feat: new file

src/store/situationStore.ts

@@ -0,0 +1,82 @@
+import { create } from 'zustand'
+import type { MilitarySituation } from '@/data/mockData'
+import { INITIAL_MOCK_DATA } from '@/data/mockData'
+
+interface SituationState {
+  situation: MilitarySituation
+  isConnected: boolean
+  lastError: string | null
+  setSituation: (situation: MilitarySituation) => void
+  updateFromWebSocket: (partial: Partial<MilitarySituation>) => void
+  setConnected: (connected: boolean) => void
+  setLastError: (error: string | null) => void
+}
+
+export const useSituationStore = create<SituationState>((set) => ({
+  situation: INITIAL_MOCK_DATA,
+  isConnected: false,
+  lastError: null,
+
+  setSituation: (situation) => set({ situation }),
+
+  updateFromWebSocket: (partial) =>
+    set((state) => ({
+      situation: {
+        ...state.situation,
+        ...partial,
+        lastUpdated: new Date().toISOString(),
+      },
+    })),
+
+  setConnected: (isConnected) => set({ isConnected }),
+
+  setLastError: (lastError) => set({ lastError }),
+}))
+
+// WebSocket mock logic - simulates real-time updates without actual simulation
+// In production, replace with actual WebSocket connection
+let mockWsInterval: ReturnType<typeof setInterval> | null = null
+
+export function startWebSocketMock(): void {
+  if (mockWsInterval) return
+
+  const store = useSituationStore.getState()
+  store.setConnected(true)
+  store.setLastError(null)
+
+  mockWsInterval = setInterval(() => {
+    const { situation } = useSituationStore.getState()
+    const now = Date.now()
+
+    // Simulate minor fluctuations in numbers (display-only, no logic)
+    const fluctuation = () => Math.floor(Math.random() * 3) - 1
+
+    useSituationStore.getState().updateFromWebSocket({
+      usForces: {
+        ...situation.usForces,
+        summary: {
+          ...situation.usForces.summary,
+          totalAssets: Math.max(40, situation.usForces.summary.totalAssets + fluctuation()),
+        },
+      },
+      recentUpdates: [
+        {
+          id: `u-${now}`,
+          timestamp: new Date(now).toISOString(),
+          category: 'intel',
+          summary: '例行状态同步 - 各系统正常',
+          severity: 'low',
+        },
+        ...situation.recentUpdates.slice(0, 3),
+      ],
+    })
+  }, 15000) // Update every 15 seconds
+}
+
+export function stopWebSocketMock(): void {
+  if (mockWsInterval) {
+    clearInterval(mockWsInterval)
+    mockWsInterval = null
+  }
+  useSituationStore.getState().setConnected(false)
+}