Files
OpenLearnX/frontend/app/admin/page.tsx
T
2026-01-31 18:40:21 +00:00

1189 lines
45 KiB
TypeScript

'use client'
import React, { useState, useEffect } from 'react'
import { useRouter } from 'next/navigation'
import { Plus, Edit, Trash2, Eye, RefreshCw, BookOpen, List, X } from 'lucide-react'
interface Course {
id: string
title: string
subject: string
description: string
difficulty: string
mentor: string
video_url: string
students: number
status: 'published' | 'draft'
created_at: string
}
interface Module {
id: string
course_id: string
title: string
description: string
order: number
created_at?: string
}
interface Lesson {
id: string
module_id: string
title: string
description: string
video_url: string
order: number
created_at?: string
}
export default function AdminDashboard() {
const [isClient, setIsClient] = useState(false)
const [isAuthenticated, setIsAuthenticated] = useState(false)
const [authChecked, setAuthChecked] = useState(false)
const [courses, setCourses] = useState<Course[]>([])
const [loading, setLoading] = useState(true)
const [showAddForm, setShowAddForm] = useState(false)
const [editingCourse, setEditingCourse] = useState<Course | null>(null)
// Module/Lesson Management State
const [showModulesModal, setShowModulesModal] = useState(false)
const [selectedCourse, setSelectedCourse] = useState<Course | null>(null)
const [modules, setModules] = useState<Module[]>([])
const [lessons, setLessons] = useState<Lesson[]>([])
const [modulesLoading, setModulesLoading] = useState(false)
const [lessonsLoading, setLessonsLoading] = useState(false)
const [errorMessage, setErrorMessage] = useState<string | null>(null)
const [stats, setStats] = useState({
total_courses: 0,
total_lessons: 0,
active_students: 0,
completion_rate: 0
})
const router = useRouter()
// Authentication logic
// Helper function to get admin token from localStorage
const getAdminToken = (): string | null => {
if (typeof window !== 'undefined') {
return localStorage.getItem('admin_token')
}
return null
}
// Helper function to get authorization headers
const getAuthHeaders = (): Record<string, string> => {
const token = getAdminToken()
return {
'Authorization': token ? `Bearer ${token}` : '',
'Content-Type': 'application/json'
}
}
useEffect(() => {
setIsClient(true)
const checkAuth = async () => {
try {
await new Promise(resolve => setTimeout(resolve, 500))
const token = getAdminToken()
if (!token) {
router.push('/admin/login')
return
}
// Verify token with API - no hardcoded secret check
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
headers: { 'Authorization': `Bearer ${token}` }
})
if (response.ok) {
setIsAuthenticated(true)
fetchData()
} else {
localStorage.removeItem('admin_token')
router.push('/admin/login')
}
} catch (apiError) {
// If API is unavailable, don't allow access without verification
localStorage.removeItem('admin_token')
router.push('/admin/login')
}
} catch (error) {
router.push('/admin/login')
} finally {
setAuthChecked(true)
}
}
checkAuth()
}, [router])
const fetchData = async () => {
await Promise.all([fetchCourses(), fetchStats()])
}
const fetchCourses = async () => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
headers: getAuthHeaders()
})
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`)
}
const data = await response.json()
if (Array.isArray(data)) {
setCourses(data)
} else {
setCourses([])
}
} catch (error) {
setCourses([])
} finally {
setLoading(false)
}
}
const fetchStats = async () => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/dashboard', {
headers: getAuthHeaders()
})
if (response.ok) {
const data = await response.json()
setStats(data)
}
} catch (error) {
// Silent fail for stats
}
}
// ✅ FIXED: Module fetching - the key fix here
const fetchModules = async (courseId: string) => {
setModulesLoading(true)
setErrorMessage(null)
try {
console.log('🔍 Fetching modules for course:', courseId) // Debug log
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${courseId}/modules`, {
headers: getAuthHeaders()
})
console.log('🔍 Modules response status:', response.status) // Debug log
if (response.ok) {
const data = await response.json()
console.log('🔍 Modules response data:', data) // Debug log
// ✅ FIXED: Proper handling of modules response
let modulesList: Module[] = []
if (data.modules && Array.isArray(data.modules)) {
