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import { motion } from 'framer-motion'
import { useNavigate } from 'react-router-dom'
import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter'
import { vscDarkPlus } from 'react-syntax-highlighter/dist/esm/styles/prism'
import { BookOpen, Brain, CheckCircle, ArrowRight, Sparkles } from 'lucide-react'
const LessonViewer = ({ lesson, topic }) => {
const navigate = useNavigate()
const [completed, setCompleted] = useState(false)
// Process HTML content to handle code blocks
const processContent = (htmlContent) => {
const parser = new DOMParser()
const doc = parser.parseFromString(htmlContent, 'text/html')
// Find all code blocks
const codeBlocks = doc.querySelectorAll('pre code')
codeBlocks.forEach((block, index) => {
const code = block.textContent
const language = block.className.includes('python') ? 'python' : 'javascript'
block.setAttribute('data-code', code)
block.setAttribute('data-language', language)
block.setAttribute('data-index', index)
})
return doc.body.innerHTML
}
const renderContent = () => {
const processedContent = processContent(lesson.content)
return (
<div
className="lesson-content"
dangerouslySetInnerHTML={{ __html: processedContent }}
/>
)
}
React.useEffect(() => {
// After render, replace code blocks with syntax highlighted versions
const codeBlocks = document.querySelectorAll('[data-code]')
codeBlocks.forEach((block) => {
const code = block.getAttribute('data-code')
const language = block.getAttribute('data-language')
const container = document.createElement('div')
container.className = 'my-4 rounded-xl overflow-hidden shadow-lg'
const highlightedCode = (
<SyntaxHighlighter
language={language}
style={vscDarkPlus}
customStyle={{
margin: 0,
borderRadius: '0.75rem',
padding: '1.5rem'
}}
>
{code}
</SyntaxHighlighter>
)
block.parentElement.replaceWith(container)
})
}, [lesson])
const handleComplete = () => {
setCompleted(true)
setTimeout(() => {
navigate(`/quiz/${topic.id}`)
}, 1000)
}
return (
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ duration: 0.5 }}
className="space-y-6"
>
{/* Lesson Header */}
<div className="card bg-gradient-to-r from-primary-50 to-accent-50 border-2 border-primary-100">
<div className="flex items-center gap-3 mb-3">
<div className="w-12 h-12 bg-gradient-to-br from-primary-500 to-accent-500 rounded-xl flex items-center justify-center">
<Sparkles className="w-6 h-6 text-white" />
</div>
<div>
<h2 className="text-2xl font-bold gradient-text">
AI-Generated Lesson
</h2>
<p className="text-sm text-slate-600">
Personalized for your learning level: {lesson.difficulty}
</p>
</div>
</div>
{lesson.agent_metadata && (
<div className="flex flex-wrap gap-2 mt-4">
<span className="px-3 py-1 bg-white rounded-full text-xs font-semibold text-slate-700 border border-slate-200">
Teaching Style: {lesson.agent_metadata.teaching_style || 'Adaptive'}
</span>
<span className="px-3 py-1 bg-white rounded-full text-xs font-semibold text-slate-700 border border-slate-200">
Complexity: {lesson.agent_metadata.complexity || lesson.difficulty}
</span>
{lesson.agent_metadata.example_count && (
<span className="px-3 py-1 bg-white rounded-full text-xs font-semibold text-slate-700 border border-slate-200">
Examples: {lesson.agent_metadata.example_count}
</span>
)}
</div>
)}
</div>
{/* Lesson Content */}
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ delay: 0.2 }}
className="card"
>
<style>
{`
.lesson-content {
line-height: 1.8;
}
.lesson-content h1 {
font-size: 2rem;
font-weight: 800;
color: #1e293b;
margin-top: 2rem;
margin-bottom: 1rem;
background: linear-gradient(to right, #0ea5e9, #a855f7);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.lesson-content h2 {
font-size: 1.75rem;
font-weight: 700;
color: #334155;
margin-top: 2rem;
margin-bottom: 1rem;
padding-bottom: 0.5rem;
border-bottom: 2px solid #e0f2fe;
}
.lesson-content h3 {
font-size: 1.35rem;
font-weight: 600;
color: #475569;
margin-top: 1.5rem;
margin-bottom: 0.75rem;
}
.lesson-content p {
color: #475569;
margin-bottom: 1rem;
}
.lesson-content strong {
color: #0ea5e9;
font-weight: 600;
}
.lesson-content ul {
list-style-type: disc;
margin-left: 1.5rem;
margin-bottom: 1rem;
color: #64748b;
}
.lesson-content li {
margin-bottom: 0.5rem;
padding-left: 0.5rem;
}
.lesson-content code:not(pre code) {
background: #f1f5f9;
color: #db2777;
padding: 0.2rem 0.5rem;
border-radius: 0.375rem;
font-size: 0.9em;
font-family: 'Courier New', monospace;
}
.lesson-content pre {
margin: 1.5rem 0;
border-radius: 0.75rem;
overflow: hidden;
}
`}
</style>
{renderContent()}
</motion.div>
{/* Action Buttons */}
<motion.div
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: 0.4 }}
className="card bg-gradient-to-r from-green-50 to-emerald-50 border-2 border-green-100"
>
<div className="flex items-center justify-between">
<div className="flex items-center gap-3">
{completed ? (
<CheckCircle className="w-8 h-8 text-green-600" />
) : (
<Brain className="w-8 h-8 text-green-600" />
)}
<div>
<h3 className="text-lg font-bold text-slate-800">
{completed ? 'Lesson Completed!' : 'Ready to Test Your Knowledge?'}
</h3>
<p className="text-sm text-slate-600">
{completed
? 'Redirecting to quiz...'
: 'Take a quiz to reinforce what you learned'}
</p>
</div>
</div>
{!completed && (
<motion.button
whileHover={{ scale: 1.05 }}
whileTap={{ scale: 0.95 }}
onClick={handleComplete}
className="btn-primary flex items-center gap-2"
>
Take Quiz
<ArrowRight className="w-5 h-5" />
</motion.button>
)}
</div>
</motion.div>
{/* Knowledge Level Indicator */}
{lesson.knowledge_level !== undefined && (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
transition={{ delay: 0.6 }}
className="card"
>
<h3 className="text-lg font-semibold text-slate-800 mb-4">
Your Knowledge Progress
</h3>
<div className="relative">
<div className="w-full bg-slate-200 rounded-full h-3 overflow-hidden">
<motion.div
initial={{ width: 0 }}
animate={{ width: `${lesson.knowledge_level * 100}%` }}
transition={{ delay: 0.8, duration: 1 }}
className="h-full bg-gradient-to-r from-primary-500 to-accent-500 rounded-full"
/>
</div>
<div className="mt-2 text-sm text-slate-600 text-right font-medium">
{Math.round(lesson.knowledge_level * 100)}% Knowledge Level
</div>
</div>
</motion.div>
)}
</motion.div>
)
}
export default LessonViewer |