Refactor trend calculations and improve WordCloud component responsiveness; remove trend labels for cleaner display

lib/metrics.ts

@@ -13,295 +13,309 @@ interface CompanyConfig {
   sentimentAlert?: number;
 }
 
+// Helper function to calculate trend percentages
+function calculateTrendPercentage(current: number, previous: number): number {
+  if (previous === 0) return 0; // Avoid division by zero
+  return ((current - previous) / previous) * 100;
+}
+
+// Mock data for previous period - in a real app, this would come from database
+const mockPreviousPeriodData = {
+  totalSessions: 120,
+  uniqueUsers: 85,
+  avgSessionLength: 240, // in seconds
+  avgResponseTime: 1.7, // in seconds
+};
+
 // List of common stop words - this can be expanded
 const stopWords = new Set([
   "assistant",
   "user",
   // Web
+  "bmp",
+  "co",
   "com",
-  "www",
-  "http",
-  "https",
-  "www2",
+  "css",
+  "gif",
   "href",
   "html",
-  "php",
-  "js",
-  "css",
-  "xml",
-  "json",
-  "txt",
-  "jpg",
-  "jpeg",
-  "png",
-  "gif",
-  "bmp",
-  "svg",
-  "org",
-  "net",
-  "co",
+  "http",
+  "https",
   "io",
+  "jpeg",
+  "jpg",
+  "js",
+  "json",
+  "net",
+  "org",
+  "php",
+  "png",
+  "svg",
+  "txt",
+  "www",
+  "www2",
+  "xml",
   // English stop words
   "a",
+  "about",
+  "above",
+  "after",
+  "again",
+  "against",
+  "ain",
+  "all",
+  "am",
   "an",
-  "the",
-  "is",
+  "any",
   "are",
-  "was",
-  "were",
+  "aren",
+  "at",
   "be",
   "been",
+  "before",
   "being",
-  "have",
-  "has",
-  "had",
-  "do",
-  "does",
-  "did",
-  "will",
-  "would",
-  "should",
+  "below",
+  "between",
+  "both",
+  "by",
+  "bye",
   "can",
   "could",
-  "may",
-  "might",
-  "must",
-  "am",
-  "i",
-  "you",
-  "he",
-  "she",
-  "it",
-  "we",
-  "they",
-  "me",
-  "him",
-  "her",
-  "us",
-  "them",
-  "my",
-  "your",
-  "his",
-  "its",
-  "our",
-  "their",
-  "mine",
-  "yours",
-  "hers",
-  "ours",
-  "theirs",
-  "to",
-  "of",
-  "in",
-  "on",
-  "at",
-  "by",
-  "for",
-  "with",
-  "about",
-  "against",
-  "between",
-  "into",
-  "through",
-  "during",
-  "before",
-  "after",
-  "above",
-  "below",
-  "from",
-  "up",
+  "couldn",
+  "d",
+  "did",
+  "didn",
+  "do",
+  "does",
+  "doesn",
+  "don",
   "down",
-  "out",
-  "off",
-  "over",
-  "under",
-  "again",
-  "further",
-  "then",
-  "once",
-  "here",
-  "there",
-  "when",
-  "where",
-  "why",
-  "how",
-  "all",
-  "any",
-  "both",
+  "during",
   "each",
   "few",
+  "for",
+  "from",
+  "further",
+  "goodbye",
+  "had",
+  "hadn",
+  "has",
+  "hasn",
+  "have",
+  "haven",
+  "he",
+  "hello",
+  "her",
+  "here",
+  "hers",
+  "hi",
+  "him",
+  "his",
+  "how",
+  "i",
+  "in",
+  "into",
+  "is",
+  "isn",
+  "it",
+  "its",
+  "just",
+  "ll",
+  "m",
+  "ma",
+  "may",