modulesList = data.modules
} else if (Array.isArray(data)) {
modulesList = data
} else if (data.success && data.data && Array.isArray(data.data)) {
modulesList = data.data
}
console.log('🔍 Setting modules:', modulesList) // Debug log
setModules(modulesList)
} else {
console.error('❌ Failed to fetch modules:', response.status)
setModules([])
setErrorMessage(`Failed to load modules: ${response.status}`)
}
} catch (error) {
console.error('❌ Network error fetching modules:', error)
setModules([])
setErrorMessage('Network error loading modules')
} finally {
setModulesLoading(false)
}
}
// ✅ FIXED: Lesson fetching - the key fix here
const fetchLessons = async (moduleId: string) => {
setLessonsLoading(true)
setErrorMessage(null)
try {
console.log('🔍 Fetching lessons for module:', moduleId) // Debug log
const response = await fetch(`http://127.0.0.1:5000/api/admin/modules/${moduleId}/lessons`, {
headers: getAuthHeaders()
})
console.log('🔍 Lessons response status:', response.status) // Debug log
if (response.ok) {
const data = await response.json()
console.log('🔍 Lessons response data:', data) // Debug log
// ✅ FIXED: Proper handling of lessons response
let lessonsList: Lesson[] = []
if (data.lessons && Array.isArray(data.lessons)) {
lessonsList = data.lessons
} else if (Array.isArray(data)) {
lessonsList = data
} else if (data.success && data.data && Array.isArray(data.data)) {
lessonsList = data.data
}
console.log('🔍 Setting lessons:', lessonsList) // Debug log
setLessons(lessonsList)
} else {
console.error('❌ Failed to fetch lessons:', response.status)
setLessons([])
setErrorMessage(`Failed to load lessons: ${response.status}`)
}
} catch (error) {
console.error('❌ Network error fetching lessons:', error)
setLessons([])
setErrorMessage('Network error loading lessons')
} finally {
setLessonsLoading(false)
}
}
// Course CRUD operations
const handleCreateCourse = async (formData: any) => {
try {
const response = await fetch('http://127.0.0.1:5000/api/admin/courses', {
method: 'POST',
headers: getAuthHeaders(),
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchData()
setShowAddForm(false)
alert('Course created successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error || 'Failed to create course'}`)
}
} catch (error) {
alert('Failed to create course')
}
}
const handleUpdateCourse = async (courseId: string, formData: any) => {
try {
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${courseId}`, {
method: 'PUT',
headers: getAuthHeaders(),
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchData()
setEditingCourse(null)
alert('Course updated successfully!')
} else {
alert('Failed to update course')
}
} catch (error) {
alert('Failed to update course')
}
}
const handleDeleteCourse = async (courseId: string) => {
if (confirm('Are you sure you want to delete this course?')) {
try {
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${courseId}`, {
method: 'DELETE',
headers: getAuthHeaders()
})
if (response.ok) {
await fetchData()
alert('Course deleted successfully!')
} else {
alert('Failed to delete course')
}
} catch (error) {
alert('Failed to delete course')
}
}
}
// Module/Lesson Management
const openModulesManager = async (course: Course) => {
console.log('🔍 Opening modules manager for course:', course.id)
setSelectedCourse(course)
setShowModulesModal(true)
setModules([])
setLessons([])
setErrorMessage(null)
await fetchModules(course.id)
}
const handleCreateModule = async (formData: any) => {
try {
console.log('🔍 Creating module with data:', formData)
const response = await fetch(`http://127.0.0.1:5000/api/admin/courses/${selectedCourse?.id}/modules`, {
method: 'POST',
headers: getAuthHeaders(),
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchModules(selectedCourse!.id)
alert('Module created successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error || 'Failed to create module'}`)
}
} catch (error) {
alert('Failed to create module')
}
}
const handleCreateLesson = async (moduleId: string, formData: any) => {
try {
console.log('🔍 Creating lesson for module:', moduleId, 'with data:', formData)
const response = await fetch(`http://127.0.0.1:5000/api/admin/modules/${moduleId}/lessons`, {
method: 'POST',
headers: getAuthHeaders(),
body: JSON.stringify(formData)
})
if (response.ok) {
await fetchLessons(moduleId)
alert('Lesson created successfully!')
