Refactor: Split UptimeBar.tsx into smaller components

application/src/components/services/hooks/useUptimeData.ts

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+
+import { useState, useEffect } from 'react';
+import { useQuery } from '@tanstack/react-query';
+import { uptimeService } from '@/services/uptimeService';
+import { UptimeData } from '@/types/service.types';
+
+interface UseUptimeDataProps {
+  serviceId?: string;
+  serviceType?: string;
+  status: string;
+  interval: number;
+}
+
+export const useUptimeData = ({ serviceId, serviceType, status, interval }: UseUptimeDataProps) => {
+  const [historyItems, setHistoryItems] = useState<UptimeData[]>([]);
+  
+  // Fetch real uptime history data if serviceId is provided with improved caching and error handling
+  const { data: uptimeData, isLoading, error, isFetching, refetch } = useQuery({
+    queryKey: ['uptimeHistory', serviceId, serviceType],
+    queryFn: () => serviceId ? uptimeService.getUptimeHistory(serviceId, 50, undefined, undefined, serviceType) : Promise.resolve([]),
+    enabled: !!serviceId,
+    refetchInterval: 30000, // Refresh every 30 seconds
+    staleTime: 15000, // Consider data fresh for 15 seconds
+    placeholderData: (previousData) => previousData, // Show previous data while refetching
+    retry: 3, // Retry failed requests three times
+    retryDelay: (attemptIndex) => Math.min(1000 * 2 ** attemptIndex, 10000), // Exponential backoff with max 10s
+  });
+  
+  // Filter uptime data to respect the service interval
+  const filterUptimeDataByInterval = (data: UptimeData[], intervalSeconds: number): UptimeData[] => {
+    if (!data || data.length === 0) return [];
+    
+    // Sort data by timestamp (newest first)
+    const sortedData = [...data].sort((a, b) => 
+      new Date(b.timestamp).getTime() - new Date(a.timestamp).getTime()
+    );
+    
+    const filtered: UptimeData[] = [];
+    let lastIncludedTime: number | null = null;
+    const intervalMs = intervalSeconds * 1000; // Convert to milliseconds
+    
+    // Include the most recent record first
+    if (sortedData.length > 0) {
+      filtered.push(sortedData[0]);
+      lastIncludedTime = new Date(sortedData[0].timestamp).getTime();
+    }
+    
+    // Filter subsequent records to maintain proper interval spacing
+    for (let i = 1; i < sortedData.length && filtered.length < 20; i++) {
+      const currentTime = new Date(sortedData[i].timestamp).getTime();
+      
+      // Only include if enough time has passed since the last included record
+      if (lastIncludedTime && (lastIncludedTime - currentTime) >= intervalMs) {
+        filtered.push(sortedData[i]);
+        lastIncludedTime = currentTime;
+      }
+    }
+    
+    return filtered;
+  };
+  
+  // Update history items when data changes
+  useEffect(() => {
+    if (uptimeData && uptimeData.length > 0) {
+      // Filter data based on the service interval
+      const filteredData = filterUptimeDataByInterval(uptimeData, interval);
+      setHistoryItems(filteredData);
+    } else if (status === "paused" || (uptimeData && uptimeData.length === 0)) {
+      // For paused services with no history, or empty history data, show all as paused
+      const statusValue = (status === "up" || status === "down" || status === "warning" || status === "paused") 
+        ? status 
+        : "paused"; // Default to paused if not a valid status
+        
+      const placeholderHistory: UptimeData[] = Array(20).fill(null).map((_, index) => ({
+        id: `placeholder-${index}`,
+        serviceId: serviceId || "",
+        timestamp: new Date(Date.now() - (index * interval * 1000)).toISOString(),
+        status: statusValue as "up" | "down" | "warning" | "paused",
+        responseTime: 0
+      }));
+      setHistoryItems(placeholderHistory);
+    }
+  }, [uptimeData, serviceId, status, interval]);
+
+  // Ensure we always have 20 items by padding with the last known status
+  const getDisplayItems = (): UptimeData[] => {
+    const displayItems = [...historyItems];
+    if (displayItems.length < 20) {
+      const lastItem = displayItems.length > 0 ? displayItems[displayItems.length - 1] : null;
+      const lastStatus = lastItem ? lastItem.status : 
+                        (status === "up" || status === "down" || status === "warning" || status === "paused") ? 
+                        status as "up" | "down" | "warning" | "paused" : "paused";
+      
+      // Generate padding items with proper time spacing
+      const paddingItems: UptimeData[] = Array(20 - displayItems.length).fill(null).map((_, index) => {
+        const baseTime = lastItem ? new Date(lastItem.timestamp).getTime() : Date.now();
+        const timeOffset = (index + 1) * interval * 1000; // Respect the interval
+        
+        return {
+          id: `padding-${index}`,
+          serviceId: serviceId || "",
+          timestamp: new Date(baseTime - timeOffset).toISOString(),
+          status: lastStatus,
+          responseTime: 0
+        };
+      });
+      displayItems.push(...paddingItems);
+    }
+
+    return displayItems.slice(0, 20);
+  };
+
+  return {
+    displayItems: getDisplayItems(),
+    isLoading,
+    error,
+    isFetching,
+    refetch
+  };
+};

