Files
OpenLearnX/frontend/components/certificate-modal.tsx
T
2025-07-29 20:43:52 +05:30

573 lines
22 KiB
TypeScript

"use client"
import { useState } from "react"
import { X, Download, Share2, Award, Calendar, User, BookOpen, Wallet, CheckCircle } from "lucide-react"
import { toast } from "react-hot-toast"
interface Certificate {
certificate_id: string
token_id?: string
user_name: string
course_title: string
mentor_name: string
completion_date: string
wallet_address?: string
verification_url?: string
share_code?: string
public_url?: string
unique_url?: string
message?: string
}
interface CertificateModalProps {
isOpen: boolean
onClose: () => void
courseTitle: string
courseMentor: string
courseId: string
userId: string
walletId: string
}
export function CertificateModal({
isOpen,
onClose,
courseTitle,
courseMentor,
courseId,
userId,
walletId
}: CertificateModalProps) {
const [step, setStep] = useState<'input' | 'generating' | 'completed'>('input')
const [userName, setUserName] = useState('')
const [certificate, setCertificate] = useState<Certificate | null>(null)
const [loading, setLoading] = useState(false)
if (!isOpen) return null
const handleGenerateCertificate = async () => {
if (!userName.trim()) {
toast.error("Please enter your name")
return
}
setLoading(true)
setStep('generating')
try {
console.log('🎓 Generating certificate for STUDENT:', userName.trim())
const response = await fetch('http://127.0.0.1:5000/api/certificate/mint', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({
user_name: userName.trim(),
course_id: courseId,
wallet_id: walletId,
user_id: userId,
course_title: courseTitle
})
})
if (response.ok) {
const data = await response.json()
console.log('✅ Certificate API response:', data)
const certificateData = data.certificate
const certificateWithWallet = {
certificate_id: certificateData.certificate_id,
token_id: certificateData.token_id,
user_name: certificateData.user_name,
course_title: certificateData.course_title,
mentor_name: certificateData.mentor_name,
completion_date: certificateData.completion_date,
wallet_address: walletId,
verification_url: certificateData.verification_url,
share_code: certificateData.share_code,
public_url: certificateData.public_url,
unique_url: certificateData.unique_url,
message: certificateData.message
}
console.log('🎯 Certificate data:', certificateWithWallet)
console.log('🆔 Unique Certificate ID:', certificateWithWallet.certificate_id)
setCertificate(certificateWithWallet)
setStep('completed')
toast.success(`Certificate generated for ${certificateWithWallet.user_name}! 🎉`)
} else {
const error = await response.json()
console.error('❌ Certificate error:', error)
toast.error(error.error || "Failed to generate certificate")
setStep('input')
}
} catch (error) {
console.error('❌ Certificate generation error:', error)
toast.error("Failed to generate certificate. Please check your connection.")
setStep('input')
} finally {
setLoading(false)
}
}
const handleDownloadCertificate = async () => {
if (!certificate) return
try {
const certificateHTML = `
<!DOCTYPE html>
<html>
<head>
<title>Certificate - ${certificate.user_name}</title>
<meta charset="UTF-8">
<style>
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Inter:wght@400;500;600&display=swap');
body {
font-family: 'Inter', sans-serif;
margin: 0;
padding: 40px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}
.certificate {
background: white;
max-width: 800px;
width: 100%;
margin: 0 auto;
padding: 60px;
border-radius: 20px;
box-shadow: 0 25px 50px rgba(0,0,0,0.15);
text-align: center;
position: relative;
border: 8px solid #4f46e5;
}
.title {
font-family: 'Playfair Display', serif;
font-size: 42px;
font-weight: 700;
color: #4f46e5;
margin: 20px 0;
}
.student-name {
font-family: 'Playfair Display', serif;
font-size: 48px;