} else {
const error = await response.json()
alert(`Error: ${error.error || 'Failed to create lesson'}`)
}
} catch (error) {
alert('Failed to create lesson')
}
}
const handleLogout = () => {
localStorage.removeItem('admin_token')
router.push('/')
}
if (!isClient || !authChecked) {
return (
<div className="min-h-screen flex items-center justify-center">
<div className="text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Checking authentication...</p>
</div>
</div>
)
}
if (!isAuthenticated) {
return (
<div className="min-h-screen flex items-center justify-center">
<div className="text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Redirecting to login...</p>
</div>
</div>
)
}
return (
<div className="min-h-screen bg-gray-50">
{/* Header */}
<div className="bg-white shadow border-b">
<div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
<div className="flex justify-between items-center h-16">
<div className="flex items-center space-x-4">
<div className="w-8 h-8 bg-blue-600 rounded-lg flex items-center justify-center">
<span className="text-white font-bold text-sm">OL</span>
</div>
<h1 className="text-xl font-bold text-gray-900">OpenLearnX Admin Panel</h1>
<span className="bg-green-100 text-green-800 px-2 py-1 rounded-full text-xs font-medium">
DYNAMIC
</span>
</div>
<div className="flex items-center space-x-4">
<button
onClick={fetchData}
className="p-2 text-gray-600 hover:text-gray-900 hover:bg-gray-100 rounded-md"
title="Refresh Data"
>
<RefreshCw className="h-4 w-4" />
</button>
<span className="text-gray-600">Welcome, Admin! 👋</span>
<button
onClick={handleLogout}
className="bg-red-600 hover:bg-red-700 text-white px-4 py-2 rounded text-sm"
>
Logout
</button>
</div>
</div>
</div>
</div>
<div className="max-w-7xl mx-auto py-6 sm:px-6 lg:px-8">
<div className="px-4 py-6 sm:px-0">
{/* Error Display */}
{errorMessage && (
<div className="mb-4 bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative">
<span className="block sm:inline">{errorMessage}</span>
<button
onClick={() => setErrorMessage(null)}
className="absolute top-0 bottom-0 right-0 px-4 py-3"
>
<X className="h-4 w-4" />
</button>
</div>
)}
{/* Action Buttons */}
<div className="flex justify-between items-center mb-6">
<div>
<h2 className="text-2xl font-bold text-gray-900">Course Management</h2>
<p className="text-gray-600">Manage courses, modules, and lessons</p>
</div>
<div className="flex space-x-3">
<button
onClick={() => setShowAddForm(true)}
className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded-lg flex items-center space-x-2"
>
<Plus className="h-4 w-4" />
<span>Add New Course</span>
</button>
</div>
</div>
{/* Stats Cards */}
<div className="grid grid-cols-1 md:grid-cols-4 gap-6 mb-8">
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Total Courses</h3>
<p className="text-2xl font-bold text-blue-600">{stats.total_courses}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Active Students</h3>
<p className="text-2xl font-bold text-green-600">{stats.active_students}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Total Lessons</h3>
<p className="text-2xl font-bold text-purple-600">{stats.total_lessons}</p>
</div>
<div className="bg-white p-6 rounded-lg shadow">
<h3 className="text-sm font-medium text-gray-500">Completion Rate</h3>
<p className="text-2xl font-bold text-orange-600">{stats.completion_rate}%</p>
</div>
</div>
{/* Course Table */}
<div className="bg-white rounded-lg shadow overflow-hidden">
<div className="px-6 py-4 border-b border-gray-200">
<h3 className="text-lg font-semibold text-gray-900">All Courses</h3>
</div>
{loading ? (
<div className="p-8 text-center">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto"></div>
<p className="mt-2 text-gray-600">Loading courses...</p>
</div>
) : courses.length === 0 ? (
<div className="p-8 text-center">
<p className="text-gray-500 mb-4">No courses found.</p>
</div>
) : (
<div className="overflow-x-auto">
<table className="min-w-full divide-y divide-gray-200">
<thead className="bg-gray-50">
<tr>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Course
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Mentor
