feat: manage homepage banner carousel

pages/SuperAdmin.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { ArrowDown, ArrowUp, Download, FolderKanban, Loader2, Pencil, Plus, RefreshCw, ShieldCheck, Trash2, Upload, UserCheck, UserX, Users, X } from 'lucide-react';
-import { adminApi, instructorApi, LearningPath, LearningPathInput, ManagedUser, ManagedUserDetail, PlatformAnalytics } from '../services/api';
+import { adminApi, instructorApi, HomeBanner, HomeBannerInput, LearningPath, LearningPathInput, ManagedUser, ManagedUserDetail, PlatformAnalytics } from '../services/api';
 import { useAuth } from '../context/AuthContext';
 import { useToast } from '../context/ToastContext';
 import { useNavigate } from 'react-router-dom';
@@ -51,7 +51,7 @@ export const SuperAdmin: React.FC = () => {
     {activeTab === 'courses' && <CoursesPanel courses={homeConfiguration?.courses || []} onManage={() => navigate('/gerenciar')} />}
     {activeTab === 'trails' && <PathManager title="Trilhas" description="Sequências guiadas de cursos existentes." paths={paths.filter((path) => path.kind === 'trail')} onNew={() => openNewPath('trail')} onEdit={openEditPath} onDelete={deletePath} />}
     {activeTab === 'formations' && <PathManager title="Formações" description="Currículos organizados a partir de cursos existentes." paths={paths.filter((path) => path.kind === 'formation')} onNew={() => openNewPath('formation')} onEdit={openEditPath} onDelete={deletePath} />}
-    {activeTab === 'home' && <HomePanel homeConfiguration={homeConfiguration} homeCourses={homeCourses} categories={categories} newCategory={newCategory} setNewCategory={setNewCategory} setHomeConfiguration={setHomeConfiguration} onCreateCategory={createCategory} onToggleCategory={toggleCategory} onMoveHomeCourse={moveHomeCourse} onSaveHome={saveHomeConfiguration} />}
+    {activeTab === 'home' && <><BannerManager courses={homeConfiguration?.courses || []} /><HomePanel homeConfiguration={homeConfiguration} homeCourses={homeCourses} categories={categories} newCategory={newCategory} setNewCategory={setNewCategory} setHomeConfiguration={setHomeConfiguration} onCreateCategory={createCategory} onToggleCategory={toggleCategory} onMoveHomeCourse={moveHomeCourse} onSaveHome={saveHomeConfiguration} /></>}
     {activeTab === 'access' && <PeoplePanel users={filteredUsers} isLoading={isLoading} query={query} setQuery={setQuery} accessLink={accessLink} inviteEmail={inviteEmail} setInviteEmail={setInviteEmail} inviteRole={inviteRole} setInviteRole={setInviteRole} selectedUser={selectedUser} setSelectedUser={setSelectedUser} updatingUserId={updatingUserId} loadingDetailId={loadingDetailId} currentUserId={user?.id} onInvite={createInvite} onUpdateUser={updateUser} onShowDetail={showUserDetail} onResetPassword={resetPassword} onExport={exportUsers} />}
     {isPathEditorOpen && <PathEditor input={pathInput} setInput={setPathInput} courses={homeConfiguration?.courses || []} selectedCourses={selectedPathCourses} editing={Boolean(editingPath)} isSaving={isSavingPath} isUploadingCover={isUploadingCover} coverInputRef={coverInputRef} onClose={closePathEditor} onSave={savePath} onUpload={uploadPathCover} onToggleCourse={togglePathCourse} onMoveCourse={movePathCourse} />}
   </main>;
@@ -67,6 +67,17 @@ const TabButton: React.FC<{ active: boolean; onClick: () => void; label: string
 const StatCard: React.FC<{ icon: React.ReactNode; label: string; value: number }> = ({ icon, label, value }) => <div className="rounded-2xl border border-white/10 bg-zinc-950/80 p-5"><div className="flex items-center gap-2 text-orange-400 mb-3">{icon}<span className="text-xs font-semibold uppercase tracking-wider">{label}</span></div><div className="text-3xl font-bold text-white">{value}</div></div>;
 const DetailMetric: React.FC<{ label: string; value: string }> = ({ label, value }) => <div className="rounded-xl bg-white/[0.03] px-4 py-3"><div className="text-xs text-gray-500">{label}</div><div className="text-sm font-semibold text-white mt-1">{value}</div></div>;
 
+const BannerManager: React.FC<{ courses: CourseOption[] }> = ({ courses }) => {
