elemes/frontend/src/routes/lesson/[slug]/lesson.svelte.ts

503 lines
19 KiB
TypeScript

import { page } from '$app/stores';
import { get } from 'svelte/store';
import { tick, untrack } from 'svelte';
import { auth, authLoggedIn } from '$stores/auth';
import { lessonContext } from '$stores/lessonContext';
import { compileCode, trackProgress } from '$services/api';
import { evaluateVelxioSubmission } from '$services/velxio-evaluator';
import { evaluateFlowchartSubmission } from '$services/flowchart-evaluator';
import { evaluateCircuitSubmission, processLanguageEvaluation } from '$services/evaluators';
import { getVelxioState, initVelxioBridge } from '$services/velxio-manager';
import { VelxioBridge } from '$services/velxio-bridge';
import type { LessonContent } from '$types/lesson';
import type { CodeEditor } from '$components/CodeEditor.svelte';
import type { CircuitEditor } from '$components/CircuitEditor.svelte';
export class LessonManager {
data = $state<LessonContent | null>(null);
lessonCompleted = $state(false);
isQuizMode = $state(false);
currentCode = $state('');
currentLanguage = $state<string>('c');
// Per-language code tracking
cCode = $state('');
pythonCode = $state('');
// Output state
freshOutput = () => ({ output: '', error: '', loading: false, success: null as boolean | null, debug: undefined as string[] | undefined });
cOut = $state(this.freshOutput());
pyOut = $state(this.freshOutput());
circuitOut = $state(this.freshOutput());
velxioOut = $state(this.freshOutput());
flowchartOut = $state(this.freshOutput());
cPassed = $state(false);
pythonPassed = $state(false);
circuitPassed = $state(false);
flowchartPassed = $state(false);
velxioBridge = $state<VelxioBridge | null>(null);
velxioReady = $state(false);
velxioSaving = $state(false);
velxioError = $state(false);
velxioIframe = $state<HTMLIFrameElement | null>(null);
showSolution = $state(false);
activeTab = $state<'info' | 'exercise' | 'editor' | 'circuit' | 'output' | 'velxio' | 'flowchart'>('info');
showCelebration = $state(false);
mobileMode = $state<'hidden' | 'half' | 'full'>('hidden');
isMobile = $state(false);
// Refs (set from component)
editor = $state<CodeEditor | null>(null);
circuitEditor = $state<CircuitEditor | null>(null);
flowchartTab = $state<any>(null);
slug = $derived(get(page).params.slug);
isVelxio = $derived(this.data?.active_tabs?.includes('velxio') ?? false);
isFlowchart = $derived(this.data?.active_tabs?.includes('flowchart') ?? false);
outputSections = $derived.by(() => {
const tabs = this.data?.active_tabs ?? [];
const secs: any[] = [];
if (tabs.includes('c') || (!tabs.length && !tabs.includes('python'))) {
secs.push({ key: 'c', label: 'C', icon: '\u{1F4BB}', data: this.cOut, placeholder: 'Klik "Run" untuk menjalankan kode C', loadingText: 'Mengompilasi C...' });
}
if (tabs.includes('python')) {
secs.push({ key: 'python', label: 'Python', icon: '\u{1F40D}', data: this.pyOut, placeholder: 'Klik "Run" untuk menjalankan kode Python', loadingText: 'Menjalankan Python...' });
}
if (tabs.includes('circuit')) {
secs.push({ key: 'circuit', label: 'Circuit', icon: '\u26A1', data: this.circuitOut, placeholder: 'Klik "Cek Rangkaian" untuk mengevaluasi', loadingText: 'Mengevaluasi rangkaian...' });
}
if (tabs.includes('velxio')) {
secs.push({ key: 'velxio', label: 'Arduino', icon: '\u{1F4DF}', data: this.velxioOut, placeholder: 'Klik "Compile & Run" untuk menjalankan kode', loadingText: 'Mengevaluasi...' });
}
if (tabs.includes('flowchart')) {
