basic stracture and auth

in memory db :)

apps/admin/src/app/analytics/page.tsx

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+import { AnalyticsDashboard } from '@/components/analytics/AnalyticsDashboard'
+
+export default function AnalyticsPage() {
+  return (
+    <main className="min-h-screen bg-gray-50">
+      <div className="container mx-auto px-4 py-8">
+        <AnalyticsDashboard />
+      </div>
+    </main>
+  )
+}

apps/admin/src/app/api/auth/login/route.ts

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+import { NextRequest, NextResponse } from 'next/server'
+import bcrypt from 'bcryptjs'
+import { users } from '../../../../lib/database'
+
+export async function POST(request: NextRequest) {
+  try {
+    const { email, password } = await request.json()
+
+    if (!email || !password) {
+      return NextResponse.json(
+        { error: 'Email and password are required' },
+        { status: 400 }
+      )
+    }
+
+    const user = users.find(u => u.email === email)
+
+    if (!user) {
+      return NextResponse.json(
+        { error: 'Invalid credentials' },
+        { status: 401 }
+      )
+    }
+
+    const isValidPassword = await bcrypt.compare(password, user.password)
+
+    if (!isValidPassword) {
+      return NextResponse.json(
+        { error: 'Invalid credentials' },
+        { status: 401 }
+      )
+    }
+
+    const { password: _, ...userWithoutPassword } = user
+
+    return NextResponse.json({
+      message: 'Login successful',
+      user: userWithoutPassword
+    })
+  } catch (error) {
+    console.error('Login error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}

apps/admin/src/app/api/auth/register/route.ts

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+import { NextRequest, NextResponse } from 'next/server'
+import bcrypt from 'bcryptjs'
+import { users, clients } from '../../../../lib/database'
+
+export async function POST(request: NextRequest) {
+  try {
+    const { email, password, firstName, lastName, phone } = await request.json()
+
+    if (!email || !password || !firstName || !lastName) {
+      return NextResponse.json(
+        { error: 'Missing required fields' },
+        { status: 400 }
+      )
+    }
+
+    const existingUser = users.find(u => u.email === email)
+
+    if (existingUser) {
+      return NextResponse.json(
+        { error: 'User already exists' },
+        { status: 409 }
+      )
+    }
+
+    const hashedPassword = await bcrypt.hash(password, 10)
+    const userId = Math.random().toString(36).substr(2, 9)
+
+    const newUser = {
+      id: userId,
+      email,
+      firstName,
+      lastName,
+      password: hashedPassword,
+      phone,
+      role: 'client',
+      createdAt: new Date(),
+      updatedAt: new Date(),
+    }
+
+    users.push(newUser)
+
+    const newClient = {
+      id: Math.random().toString(36).substr(2, 9),
+      userId,
+      membershipType: 'basic',
+      membershipStatus: 'active',
+      joinDate: new Date(),
+    }
+
+    clients.push(newClient)
+
+    const { password: _, ...userWithoutPassword } = newUser
+
+    return NextResponse.json(
+      { 
+        message: 'User registered successfully',
+        user: { ...userWithoutPassword, client: newClient }
+      },
+      { status: 201 }
+    )
+  } catch (error) {
+    console.error('Registration error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}
+
+export async function GET() {
+  const usersWithoutPassword = users.map(({ password: _, ...user }) => user)
+  return NextResponse.json({ users: usersWithoutPassword })
+}

apps/admin/src/app/api/users/route.ts

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+import { NextRequest, NextResponse } from 'next/server'
+import { users, clients } from '../../../lib/database'
+
+export async function GET(request: NextRequest) {
+  try {
+    const { searchParams } = new URL(request.url)
+    const role = searchParams.get('role')
+
+    let filteredUsers = users
+
+    if (role) {
+      filteredUsers = users.filter(user => user.role === role)
+    }
+
+    const usersWithClients = filteredUsers.map(({ password: _, ...user }) => {
+      const client = clients.find(c => c.userId === user.id)
+      return { ...user, client }
+    })
+
+    return NextResponse.json({ users: usersWithClients })
+  } catch (error) {
+    console.error('Get users error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}

apps/admin/src/app/globals.css

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;

apps/admin/src/app/layout.tsx

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+import type { Metadata } from 'next'
+import { Inter } from 'next/font/google'
+import './globals.css'
+
+const inter = Inter({ subsets: ['latin'] })
+
+export const metadata: Metadata = {
+  title: 'FitAI Admin',
+  description: 'Fitness management admin dashboard',
+}
+
+export default function RootLayout({
+  children,
+}: {
+  children: React.ReactNode
+}) {
+  return (
+    <html lang="en">
+      <body className={inter.className}>{children}</body>
+    </html>
+  )
+}

apps/admin/src/app/page.tsx

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+'use client'
+
+import Link from 'next/link'
+import { UserManagement } from '@/components/users/UserManagement'
+import { AnalyticsDashboard } from '@/components/analytics/AnalyticsDashboard'
+
+export default function Home() {
+  return (
+    <main className="min-h-screen bg-gray-50">
+      <div className="container mx-auto px-4 py-8">
+        <div className="flex justify-between items-center mb-8">
+          <h1 className="text-4xl font-bold text-gray-900">
+            FitAI Admin Dashboard
+          </h1>
+          <nav className="flex gap-4">
+            <Link 
+              href="/users"
+              className="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition-colors"
+            >
+              User Management
+            </Link>
+            <Link 
+              href="/analytics"
+              className="px-4 py-2 bg-green-600 text-white rounded-md hover:bg-green-700 transition-colors"
+            >
+              Analytics
+            </Link>
+          </nav>
+        </div>
+        
+        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 mb-8">
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-xl font-semibold mb-4">Client Management</h2>
+            <p className="text-gray-600">Manage fitness clients and their profiles</p>
+          </div>
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-xl font-semibold mb-4">Payment Tracking</h2>
+            <p className="text-gray-600">Monitor payments and subscriptions</p>
+          </div>
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-xl font-semibold mb-4">Attendance</h2>
+            <p className="text-gray-600">Track client attendance and habits</p>
+          </div>
+        </div>
+
+        <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-2xl font-semibold mb-6">Recent User Activity</h2>
+            <div className="h-96">
+              <UserManagement />
+            </div>
+          </div>
+          
+          <div className="bg-white rounded-lg shadow p-6">
+            <h2 className="text-2xl font-semibold mb-6">Quick Analytics</h2>
+            <div className="h-96">
+              <AnalyticsDashboard />
+            </div>
+          </div>
+        </div>
+      </div>
+    </main>
+  )
+}

apps/admin/src/app/users/page.tsx

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+import { UserManagement } from '@/components/users/UserManagement'
+
+export default function UsersPage() {
+  return (
+    <main className="min-h-screen bg-gray-50">
+      <div className="container mx-auto px-4 py-8">
+        <UserManagement />
+      </div>
+    </main>
+  )
+}