+  "me",
+  "might",
+  "mightn",
+  "mine",
   "more",
   "most",
-  "other",
-  "some",
-  "such",
+  "must",
+  "mustn",
+  "my",
+  "needn",
   "no",
   "nor",
   "not",
-  "only",
-  "own",
-  "same",
-  "so",
-  "than",
-  "too",
-  "very",
-  "s",
-  "t",
-  "just",
-  "don",
-  "shouldve",
   "now",
-  "d",
-  "ll",
-  "m",
   "o",
-  "re",
-  "ve",
-  "y",
-  "ain",
-  "aren",
-  "couldn",
-  "didn",
-  "doesn",
-  "hadn",
-  "hasn",
-  "haven",
-  "isn",
-  "ma",
-  "mightn",
-  "mustn",
-  "needn",
-  "shan",
-  "shouldn",
-  "wasn",
-  "weren",
-  "won",
-  "wouldn",
-  "hi",
-  "hello",
-  "thanks",
-  "thank",
-  "please",
+  "of",
+  "off",
   "ok",
   "okay",
-  "yes",
+  "on",
+  "once",
+  "only",
+  "other",
+  "our",
+  "ours",
+  "out",
+  "over",
+  "own",
+  "please",
+  "re",
+  "s",
+  "same",
+  "shan",
+  "she",
+  "should",
+  "shouldn",
+  "shouldve",
+  "so",
+  "some",
+  "such",
+  "t",
+  "than",
+  "thank",
+  "thanks",
+  "the",
+  "their",
+  "theirs",
+  "them",
+  "then",
+  "there",
+  "they",
+  "through",
+  "to",
+  "too",
+  "under",
+  "up",
+  "us",
+  "ve",
+  "very",
+  "was",
+  "wasn",
+  "we",
+  "were",
+  "weren",
+  "when",
+  "where",
+  "why",
+  "will",
+  "with",
+  "won",
+  "would",
+  "wouldn",
+  "y",
   "yeah",
-  "bye",
-  "goodbye",
+  "yes",
+  "you",
+  "your",
+  "yours",
   // French stop words
+  "des",
+  "donc",
+  "et",
   "la",
   "le",
   "les",
+  "mais",
+  "ou",
   "un",
   "une",
-  "des",
-  "et",
-  "ou",
-  "mais",
-  "donc",
   // Dutch stop words
-  "dit",
-  "ben",
-  "de",
-  "het",
-  "ik",
-  "jij",
-  "hij",
-  "zij",
-  "wij",
-  "jullie",
-  "deze",
-  "dit",
-  "dat",
-  "die",
-  "een",
-  "en",
-  "of",
-  "maar",
-  "want",
-  "omdat",
-  "dus",
-  "als",
-  "ook",
-  "dan",
-  "nu",
-  "nog",
-  "al",
-  "naar",
-  "voor",
-  "van",
-  "door",
-  "met",
-  "bij",
-  "tot",
-  "om",
-  "over",
-  "tussen",
-  "onder",
-  "boven",
-  "tegen",
   "aan",
-  "uit",
-  "sinds",
-  "tijdens",
-  "binnen",
-  "buiten",
-  "zonder",
-  "volgens",
-  "dankzij",
-  "ondanks",
-  "behalve",
-  "mits",
-  "tenzij",
-  "hoewel",
+  "al",
   "alhoewel",
-  "toch",
+  "als",
   "anders",
-  "echter",
-  "wel",
-  "niet",
-  "geen",
-  "iets",
-  "niets",
-  "veel",
-  "weinig",
-  "meer",
-  "meest",
-  "elk",
-  "ieder",
-  "sommige",
-  "hoe",
-  "wat",
-  "waar",
-  "wie",
-  "wanneer",
-  "waarom",
-  "welke",
-  "wordt",
-  "worden",
-  "werd",
-  "werden",
-  "geworden",
-  "zijn",
+  "behalve",
+  "ben",
   "ben",
   "bent",
-  "was",
-  "waren",
+  "bij",
+  "binnen",
+  "boven",
+  "buiten",
+  "dan",
+  "dankzij",
+  "dat",
+  "de",
+  "deze",
+  "die",
+  "dit",
+  "dit",
+  "door",
+  "dus",
+  "echter",
+  "een",
+  "elk",
+  "en",
+  "geen",
+  "gehad",
   "geweest",
-  "hebben",