color: #1f2937;
font-weight: 700;
margin: 40px 0;
padding: 20px 0;
border-top: 3px solid #4f46e5;
border-bottom: 3px solid #4f46e5;
text-transform: capitalize;
}
.course-title {
font-family: 'Playfair Display', serif;
font-size: 28px;
color: #1f2937;
margin: 20px 0;
font-weight: 600;
font-style: italic;
}
.wallet-container {
background: #f3f4f6;
border: 2px dashed #9333ea;
border-radius: 12px;
padding: 15px;
margin: 25px auto;
max-width: 500px;
}
.wallet-address {
font-size: 14px;
color: #7c3aed;
font-family: 'Courier New', monospace;
font-weight: 600;
word-break: break-all;
}
.date {
font-size: 16px;
color: #374151;
margin: 20px 0;
font-weight: 500;
}
.mentor-section {
margin-top: 50px;
padding-top: 30px;
border-top: 2px solid #e5e7eb;
}
.mentor-name {
font-size: 18px;
color: #1f2937;
font-weight: 600;
}
.cert-id {
font-size: 14px;
color: #9ca3af;
margin-top: 20px;
font-family: 'Courier New', monospace;
background: #f9fafb;
padding: 10px;
border-radius: 8px;
border: 1px solid #e5e7eb;
}
</style>
</head>
<body>
<div class="certificate">
<div style="font-size: 60px; margin-bottom: 20px;">🏆</div>
<h1 class="title">CERTIFICATE OF COMPLETION</h1>
<div style="font-size: 18px; color: #6b7280; margin-bottom: 30px;">This is to certify that</div>
<div class="student-name">${certificate.user_name}</div>
<div class="wallet-container">
<div style="font-size: 14px; color: #374151; margin-bottom: 8px; font-weight: 600;">Blockchain Wallet Address</div>
<div class="wallet-address">${certificate.wallet_address}</div>
</div>
<div style="font-size: 18px; color: #6b7280; margin-bottom: 20px;">has successfully completed the course</div>
<div class="course-title">"${certificate.course_title}"</div>
<div class="date">✅ Completed on: ${new Date(certificate.completion_date).toLocaleDateString('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric'
})}</div>
<div class="mentor-section">
<div style="width: 200px; height: 2px; background: #6b7280; margin: 0 auto 10px auto;"></div>
<div class="mentor-name">${certificate.mentor_name}</div>
<div style="font-size: 14px; color: #6b7280; margin-top: 5px;">Course Instructor</div>
</div>
<div class="cert-id">
<strong>Certificate ID: ${certificate.certificate_id}</strong><br>
OpenLearnX Learning Platform<br>
<span style="color: #7c3aed;">🔒 Blockchain Verified Completion</span>
</div>
</div>
</body>
</html>
`
const printWindow = window.open('', '_blank')
if (printWindow) {
printWindow.document.write(certificateHTML)
printWindow.document.close()
printWindow.onload = () => {
setTimeout(() => {
printWindow.print()
printWindow.close()
}, 500)
}
toast.success("Certificate PDF download initiated!")
} else {
toast.error("Popup blocked. Please allow popups and try again.")
}
} catch (error) {
console.error('PDF generation error:', error)
toast.error("Failed to generate PDF")
}
}
const handleShareCertificate = async () => {
if (!certificate) return
const shareText = `🎓 I just completed "${certificate.course_title}" on OpenLearnX!\n\n👤 Student: ${certificate.user_name}\n🏆 Certificate ID: ${certificate.certificate_id}\n🔗 View: ${certificate.public_url || window.location.origin + certificate.unique_url}\n\n#OpenLearnX #Blockchain #Learning`
if (navigator.share) {
try {
await navigator.share({
title: `Certificate of Completion - ${certificate.course_title}`,
text: shareText,
url: certificate.public_url || `${window.location.origin}${certificate.unique_url}`
})
// Track share
try {
await fetch(`http://127.0.0.1:5000/api/certificate/share/${certificate.certificate_id}`, {
method: 'POST'
})
} catch (e) {
console.log('Share tracking failed:', e)
}
} catch (error) {
console.log('Share cancelled')
}
} else {
try {
await navigator.clipboard.writeText(shareText)
toast.success("Certificate details copied to clipboard!")