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Students
</th>
<th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">
Actions
</th>
</tr>
</thead>
<tbody className="bg-white divide-y divide-gray-200">
{courses.map((course) => (
<tr key={course.id} className="hover:bg-gray-50">
<td className="px-6 py-4 whitespace-nowrap">
<div>
<div className="text-sm font-medium text-gray-900">
{course.title}
</div>
<div className="text-sm text-gray-500">
{course.subject} {course.difficulty}
</div>
</div>
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{course.mentor}
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">
{course.students?.toLocaleString() || 0}
</td>
<td className="px-6 py-4 whitespace-nowrap text-sm font-medium">
<div className="flex space-x-2">
<button
onClick={() => window.open(`/courses/${course.id}`, '_blank')}
className="text-blue-600 hover:text-blue-900"
title="View Course"
>
<Eye className="h-4 w-4" />
</button>
<button
onClick={() => setEditingCourse(course)}
className="text-green-600 hover:text-green-900"
title="Edit Course"
>
<Edit className="h-4 w-4" />
</button>
<button
onClick={() => handleDeleteCourse(course.id)}
className="text-red-600 hover:text-red-900"
title="Delete Course"
>
<Trash2 className="h-4 w-4" />
</button>
<button
onClick={() => openModulesManager(course)}
className="text-purple-600 hover:text-purple-900"
title="Manage Modules & Lessons"
>
<BookOpen className="h-4 w-4" />
</button>
</div>
</td>
</tr>
))}
</tbody>
</table>
</div>
)}
</div>
</div>
</div>
{/* Course Form Modal */}
{showAddForm && (
<CourseFormModal
title="Add New Course"
onClose={() => setShowAddForm(false)}
onSubmit={handleCreateCourse}
/>
)}
{editingCourse && (
<CourseFormModal
title="Edit Course"
course={editingCourse}
onClose={() => setEditingCourse(null)}
onSubmit={(data) => handleUpdateCourse(editingCourse.id, data)}
/>
)}
{/* ✅ FIXED: Modules & Lessons Modal */}
{showModulesModal && selectedCourse && (
<ModulesLessonsModal
course={selectedCourse}
modules={modules}
lessons={lessons}
modulesLoading={modulesLoading}
lessonsLoading={lessonsLoading}
onClose={() => {
setShowModulesModal(false)
setSelectedCourse(null)
setModules([])
setLessons([])
setErrorMessage(null)
}}
onCreateModule={handleCreateModule}
onCreateLesson={handleCreateLesson}
onFetchLessons={fetchLessons}
onRefreshModules={() => fetchModules(selectedCourse.id)}
/>
)}
</div>
)
}
// ✅ FIXED: Enhanced Modules & Lessons Modal with better debugging
function ModulesLessonsModal({
course,
modules,
lessons,
modulesLoading,
lessonsLoading,
onClose,
onCreateModule,
onCreateLesson,
onFetchLessons,
onRefreshModules
}: {
course: Course
modules: Module[]
lessons: Lesson[]
modulesLoading: boolean
lessonsLoading: boolean
onClose: () => void
onCreateModule: (data: any) => void
onCreateLesson: (moduleId: string, data: any) => void
onFetchLessons: (moduleId: string) => void
onRefreshModules: () => void
}) {
const [activeTab, setActiveTab] = useState<'modules' | 'lessons'>('modules')
const [showModuleForm, setShowModuleForm] = useState(false)
const [showLessonForm, setShowLessonForm] = useState(false)
const [selectedModuleId, setSelectedModuleId] = useState<string | null>(null)
const [moduleFormData, setModuleFormData] = useState({ title: '', description: '', order: 1 })
const [lessonFormData, setLessonFormData] = useState({ title: '', description: '', video_url: '', order: 1 })
const handleModuleSubmit = (e: React.FormEvent) => {
e.preventDefault()
onCreateModule(moduleFormData)
setModuleFormData({ title: '', description: '', order: 1 })
setShowModuleForm(false)
}
const handleLessonSubmit = (e: React.FormEvent) => {
e.preventDefault()
console.log('🔍 Creating lesson for module ID:', selectedModuleId) // Debug log
console.log('🔍 Lesson form data:', lessonFormData) // Debug log
if (selectedModuleId) {
onCreateLesson(selectedModuleId, lessonFormData)
setLessonFormData({ title: '', description: '', video_url: '', order: 1 })
setShowLessonForm(false)
}
}
// ✅ FIXED: Enhanced module selection with better debugging
const handleSelectModule = (moduleId: string) => {
console.log('🔍 Selecting module with ID:', moduleId) // Debug log
