化：绑定按钮事件
  init() {
    document.getElementById("add-profile-btn").addEventListener("click", () => Profiles.showForm());
    document.getElementById("save-profile-btn").addEventListener("click", () => Profiles.save());
    document.getElementById("cancel-profile-btn").addEventListener("click", () => Profiles.hideForm());
    document.getElementById("test-profile-btn").addEventListener("click", () => Profiles.testForm());
  },

  // 加载并渲染 Profile 列表
  async load() {
    const grid = document.getElementById("profile-cards");
    const empty = document.getElementById("profiles-empty");
    grid.innerHTML = '<p class="muted">加载中…</p>';
    try {
      const data = await API.profiles();
      Profiles._data = data.profiles || [];
      grid.innerHTML = "";
      if (Profiles._data.length === 0) {
        empty.hidden = false;
      } else {
        empty.hidden = true;
        Profiles._data.forEach(p => grid.appendChild(Profiles.renderCard(p)));
      }
    } catch (err) {
      grid.innerHTML = `<p class="muted">加载失败：${App.escape(err.message)}</p>`;
    }
  },

  // 渲染单个 Profile 卡片
  renderCard(p) {
    const card = document.createElement("div");
    card.className = "profile-card";
    card.dataset.id = p.profile_id;
    card.innerHTML = `
      <div class="profile-card-head">
        <div class="profile-card-name">${App.escape(p.name)}</div>
        <div class="profile-card-actions">
          <button class="btn btn-sm btn-test" data-action="test">测试</button>
          <button class="btn btn-sm" data-action="edit">编辑</button>
          <button class="btn btn-sm btn-danger" data-action="delete">删除</button>
        </div>
      </div>
      <div class="profile-card-field"><span class="field-label">模型</span> <code>${App.escape(p.model)}</code></div>
      <div class="profile-card-field"><span class="field-label">Base URL</span> <code>${App.escape(p.base_url)}</code></div>
      <div class="profile-card-field"><span class="field-label">超时</span> ${p.timeout_seconds}s</div>
      <div class="profile-test-result" data-result hidden></div>
    `;
    card.querySelector("[data-action=test]").addEventListener("click", () => Profiles.testCard(p, card));
    card.querySelector("[data-action=edit]").addEventListener("click", () => Profiles.showForm(p));
    card.querySelector("[data-action=delete]").addEventListener("click", () => Profiles.remove(p.profile_id, p.name));
    return card;
  },

  // 测试已保存的 profile（卡片上的测试按钮）
  async testCard(p, card) {
    const btn = card.querySelector("[data-action=test]");
    const resultEl = card.querySelector("[data-result]");
    btn.disabled = true;
    btn.textContent = "测试中…";
    resultEl.hidden = true;
    resultEl.className = "profile-test-result";
    try {
      const res = await API.testProfile(p.profile_id);
      Profiles._showTestResult(resultEl, res);
    } catch (err) {
      Profiles._showTestResult(resultEl, { ok: false, message: err.message });
    } finally {
      btn.disabled = false;
      btn.textContent = "测试";
    }
  },

  // 测试表单中当前填写的参数（保存前即可测试）
  async testForm() {
    const body = {
      model: document.getElementById("pf-model").value.trim(),
      base_url: document.getElementById("pf-base-url").value.trim(),
      api_key: document.getElementById("pf-api-key").value.trim(),
      timeout_seconds: parseInt(document.getElementById("pf-timeout").value, 10) || 30,
    };
    const errEl = document.getElementById("profile-form-error");
    if (!body.model || !body.base_url || !body.api_key) {
      errEl.textContent = "请先填写模型名称、Base URL 和 API Key";
      return;
    }
    errEl.textContent = "";
    const testBtn = document.getElementById("test-profile-btn");
    const resultEl = document.getElementById("profile-form-test-result");
    testBtn.disabled = true;
    testBtn.textContent = "测试中…";
    resultEl.hidden = true;
    resultEl.className = "profile-test-result";
    try {
      const res = await API.probeConnectivity(body);
      Profiles._showTestResult(resultEl, res);
    } catch (err) {
      Profiles._showTestResult(resultEl, { ok: false, message: err.message });
    } finally {
      testBtn.disabled = false;
      testBtn.textContent = "测试连通性";
    }
  },

  // 渲染测试结果到指定元素
  _showTestResult(el, res) {
    el.hidden = false;
    el.classList.add(res.ok ? "ok" : "fail");
    const latency = res.latency_ms != null ? ` (${res.latency_ms}ms)` : "";
    el.textContent = res.ok ? `✓ 连接成功${latency}` : `✗ ${res.message}`;
  },

  // 显示新建或编辑表单
  showForm(profile = null) {
    const panel = document.getElementById("profile-form-panel");
    const title = document.getElementById("profile-form-title");
    panel.hidden = false;
    title.textContent = profile ? "编辑 LLM 配置" : "新建 LLM 配置";
    document.getElementById("edit-profile-id").value = profile ? profile.profile_id : "";
    document.getElementById("pf-name").value = profile ? profile.name : "";
    document.getElementById("pf-model").value = profile ? profile.model : "";
    document.getElementById("pf-base-url").value = profile ? profile.base_url : "";
    document.getElementById("pf-api-key").value = profile ? profile.api_key : "";
    document.getElementById("pf-timeout").value = profile ? profile.timeout_seconds : 30;
    document.getElementById("profile-form-error").textContent = "";
    const resultEl = document.getElementById("profile-form-test-result");
    resultEl.hidden = true;
    resultEl.className = "profile-test-result";
    panel.scrollIntoView({ behavior: "smooth", block: "start" });
  },

  hideForm() {
    document.getElementById("profile-form-panel").hidden = true;
  },

  // 保存（新建 or 更新）
  async save() {
    const id = document.getElementById("edit-profile-id").value;
    const body = {
      name: document.getElementById("pf-name").value.trim(),
      model: document.getElementById("pf-model").value.trim(),
      base_url: document.getElementById("pf-base-url").value.trim(),
      api_key: document.getElementById("pf-api-key").value.trim(),
      timeout_seconds: parseInt(document.getElementById("pf-timeout").value, 10) || 30,
    };
    const errEl = document.getElementById("profile-form-error");
    if (!body.name || !body.model || !body.base_url || !body.api_key) {
      errEl.textContent = "请填写所有必填字段（名称、模型、Base URL、API Key）";
      return;
    }
    try {
      if (id) {
        await API.updateProfile(id, body);
      } else {
        await API.createProfile(body);
      }
      Profiles.hideForm();
      await Profiles.load();
    } catch (err) {
      errEl.textContent = `保存失败：${err.message}`;
    }
  },

  // 删除 Profile
  async remove(profileId, name) {
    if (!confirm(`确认删除配置「${name}」？`)) return;
    try {
      await API.deleteProfile(profileId);
      await Profiles.load();
    } catch (err) {
      alert(`删除失败：${err.message}`);
    }
  },

  // 获取当前已加载的 profiles（供 runner.js 使用）
  getAll() {
    return Profiles._data;
  },
};