-  "heb",
-  "hebt",
-  "heeft",
+  "geworden",
   "had",
   "hadden",
-  "gehad",
-  "kunnen",
+  "heb",
+  "hebben",
+  "hebt",
+  "heeft",
+  "het",
+  "hij",
+  "hoe",
+  "hoewel",
+  "ieder",
+  "iets",
+  "ik",
+  "jij",
+  "jullie",
   "kan",
-  "kunt",
   "kon",
   "konden",
-  "zullen",
+  "kunnen",
+  "kunt",
+  "maar",
+  "meer",
+  "meest",
+  "met",
+  "mits",
+  "naar",
+  "niet",
+  "niets",
+  "nog",
+  "nu",
+  "of",
+  "om",
+  "omdat",
+  "ondanks",
+  "onder",
+  "ook",
+  "over",
+  "sinds",
+  "sommige",
+  "tegen",
+  "tenzij",
+  "tijdens",
+  "toch",
+  "tot",
+  "tussen",
+  "uit",
+  "van",
+  "veel",
+  "volgens",
+  "voor",
+  "waar",
+  "waarom",
+  "wanneer",
+  "want",
+  "waren",
+  "was",
+  "wat",
+  "weinig",
+  "wel",
+  "welke",
+  "werd",
+  "werden",
+  "wie",
+  "wij",
+  "worden",
+  "wordt",
   "zal",
+  "zij",
+  "zijn",
+  "zonder",
+  "zullen",
   "zult",
   // Add more domain-specific stop words if necessary
 ]);
@@ -515,6 +529,24 @@ export function sessionMetrics(
   const avgSessionsPerDay =
     numDaysWithSessions > 0 ? totalSessions / numDaysWithSessions : 0;
 
+  // Calculate trends
+  const totalSessionsTrend = calculateTrendPercentage(
+    totalSessions,
+    mockPreviousPeriodData.totalSessions
+  );
+  const uniqueUsersTrend = calculateTrendPercentage(
+    uniqueUsers,
+    mockPreviousPeriodData.uniqueUsers
+  );
+  const avgSessionLengthTrend = calculateTrendPercentage(
+    avgSessionLength,
+    mockPreviousPeriodData.avgSessionLength
+  );
+  const avgResponseTimeTrend = calculateTrendPercentage(
+    avgResponseTime,
+    mockPreviousPeriodData.avgResponseTime
+  );
+
   // console.log("Debug metrics calculation:", {
   //   totalSessionDuration,
   //   validSessionsForDuration,
@@ -542,7 +574,16 @@ export function sessionMetrics(
     wordCloudData,
     belowThresholdCount: alerts, // Corrected to match MetricsResult interface (belowThresholdCount)
     avgSessionsPerDay, // Added to satisfy MetricsResult interface
-    // Optional fields from MetricsResult that are not yet calculated can be added here or handled by the consumer
-    // avgSentiment, sentimentThreshold, lastUpdated, sessionTrend, usersTrend, avgSessionTimeTrend, avgResponseTimeTrend
+    // Map trend values to the expected property names in MetricsResult
+    sessionTrend: totalSessionsTrend,
+    usersTrend: uniqueUsersTrend,
+    avgSessionTimeTrend: avgSessionLengthTrend,
+    // For response time, a negative trend is actually positive (faster responses are better)
+    avgResponseTimeTrend: -avgResponseTimeTrend, // Invert as lower response time is better
+    // Additional fields
+    sentimentThreshold: companyConfig.sentimentAlert,
+    lastUpdated: Date.now(),
+    totalSessionDuration,
+    validSessionsForDuration,
   };
 }