{{ define "settings.html" }}
<section>
  <h2>系统设置</h2>
  <!-- 基本信息设置 -->
  <div class="layui-card" style="margin-top: 16px;">
    <div class="layui-card-header">基本信息设置</div>
    <div class="layui-card-body">
      <form class="layui-form" id="basicForm">
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="site-title">站点标题</label>
          <div class="layui-input-block">
            <input type="text" name="site_title" lay-verify="required" placeholder="请输入站点标题" class="layui-input" />
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="site-keywords">关键词</label>
          <div class="layui-input-block">
            <input type="text" name="site_keywords" placeholder="请输入站点关键词，多个关键词用逗号分隔" class="layui-input" />
          </div>
        </div>
        <div class="layui-form-item layui-form-text">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="site-description">站点描述</label>
          <div class="layui-input-block">
            <textarea name="site_description" placeholder="请输入站点描述" class="layui-textarea"></textarea>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="site-logo">站点Logo</label>
          <div class="layui-input-block">
            <input type="text" name="site_logo" placeholder="/assets/logo.svg" class="layui-input" />
          </div>
        </div>
      </form>
    </div>
  </div>

  <!-- 系统配置设置 -->
  <div class="layui-card" style="margin-top: 16px;">
    <div class="layui-card-header">系统配置</div>
    <div class="layui-card-body">
      <form class="layui-form" id="systemForm">
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="maintenance-mode">关闭系统</label>
          <div class="layui-input-block">
            <div style="display: flex; align-items: center; justify-content: flex-start; gap: 10px;">
              <input type="checkbox" name="maintenance_mode" lay-skin="switch" lay-text="关闭系统|开启系统" title="关闭系统|开启系统">
            </div>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="default-user-role">默认角色</label>
          <div class="layui-input-block">
            <select name="default_user_role">
              <option value="0">管理员</option>
              <option value="1">普通用户</option>
            </select>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="session-timeout">会话超时</label>
          <div class="layui-input-block">
            <div style="display: flex; align-items: center; gap: 10px;">
              <input type="number" name="session_timeout" placeholder="3600" min="300" max="86400" class="layui-input"
                style="width: 120px;" />
              <span class="layui-form-mid">秒（300-86400秒）</span>
            </div>
          </div>
        </div>

      </form>
    </div>
  </div>

  <!-- 页脚与备案信息 -->
  <div class="layui-card" style="margin-top: 16px;">
    <div class="layui-card-header">页脚与备案</div>
    <div class="layui-card-body">
      <form class="layui-form" id="footerForm">
        <div class="layui-form-item layui-form-text">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="footer-text">页脚文本</label>
          <div class="layui-input-block">
            <textarea name="footer_text" placeholder="© 2025 凌动技术 保留所有权利" class="layui-textarea"></textarea>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="icp-record">ICP备案</label>
          <div class="layui-input-block">
            <input type="text" name="icp_record" placeholder="京ICP备12345678号" class="layui-input" />
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="icp-record-link">备案链接</label>
          <div class="layui-input-block">
            <input type="url" name="icp_record_link" placeholder="https://beian.miit.gov.cn" class="layui-input" />
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="psb-record">公安备案</label>
          <div class="layui-input-block">
            <input type="text" name="psb_record" placeholder="京公网安备11010802012345号" class="layui-input" />
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="psb-record-link">备案链接</label>
          <div class="layui-input-block">
            <input type="url" name="psb_record_link" placeholder="http://www.beian.gov.cn/portal/registerSystemInfo"
              class="layui-input" />
          </div>
        </div>
      </form>
    </div>
  </div>

  <!-- 操作按钮 -->
  <div class="layui-form-item" style="margin-top: 24px;">
    <div class="layui-input-block">
      <button type="button" class="layui-btn" id="saveAllBtn" lay-submit lay-filter="saveAll">保存所有设置</button>
      <button type="button" class="layui-btn layui-btn-primary" id="resetBtn">重置</button>
    </div>
  </div>
</section>

<script>
  // 等待layui加载完成
  function waitForLayui(callback) {
    if (typeof layui !== 'undefined') {
      callback();
    } else {
      setTimeout(() => waitForLayui(callback), 100);
    }
  }

  waitForLayui(function () {
    layui.use(['jquery', 'form', 'layer', 'util'], function () {
      const { $, form, layer, util } = layui;

      // 缓存上次加载的设置值，用于“重置”恢复
      let originalSettings = {};