// Track share
try {
await fetch(`http://127.0.0.1:5000/api/certificate/share/${certificate.certificate_id}`, {
method: 'POST'
})
} catch (e) {
console.log('Share tracking failed:', e)
}
} catch (error) {
toast.error("Failed to copy certificate details")
}
}
}
const handleClose = () => {
setStep('input')
setUserName('')
setCertificate(null)
setLoading(false)
onClose()
}
return (
<div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
<div className="bg-white rounded-2xl shadow-2xl w-full max-w-2xl max-h-[90vh] overflow-y-auto">
{/* Step 1: Name Input */}
{step === 'input' && (
<>
<div className="px-8 py-6 border-b border-gray-200 flex justify-between items-center">
<div className="flex items-center space-x-3">
<div className="w-10 h-10 bg-gradient-to-r from-purple-500 to-indigo-600 rounded-full flex items-center justify-center">
<Award className="w-6 h-6 text-white" />
</div>
<div>
<h2 className="text-2xl font-bold text-gray-900">Generate Certificate</h2>
<p className="text-gray-600">You've completed the course!</p>
</div>
</div>
<button onClick={handleClose} className="text-gray-400 hover:text-gray-600 transition-colors">
<X className="w-6 h-6" />
</button>
</div>
<div className="p-8">
<div className="text-center mb-8">
<div className="text-6xl mb-4">🎉</div>
<h3 className="text-2xl font-bold text-gray-900 mb-2">Congratulations!</h3>
<p className="text-gray-600">
You have successfully completed <strong>"{courseTitle}"</strong>
</p>
</div>
<div className="bg-gradient-to-r from-purple-50 to-indigo-50 rounded-lg p-6 mb-8">
<h4 className="font-semibold text-gray-900 mb-4">Course Details:</h4>
<div className="space-y-3 text-sm">
<div className="flex items-center text-gray-700">
<BookOpen className="w-4 h-4 mr-3 text-indigo-600" />
<span><strong>Course:</strong> {courseTitle}</span>
</div>
<div className="flex items-center text-gray-700">
<User className="w-4 h-4 mr-3 text-indigo-600" />
<span><strong>Instructor:</strong> {courseMentor}</span>
</div>
<div className="flex items-center text-gray-700">
<Calendar className="w-4 h-4 mr-3 text-indigo-600" />
<span><strong>Completed:</strong> {new Date().toLocaleDateString()}</span>
</div>
<div className="flex items-start text-gray-700">
<Wallet className="w-4 h-4 mr-3 mt-0.5 text-purple-600" />
<div>
<span><strong>Wallet:</strong></span>
<div className="font-mono text-xs text-purple-600 mt-1 break-all">
{walletId}
</div>
</div>
</div>
</div>
</div>
<div className="mb-6">
<label className="block text-sm font-medium text-gray-700 mb-3">
Enter your full name for the certificate: *
</label>
<input
type="text"
value={userName}
onChange={(e) => setUserName(e.target.value)}
placeholder="e.g., John Smith"
className="w-full px-4 py-3 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-transparent text-lg"
autoFocus
maxLength={50}
/>
<div className="flex justify-between items-center mt-2">
<p className="text-xs text-gray-500">
Your name will appear prominently on the certificate.
</p>
<span className="text-xs text-gray-400">
{userName.length}/50
</span>
</div>
</div>
<div className="flex space-x-4">
<button
onClick={handleClose}
className="flex-1 px-6 py-3 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 font-medium transition-colors"
>
Cancel
</button>
<button
onClick={handleGenerateCertificate}
disabled={!userName.trim() || loading}
className="flex-1 px-6 py-3 bg-gradient-to-r from-purple-600 to-indigo-600 text-white rounded-lg hover:from-purple-700 hover:to-indigo-700 disabled:opacity-50 disabled:cursor-not-allowed font-medium transition-all"
>
{loading ? 'Generating...' : 'Generate Certificate'}
</button>
</div>
</div>
</>
)}
{/* Step 2: Generating */}
{step === 'generating' && (
<div className="px-8 py-12 text-center">
<div className="animate-spin rounded-full h-16 w-16 border-b-2 border-indigo-600 mx-auto mb-6"></div>
<h3 className="text-xl font-semibold text-gray-900 mb-2">Generating Your Certificate</h3>
<p className="text-gray-600">Creating unique certificate ID and blockchain verification...</p>
<div className="mt-4 flex items-center justify-center space-x-2 text-sm text-gray-500">
<div className="w-2 h-2 bg-indigo-600 rounded-full animate-bounce"></div>