application/src/components/services/uptime/UptimeErrorState.tsx

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+
+import React from 'react';
+import { X, RefreshCcw } from 'lucide-react';
+
+interface UptimeErrorStateProps {
+  uptime: number;
+  onRetry: () => void;
+}
+
+export const UptimeErrorState = ({ uptime, onRetry }: UptimeErrorStateProps) => {
+  return (
+    <div className="flex flex-col w-full gap-1">
+      <div className="flex items-center space-x-0.5 w-full h-6">
+        {Array(20).fill(0).map((_, index) => (
+          <div 
+            key={`error-${index}`}
+            className={`h-5 w-1.5 rounded-sm bg-gray-700 opacity-40`}
+          />
+        ))}
+      </div>
+      <div className="flex items-center justify-between text-xs">
+        <span className="text-muted-foreground">{Math.round(uptime)}% uptime</span>
+        <button 
+          onClick={onRetry} 
+          className="text-xs text-red-400 flex items-center gap-1 hover:text-red-300 transition-colors"
+        >
+          <X className="h-3 w-3" /> Connection error 
+          <RefreshCcw className="h-3 w-3 ml-1" />
+        </button>
+      </div>
+    </div>
+  );
+};

application/src/components/services/uptime/UptimeLoadingState.tsx

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+
+import React from 'react';
+
+export const UptimeLoadingState = () => {
+  return (
+    <div className="flex flex-col w-full gap-1">
+      <div className="flex items-center space-x-0.5 w-full h-6">
+        {Array(20).fill(0).map((_, index) => (
+          <div 
+            key={`skeleton-${index}`}
+            className={`h-5 w-1.5 rounded-sm bg-muted animate-pulse`}
+          />
+        ))}
+      </div>
+      <div className="flex items-center justify-between text-xs">
+        <span className="text-muted-foreground w-16 h-4 bg-muted animate-pulse rounded"></span>
+        <span className="text-muted-foreground w-24 h-4 bg-muted animate-pulse rounded"></span>
+      </div>
+    </div>
+  );
+};

application/src/components/services/uptime/UptimeStatusItem.tsx

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+
+import React from 'react';
+import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
+import { UptimeData } from '@/types/service.types';
+import { useTheme } from '@/contexts/ThemeContext';
+
+interface UptimeStatusItemProps {
+  item: UptimeData;
+  index: number;
+}
+
+export const UptimeStatusItem = ({ item, index }: UptimeStatusItemProps) => {
+  const { theme } = useTheme();
+
+  // Get appropriate color classes for each status type
+  const getStatusColor = (itemStatus: string) => {
+    switch(itemStatus) {
+      case "up":
+        return theme === "dark" ? "bg-emerald-500" : "bg-emerald-500"; 
+      case "down":
+        return theme === "dark" ? "bg-red-500" : "bg-red-500";
+      case "warning":
+        return theme === "dark" ? "bg-yellow-500" : "bg-yellow-500";
+      case "paused":
+      default:
+        return theme === "dark" ? "bg-gray-500" : "bg-gray-400";
+    }
+  };
+  
+  // Get status label
+  const getStatusLabel = (itemStatus: string): string => {
+    switch(itemStatus) {
+      case "up": return "Online";
+      case "down": return "Offline";
+      case "warning": return "Degraded";
+      case "paused": return "Paused";
+      default: return "Unknown";
+    }
+  };
+  
+  // Format timestamp for display
+  const formatTimestamp = (timestamp: string): string => {
+    try {
+      return new Date(timestamp).toLocaleString([], {
+        hour: '2-digit', 
+        minute: '2-digit',
+        month: 'short',
+        day: 'numeric'
+      });
+    } catch (e) {
+      return timestamp;
+    }
+  };
+
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>
+        <div 
+          className={`h-5 w-1.5 rounded-sm ${getStatusColor(item.status)} cursor-pointer hover:opacity-80 transition-opacity`}
+        />
+      </TooltipTrigger>
+      <TooltipContent 
+        side="top"
+        className="bg-gray-900 text-white border-gray-800 px-3 py-2"
+      >
+        <div className="flex flex-col gap-1 text-xs">
+          <div className="font-medium">{getStatusLabel(item.status)}</div>
+          <div>
+            {item.status !== "paused" && item.status !== "down" ? 
+              `${item.responseTime}ms` : 
+              "No response"}
+          </div>
+          <div className="text-gray-400">
+            {formatTimestamp(item.timestamp)}
+          </div>
+        </div>
+      </TooltipContent>
+    </Tooltip>
+  );
+};

application/src/components/services/uptime/UptimeSummary.tsx

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+
+import React from 'react';
+
+interface UptimeSummaryProps {
+  uptime: number;
+  interval: number;
+}
+
+export const UptimeSummary = ({ uptime, interval }: UptimeSummaryProps) => {
+  return (
+    <div className="flex items-center justify-between text-xs">
+      <span className="text-muted-foreground">
+        {Math.round(uptime)}% uptime
+      </span>
+      <span className="text-xs text-muted-foreground">
+        Last 20 checks ({interval}s interval)
+      </span>
+    </div>
+  );
+};

application/src/components/services/uptime/index.ts

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+
+export { UptimeStatusItem } from './UptimeStatusItem';
+export { UptimeSummary } from './UptimeSummary';
+export { UptimeLoadingState } from './UptimeLoadingState';
+export { UptimeErrorState } from './UptimeErrorState';