258 lines
16 KiB
TypeScript
258 lines
16 KiB
TypeScript
"use client";
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import React, { useState, useEffect } from "react";
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import { useParams, useRouter } from "next/navigation";
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import { cmsApi, Cohort, Course, CourseAnalytics, lmsApi } from "@/lib/api";
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import { useAuth } from "@/context/AuthContext";
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import {
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BarChart3,
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Users,
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TrendingUp,
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AlertTriangle,
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CheckCircle2,
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BookOpen,
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Layers,
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ShieldAlert
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} from "lucide-react";
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import DropoutRiskDashboard from "@/components/Analytics/DropoutRiskDashboard";
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import LiveSessions from "@/components/Courses/LiveSessions";
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import { Video } from "lucide-react";
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import CourseEditorLayout from "@/components/CourseEditorLayout";
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export default function AnalyticsPage() {
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const { id } = useParams() as { id: string };
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const router = useRouter();
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const { user } = useAuth();
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const [course, setCourse] = useState<Course | null>(null);
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const [analytics, setAnalytics] = useState<CourseAnalytics | null>(null);
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const [loading, setLoading] = useState(true);
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const [authError, setAuthError] = useState<string | null>(null);
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const [cohorts, setCohorts] = useState<Cohort[]>([]);
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const [selectedCohortId, setSelectedCohortId] = useState<string>("");
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const [activeAnalyticsTab, setActiveAnalyticsTab] = useState<"overview" | "risks" | "live">("overview");
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useEffect(() => {
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const fetchData = async () => {
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if (!user) return;
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if (user.role !== 'admin' && user.role !== 'instructor') {
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router.push('/');
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return;
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}
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try {
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const cohortsData = await lmsApi.getCohorts();
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setCohorts(cohortsData);
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const [courseData, analyticsData] = await Promise.all([
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cmsApi.getCourseWithFullOutline(id),
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cmsApi.getCourseAnalytics(id, selectedCohortId || undefined)
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]);
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setCourse(courseData);
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setAnalytics(analyticsData);
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} catch (err: unknown) {
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console.error("Failed to load analytics", err);
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setAuthError(err instanceof Error ? err.message : "Failed to load data");
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} finally {
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setLoading(false);
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}
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};
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fetchData();
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}, [id, user, router, selectedCohortId]);
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if (loading) return (
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<div className="min-h-screen bg-transparent flex items-center justify-center">
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<div className="w-12 h-12 border-4 border-blue-500/20 border-t-blue-500 rounded-full animate-spin"></div>
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</div>
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);
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if (authError) return (
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<div className="min-h-screen bg-transparent text-slate-900 dark:text-white flex flex-col items-center justify-center p-20 text-center gap-6">
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<div className="w-20 h-20 bg-red-600/10 rounded-full flex items-center justify-center text-red-600 dark:text-red-500">
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<AlertTriangle size={40} />
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</div>
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<h2 className="text-2xl font-black">Access Denied</h2>
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<p className="text-slate-500 dark:text-gray-400 max-w-md font-medium">{authError}</p>
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<button onClick={() => router.back()} className="btn-premium px-8 py-3">Go Back</button>
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</div>
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);
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if (!course || !analytics) return (
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<div className="min-h-screen bg-transparent text-gray-900 dark:text-white p-20 text-center">
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Course not found or analytics unavailable.