+  const { showToast } = useToast(); const [banners, setBanners] = useState<HomeBanner[]>([]); const [loading, setLoading] = useState(true); const [saving, setSaving] = useState(false); const fileInput = useRef<HTMLInputElement>(null);
+  useEffect(() => { adminApi.homeBanners().then((response) => setBanners(response.data)).catch(() => showToast('Não foi possível carregar os banners.', 'error')).finally(() => setLoading(false)); }, []);
+  const move = (index: number, direction: -1 | 1) => setBanners((current) => { const target = index + direction; if (target < 0 || target >= current.length) return current; const next = [...current]; [next[index], next[target]] = [next[target], next[index]]; return next; });
+  const remove = (id: string) => setBanners((current) => current.filter((banner) => banner.id !== id));
+  const addCourse = (courseId: string) => { if (!courseId || banners.some((banner) => banner.kind === 'course' && banner.courseId === courseId)) return; const course = courses.find((item) => item.id === courseId); if (!course) return; setBanners((current) => [...current, { id: crypto.randomUUID(), kind: 'course', courseId, imageUrl: null, title: '', description: '', position: current.length + 1, courseTitle: course.title, courseDescription: null, courseImageUrl: null }]); };
+  const upload = async (file: File) => { if (!file.type.startsWith('image/')) { showToast('Selecione uma imagem válida.', 'error'); return; } try { const response = await instructorApi.uploadCover(file); setBanners((current) => [...current, { id: crypto.randomUUID(), kind: 'custom', courseId: null, imageUrl: response.data.coverImageUrl, title: '', description: '', position: current.length + 1, courseTitle: null, courseDescription: null, courseImageUrl: null }]); } catch { showToast('Não foi possível enviar o banner.', 'error'); } };
+  const save = async () => { setSaving(true); try { const input: HomeBannerInput[] = banners.map(({ kind, courseId, imageUrl, title, description }) => ({ kind, courseId, imageUrl, title, description })); const response = await adminApi.updateHomeBanners(input); setBanners(response.data); showToast('Banners da página inicial salvos.', 'success'); } catch { showToast('Não foi possível salvar os banners.', 'error'); } finally { setSaving(false); } };
+  return <section className="mb-6 rounded-2xl border border-white/10 bg-zinc-950/80 p-5"><div className="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between"><div><h2 className="text-lg font-bold text-white">Banners da página inicial</h2><p className="mt-1 text-sm text-gray-500">Envie imagens próprias ou use a capa de cursos publicados. Mais de um banner vira um carrossel.</p></div><button onClick={save} disabled={saving || loading} className="rounded-xl bg-orange-500 px-4 py-2.5 text-sm font-semibold text-white disabled:opacity-50">{saving ? 'Salvando...' : 'Salvar banners'}</button></div><div className="mt-5 grid gap-3 md:grid-cols-2">{banners.map((banner, index) => <div key={banner.id} className="flex gap-3 rounded-xl border border-white/10 bg-black/20 p-3"><div className="h-16 w-28 shrink-0 overflow-hidden rounded-lg bg-zinc-900">{(banner.imageUrl || banner.courseImageUrl) && <img src={banner.imageUrl || banner.courseImageUrl || ''} alt="" className="h-full w-full object-cover" />}</div><div className="min-w-0 flex-1"><p className="truncate text-sm font-semibold text-white">{banner.kind === 'course' ? banner.courseTitle : banner.title || 'Banner personalizado'}</p><p className="mt-1 text-xs text-gray-500">{banner.kind === 'course' ? 'Capa do curso' : 'Imagem enviada'}</p><div className="mt-2 flex gap-1"><button onClick={() => move(index, -1)} disabled={index === 0} className="rounded bg-white/10 p-1 disabled:opacity-20"><ArrowUp className="h-3.5 w-3.5" /></button><button onClick={() => move(index, 1)} disabled={index === banners.length - 1} className="rounded bg-white/10 p-1 disabled:opacity-20"><ArrowDown className="h-3.5 w-3.5" /></button><button onClick={() => remove(banner.id)} className="rounded bg-red-500/15 p-1 text-red-400"><Trash2 className="h-3.5 w-3.5" /></button></div></div></div>)}</div><div className="mt-4 flex flex-col gap-2 sm:flex-row"><input ref={fileInput} type="file" accept="image/jpeg,image/png,image/webp" className="hidden" onChange={(event) => { const file = event.target.files?.