secs.push({ key: 'flowchart', label: 'Flowchart', icon: '\u{1F531}', data: this.flowchartOut, placeholder: 'Klik "Cek Flowchart" untuk mengevaluasi alur logika', loadingText: 'Mengevaluasi alur...' });
}
return secs;
});
isHybrid = $derived(
(this.data?.active_tabs?.includes('c') || this.data?.active_tabs?.includes('python')) &&
this.data?.active_tabs?.includes('circuit')
);
compiling = $derived(this.cOut.loading || this.pyOut.loading || this.circuitOut.loading || this.flowchartOut.loading);
arduinoCodeKey = $derived(`elemes_arduino_code_${this.slug}`);
arduinoCircuitKey = $derived(`elemes_arduino_circuit_${this.slug}`);
flowchartStorageKey = $derived(`elemes_flowchart_draft_${this.slug}`);
constructor() {
// Media query detection
if (typeof window !== 'undefined') {
const mql = window.matchMedia('(max-width: 768px)');
this.isMobile = mql.matches;
const handler = (e: MediaQueryListEvent) => {
this.isMobile = e.matches;
};
mql.addEventListener('change', handler);
// Auto-save Velxio state periodically
$effect(() => {
if (this.velxioReady && get(authLoggedIn) && !this.showSolution) {
const interval = setInterval(() => {
const state = getVelxioState(this.velxioIframe);
if (!state) return;
let changed = false;
// 1. Source Code
const savedCode = localStorage.getItem(this.arduinoCodeKey);
if (state.code && state.code !== savedCode) {
console.log('[Velxio Auto-save] Saving code changes (Zustand)');
localStorage.setItem(this.arduinoCodeKey, state.code);
changed = true;
}
// 2. Circuit (Diagram + Wires)
const savedCircuit = localStorage.getItem(this.arduinoCircuitKey);
if (state.circuit && state.circuit !== savedCircuit) {
console.log('[Velxio Auto-save] Saving circuit changes (Zustand)');
localStorage.setItem(this.arduinoCircuitKey, state.circuit);
changed = true;
}
if (changed) {
this.velxioSaving = true;
setTimeout(() => { this.velxioSaving = false; }, 1500);
}
}, 7000); // Poll every 7 seconds
return () => clearInterval(interval);
}
});
}
}
// Switch editor content when language tab changes
prevLanguage = $state<string>('c');
setupLanguageSync() {
$effect(() => {
if (!this.data || this.currentLanguage === this.prevLanguage) return;
// Save current code to the previous language slot
const code = this.editor?.getCode() ?? this.currentCode;
if (this.prevLanguage === 'c') this.cCode = code;
else if (this.prevLanguage === 'python') this.pythonCode = code;
// Load code for the new language
const newCode = this.currentLanguage === 'python' ? this.pythonCode : (this.cCode || this.data.initial_code || '');
this.currentCode = newCode;
this.editor?.setCode(newCode);
this.prevLanguage = this.currentLanguage;
});
}
init(lesson: LessonContent) {
untrack(() => {
this.data = lesson;
this.lessonCompleted = lesson.lesson_completed;
this.isQuizMode = false;
this.cCode = lesson.initial_code_c || '';
this.pythonCode = lesson.initial_python || '';
const hasC = lesson.active_tabs?.includes('c');
const hasPython = lesson.active_tabs?.includes('python');
const initLang = (hasPython && !hasC) ? 'python' : 'c';
this.currentLanguage = initLang;
this.currentCode = initLang === 'python' ? this.pythonCode : (this.cCode || lesson.initial_code || '');
this.cOut = this.freshOutput();
this.pyOut = this.freshOutput();
this.circuitOut = this.freshOutput();
this.velxioOut = this.freshOutput();
this.cPassed = false;
this.pythonPassed = false;
this.circuitPassed = false;
this.showSolution = false;
if (this.velxioBridge) { this.velxioBridge.destroy(); this.velxioBridge = null; }
this.velxioReady = false;
this.velxioError = false;
if (lesson.lesson_info) this.activeTab = 'info';
else if (lesson.exercise_content) this.activeTab = 'exercise';