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</div>
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);
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const difficultLessons = analytics.lessons
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.filter(l => l.average_score < 0.7 && l.submission_count > 0)
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.sort((a, b) => a.average_score - b.average_score);
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return (
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<CourseEditorLayout
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activeTab="analytics"
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pageTitle="Análisis del Curso"
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pageDescription={`Insights de rendimiento y progreso para ${course?.title}`}
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pageActions={
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<div className="flex items-center gap-3">
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<select
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value={selectedCohortId}
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onChange={(e) => setSelectedCohortId(e.target.value)}
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className="bg-slate-100 dark:bg-white/5 text-slate-900 dark:text-white border border-slate-200 dark:border-white/10 rounded-xl px-4 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500/50 min-w-[160px]"
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>
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<option value="">Todos los Estudiantes</option>
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{cohorts.map(c => <option key={c.id} value={c.id}>{c.name}</option>)}
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</select>
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<button
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onClick={() => router.push(`/courses/${id}/analytics/advanced`)}
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className="flex items-center gap-2 px-4 py-2 bg-purple-600/10 hover:bg-purple-600/20 text-purple-400 border border-purple-500/20 rounded-xl font-bold text-xs transition-all active:scale-95"
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>
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<Layers size={14} /> Insights Avanzados
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</button>
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<div className="bg-blue-600/10 text-blue-600 dark:text-blue-400 text-[10px] font-black uppercase tracking-wider px-3 py-1.5 rounded-lg border border-blue-600/20">
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{user?.role} View
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</div>
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</div>
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}
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>
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<div className="space-y-12">
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{/* Tab Selector */}
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<div className="flex items-center gap-1 mb-10 p-1.5 bg-slate-100 dark:bg-white/5 rounded-2xl w-fit border border-slate-200 dark:border-white/5">
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<button
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onClick={() => setActiveAnalyticsTab("overview")}
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className={`px-6 py-2.5 rounded-xl text-xs font-black uppercase tracking-widest transition-all flex items-center gap-2 ${activeAnalyticsTab === "overview" ? "bg-blue-600 text-white shadow-lg shadow-blue-500/20" : "text-slate-500 dark:text-gray-400 hover:text-slate-800 dark:hover:text-white hover:bg-white/5"}`}
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>
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<BarChart3 size={14} /> Overview
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</button>
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<button
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onClick={() => setActiveAnalyticsTab("risks")}
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className={`px-6 py-2.5 rounded-xl text-xs font-black uppercase tracking-widest transition-all flex items-center gap-2 ${activeAnalyticsTab === "risks" ? "bg-red-600 text-white shadow-lg shadow-red-500/20" : "text-slate-500 dark:text-gray-400 hover:text-red-500 dark:hover:text-white hover:bg-white/5"}`}
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>
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<ShieldAlert size={14} /> Predictive Risks
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</button>
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<button
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onClick={() => setActiveAnalyticsTab("live")}
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className={`px-6 py-2.5 rounded-xl text-xs font-black uppercase tracking-widest transition-all flex items-center gap-2 ${activeAnalyticsTab === "live" ? "bg-blue-600 text-white shadow-lg shadow-blue-500/20" : "text-slate-500 dark:text-gray-400 hover:text-slate-800 dark:hover:text-white hover:bg-white/5"}`}
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>
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<Video size={14} /> Live Sessions
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</button>
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</div>
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{activeAnalyticsTab === "overview" && (
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<div className="space-y-12 animate-in fade-in slide-in-from-bottom-4 duration-700">
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<div className="grid grid-cols-1 md:grid-cols-3 gap-6">
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<div className="bg-slate-50 dark:bg-white/5 border border-slate-200 dark:border-white/10 rounded-3xl p-8 group hover:bg-white transition-all shadow-sm">
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<div className="flex items-center gap-4 mb-4">
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<div className="w-12 h-12 rounded-2xl bg-blue-600/10 flex items-center justify-center text-blue-600 dark:text-blue-400">
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<Users size={24} />
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</div>
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<span className="text-xs font-black text-slate-400 dark:text-gray-400 uppercase tracking-[0.2em]">Enrollments</span>
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</div>
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<div className="text-4xl font-black text-slate-900 dark:text-white">{analytics.total_enrollments}</div>
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<div className="text-xs text-green-600 dark:text-green-400 font-black uppercase mt-2 tracking-wider">Active Learners</div>
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</div>
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<div className="bg-slate-50 dark:bg-white/5 border border-slate-200 dark:border-white/10 rounded-3xl p-8 group hover:bg-white transition-all shadow-sm">
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<div className="flex items-center gap-4 mb-4">
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<div className="w-12 h-12 rounded-2xl bg-purple-600/10 flex items-center justify-center text-purple-600 dark:text-purple-400">
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<TrendingUp size={24} />
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</div>
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<span className="text-xs font-black text-slate-400 dark:text-gray-400 uppercase tracking-[0.2em]">Average Score</span>
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</div>
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<div className="text-4xl font-black text-slate-900 dark:text-white">{Math.round(analytics.average_score * 100)}%</div>
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<div className="text-xs text-slate-500 dark:text-gray-500 font-black uppercase mt-2 tracking-wider">Across all assessments</div>
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</div>
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<div className="bg-slate-50 dark:bg-white/5 border border-slate-200 dark:border-white/10 rounded-3xl p-8 group hover:bg-white transition-all shadow-sm">
