{{ define "settings.html" }}
<section>
  <h2>系统设置</h2>
  <!-- 系统配置设置 -->
  <div class="layui-panel" style="margin-top: 16px;">
    <h3 style="margin: 0; padding: 15px 20px; border-bottom: 1px solid var(--lay-color-border-2); padding-bottom: 10px; margin-bottom: 15px;">安全配置</h3>
    <div style="padding: 20px;">
      <form class="layui-form" id="systemForm">
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="maintenance-mode">维护模式</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="开启|关闭" title="开启|关闭">
            </div>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="encryption-key">加密密钥</label>
          <div class="layui-input-block">
            <div style="display: flex; gap: 10px;">
              <input type="text" name="encryption_key" placeholder="请输入数据加密密钥" class="layui-input" readonly>
              <button type="button" class="layui-btn layui-btn-primary" id="generateEncBtn">生成</button>
            </div>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="jwt-secret">JWT密钥</label>
          <div class="layui-input-block">
            <div style="display: flex; gap: 10px;">
              <input type="text" name="jwt_secret" placeholder="请输入JWT签名密钥" class="layui-input" readonly>
              <button type="button" class="layui-btn layui-btn-primary" id="generateJwtBtn">生成</button>
            </div>
          </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="jwt-refresh">JWT刷新</label>
            <div class="layui-input-block">
              <div style="display: flex; align-items: center; gap: 10px;">
                <input type="number" name="jwt_refresh" placeholder="6" min="1" lay-affix="number" class="layui-input"
                  style="width: 120px;" />
                <span class="layui-form-mid">小时（至少1小时）</span>
              </div>
            </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="jwt-expire">JWT有效期</label>
            <div class="layui-input-block">
              <div style="display: flex; align-items: center; gap: 10px;">
                <input type="number" name="jwt_expire" placeholder="24" min="1" lay-affix="number" class="layui-input"
                  style="width: 120px;" />
                <span class="layui-form-mid">小时（至少1小时）</span>
              </div>
            </div>
        </div>
        <div class="layui-form-item">
            <div class="layui-input-block">
                <button type="button" class="layui-btn layui-btn-sm" lay-submit lay-filter="save_system">保存安全配置</button>
                <button type="button" class="layui-btn layui-btn-primary layui-btn-sm reset-btn" data-type="system">重置</button>
            </div>
        </div>
      </form>
    </div>
  </div>

  <!-- Cookie 设置 -->
  <div class="layui-panel" style="margin-top: 16px;">
    <h3 style="margin: 0; padding: 15px 20px; border-bottom: 1px solid var(--lay-color-border-2); padding-bottom: 10px; margin-bottom: 15px;">Cookie 设置</h3>
    <div style="padding: 20px;">
      <form class="layui-form" id="cookieForm">
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="cookie-secure">Secure</label>
          <div class="layui-input-block">
             <div style="display: flex; align-items: center; justify-content: flex-start; gap: 10px;">
               <input type="checkbox" name="cookie_secure" lay-skin="switch" lay-text="开启|关闭" title="开启|关闭">
             </div>
          </div>
        </div>
        <div class="layui-form-item">
          <label class="layui-form-label" style="cursor: pointer;" data-tips="cookie-samesite">Same</label>
          <div class="layui-input-block">
            <select name="cookie_same_site">
              <option value="Strict">Strict</option>
              <option value="Lax">Lax</option>
              <option value="None">None</option>
            </select>
          </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="cookie-domain">Domain</label>
            <div class="layui-input-block">
                <input type="text" name="cookie_domain" placeholder="留空则默认为当前域名" class="layui-input">
            </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="cookie-max-age">MaxAge</label>
            <div class="layui-input-block">
              <div style="display: flex; align-items: center; gap: 10px;">
                <input type="number" name="cookie_max_age" placeholder="86400" min="0" lay-affix="number" class="layui-input"
                  style="width: 120px;" />
                <span class="layui-form-mid">秒</span>
              </div>
            </div>
        </div>

        <div class="layui-form-item">
            <div class="layui-input-block">
                <button type="button" class="layui-btn layui-btn-sm" lay-submit lay-filter="save_cookie">保存Cookie设置</button>
                <button type="button" class="layui-btn layui-btn-primary layui-btn-sm reset-btn" data-type="cookie">重置</button>
            </div>
        </div>
      </form>
    </div>
  </div>