console.log('🔍 Available modules:', modules) // Debug log
setSelectedModuleId(moduleId)
onFetchLessons(moduleId)
setActiveTab('lessons')
}
return (
<div className="fixed inset-0 bg-gray-600 bg-opacity-50 flex items-center justify-center z-50">
<div className="bg-white rounded-lg shadow-xl w-full max-w-5xl m-4 max-h-[90vh] overflow-y-auto">
<div className="px-6 py-4 border-b border-gray-200 flex justify-between items-center">
<div className="flex items-center space-x-4">
<h3 className="text-lg font-semibold text-gray-900">
Manage: {course.title}
</h3>
<button
onClick={onRefreshModules}
className="p-1 text-gray-500 hover:text-gray-700 rounded"
title="Refresh Modules"
>
<RefreshCw className="w-4 h-4" />
</button>
</div>
<button
onClick={onClose}
className="text-gray-400 hover:text-gray-600"
>
<X className="w-5 h-5" />
</button>
</div>
<div className="p-6">
{/* Tab Navigation */}
<div className="flex border-b border-gray-200 mb-6">
<button
className={`py-2 px-4 ${activeTab === 'modules' ? 'border-b-2 border-blue-500 text-blue-600' : 'text-gray-500'}`}
onClick={() => setActiveTab('modules')}
>
Modules ({modules.length})
</button>
<button
className={`py-2 px-4 ml-4 ${activeTab === 'lessons' ? 'border-b-2 border-blue-500 text-blue-600' : 'text-gray-500'}`}
onClick={() => setActiveTab('lessons')}
>
Lessons ({lessons.length})
</button>
</div>
{/* ✅ DEBUG INFO - Remove after fixing */}
<div className="mb-4 p-3 bg-gray-100 rounded text-xs">
<p><strong>Debug Info:</strong></p>
<p>Selected Module ID: {selectedModuleId || 'None'}</p>
<p>Modules Count: {modules.length}</p>
<p>Lessons Count: {lessons.length}</p>
<p>Active Tab: {activeTab}</p>
</div>
{/* Modules Tab */}
{activeTab === 'modules' && (
<div>
<div className="flex justify-between items-center mb-4">
<h4 className="text-lg font-semibold">Course Modules</h4>
<button
onClick={() => setShowModuleForm(true)}
className="bg-blue-600 text-white px-4 py-2 rounded hover:bg-blue-700 flex items-center space-x-2"
>
<Plus className="w-4 h-4" />
<span>Add Module</span>
</button>
</div>
{modulesLoading ? (
<div className="text-center py-8">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600 mx-auto mb-2"></div>
<p className="text-gray-600">Loading modules...</p>
</div>
) : modules.length === 0 ? (
<div className="text-center py-8">
<p className="text-gray-500 mb-4">No modules found for this course.</p>
<p className="text-sm text-gray-400">Click "Add Module" to create your first module.</p>
</div>
) : (
<div className="space-y-3">
{modules.map((module, index) => (
<div key={module.id || index} className="border rounded-lg p-4 hover:bg-gray-50">
<div className="flex justify-between items-start">
<div className="flex-1">
<h5 className="font-semibold text-gray-900">{module.title}</h5>
<p className="text-gray-600 text-sm mt-1">{module.description}</p>
<p className="text-xs text-gray-400 mt-1">Order: {module.order} | ID: {module.id}</p>
</div>
<div className="flex space-x-2">
<button
onClick={() => handleSelectModule(module.id)}
className="text-blue-600 hover:text-blue-800 text-sm p-1"
title="View Lessons"
>
<List className="w-4 h-4" />
</button>
<button
className="text-green-600 hover:text-green-800 text-sm p-1"
title="Edit Module"
>
<Edit className="w-4 h-4" />
</button>
<button
className="text-red-600 hover:text-red-800 text-sm p-1"
title="Delete Module"
>
<Trash2 className="w-4 h-4" />
</button>
</div>
</div>
</div>
))}
</div>
)}
{/* Module Form */}
{showModuleForm && (
<div className="mt-6 border-t pt-6">
<h5 className="font-semibold mb-4">Add New Module</h5>
<form onSubmit={handleModuleSubmit} className="space-y-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Module Title *
</label>
<input
type="text"
required
value={moduleFormData.title}
onChange={(e) => setModuleFormData({...moduleFormData, title: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="e.g., Introduction to Python"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Description
</label>
<textarea
value={moduleFormData.description}
onChange={(e) => setModuleFormData({...moduleFormData, description: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
rows={3}
placeholder="Module description..."
