feat: implement buddies and tasting sessions features

src/components/BuddyList.tsx

@@ -0,0 +1,138 @@
+'use client';
+
+import React, { useState, useEffect } from 'react';
+import { createClientComponentClient } from '@supabase/auth-helpers-nextjs';
+import { Users, UserPlus, Trash2, User, Loader2 } from 'lucide-react';
+
+interface Buddy {
+    id: string;
+    name: string;
+    buddy_profile_id: string | null;
+}
+
+export default function BuddyList() {
+    const supabase = createClientComponentClient();
+    const [buddies, setBuddies] = useState<Buddy[]>([]);
+    const [newName, setNewName] = useState('');
+    const [isLoading, setIsLoading] = useState(true);
+    const [isAdding, setIsAdding] = useState(false);
+
+    useEffect(() => {
+        fetchBuddies();
+    }, []);
+
+    const fetchBuddies = async () => {
+        const { data: { user } } = await supabase.auth.getUser();
+        if (!user) return;
+
+        const { data, error } = await supabase
+            .from('buddies')
+            .select('*')
+            .order('name');
+
+        if (error) {
+            console.error('Error fetching buddies:', error);
+        } else {
+            setBuddies(data || []);
+        }
+        setIsLoading(false);
+    };
+
+    const handleAddBuddy = async (e: React.FormEvent) => {
+        e.preventDefault();
+        if (!newName.trim()) return;
+
+        setIsAdding(true);
+        const { data: { user } } = await supabase.auth.getUser();
+        if (!user) return;
+
+        const { data, error } = await supabase
+            .from('buddies')
+            .insert([{ name: newName.trim(), user_id: user.id }])
+            .select();
+
+        if (error) {
+            console.error('Error adding buddy:', error);
+        } else {
+            setBuddies(prev => [...(data || []), ...prev].sort((a, b) => a.name.localeCompare(b.name)));
+            setNewName('');
+        }
+        setIsAdding(false);
+    };
+
+    const handleDeleteBuddy = async (id: string) => {
+        const { error } = await supabase
+            .from('buddies')
+            .delete()
+            .eq('id', id);
+
+        if (error) {
+            console.error('Error deleting buddy:', error);
+        } else {
+            setBuddies(prev => prev.filter(b => b.id !== id));
+        }
+    };
+
+    return (
+        <div className="bg-white dark:bg-zinc-900 rounded-3xl p-6 border border-zinc-200 dark:border-zinc-800 shadow-xl">
+            <h3 className="text-xl font-bold mb-6 flex items-center gap-2 text-zinc-800 dark:text-zinc-100 italic">
+                <Users size={24} className="text-amber-600" />
+                Deine Buddies
+            </h3>
+
+            <form onSubmit={handleAddBuddy} className="flex gap-2 mb-6">
+                <input
+                    type="text"
+                    value={newName}
+                    onChange={(e) => setNewName(e.target.value)}
+                    placeholder="Buddy Name..."
+                    className="flex-1 bg-zinc-50 dark:bg-zinc-800 border border-zinc-200 dark:border-zinc-700 rounded-xl px-4 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-amber-500/50"
+                />
+                <button
+                    type="submit"
+                    disabled={isAdding || !newName.trim()}
+                    className="bg-amber-600 hover:bg-amber-700 text-white p-2 rounded-xl transition-all disabled:opacity-50"
+                >
+                    {isAdding ? <Loader2 size={20} className="animate-spin" /> : <UserPlus size={20} />}
+                </button>
+            </form>
+
+            {isLoading ? (
+                <div className="flex justify-center py-8 text-zinc-400">
+                    <Loader2 size={24} className="animate-spin" />
+                </div>
+            ) : buddies.length === 0 ? (
+                <div className="text-center py-8 text-zinc-500 text-sm">
+                    Noch keine Buddies hinzugefügt.
+                </div>
+            ) : (
+                <div className="space-y-2 max-h-[300px] overflow-y-auto scrollbar-hide">
+                    {buddies.map((buddy) => (
+                        <div
+                            key={buddy.id}
+                            className="flex items-center justify-between p-3 bg-zinc-50 dark:bg-zinc-800/50 rounded-2xl border border-zinc-100 dark:border-zinc-800 group hover:border-amber-500/30 transition-all"
+                        >
+                            <div className="flex items-center gap-3">
+                                <div className="w-8 h-8 rounded-full bg-amber-100 dark:bg-amber-900/30 flex items-center justify-center text-amber-700 dark:text-amber-500">
+                                    <User size={16} />
+                                </div>
+                                <div>
+                                    <span className="font-semibold text-zinc-800 dark:text-zinc-200 text-sm">{buddy.name}</span>
+                                    {buddy.buddy_profile_id && (
+                                        <span className="ml-2 inline-block px-1.5 py-0.5 bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-500 text-[8px] font-black uppercase rounded">verknüpft</span>
+                                    )}
+                                </div>
+                            </div>
+                            <button
+                                onClick={() => handleDeleteBuddy(buddy.id)}
+                                className="text-zinc-400 hover:text-red-500 opacity-0 group-hover:opacity-100 transition-all p-1"
+                            >
+                                <Trash2 size={16} />
+                            </button>
+                        </div>
+                    ))}
+                </div>
+            )}
+        </div>
+    );
+}