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<div className="flex items-center gap-4 mb-4">
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<div className="w-12 h-12 rounded-2xl bg-orange-600/10 flex items-center justify-center text-orange-600 dark:text-orange-400">
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<AlertTriangle size={24} />
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</div>
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<span className="text-xs font-black text-slate-400 dark:text-gray-400 uppercase tracking-[0.2em]">Attention Needed</span>
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</div>
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<div className="text-4xl font-black text-slate-900 dark:text-white">{difficultLessons.length}</div>
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<div className="text-xs text-orange-600 dark:text-orange-400 font-black uppercase mt-2 tracking-wider">Struggling Lessons</div>
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</div>
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</div>
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<div className="grid grid-cols-1 lg:grid-cols-2 gap-12">
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<section>
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<h2 className="section-title mb-6">
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<BarChart3 className="text-blue-500" />
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Rendimiento de Lecciones
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</h2>
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<div className="space-y-4">
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{analytics.lessons.map((lesson) => (
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<div key={lesson.lesson_id} className="bg-white dark:bg-white/5 border border-slate-200 dark:border-white/10 rounded-2xl p-6 hover:bg-slate-50 dark:hover:bg-white/[0.07] transition-all shadow-sm">
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<div className="flex items-start justify-between mb-4">
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<div>
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<h3 className="font-bold text-slate-800 dark:text-white">{lesson.lesson_title}</h3>
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<p className="text-xs text-slate-500 dark:text-gray-500 mt-1 font-medium">{lesson.submission_count} submissions</p>
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</div>
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<div className={`text-xl font-black ${lesson.average_score < 0.6 ? "text-red-500" : lesson.average_score < 0.8 ? "text-orange-500" : "text-emerald-500"}`}>
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{Math.round(lesson.average_score * 100)}%
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</div>
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</div>
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<div className="h-2 bg-slate-100 dark:bg-white/5 rounded-full overflow-hidden">
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<div
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className={`h-full rounded-full transition-all duration-1000 ${lesson.average_score < 0.6 ? "bg-red-500 shadow-[0_0_10px_rgba(239,68,68,0.4)]" : lesson.average_score < 0.8 ? "bg-orange-500 shadow-[0_0_10px_rgba(249,115,22,0.4)]" : "bg-emerald-500 shadow-[0_0_10px_rgba(16,185,129,0.4)]"}`}
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style={{ width: `${lesson.average_score * 100}%` }}
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/>
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</div>
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</div>
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))}
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</div>
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</section>
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<section className="space-y-8">
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<div>
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<h2 className="section-title mb-6">
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<AlertTriangle className="text-orange-500" />
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Lecciones con Dificultad
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</h2>
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{difficultLessons.length > 0 ? (
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<div className="space-y-4">
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{difficultLessons.map(l => (
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<div key={l.lesson_id} className="bg-red-50 dark:bg-red-500/10 border border-red-200 dark:border-red-500/20 rounded-2xl p-6 flex items-center justify-between shadow-sm">
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<div>
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<h4 className="font-bold text-red-600 dark:text-red-400">{l.lesson_title}</h4>
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<p className="text-xs text-red-700/60 dark:text-red-300/60 mt-1 text-balance max-w-xs font-medium">
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Average score is below 70%. Consider reviewing the material or difficulty of questions.
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</p>
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</div>
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<div className="text-2xl font-black text-red-600 dark:text-red-500">{Math.round(l.average_score * 100)}%</div>
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</div>
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))}
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</div>
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) : (
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<div className="bg-green-500/10 border border-green-500/20 rounded-2xl p-8 text-center">
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<CheckCircle2 size={40} className="text-green-500 mx-auto mb-4" />
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<h4 className="font-bold text-green-400">All set!</h4>
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<p className="text-sm text-green-300/60 mt-2">No lessons currently fall below the difficulty threshold.</p>
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</div>
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)}
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</div>
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<div className="bg-blue-50 dark:bg-blue-600/10 border border-blue-200 dark:border-blue-500/20 rounded-3xl p-8 shadow-sm">
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<h3 className="text-lg font-black mb-4 flex items-center gap-2 uppercase tracking-wide text-blue-700 dark:text-white">
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<BookOpen className="text-blue-600 dark:text-blue-400" />
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Content Strategy Tip
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</h3>
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<p className="text-sm text-blue-800/70 dark:text-blue-200/70 leading-relaxed font-medium">
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High submission counts with low average scores often indicate that the assessment might be misleading or the prerequisites aren't clearly explained in previous lessons.
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</p>
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</div>
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</section>
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</div>
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</div>
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)}
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{activeAnalyticsTab === "risks" && (
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<DropoutRiskDashboard courseId={id} />
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)}
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{activeAnalyticsTab === "live" && (
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<LiveSessions courseId={id} />
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)}
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</div>
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</CourseEditorLayout>
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);
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}
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