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app/analytics/geo/page.tsx

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+"use client";
+
+import { useState, useEffect } from 'react';
+import { GeoData } from '../../api/types';
+
+export default function GeoAnalyticsPage() {
+  const [geoData, setGeoData] = useState<GeoData[]>([]);
+  const [isLoading, setIsLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [dateRange, setDateRange] = useState({
+    from: new Date('2024-02-01'),
+    to: new Date('2025-03-05')
+  });
+
+  useEffect(() => {
+    const fetchGeoData = async () => {
+      try {
+        setIsLoading(true);
+        setError(null);
+
+        const response = await fetch(`/api/events/geo?startTime=${dateRange.from.toISOString().split('T')[0]}T00:00:00Z&endTime=${dateRange.to.toISOString().split('T')[0]}T23:59:59Z`);
+        if (!response.ok) throw new Error('Failed to fetch geographic data');
+        
+        const data = await response.json();
+        setGeoData(data.data);
+      } catch (err) {
+        setError(err instanceof Error ? err.message : 'An error occurred');
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchGeoData();
+  }, [dateRange]);
+
+  return (
+    <div className="container mx-auto px-4 py-8">
+      {/* 页面标题 */}
+      <div className="mb-8">
+        <h1 className="text-2xl font-bold text-foreground">Geographic Analysis</h1>
+        <p className="mt-2 text-text-secondary">Analyze visitor distribution by location</p>
+      </div>
+
+      {/* 时间范围选择器 */}
+      <div className="bg-card-bg rounded-xl p-6 mb-8">
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <div>
+            <label className="block text-sm font-medium text-text-secondary mb-1">Start Date</label>
+            <input
+              type="date"
+              className="block w-full px-3 py-2 bg-background border border-card-border rounded-md text-sm"
+              value={dateRange.from.toISOString().split('T')[0]}
+              onChange={e => setDateRange(prev => ({ ...prev, from: new Date(e.target.value) }))}
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-text-secondary mb-1">End Date</label>
+            <input
+              type="date"
+              className="block w-full px-3 py-2 bg-background border border-card-border rounded-md text-sm"
+              value={dateRange.to.toISOString().split('T')[0]}
+              onChange={e => setDateRange(prev => ({ ...prev, to: new Date(e.target.value) }))}
+            />
+          </div>
+        </div>
+      </div>
+
+      {/* 地理数据表格 */}
+      <div className="bg-card-bg rounded-xl shadow-sm overflow-hidden">
+        <div className="overflow-x-auto">
+          <table className="min-w-full divide-y divide-card-border">
+            <thead>
+              <tr className="bg-background/50">
+                <th className="px-6 py-3 text-left text-xs font-medium text-text-secondary uppercase tracking-wider">Location</th>
+                <th className="px-6 py-3 text-left text-xs font-medium text-text-secondary uppercase tracking-wider">Visits</th>
+                <th className="px-6 py-3 text-left text-xs font-medium text-text-secondary uppercase tracking-wider">Unique Visitors</th>
+                <th className="px-6 py-3 text-left text-xs font-medium text-text-secondary uppercase tracking-wider">Percentage</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-card-border">
+              {geoData.map(item => (
+                <tr key={item.location} className="hover:bg-background/50">
+                  <td className="px-6 py-4 whitespace-nowrap text-sm text-foreground">
+                    {item.location}
+                  </td>
+                  <td className="px-6 py-4 whitespace-nowrap text-sm text-foreground">
+                    {item.visits}
+                  </td>
+                  <td className="px-6 py-4 whitespace-nowrap text-sm text-foreground">
+                    {item.visitors}
+                  </td>
+                  <td className="px-6 py-4 whitespace-nowrap text-sm">
+                    <div className="flex items-center">
+                      <div className="w-full bg-background rounded-full h-2 mr-2">
+                        <div
+                          className="bg-accent-blue h-2 rounded-full"
+                          style={{ width: `${item.percentage}%` }}
+                        />
+                      </div>
+                      <span className="text-text-secondary">{item.percentage.toFixed(1)}%</span>
+                    </div>
+                  </td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+
+        {/* 加载状态 */}
+        {isLoading && (
+          <div className="flex justify-center items-center p-8">
+            <div className="w-8 h-8 border-t-2 border-b-2 border-accent-blue rounded-full animate-spin"></div>
+          </div>
+        )}
+
+        {/* 错误状态 */}
+        {error && (
+          <div className="flex justify-center items-center p-8 text-accent-red">
+            <p>{error}</p>
+          </div>
+        )}
+
+        {/* 无数据状态 */}
+        {!isLoading && !error && geoData.length === 0 && (
+          <div className="flex justify-center items-center p-8 text-text-secondary">
+            <p>No geographic data available</p>
+          </div>
+        )}
+      </div>
+
+      {/* 提示信息 */}
+      <div className="mt-4 text-sm text-text-secondary">
+        <p>Note: Geographic data is based on IP addresses and may not be 100% accurate.</p>
+      </div>
+    </div>
+  );
+}