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Order
</label>
<input
type="number"
min={1}
value={moduleFormData.order}
onChange={(e) => setModuleFormData({...moduleFormData, order: parseInt(e.target.value) || 1})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
/>
</div>
<div className="flex space-x-3">
<button
type="submit"
className="bg-blue-600 text-white px-4 py-2 rounded hover:bg-blue-700"
>
Create Module
</button>
<button
type="button"
onClick={() => setShowModuleForm(false)}
className="bg-gray-300 text-gray-700 px-4 py-2 rounded hover:bg-gray-400"
>
Cancel
</button>
</div>
</form>
</div>
)}
</div>
)}
{/* Lessons Tab */}
{activeTab === 'lessons' && (
<div>
<div className="flex justify-between items-center mb-4">
<h4 className="text-lg font-semibold">
Lessons {selectedModuleId ? `(${modules.find(m => m.id === selectedModuleId)?.title})` : ''}
</h4>
<button
onClick={() => setShowLessonForm(true)}
disabled={!selectedModuleId}
className="bg-purple-600 text-white px-4 py-2 rounded hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center space-x-2"
>
<Plus className="w-4 h-4" />
<span>Add Lesson</span>
</button>
</div>
{!selectedModuleId ? (
<div className="text-center py-8">
<p className="text-gray-500">Select a module from the Modules tab to view/add lessons</p>
</div>
) : lessonsLoading ? (
<div className="text-center py-8">
<div className="animate-spin rounded-full h-8 w-8 border-b-2 border-purple-600 mx-auto mb-2"></div>
<p className="text-gray-600">Loading lessons...</p>
</div>
) : lessons.length === 0 ? (
<div className="text-center py-8">
<p className="text-gray-500 mb-4">No lessons found for this module.</p>
<p className="text-sm text-gray-400">Click "Add Lesson" to create your first lesson.</p>
</div>
) : (
<div className="space-y-3">
{lessons.map((lesson, index) => (
<div key={lesson.id || index} className="border rounded-lg p-4 hover:bg-gray-50">
<div className="flex justify-between items-start">
<div className="flex-1">
<h5 className="font-semibold text-gray-900">{lesson.title}</h5>
<p className="text-gray-600 text-sm mt-1">{lesson.description}</p>
<div className="flex items-center space-x-4 mt-2">
<p className="text-xs text-gray-400">Order: {lesson.order}</p>
<p className="text-xs text-gray-400">ID: {lesson.id}</p>
{lesson.video_url && (
<a
href={lesson.video_url}
target="_blank"
rel="noopener noreferrer"
className="text-blue-600 text-xs hover:underline"
>
📹 Video Link
</a>
)}
</div>
</div>
<div className="flex space-x-2">
<button
className="text-green-600 hover:text-green-800 text-sm p-1"
title="Edit Lesson"
>
<Edit className="w-4 h-4" />
</button>
<button
className="text-red-600 hover:text-red-800 text-sm p-1"
title="Delete Lesson"
>
<Trash2 className="w-4 h-4" />
</button>
</div>
</div>
</div>
))}
</div>
)}
{/* Lesson Form */}
{showLessonForm && selectedModuleId && (
<div className="mt-6 border-t pt-6">
<h5 className="font-semibold mb-4">Add New Lesson</h5>
<form onSubmit={handleLessonSubmit} className="space-y-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Lesson Title *
</label>
<input
type="text"
required
value={lessonFormData.title}
onChange={(e) => setLessonFormData({...lessonFormData, title: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500"
placeholder="e.g., Variables and Data Types"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Description
</label>
<textarea
value={lessonFormData.description}
onChange={(e) => setLessonFormData({...lessonFormData, description: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500"
rows={3}
placeholder="Lesson description..."
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Video URL
</label>
<input
type="url"
value={lessonFormData.video_url}
onChange={(e) => setLessonFormData({...lessonFormData, video_url: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500"
placeholder="https://youtu.be/..."