  <!-- 日志清理设置 -->
  <div class="layui-panel" style="margin-top: 16px;">
    <h3 style="margin: 0; padding: 15px 20px; border-bottom: 1px solid var(--lay-color-border-2); padding-bottom: 10px; margin-bottom: 15px;">日志清理设置</h3>
    <div style="padding: 20px;">
      <form class="layui-form" id="logCleanupForm">
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="login-log-cleanup">登录日志</label>
            <div class="layui-input-block">
              <div style="display: flex; align-items: center; gap: 10px;">
                <span class="layui-form-mid">保留</span>
                <input type="number" name="login_log_cleanup_days" placeholder="30" min="0" lay-affix="number" class="layui-input" style="width: 80px;" />
                <span class="layui-form-mid">天，且保留最近</span>
                <input type="number" name="login_log_cleanup_limit" placeholder="10000" min="0" lay-affix="number" class="layui-input" style="width: 100px;" />
                <span class="layui-form-mid">条（0为不限制）</span>
              </div>
            </div>
        </div>
        <div class="layui-form-item">
            <label class="layui-form-label" style="cursor: pointer;" data-tips="operation-log-cleanup">操作日志</label>
            <div class="layui-input-block">
              <div style="display: flex; align-items: center; gap: 10px;">
                <span class="layui-form-mid">保留</span>
                <input type="number" name="operation_log_cleanup_days" placeholder="30" min="0" lay-affix="number" class="layui-input" style="width: 80px;" />
                <span class="layui-form-mid">天，且保留最近</span>
                <input type="number" name="operation_log_cleanup_limit" placeholder="10000" min="0" lay-affix="number" class="layui-input" style="width: 100px;" />
                <span class="layui-form-mid">条（0为不限制）</span>
              </div>
            </div>
        </div>
        <div class="layui-form-item">
            <div class="layui-input-block">
                <button type="button" class="layui-btn layui-btn-sm" lay-submit lay-filter="save_cleanup">保存清理策略</button>
                <button type="button" class="layui-btn layui-btn-primary layui-btn-sm reset-btn" data-type="cleanup">重置</button>
            </div>
        </div>
      </form>
    </div>
  </div>

  <!-- 基本信息设置 -->
  <div class="layui-panel" style="margin-top: 16px;">
    <h3 style="margin: 0; padding: 15px 20px; border-bottom: 1px solid var(--lay-color-border-2); padding-bottom: 10px; margin-bottom: 15px;">基本信息设置</h3>
    <div style="padding: 20px;">
      <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>
        <div class="layui-form-item">
          <div class="layui-input-block">
            <button type="button" class="layui-btn layui-btn-sm" lay-submit lay-filter="save_basic">保存基本信息</button>
            <button type="button" class="layui-btn layui-btn-primary layui-btn-sm reset-btn" data-type="basic">重置</button>
          </div>
        </div>
      </form>
    </div>
  </div>

  <!-- 页脚与备案信息 -->
  <div class="layui-panel" style="margin-top: 16px;">
    <h3 style="margin: 0; padding: 15px 20px; border-bottom: 1px solid var(--lay-color-border-2); padding-bottom: 10px; margin-bottom: 15px;">页脚与备案</h3>
    <div style="padding: 20px;">
      <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>
        <div class="layui-form-item">
          <div class="layui-input-block">
            <button type="button" class="layui-btn layui-btn-sm" lay-submit lay-filter="save_footer">保存页脚备案</button>
            <button type="button" class="layui-btn layui-btn-primary layui-btn-sm reset-btn" data-type="footer">重置</button>
          </div>
        </div>
      </form>
    </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
       * - 拆分为独立的填充函数，便于局部重置
       */
      const fillSystem = (settings) => {
        const maintenanceChecked = (settings.maintenance_mode || '0') === '1';
        $('[name="maintenance_mode"]').prop('checked', maintenanceChecked);
        $('[name="jwt_secret"]').val(settings.jwt_secret || '');
        $('[name="encryption_key"]').val(settings.encryption_key || '');
        $('[name="jwt_refresh"]').val(settings.jwt_refresh || '6');
        $('[name="jwt_expire"]').val(settings.jwt_expire || '24');
      };

      const fillCookie = (settings) => {
        const cookieSecureChecked = (settings.cookie_secure || 'true') === 'true' || settings.cookie_secure === '1';
        $('[name="cookie_secure"]').prop('checked', cookieSecureChecked);
        $('[name="cookie_same_site"]').val(settings.cookie_same_site || 'Lax');
        $('[name="cookie_domain"]').val(settings.cookie_domain || '');
        $('[name="cookie_max_age"]').val(settings.cookie_max_age || '86400');
      };

