feat: enhance TagInput component with popular tags loading

- Added `loadPopularTags` function to fetch and display popular tags when the input is empty.
- Updated `TagInput` to show suggestions based on input focus and improved suggestion display with a grid layout.
- Adjusted styles for better visual clarity and user experience.

components/ui/TagInput.tsx

@@ -26,7 +26,7 @@ export function TagInput({
   const inputRef = useRef<HTMLInputElement>(null);
   const suggestionsRef = useRef<HTMLDivElement>(null);
 
-  const { suggestions, loading, searchTags, clearSuggestions } = useTagsAutocomplete();
+  const { suggestions, loading, searchTags, clearSuggestions, loadPopularTags } = useTagsAutocomplete();
 
   // Rechercher des suggestions quand l'input change
   useEffect(() => {
@@ -93,6 +93,18 @@ export function TagInput({
     }, 150);
   };
 
+  const handleFocus = () => {
+    if (inputValue.trim()) {
+      // Si il y a du texte, afficher les suggestions existantes
+      setShowSuggestions(true);
+    } else {
+      // Si l'input est vide, charger les tags populaires
+      loadPopularTags(20);
+      setShowSuggestions(true);
+    }
+    setSelectedIndex(-1);
+  };
+
   return (
     <div className={`relative ${className}`}>
       {/* Container des tags et input */}
@@ -126,7 +138,7 @@ export function TagInput({
               onChange={(e) => setInputValue(e.target.value)}
               onKeyDown={handleKeyDown}
               onBlur={handleBlur}
-              onFocus={() => inputValue && setShowSuggestions(true)}
+              onFocus={handleFocus}
               placeholder={tags.length === 0 ? placeholder : ""}
               className="flex-1 min-w-[120px] bg-transparent border-none outline-none text-slate-100 placeholder-slate-400 text-sm"
             />
@@ -138,37 +150,38 @@ export function TagInput({
       {showSuggestions && (suggestions.length > 0 || loading) && (
         <div
           ref={suggestionsRef}
-          className="absolute top-full left-0 right-0 mt-1 bg-slate-800 border border-slate-600 rounded-lg shadow-lg z-50 max-h-48 overflow-y-auto"
+          className="absolute top-full left-0 right-0 mt-1 bg-slate-800 border border-slate-600 rounded-lg shadow-lg z-50 max-h-64 overflow-y-auto"
         >
           {loading ? (
             <div className="p-3 text-center text-slate-400 text-sm">
               Recherche...
             </div>
           ) : (
-            suggestions.map((tag, index) => (
-              <button
-                key={tag.id}
-                type="button"
-                onClick={() => handleSuggestionClick(tag)}
-                className={`w-full text-left px-3 py-2 text-sm transition-colors ${
-                  index === selectedIndex
-                    ? 'bg-slate-700 text-cyan-300'
-                    : 'text-slate-200 hover:bg-slate-700'
-                } ${tags.includes(tag.name) ? 'opacity-50 cursor-not-allowed' : ''}`}
-                disabled={tags.includes(tag.name)}
-              >
-                <div className="flex items-center gap-2">
+            <div className="grid grid-cols-2 sm:grid-cols-3 lg:grid-cols-4 gap-2 p-3">
+              {suggestions.map((tag, index) => (
+                <button
+                  key={tag.id}
+                  type="button"
+                  onClick={() => handleSuggestionClick(tag)}
+                  className={`flex items-center gap-2 px-2 py-1.5 text-xs rounded-md transition-colors ${
+                    index === selectedIndex
+                      ? 'bg-slate-700 text-cyan-300 ring-1 ring-cyan-400'
+                      : 'text-slate-200 hover:bg-slate-700'
+                  } ${tags.includes(tag.name) ? 'opacity-50 cursor-not-allowed' : ''}`}
+                  disabled={tags.includes(tag.name)}
+                  title={tags.includes(tag.name) ? 'Déjà ajouté' : `Ajouter ${tag.name}`}
+                >
                   <div
-                    className="w-3 h-3 rounded-full"
+                    className="w-2 h-2 rounded-full flex-shrink-0"
                     style={{ backgroundColor: tag.color }}
                   />
-                  <span>{tag.name}</span>
+                  <span className="truncate">{tag.name}</span>
                   {tags.includes(tag.name) && (
-                    <span className="text-xs text-slate-400 ml-auto">Déjà ajouté</span>
+                    <span className="text-slate-400 ml-auto">✓</span>
                   )}
-                </div>
-              </button>
-            ))
+                </button>
+              ))}
+            </div>
           )}
         </div>
       )}

hooks/useTags.ts

@@ -214,10 +214,24 @@ export function useTagsAutocomplete() {
     setSuggestions([]);
   }, []);
 
+  const loadPopularTags = useCallback(async (limit: number = 20) => {
+    setLoading(true);
+    try {
+      const response = await tagsClient.getPopularTags(limit);
+      setSuggestions(response.data);
+    } catch (error) {
+      console.error('Erreur lors du chargement des tags populaires:', error);
+      setSuggestions([]);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
   return {
     suggestions,
     loading,
     searchTags,
-    clearSuggestions
+    clearSuggestions,
+    loadPopularTags
   };
 }