else if (lesson.active_tabs?.includes('velxio')) this.activeTab = 'velxio';
else if (lesson.active_tabs?.includes('flowchart')) this.activeTab = 'flowchart';
else if (lesson.active_tabs?.includes('circuit') && !hasC && !hasPython) this.activeTab = 'circuit';
else this.activeTab = 'editor';
this.mobileMode = 'hidden';
lessonContext.set({
title: lesson.lesson_title,
completed: lesson.lesson_completed,
prevLesson: lesson.prev_lesson,
nextLesson: lesson.next_lesson
});
});
}
async completeLesson(status = 'completed') {
if (this.lessonCompleted && status === 'completed') return;
this.showCelebration = true;
if (get(authLoggedIn)) {
const lessonName = this.slug.replace('.md', '');
await trackProgress(auth.token, lessonName, status);
this.lessonCompleted = true;
lessonContext.update(ctx => ctx ? { ...ctx, completed: true } : ctx);
}
}
checkAllPassed(): boolean {
const needsC = this.data?.active_tabs?.includes('c');
const needsPython = this.data?.active_tabs?.includes('python');
const needsCircuit = this.data?.active_tabs?.includes('circuit');
const needsFlowchart = this.data?.active_tabs?.includes('flowchart');
if (!this.data?.active_tabs?.length) return true;
if (needsC && !this.cPassed) return false;
if (needsPython && !this.pythonPassed) return false;
if (needsCircuit && !this.circuitPassed) return false;
if (needsFlowchart && !this.flowchartPassed) return false;
return true;
}
async evaluateFlowchart() {
if (!this.data || !this.flowchartTab) return;
Object.assign(this.flowchartOut, { loading: true, output: 'Mengevaluasi alur...', error: '', success: null });
this.activeTab = 'output';
try {
const flowchartText = await this.flowchartTab.getFlowchartText();
if (!flowchartText) {
Object.assign(this.flowchartOut, { error: 'Gagal mengambil data flowchart.', success: false });
return;
}
const expectedFlowchart = this.data.expected_flowchart || '';
if (!expectedFlowchart) {
Object.assign(this.flowchartOut, { error: 'Kunci jawaban tidak tersedia untuk pelajaran ini.', success: false });
return;
}
const result = evaluateFlowchartSubmission(flowchartText, expectedFlowchart);
this.flowchartOut.output = result.output;
this.flowchartOut.success = result.pass;
if (this.flowchartOut.success) {
this.flowchartPassed = true;
if (this.checkAllPassed()) {
await this.completeLesson();
setTimeout(() => { this.showCelebration = false; this.activeTab = 'flowchart'; }, 3000);
}
}
} catch (err: any) {
Object.assign(this.flowchartOut, { error: `Terjadi kesalahan saat evaluasi: ${err.message}`, success: false });
} finally {
this.flowchartOut.loading = false;
}
}
async evaluateCircuit() {
if (!this.data || !this.circuitEditor) return;
const simApi = this.circuitEditor.getApi();
if (!simApi) {
Object.assign(this.circuitOut, { error: "Simulator belum siap.", success: false });
this.activeTab = 'output';
return;
}
Object.assign(this.circuitOut, { loading: true, output: 'Mengevaluasi rangkaian...', error: '', success: null });
this.activeTab = 'output';
try {
const circuitText = this.circuitEditor.getCircuitText();
const res = evaluateCircuitSubmission(simApi, circuitText, this.isHybrid, this.data, () => this.checkAllPassed());
if (res.error) {
Object.assign(this.circuitOut, { error: res.error, success: false, loading: false });
return;
}
this.circuitOut.output = res.output;
this.circuitOut.success = res.pass;
if (res.pass) {
this.circuitPassed = true;
if (this.checkAllPassed()) {
await this.completeLesson();
setTimeout(() => { this.showCelebration = false; this.activeTab = 'circuit'; }, 3000);
}
}
} catch (err: any) {
