116 lines
4.1 KiB
TypeScript
116 lines
4.1 KiB
TypeScript
"use client";
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import { useEffect, useMemo, useState } from "react";
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import CourseCard from "@/components/CourseCard";
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import Tabs from "@/components/Tabs";
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import { getAllCourses } from "@/lib/data/courseCatalog";
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import {
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getCourseProgressPercent,
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progressUpdatedEventName,
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} from "@/lib/progress/localProgress";
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import { teacherCoursesUpdatedEventName } from "@/lib/data/teacherCourses";
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import { supabaseBrowser } from "@/lib/supabase/browser";
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import type { Course, CourseLevel } from "@/types/course";
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const levels: CourseLevel[] = ["Beginner", "Intermediate", "Advanced"];
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export default function CoursesPage() {
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const [activeLevel, setActiveLevel] = useState<CourseLevel>("Beginner");
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const [userId, setUserId] = useState("guest");
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const [progressBySlug, setProgressBySlug] = useState<Record<string, number>>({});
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const [courses, setCourses] = useState<Course[]>(() => getAllCourses());
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const counts = useMemo(
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() =>
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levels.reduce(
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(acc, level) => {
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acc[level] = courses.filter((course) => course.level === level).length;
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return acc;
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},
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{} as Record<CourseLevel, number>,
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),
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[courses],
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);
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useEffect(() => {
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const loadCourses = () => {
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setCourses(getAllCourses());
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};
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loadCourses();
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window.addEventListener(teacherCoursesUpdatedEventName, loadCourses);
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return () => window.removeEventListener(teacherCoursesUpdatedEventName, loadCourses);
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}, []);
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useEffect(() => {
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const client = supabaseBrowser();
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if (!client) return;
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client.auth.getUser().then(({ data }) => {
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setUserId(data.user?.id ?? "guest");
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});
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const { data } = client.auth.onAuthStateChange((_event, session) => {
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setUserId(session?.user?.id ?? "guest");
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});
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return () => data.subscription.unsubscribe();
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}, []);
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useEffect(() => {
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const load = () => {
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const nextProgress: Record<string, number> = {};
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for (const course of courses) {
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nextProgress[course.slug] = getCourseProgressPercent(userId, course.slug, course.lessons.length);
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}
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setProgressBySlug(nextProgress);
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};
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load();
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window.addEventListener(progressUpdatedEventName, load);
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window.addEventListener(teacherCoursesUpdatedEventName, load);
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return () => {
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window.removeEventListener(progressUpdatedEventName, load);
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window.removeEventListener(teacherCoursesUpdatedEventName, load);
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};
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}, [courses, userId]);
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const filteredCourses = useMemo(
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() => courses.filter((course) => course.level === activeLevel),
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[activeLevel, courses],
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);
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return (
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<div className="space-y-8">
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<section className="acve-panel p-5">
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<div className="flex flex-wrap items-center gap-4">
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<Tabs active={activeLevel} onChange={setActiveLevel} options={levels} />
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<span className="text-base font-semibold text-slate-600">{counts[activeLevel]} courses in this level</span>
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</div>
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</section>
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<section className="acve-panel px-6 py-8">
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<div className="flex items-start gap-4">
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<div className="mt-1 flex h-12 w-12 items-center justify-center rounded-xl bg-accent text-2xl font-semibold text-white">C</div>
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<div>
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<h1 className="text-3xl text-[#202a39] md:text-5xl">{activeLevel} Level Courses</h1>
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<p className="mt-2 text-base text-slate-600 md:text-2xl">
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{activeLevel === "Beginner"
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? "Perfect for those new to English law. Build a strong foundation with fundamental concepts and terminology."
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: activeLevel === "Intermediate"
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? "Deepen practical analysis skills with real-world drafting, contract review, and legal communication."
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: "Master complex legal reasoning and advanced writing for high-impact legal practice."}
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</p>
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</div>
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</div>
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</section>
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<div className="grid gap-5 md:grid-cols-2 xl:grid-cols-3">
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{filteredCourses.map((course) => (
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<CourseCard key={course.slug} course={course} progress={progressBySlug[course.slug] ?? 0} />
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))}
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</div>
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</div>
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);
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}
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