<div className="w-2 h-2 bg-indigo-600 rounded-full animate-bounce" style={{animationDelay: '0.1s'}}></div>
<div className="w-2 h-2 bg-indigo-600 rounded-full animate-bounce" style={{animationDelay: '0.2s'}}></div>
</div>
</div>
)}
{/* Step 3: Certificate Generated */}
{step === 'completed' && certificate && (
<>
<div className="px-8 py-6 border-b border-gray-200 flex justify-between items-center">
<div className="flex items-center space-x-3">
<div className="w-10 h-10 bg-green-500 rounded-full flex items-center justify-center">
<CheckCircle className="w-6 h-6 text-white" />
</div>
<div>
<h2 className="text-2xl font-bold text-gray-900">Certificate Ready!</h2>
<p className="text-gray-600">For: {certificate.user_name}</p>
</div>
</div>
<button onClick={handleClose} className="text-gray-400 hover:text-gray-600 transition-colors">
<X className="w-6 h-6" />
</button>
</div>
<div className="p-8">
<div className="bg-gradient-to-br from-purple-50 to-indigo-50 border-4 border-indigo-200 rounded-xl p-8 mb-8 text-center relative overflow-hidden">
<div className="absolute top-4 right-4 bg-green-100 text-green-800 px-3 py-1 rounded-full text-xs font-semibold flex items-center space-x-1">
<CheckCircle className="w-3 h-3" />
<span>Verified</span>
</div>
<div className="text-4xl mb-4">🏆</div>
<h3 className="text-2xl font-bold text-gray-900 mb-2">CERTIFICATE OF COMPLETION</h3>
<p className="text-gray-600 mb-6">This is to certify that</p>
<div className="mb-6">
<h4 className="text-4xl font-bold text-indigo-600 mb-3 border-b-2 border-indigo-300 pb-2 inline-block capitalize">
{certificate.user_name}
</h4>
<p className="text-sm text-gray-500 mt-2">Student</p>
</div>
<div className="mb-6">
<p className="text-sm text-gray-500 mb-2">Blockchain Wallet Address:</p>
<div className="bg-purple-100 border-2 border-dashed border-purple-300 rounded-lg p-3 mx-auto max-w-md">
<p className="text-purple-700 font-mono text-sm break-all">
{certificate.wallet_address}
</p>
</div>
</div>
<p className="text-gray-600 mb-2">has successfully completed the course</p>
<h5 className="text-xl font-semibold text-gray-900 mb-4 italic">"{certificate.course_title}"</h5>
<div className="text-sm text-gray-500 mb-6">
<p>Completed on: {new Date(certificate.completion_date).toLocaleDateString('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric'
})}</p>
</div>
<div className="mt-8 pt-6 border-t border-indigo-200">
<div className="flex justify-center">
<div className="text-center">
<div className="w-32 h-0.5 bg-gray-400 mb-2 mx-auto"></div>
<p className="text-base font-semibold text-gray-700">
{certificate.mentor_name}
</p>
<p className="text-xs text-gray-500">Course Instructor</p>
</div>
</div>
</div>
<div className="mt-6 pt-4 border-t border-indigo-200">
<div className="bg-gray-50 rounded-lg p-4 border">
<p className="text-sm font-semibold text-gray-700 mb-2">🆔 Unique Certificate ID:</p>
<p className="text-lg font-mono font-bold text-indigo-600 bg-white px-3 py-2 rounded border">
{certificate.certificate_id}
</p>
</div>
<p className="text-xs text-gray-500 mt-4">
<strong>OpenLearnX Learning Platform</strong><br/>
<span className="text-purple-600">🔒 Blockchain Verified Completion</span>
</p>
</div>
</div>
<div className="grid grid-cols-2 gap-4 mb-6">
<button
onClick={handleDownloadCertificate}
className="flex items-center justify-center space-x-2 px-6 py-3 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 font-medium transition-colors"
>
<Download className="w-5 h-5" />
<span>Download PDF</span>
</button>
<button
onClick={handleShareCertificate}
className="flex items-center justify-center space-x-2 px-6 py-3 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 font-medium transition-colors"
>
<Share2 className="w-5 h-5" />
<span>Share</span>
</button>
</div>
<div className="text-center">
<p className="text-sm text-gray-500">
🎉 Your certificate with unique ID <strong>{certificate.certificate_id}</strong> has been generated!
</p>
{certificate.unique_url && (
<p className="text-xs text-gray-400 mt-2">
View at: <a href={certificate.unique_url} className="text-indigo-600 hover:underline">{certificate.unique_url}</a>
</p>
)}
</div>
</div>
</>
)}
</div>
</div>
)
}