      /**
       * 加载后台所有设置并回填到三个表单
       * - 从 /admin/api/settings 获取 name:value 映射
       * - 处理开关型字段（maintenance_mode）
       * - 渲染 layui 组件
       */
      const loadSettings = async () => {
        try {
          const res = await fetch('/admin/api/settings', {
            method: 'GET',
            headers: { 'X-Requested-With': 'XMLHttpRequest' }
          });
          const data = await res.json();
          if (data.code !== 0) {
            layer.msg(data.msg || '加载设置失败', { icon: 2 });
            return;
          }
          originalSettings = data.data || {};
          fillForms(originalSettings);
        } catch (err) {
          console.error('获取设置失败:', err);
          layer.msg('网络错误，无法加载设置', { icon: 2 });
        }
      };

      /**
       * 将 settings 数据回填到各表单控件
       * - 文本/文本域/下拉：直接赋值
       * - 开关：根据 "1"/"0" 置为选中/未选中
       */
      const fillForms = (settings = {}) => {
        // 基本信息
        $('[name="site_title"]').val(settings.site_title || '');
        $('[name="site_keywords"]').val(settings.site_keywords || '');
        $('[name="site_description"]').val(settings.site_description || '');
        $('[name="site_logo"]').val(settings.site_logo || '');

        // 系统配置
        const maintenanceChecked = (settings.maintenance_mode || '0') === '1';
        $('[name="maintenance_mode"]').prop('checked', maintenanceChecked);
        $('[name="default_user_role"]').val(settings.default_user_role || '1');
        $('[name="session_timeout"]').val(settings.session_timeout || '3600');

        // 页脚与备案
        $('[name="footer_text"]').val(settings.footer_text || '');
        $('[name="icp_record"]').val(settings.icp_record || '');
        $('[name="icp_record_link"]').val(settings.icp_record_link || '');
        $('[name="psb_record"]').val(settings.psb_record || '');
        $('[name="psb_record_link"]').val(settings.psb_record_link || '');

        // 渲染 layui 组件
        form.render();
      };

      /**
       * 收集某个表单下所有可用控件的值
       * - 统一将 checkbox 转为 "1"/"0"
       * - 其他控件转为字符串，避免后端类型不一致
       */
      const collectForm = (selector) => {
        const obj = {};
        const $form = $(selector);
        $form.find('input, textarea, select').each(function () {
          const $el = $(this);
          const name = $el.attr('name');
          if (!name) return; // 无 name 不纳入
          const type = ($el.attr('type') || '').toLowerCase();
          let value = '';
          if (type === 'checkbox') {
            value = $el.prop('checked') ? '1' : '0';
          } else {
            value = ($el.val() ?? '').toString();
          }
          obj[name] = value;
        });
        return obj;
      };

      /**
       * 汇总三个表单的字段为一个扁平对象
       */
      const collectAllSettings = () => {
        return {
          ...collectForm('#basicForm'),
          ...collectForm('#systemForm'),
          ...collectForm('#footerForm'),
        };
      };

      /**
       * 处理“保存所有设置”点击
       * - 二次确认后提交
       * - 显示加载中，防重复提交
       * - 成功后提示并刷新缓存的 originalSettings
       */
      const handleSaveAll = () => {
        const payload = collectAllSettings();
        layer.confirm('确认保存所有设置？', { icon: 3, title: '提示' }, (idx) => {
          layer.close(idx);
          const btn = $('#saveAllBtn');
          btn.prop('disabled', true).addClass('layui-btn-disabled');
          const loadIdx = layer.load(2, { content: '正在保存...' });

          fetch('/admin/api/settings/update', {
            method: 'POST',
            headers: {
              'Content-Type': 'application/json',
              'X-Requested-With': 'XMLHttpRequest'
            },
            body: JSON.stringify(payload)
          })
            .then(resp => resp.json())
            .then(res => {
              if (res.code === 0) {
                layer.msg(res.msg || '保存成功', { icon: 1, time: 1000 });
                originalSettings = { ...payload };
              } else {
                layer.msg(res.msg || '保存失败', { icon: 2 });
              }
            })
            .catch(err => {
              console.error('保存设置失败:', err);
              layer.msg('网络错误，保存失败', { icon: 2 });
            })
            .finally(() => {
              layer.close(loadIdx);
              btn.prop('disabled', false).removeClass('layui-btn-disabled');
            });
        });
      };

      /**
       * 处理“重置”点击
       * - 恢复为上次加载的 originalSettings
       */
      const handleReset = () => {
        fillForms(originalSettings);
        layer.msg('已恢复到上次加载的值', { icon: 1, time: 800 });
      };

      // 事件绑定
      $('#saveAllBtn').off('click').on('click', handleSaveAll);
      $('#resetBtn').off('click').on('click', handleReset);

      // 初始化：加载设置
      loadSettings();
    });
  });
</script>
{{ end }}