[0]; if (file) void upload(file); event.currentTarget.value = ''; }} /><button onClick={() => fileInput.current?.click()} className="rounded-xl border border-dashed border-orange-500/50 px-4 py-2.5 text-sm font-semibold text-orange-300">Enviar imagem de banner</button><select defaultValue="" onChange={(event) => { addCourse(event.target.value); event.currentTarget.value = ''; }} className="min-w-0 flex-1 rounded-xl border border-white/10 bg-zinc-900 px-3 py-2.5 text-sm text-white"><option value="">Adicionar capa de um curso publicado</option>{courses.filter((course) => course.status === 'published').map((course) => <option key={course.id} value={course.id}>{course.title}</option>)}</select></div></section>;
+};
+
 const CoursesPanel: React.FC<{ courses: CourseOption[]; onManage: () => void }> = ({ courses, onManage }) => <section className="rounded-2xl border border-white/10 bg-zinc-950/80 overflow-hidden"><div className="flex items-center justify-between gap-4 border-b border-white/10 p-5"><div><h2 className="text-lg font-bold text-white">Cursos</h2><p className="mt-1 text-sm text-gray-500">Edite ou exclua cursos rapidamente no gerenciador.</p></div><button onClick={onManage} className="rounded-xl bg-orange-500 px-4 py-2.5 text-sm font-semibold text-white">Gerenciar cursos</button></div><div className="divide-y divide-white/5">{courses.length === 0 ? <p className="p-8 text-sm text-gray-500">Nenhum curso cadastrado.</p> : courses.map((course) => <div key={course.id} className="flex items-center gap-4 p-4"><span className="min-w-0 flex-1 truncate font-medium text-white">{course.title}</span><span className={`rounded-full px-2.5 py-1 text-[10px] font-bold uppercase ${course.status === 'published' ? 'bg-emerald-500/15 text-emerald-400' : 'bg-amber-500/15 text-amber-300'}`}>{course.status === 'published' ? 'Publicado' : 'Rascunho'}</span><button onClick={onManage} className="rounded-lg border border-white/10 px-3 py-1.5 text-xs font-semibold text-gray-300 hover:bg-white/10">Editar</button></div>)}</div></section>;
 
 const PathManager: React.FC<{ title: string; description: string; paths: LearningPath[]; onNew: () => void; onEdit: (path: LearningPath) => void; onDelete: (path: LearningPath) => void }> = ({ title, description, paths, onNew, onEdit, onDelete }) => <section className="rounded-2xl border border-white/10 bg-zinc-950/80 overflow-hidden"><div className="flex items-center justify-between gap-4 border-b border-white/10 p-5"><div><h2 className="text-lg font-bold text-white">{title}</h2><p className="mt-1 text-sm text-gray-500">{description}</p></div><button onClick={onNew} className="inline-flex items-center gap-2 rounded-xl bg-orange-500 px-4 py-2.5 text-sm font-semibold text-white"><Plus className="h-4 w-4" /> Nova</button></div><div className="divide-y divide-white/5">{paths.length === 0 ? <div className="p-10 text-center text-sm text-gray-500">Nenhuma {title.toLowerCase()} criada ainda.</div> : paths.map((path) => <div key={path.id} className="flex items-center gap-4 p-4"><div className="h-12 w-20 shrink-0 overflow-hidden rounded-lg bg-zinc-900">{path.coverImageUrl ? <img src={path.coverImageUrl} alt="" className="h-full w-full object-cover" /> : <FolderKanban className="m-3 h-6 w-6 text-orange-400" />}</div><div className="min-w-0 flex-1"><p className="truncate font-semibold text-white">{path.title}</p><p className="mt-1 text-xs text-gray-500">{path.courses.length} {path.courses.length === 1 ? 'curso' : 'cursos'} · {path.status === 'published' ? 'Publicada' : 'Rascunho'}</p></div><button onClick={() => onEdit(path)} className="rounded-lg border border-white/10 p-2 text-gray-300 hover:bg-white/10" title="Editar"><Pencil className="h-4 w-4" /></button><button onClick={() => void onDelete(path)} className="rounded-lg border border-red-500/20 p-2 text-red-400 hover:bg-red-500/10" title="Excluir"><Trash2 className="h-4 w-4" /></button></div>)}</div></section>;