Init Instant Answers

ia-main.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+type InstantAnswer struct {
+	Type    string // "calc", "unit_convert", "wiki", ...
+	Title   string
+	Content interface{}
+}
+
+func detectInstantAnswer(query string) *InstantAnswer {
+	// Try currency conversion first (more specific)
+	if amount, from, to, ok := ParseCurrencyConversion(query); ok {
+		if result, ok := ConvertCurrency(amount, from, to); ok {
+			return &InstantAnswer{
+				Type:  "currency",
+				Title: "Currency Conversion",
+				Content: map[string]interface{}{
+					"from":    from,
+					"to":      to,
+					"amount":  amount,
+					"result":  result,
+					"display": fmt.Sprintf("%.2f %s = %.2f %s", amount, from, result, to),
+				},
+			}
+		}
+	}
+
+	// Try math expression
+	if result, ok := parseMathExpression(query); ok {
+		return &InstantAnswer{
+			Type:    "calc",
+			Title:   "Calculation Result",
+			Content: result,
+		}
+	}
+
+	// Try Wikipedia search
+	if title, text, link, ok := getWikipediaSummary(query); ok {
+		return &InstantAnswer{
+			Type:  "wiki",
+			Title: title,
+			Content: map[string]string{
+				"text": text,
+				"link": link,
+			},
+		}
+	}
+
+	return nil
+}
+
+func initExchangeRates() {
+	// Initial synchronous load
+	if err := UpdateExchangeRates(); err != nil {
+		printErr("Initial exchange rate update failed: %v", err)
+	} else {
+		PrecacheAllCurrencyPairs()
+	}
+
+	// Pre-cache common wiki terms in background
+	go func() {
+		commonTerms := []string{"United States", "Europe", "Technology", "Science", "Mathematics"}
+		for _, term := range commonTerms {
+			getWikipediaSummary(term)
+		}
+	}()
+
+	// Periodically update cache
+	ticker := time.NewTicker(30 * time.Minute)
+	go func() {
+		for range ticker.C {
+			if err := UpdateExchangeRates(); err != nil {
+				printWarn("Periodic exchange rate update failed: %v", err)
+			} else {
+				PrecacheAllCurrencyPairs()
+			}
+		}
+	}()
+}