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Order
</label>
<input
type="number"
min={1}
value={lessonFormData.order}
onChange={(e) => setLessonFormData({...lessonFormData, order: parseInt(e.target.value) || 1})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-purple-500"
/>
</div>
<div className="flex space-x-3">
<button
type="submit"
className="bg-purple-600 text-white px-4 py-2 rounded hover:bg-purple-700"
>
Create Lesson
</button>
<button
type="button"
onClick={() => setShowLessonForm(false)}
className="bg-gray-300 text-gray-700 px-4 py-2 rounded hover:bg-gray-400"
>
Cancel
</button>
</div>
</form>
</div>
)}
</div>
)}
</div>
</div>
</div>
)
}
// Course Form Modal (unchanged)
function CourseFormModal({
title,
course,
onClose,
onSubmit
}: {
title: string
course?: Course
onClose: () => void
onSubmit: (data: any) => void
}) {
const [formData, setFormData] = useState({
title: course?.title || '',
subject: course?.subject || 'Programming',
description: course?.description || '',
difficulty: course?.difficulty || 'Beginner',
mentor: course?.mentor || 'Admin',
video_url: course?.video_url || ''
})
const handleSubmit = (e: React.FormEvent) => {
e.preventDefault()
onSubmit(formData)
}
const getEmbedUrl = (videoUrl: string) => {
if (!videoUrl) return null
let videoId = ''
if (videoUrl.includes('youtu.be/')) {
videoId = videoUrl.split('youtu.be/')[1]?.split('?')[0]
} else if (videoUrl.includes('youtube.com/watch?v=')) {
videoId = videoUrl.split('v=')[1]?.split('&')[0]
} else if (videoUrl.includes('youtube.com/embed/')) {
return videoUrl
}
return videoId ? `https://www.youtube.com/embed/${videoId}?rel=0&modestbranding=1` : null
}
return (
<div className="fixed inset-0 bg-gray-600 bg-opacity-50 flex items-center justify-center z-50">
<div className="bg-white rounded-lg shadow-xl w-full max-w-2xl m-4 max-h-screen overflow-y-auto">
<div className="px-6 py-4 border-b border-gray-200">
<h3 className="text-lg font-semibold text-gray-900">{title}</h3>
</div>
<form onSubmit={handleSubmit} className="p-6 space-y-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Course Title *
</label>
<input
type="text"
required
value={formData.title}
onChange={(e) => setFormData({...formData, title: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="e.g., Advanced React Development"
/>
</div>
<div className="grid grid-cols-2 gap-4">
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Subject *
</label>
<select
value={formData.subject}
onChange={(e) => setFormData({...formData, subject: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
>
<option value="Programming">Programming</option>
<option value="Cybersecurity">Cybersecurity</option>
<option value="Web Development">Web Development</option>
<option value="Data Science">Data Science</option>
<option value="Mobile Development">Mobile Development</option>
<option value="DevOps">DevOps</option>
</select>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Difficulty *
</label>
<select
value={formData.difficulty}
onChange={(e) => setFormData({...formData, difficulty: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
>
<option value="Beginner">Beginner</option>
<option value="Intermediate">Intermediate</option>
<option value="Advanced">Advanced</option>
<option value="Expert">Expert</option>
<option value="Beginner to Advanced">Beginner to Advanced</option>
</select>
</div>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Mentor *
</label>
<input
type="text"
required
value={formData.mentor}
onChange={(e) => setFormData({...formData, mentor: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="Instructor name"
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Description *
</label>
<textarea
required
rows={3}
value={formData.description}
onChange={(e) => setFormData({...formData, description: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="Course description..."
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
YouTube Video URL
</label>
<input
type="url"
value={formData.video_url}
onChange={(e) => setFormData({...formData, video_url: e.target.value})}
className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
placeholder="https://youtu.be/..."
/>
</div>
{/* Video Preview */}
{formData.video_url && (
<div>
<label className="block text-sm font-medium text-gray-700 mb-2">
Video Preview
</label>
<div className="aspect-video rounded-lg overflow-hidden bg-gray-100">
<iframe
src={getEmbedUrl(formData.video_url) || ''}
title="Video Preview"
className="w-full h-full"
allowFullScreen
/>
</div>
</div>
)}
<div className="flex justify-end space-x-3 pt-4 border-t">
<button
type="button"
onClick={onClose}
className="px-4 py-2 text-gray-700 border border-gray-300 rounded-md hover:bg-gray-50"
>
Cancel
</button>
<button
type="submit"
className="px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700"
>
{course ? 'Update Course' : 'Create Course'}
</button>
</div>
</form>
</div>
</div>
)
}