Refactor code structure and remove redundant sections for improved readability and maintainability

app/api/admin/login/route.js

@@ -0,0 +1,29 @@
+import { NextResponse } from 'next/server';
+import {
+  ADMIN_COOKIE,
+  createAdminSessionToken,
+  isValidAdminCredentials
+} from '../../../../lib/auth';
+
+export async function POST(request) {
+  const body = await request.json().catch(() => ({}));
+  const username = body.username || '';
+  const password = body.password || '';
+
+  if (!isValidAdminCredentials(username, password)) {
+    return NextResponse.json({ error: 'Identifiants invalides.' }, { status: 401 });
+  }
+
+  const response = NextResponse.json({ ok: true });
+  response.cookies.set({
+    name: ADMIN_COOKIE,
+    value: createAdminSessionToken(),
+    httpOnly: true,
+    sameSite: 'strict',
+    secure: process.env.NODE_ENV === 'production',
+    path: '/',
+    maxAge: 60 * 60 * 12
+  });
+
+  return response;
+}

app/api/admin/logout/route.js

@@ -0,0 +1,15 @@
+import { NextResponse } from 'next/server';
+import { ADMIN_COOKIE } from '../../../../lib/auth';
+
+export async function POST() {
+  const response = NextResponse.json({ ok: true });
+  response.cookies.set({
+    name: ADMIN_COOKIE,
+    value: '',
+    path: '/',
+    httpOnly: true,
+    sameSite: 'strict',
+    maxAge: 0
+  });
+  return response;
+}

app/api/admin/session/route.js

@@ -0,0 +1,6 @@
+import { NextResponse } from 'next/server';
+import { isAdminRequest } from '../../../../lib/auth';
+
+export async function GET(request) {
+  return NextResponse.json({ authenticated: isAdminRequest(request) });
+}

app/api/analytics/click/route.js

@@ -0,0 +1,14 @@
+import { NextResponse } from 'next/server';
+import { incrementClick } from '../../../../lib/storage';
+
+export async function POST(request) {
+  const body = await request.json().catch(() => ({}));
+  const linkId = body.linkId;
+
+  if (!linkId) {
+    return NextResponse.json({ error: 'linkId requis.' }, { status: 400 });
+  }
+
+  await incrementClick(linkId);
+  return NextResponse.json({ ok: true });
+}

app/api/analytics/route.js

@@ -0,0 +1,12 @@
+import { NextResponse } from 'next/server';
+import { getAnalyticsForLinks } from '../../../lib/storage';
+import { isAdminRequest } from '../../../lib/auth';
+
+export async function GET(request) {
+  if (!isAdminRequest(request)) {
+    return NextResponse.json({ error: 'Non autorisé.' }, { status: 401 });
+  }
+
+  const analytics = await getAnalyticsForLinks();
+  return NextResponse.json({ analytics });
+}

app/api/links/[id]/route.js

@@ -0,0 +1,17 @@
+import { NextResponse } from 'next/server';
+import { removeLink } from '../../../../lib/storage';
+import { isAdminRequest } from '../../../../lib/auth';
+
+export async function DELETE(request, { params }) {
+  if (!isAdminRequest(request)) {
+    return NextResponse.json({ error: 'Non autorisé.' }, { status: 401 });
+  }
+
+  const { id } = await params;
+  const deleted = await removeLink(id);
+  if (!deleted) {
+    return NextResponse.json({ error: 'Lien introuvable.' }, { status: 404 });
+  }
+
+  return NextResponse.json({ ok: true });
+}

app/api/links/route.js

@@ -0,0 +1,25 @@
+import { NextResponse } from 'next/server';
+import { addLink, getLinks } from '../../../lib/storage';
+import { isAdminRequest } from '../../../lib/auth';
+
+export async function GET() {
+  const links = await getLinks();
+  return NextResponse.json({ links });
+}
+
+export async function POST(request) {
+  if (!isAdminRequest(request)) {
+    return NextResponse.json({ error: 'Non autorisé.' }, { status: 401 });
+  }
+
+  const payload = await request.json().catch(() => ({}));
+  const required = ['name', 'url'];
+  const missing = required.some((field) => !payload[field]);
+
+  if (missing) {
+    return NextResponse.json({ error: 'Nom et URL sont obligatoires.' }, { status: 400 });
+  }
+
+  const created = await addLink(payload);
+  return NextResponse.json({ link: created }, { status: 201 });
+}