      const fillCleanup = (settings) => {
        $('[name="login_log_cleanup_days"]').val(settings.login_log_cleanup_days || '30');
        $('[name="login_log_cleanup_limit"]').val(settings.login_log_cleanup_limit || '10000');
        $('[name="operation_log_cleanup_days"]').val(settings.operation_log_cleanup_days || '30');
        $('[name="operation_log_cleanup_limit"]').val(settings.operation_log_cleanup_limit || '10000');
      };

      const fillBasic = (settings) => {
        $('[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 || '');
      };

      const fillFooter = (settings) => {
        $('[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 || '');
      };

      const fillForms = (settings = {}) => {
        fillBasic(settings);
        fillSystem(settings);
        fillCookie(settings);
        fillCleanup(settings);
        fillFooter(settings);
        // 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('#cookieForm'),
          ...collectForm('#footerForm'),
          ...collectForm('#logCleanupForm'),
        };
      };

      /**
       * 提交设置到后端
       * @param {Object} payload - 要保存的设置对象
       * @param {HTMLElement} btnElem - 触发保存的按钮元素（用于禁用/恢复）
       * @param {String} successMsg - 成功提示信息
       */
      const submitSettings = (payload, btnElem, successMsg = '保存成功') => {
        const $btn = $(btnElem);
        $btn.prop('disabled', true).addClass('layui-btn-disabled');
        const loadIdx = layer.msg('正在保存...', {
          icon: 16,
          time: 0,
          shade: 0.1
        });

        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 || successMsg, { icon: 1, time: 1000 });
              // 更新本地缓存，合并新保存的设置
              originalSettings = { ...originalSettings, ...payload };
            } else {
              layer.msg(res.msg || '保存失败', { icon: 2 });
            }
          })
          .catch(err => {
            console.error('保存设置失败:', err);
            var msg = '网络错误，保存失败';
            if (err.response && err.response.data && err.response.data.msg) {
                msg = err.response.data.msg;
            } else if (err.message) {
                msg = err.message;
            }
            layer.msg(msg, { icon: 2 });
          })
          .finally(() => {
            layer.close(loadIdx);
            $btn.prop('disabled', false).removeClass('layui-btn-disabled');
          });
      };

      /**
       * 绑定各个分块的保存按钮
       */
      form.on('submit(save_system)', function(data){
        submitSettings(collectForm('#systemForm'), data.elem, '安全配置已保存');
        return false;
      });
      form.on('submit(save_cookie)', function(data){
        submitSettings(collectForm('#cookieForm'), data.elem, 'Cookie设置已保存');
        return false;
      });
      form.on('submit(save_cleanup)', function(data){
        submitSettings(collectForm('#logCleanupForm'), data.elem, '清理策略已保存');
        return false;
      });
      form.on('submit(save_basic)', function(data){
        submitSettings(collectForm('#basicForm'), data.elem, '基本信息已保存');
        return false;
      });
      form.on('submit(save_footer)', function(data){
        submitSettings(collectForm('#footerForm'), data.elem, '页脚备案已保存');
        return false;
      });

      /**
       * 处理各个分块的重置按钮
       */
      $(document).on('click', '.reset-btn', function() {
        const type = $(this).data('type');
        switch (type) {
          case 'system':
            fillSystem(originalSettings);
            break;
          case 'cookie':
            fillCookie(originalSettings);
            break;
          case 'cleanup':
            fillCleanup(originalSettings);
            break;
          case 'basic':
            fillBasic(originalSettings);
            break;
          case 'footer':
            fillFooter(originalSettings);
            break;
        }
        form.render();
        layer.msg('已恢复该部分默认值', { icon: 1, time: 800 });
      });
      
      /**
       * 生成安全密钥
       */
      const generateKey = async (type) => {
        try {
          const loadIdx = layer.load(2);
          const res = await fetch(`/admin/api/settings/generate_key?type=${type}`, {
            headers: { 'X-Requested-With': 'XMLHttpRequest' }
          });
          const data = await res.json();
          layer.close(loadIdx);
          
          if (data.code === 0) {
            if (type === 'jwt') {
              $('[name="jwt_secret"]').val(data.data.key);
            } else if (type === 'encryption') {
              $('[name="encryption_key"]').val(data.data.key);
            }
            layer.msg('生成成功', { icon: 1 });
          } else {
            layer.msg(data.msg || '生成失败', { icon: 2 });
          }
        } catch (err) {
          console.error('生成密钥失败:', err);
          layer.closeAll('loading');
          layer.msg('网络错误', { icon: 2 });
        }
      };

      $('#generateJwtBtn').on('click', () => generateKey('jwt'));
      $('#generateEncBtn').on('click', () => generateKey('encryption'));

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