Object.assign(this.circuitOut, { error: `Evaluasi gagal: ${err.message}`, success: false });
} finally {
this.circuitOut.loading = false;
}
}
async evaluateLanguage(lang: 'c' | 'python') {
if (!this.data) return;
const out = lang === 'c' ? this.cOut : this.pyOut;
Object.assign(out, { loading: true, output: '', error: '', success: null });
this.activeTab = 'output';
try {
const code = (this.currentLanguage === lang) ? (this.editor?.getCode() ?? this.currentCode) : (lang === 'c' ? this.cCode : this.pythonCode);
const res = await compileCode({ code, language: lang, token: auth.token });
if (!res.success) {
Object.assign(out, { error: res.error || 'Compilation failed', success: false });
return;
}
out.output = res.output;
out.success = true;
if (this.data.expected_output || this.data.expected_output_python) {
const { isCorrect } = processLanguageEvaluation(res.output, code, lang, this.currentLanguage, this.cCode, this.pythonCode, this.data);
if (isCorrect) {
if (lang === 'c') this.cPassed = true;
else if (lang === 'python') this.pythonPassed = true;
if (!this.checkAllPassed()) {
out.output += '\n✅ Kode benar!\n⏳ Selesaikan juga tantangan di tab lainnya untuk menyelesaikan pelajaran ini.';
} else {
out.output += '\n🎉 Semuanya benar!';
}
if (this.checkAllPassed()) {
await this.completeLesson();
if (this.data.solution_code || this.data.solution_python || this.data.solution_circuit) {
this.showSolution = true;
this.handleShowSolution();
this.showSolution = true;
}
setTimeout(() => { this.showCelebration = false; this.activeTab = 'editor'; }, 3000);
}
}
}
} catch {
Object.assign(out, { error: 'Gagal terhubung ke server', success: false });
} finally {
out.loading = false;
}
}
async handleRun() {
if (this.activeTab === 'circuit') { await this.evaluateCircuit(); return; }
if (this.activeTab === 'flowchart') { await this.evaluateFlowchart(); return; }
if (!this.data) return;
this.activeTab = 'output';
await this.evaluateLanguage(this.currentLanguage as 'c' | 'python');
}
async handleRunAll() {
if (!this.data) return;
this.activeTab = 'output';
const tabs = this.data.active_tabs ?? [];
if (tabs.includes('c') || (!tabs.length && !tabs.includes('python'))) await this.evaluateLanguage('c');
if (tabs.includes('python')) await this.evaluateLanguage('python');
if (tabs.includes('circuit')) await this.evaluateCircuit();
if (tabs.includes('velxio')) await this.handleVelxioSubmit();
if (tabs.includes('flowchart')) await this.evaluateFlowchart();
}
handleReset() {
if (!this.data) return;
if (this.activeTab === 'circuit') {
this.circuitEditor?.setCircuitText(this.data.initial_circuit || this.data.initial_code);
Object.assign(this.circuitOut, this.freshOutput());
} else if (this.activeTab === 'velxio') {
localStorage.removeItem(this.arduinoCodeKey);
localStorage.removeItem(this.arduinoCircuitKey);
if (this.data.initial_code_arduino) {
this.velxioBridge?.loadCode([{ name: 'sketch.ino', content: this.data.initial_code_arduino }]);
}
if (this.data.velxio_circuit) {
this.velxioBridge?.loadCircuit(this.data.velxio_circuit);
}
Object.assign(this.velxioOut, this.freshOutput());
} else if (this.activeTab === 'flowchart') {
localStorage.removeItem(this.flowchartStorageKey);
if (this.flowchartTab && typeof this.flowchartTab.handleLoad === 'function') {
this.flowchartTab.handleLoad(true);
}
} else {
const resetCode = this.currentLanguage === 'python'
? (this.data.initial_python || '')
: (this.data.initial_code_c || this.data.initial_code || '');
this.currentCode = resetCode;
if (this.currentLanguage === 'c') this.cCode = resetCode;
