added imgur + some cleanup

text.go

@@ -11,7 +11,6 @@ import (
 )
 
 var (
-	debugMode        bool
 	searchEngines    []searchEngine
 	searchEngineLock sync.Mutex
 )
@@ -23,8 +22,6 @@ type searchEngine struct {
 }
 
 func init() {
-	debugMode = false
-
 	searchEngines = []searchEngine{
 		{Name: "Google", Func: PerformGoogleTextSearch, Weight: 1},
 		{Name: "LibreX", Func: PerformLibreXTextSearch, Weight: 2},
@@ -138,13 +135,6 @@ func selectSearchEngine() searchEngine {
 	return searchEngines[0] // fallback to the first engine
 }
 
-func max(a, b int) int {
-	if a > b {
-		return a
-	}
-	return b
-}
-
 func displayResults(w http.ResponseWriter, results []TextSearchResult, query, lang string, elapsed float64, page int, hasPrevPage, hasNextPage bool) {
 	log.Printf("Displaying results for page %d", page)
 	log.Printf("Total results: %d", len(results))