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25732fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 | import React, { useState, useEffect } from 'react'
import { motion, AnimatePresence } from 'framer-motion'
import { useParams, useNavigate } from 'react-router-dom'
import { topicAPI, learningAPI, progressAPI } from '../../services/api'
import {
BookOpen,
ArrowLeft,
Sparkles,
Play,
ChevronRight,
Lightbulb
} from 'lucide-react'
import LessonViewer from './LessonViewer'
import CodePlayground from './CodePlayground'
import toast from 'react-hot-toast'
const Learn = () => {
const { topicId } = useParams()
const navigate = useNavigate()
const [topics, setTopics] = useState([])
const [selectedTopic, setSelectedTopic] = useState(null)
const [lesson, setLesson] = useState(null)
const [loading, setLoading] = useState(false)
const [generatingLesson, setGeneratingLesson] = useState(false)
useEffect(() => {
loadTopics()
}, [])
useEffect(() => {
if (topicId) {
loadTopicAndLesson(parseInt(topicId))
}
}, [topicId])
const loadTopics = async () => {
try {
const response = await topicAPI.getAll()
setTopics(response.data)
} catch (error) {
toast.error('Failed to load topics')
}
}
const loadTopicAndLesson = async (id) => {
try {
setLoading(true)
const topicResponse = await topicAPI.getById(id)
setSelectedTopic(topicResponse.data)
} catch (error) {
toast.error('Failed to load topic')
} finally {
setLoading(false)
}
}
const handleGenerateLesson = async () => {
if (!selectedTopic) return
setGeneratingLesson(true)
const loadingToast = toast.loading('AI is generating your personalized lesson...')
try {
const response = await learningAPI.generateLesson(selectedTopic.id)
setLesson(response.data)
toast.success('Lesson generated successfully!', { id: loadingToast })
} catch (error) {
toast.error('Failed to generate lesson', { id: loadingToast })
} finally {
setGeneratingLesson(false)
}
}
const handleSelectTopic = (topic) => {
setSelectedTopic(topic)
setLesson(null)
navigate(`/learn/${topic.id}`)
}
const handleNextTopic = async () => {
try {
const response = await progressAPI.getNextTopic(selectedTopic?.id)
if (response.data) {
handleSelectTopic(response.data)
}
} catch (error) {
toast.error('No more recommendations')
}
}
if (!selectedTopic && !topicId) {
return (
<motion.div
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
className="space-y-8"
>
{/* Header */}
<div className="card bg-gradient-to-br from-primary-500 to-accent-600 text-white">
<div className="flex items-center gap-4">
<div className="w-16 h-16 bg-white/20 rounded-2xl flex items-center justify-center">
<BookOpen className="w-8 h-8" />
</div>
<div>
<h1 className="text-3xl font-bold mb-2">
Choose a Topic to Learn
</h1>
<p className="text-primary-100">
AI-powered personalized lessons await you
</p>
</div>
</div>
</div>
{/* Topics Grid */}
<div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
{topics.map((topic, index) => (
<motion.div
key={topic.id}
initial={{ opacity: 0, y: 20 }}
animate={{ opacity: 1, y: 0 }}
transition={{ delay: index * 0.1 }}
whileHover={{ y: -8 }}
onClick={() => handleSelectTopic(topic)}
className="card cursor-pointer group"
>
<div className="flex items-start justify-between mb-4">
<div className="w-12 h-12 bg-gradient-to-br from-primary-500 to-accent-500 rounded-xl flex items-center justify-center group-hover:scale-110 transition-transform">
<BookOpen className="w-6 h-6 text-white" />
</div>
<span className={`px-3 py-1 rounded-full text-xs font-semibold ${
topic.difficulty === 'beginner' ? 'bg-green-100 text-green-700' :
topic.difficulty === 'intermediate' ? 'bg-yellow-100 text-yellow-700' :
'bg-red-100 text-red-700'
}`}>
{topic.difficulty}
</span>
</div>
<h3 className="text-xl font-bold text-slate-800 mb-2 group-hover:text-primary-600 transition-colors">
{topic.name}
</h3>
<p className="text-sm text-slate-600 mb-4">
{topic.description}
</p>
<div className="flex items-center justify-between">
<span className="text-xs font-semibold text-slate-500 uppercase">
{topic.category}
</span>
<ChevronRight className="w-5 h-5 text-primary-600 group-hover:translate-x-1 transition-transform" />
</div>
</motion.div>
))}
</div>
</motion.div>
)
}
return (
<div className="space-y-6">
{/* Header */}
<div className="flex items-center justify-between">
<button
onClick={() => {
setSelectedTopic(null)
setLesson(null)
navigate('/learn')
}}
className="flex items-center gap-2 text-slate-600 hover:text-primary-600 transition-colors font-medium"
>
<ArrowLeft className="w-5 h-5" />
Back to Topics
</button>
{lesson && (
<motion.button
whileHover={{ scale: 1.05 }}
whileTap={{ scale: 0.95 }}
onClick={handleNextTopic}
className="btn-secondary flex items-center gap-2"
>
<Lightbulb className="w-5 h-5" />
Next Recommended Topic
</motion.button>
)}
</div>
{/* Topic Header */}
{selectedTopic && (
<motion.div
initial={{ opacity: 0, y: -20 }}
animate={{ opacity: 1, y: 0 }}
className="card bg-gradient-to-br from-primary-500 to-accent-600 text-white"
>
<div className="flex items-start justify-between">
<div>
<div className="flex items-center gap-3 mb-3">
<div className="w-14 h-14 bg-white/20 rounded-xl flex items-center justify-center">
<BookOpen className="w-7 h-7" />
</div>
<div>
<h1 className="text-3xl font-bold">{selectedTopic.name}</h1>
<p className="text-primary-100">{selectedTopic.category}</p>
</div>
</div>
<p className="text-white/90 mb-4">
{selectedTopic.description}
</p>
</div>
<span className={`px-4 py-2 rounded-xl text-sm font-semibold ${
selectedTopic.difficulty === 'beginner' ? 'bg-green-500' :
selectedTopic.difficulty === 'intermediate' ? 'bg-yellow-500' :
'bg-red-500'
}`}>
{selectedTopic.difficulty}
</span>
</div>
{!lesson && (
<motion.button
whileHover={{ scale: 1.05 }}
whileTap={{ scale: 0.95 }}
onClick={handleGenerateLesson}
disabled={generatingLesson}
className="mt-6 bg-white text-primary-600 px-6 py-3 rounded-xl font-semibold shadow-xl hover:shadow-2xl transition-all flex items-center gap-2 disabled:opacity-50"
>
{generatingLesson ? (
<>
<div className="animate-spin rounded-full h-5 w-5 border-b-2 border-primary-600"></div>
Generating Personalized Lesson...
</>
) : (
<>
<Sparkles className="w-5 h-5" />
Generate AI Lesson
<Play className="w-5 h-5" />
</>
)}
</motion.button>
)}
</motion.div>
)}
{/* Lesson Content */}
<AnimatePresence>
{lesson && (
<>
<LessonViewer lesson={lesson} topic={selectedTopic} />
<CodePlayground topicName={selectedTopic.name} />
</>
)}
</AnimatePresence>
</div>
)
}
export default Learn |