else this.pythonCode = resetCode;
this.editor?.setCode(resetCode);
const out = this.currentLanguage === 'python' ? this.pyOut : this.cOut;
Object.assign(out, this.freshOutput());
}
}
handleShowSolution() {
if (!this.data) return;
if (!this.data.solution_code && !this.data.solution_circuit && !this.data.solution_python) return;
this.showSolution = !this.showSolution;
if (this.showSolution) {
if (this.data.active_tabs?.includes('circuit') && this.data.solution_circuit) {
this.circuitEditor?.setCircuitText(this.data.solution_circuit);
}
if (this.currentLanguage === 'python' && this.data.solution_python) {
this.editor?.setCode(this.data.solution_python);
} else if (this.data.solution_code) {
this.editor?.setCode(this.data.solution_code);
}
} else {
if (this.data.active_tabs?.includes('circuit') && this.data.initial_circuit) {
this.circuitEditor?.setCircuitText(this.data.initial_circuit);
}
if (this.currentLanguage === 'python' || this.currentLanguage === 'c' || this.data.initial_code) {
this.editor?.setCode(this.currentCode);
}
}
}
setupVelxioBridge(iframe: HTMLIFrameElement) {
this.velxioIframe = iframe;
initVelxioBridge(
iframe,
this.data,
this.arduinoCircuitKey,
this.arduinoCodeKey,
(bridge) => {
this.velxioBridge = bridge;
this.velxioReady = true;
},
() => this.handleVelxioSubmit()
);
}
async handleVelxioSubmit() {
if (!this.data) return;
Object.assign(this.velxioOut, { loading: true, output: 'Mengevaluasi...', error: '', success: null });
this.activeTab = 'output';
try {
let sourceCode = '';
let serialLog = '';
let wireList: any[] = [];
const dbg: string[] = [];
if (this.velxioBridge) {
const serResp = await this.velxioBridge['request']('elemes:get_serial_log', 'velxio:serial_log');
if (serResp) serialLog = serResp.log as string;
}
const state = getVelxioState(this.velxioIframe);
if (state) {
sourceCode = state.code;
try {
const circuit = JSON.parse(state.circuit);
wireList = circuit.wires || [];
} catch {}
dbg.push('[metode: Zustand store]');
} else {
dbg.push('[!] Gagal mengakses simulator state');
}
const evalRes = evaluateVelxioSubmission(sourceCode, serialLog, wireList, this.data);
this.velxioOut.output = evalRes.messages.join('\n');
this.velxioOut.debug = dbg.concat(evalRes.dbg);
this.velxioOut.success = evalRes.pass;
if (evalRes.pass) {
await this.completeLesson();
setTimeout(() => { this.showCelebration = false; this.activeTab = 'velxio'; }, 3000);
}
} catch (err: any) {
Object.assign(this.velxioOut, { error: `Evaluasi gagal: ${err.message}`, success: false });
} finally {
this.velxioOut.loading = false;
}
}
getLessonTitle(slug: string) {
const lesson = this.data?.ordered_lessons?.find(l => l.filename.replace('.md', '') === slug);
return lesson?.title || slug.replace(/_/g, ' ').toUpperCase();
}
handleTryCode(code: string, lang: string, float: any) {
if (lang === 'python' || lang === 'c') {
this.currentLanguage = lang;
this.currentCode = code;
if (lang === 'c') this.cCode = code;
else this.pythonCode = code;
this.editor?.setCode(code);
this.activeTab = 'editor';
if (!this.isMobile) {
float.floating = true;
} else {
this.mobileMode = 'half';
tick().then(() => {
document.querySelector('.editor-area')?.scrollIntoView({ behavior: 'smooth' });
});
}
} else if (lang === 'cpp') {
if (this.isVelxio && this.velxioBridge) {
this.velxioBridge.loadCode([{ name: 'sketch.ino', content: code }]);
this.activeTab = 'velxio';
if (!this.isMobile) {
float.floating = true;
} else {
this.mobileMode = 'half';
tick().then(() => {
document.querySelector('.editor-area')?.scrollIntoView({ behavior: 'smooth' });
});
}
}
}
}
}