From 09ca1a270a85f8c59575e9dac268f635858d3ee4 Mon Sep 17 00:00:00 2001
From: AliReza <zareian.comp@gmail.com>
Date: Thu, 8 Oct 2026 15:46:38 +0330
Subject: [PATCH] Lessons tab replaces the map tab: chapter > island > lesson
 list with the island quiz beside it

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
---
 src/app/MainApp.tsx           |   4 +-
 src/components/BottomNav.tsx  |   4 +-
 src/nav/Navigator.tsx         |   2 +-
 src/nav/routes.ts             |   6 +-
 src/screens/LessonsScreen.tsx | 152 ++++++++++++++++++++++++++++++++++
 src/screens/MapScreen.tsx     |  96 ---------------------
 src/screens/QuizScreen.tsx    |   2 +-
 7 files changed, 161 insertions(+), 105 deletions(-)
 create mode 100644 src/screens/LessonsScreen.tsx
 delete mode 100644 src/screens/MapScreen.tsx

diff --git a/src/app/MainApp.tsx b/src/app/MainApp.tsx
index 03a5aed..cbd54ab 100644
--- a/src/app/MainApp.tsx
+++ b/src/app/MainApp.tsx
@@ -28,7 +28,7 @@ const InviteScreen = screen(() => import('@/screens/InviteScreen'), 'InviteScree
 const InvoicesScreen = screen(() => import('@/screens/InvoicesScreen'), 'InvoicesScreen');
 const LeaderboardScreen = screen(() => import('@/screens/LeaderboardScreen'), 'LeaderboardScreen');
 const LessonScreen = screen(() => import('@/screens/LessonScreen'), 'LessonScreen');
-const MapScreen = screen(() => import('@/screens/MapScreen'), 'MapScreen');
+const LessonsScreen = screen(() => import('@/screens/LessonsScreen'), 'LessonsScreen');
 const NotificationsScreen = screen(() => import('@/screens/NotificationsScreen'), 'NotificationsScreen');
 const ProfileScreen = screen(() => import('@/screens/ProfileScreen'), 'ProfileScreen');
 const ReportScreen = screen(() => import('@/screens/ReportScreen'), 'ReportScreen');
@@ -98,7 +98,7 @@ function Screens({ onSignedOut }: Pick<Props, 'onSignedOut'>) {
 function RouteView({ route, onSignedOut }: { route: Route } & Pick<Props, 'onSignedOut'>) {
   switch (route.name) {
     case 'home': return <HomeScreen />;
-    case 'map': return <MapScreen />;
+    case 'lessons': return <LessonsScreen />;
     case 'ask': return <AskScreen lessonId={route.lessonId} questionId={route.questionId} prompt={route.prompt} />;
     case 'subscription': return <SubscriptionScreen />;
     case 'profile': return <ProfileScreen onSignedOut={onSignedOut} />;
diff --git a/src/components/BottomNav.tsx b/src/components/BottomNav.tsx
index f568b08..679f15f 100644
--- a/src/components/BottomNav.tsx
+++ b/src/components/BottomNav.tsx
@@ -1,9 +1,9 @@
-import { Brain, ShoppingBag, Home, Map, UserRound, type LucideIcon } from 'lucide-react';
+import { Brain, ShoppingBag, Home, BookOpen, UserRound, type LucideIcon } from 'lucide-react';
 import type { TabName } from '@/nav/routes';
 
 const ITEMS: { id: TabName; icon: LucideIcon; label: string }[] = [
   { id: 'home', icon: Home, label: 'خانه' },
-  { id: 'map', icon: Map, label: 'نقشه' },
+  { id: 'lessons', icon: BookOpen, label: 'درس‌ها' },
   { id: 'ask', icon: Brain, label: 'دستیار' },
   { id: 'subscription', icon: ShoppingBag, label: 'بسته‌ها' },
   { id: 'profile', icon: UserRound, label: 'من' },
diff --git a/src/nav/Navigator.tsx b/src/nav/Navigator.tsx
index 64cea30..5bd5595 100644
--- a/src/nav/Navigator.tsx
+++ b/src/nav/Navigator.tsx
@@ -53,7 +53,7 @@ export function NavigatorProvider({ initial, children }: { initial: Route; child
     const root = stack[0].name;
     return {
       route: stack[stack.length - 1],
-      tab: ['home', 'map', 'ask', 'subscription', 'profile'].includes(root) ? (root as TabName) : null,
+      tab: ['home', 'lessons', 'ask', 'subscription', 'profile'].includes(root) ? (root as TabName) : null,
       canGoBack: stack.length > 1,
       push,
       replace,
diff --git a/src/nav/routes.ts b/src/nav/routes.ts
index 3a20a43..aae6b2d 100644
--- a/src/nav/routes.ts
+++ b/src/nav/routes.ts
@@ -1,7 +1,7 @@
 /** همه‌ی صفحه‌های اپ و پارامترهایشان. */
 export type Route =
   | { name: 'home' }
-  | { name: 'map' }
+  | { name: 'lessons' }
   | { name: 'ask'; lessonId?: number; questionId?: string; prompt?: string }
   | { name: 'subscription' }
   | { name: 'profile' }
@@ -20,9 +20,9 @@ export type Route =
   | { name: 'invoices' }
   | { name: 'invite' };
 
-export type TabName = 'home' | 'map' | 'ask' | 'subscription' | 'profile';
+export type TabName = 'home' | 'lessons' | 'ask' | 'subscription' | 'profile';
 
-export const TABS: TabName[] = ['home', 'map', 'ask', 'subscription', 'profile'];
+export const TABS: TabName[] = ['home', 'lessons', 'ask', 'subscription', 'profile'];
 
 export function isTab(name: Route['name']): name is TabName {
   return (TABS as string[]).includes(name);
diff --git a/src/screens/LessonsScreen.tsx b/src/screens/LessonsScreen.tsx
new file mode 100644
index 0000000..5f766ca
--- /dev/null
+++ b/src/screens/LessonsScreen.tsx
@@ -0,0 +1,152 @@
+import { useState } from 'react';
+import { BookOpen, Brain, CheckCircle2, ChevronDown, Circle, Lock, Play } from 'lucide-react';
+import { api, type HomeNode, type HomeUnit } from '@/api';
+import { useAppData } from '@/state/AppData';
+import { findContinue, unitColor, unitProgress } from '@/state/curriculum';
+import { useNav } from '@/nav/Navigator';
+import { useAsync } from '@/lib/useAsync';
+import { EmptyState, ErrorState, LoadingState, ProgressBar, Screen, ScreenHeader, Sep } from '@/components/ui';
+import { toFa } from '@/lib/format';
+import { MathText } from '@/lib/MathText';
+
+/**
+ * تبِ «درس‌ها»: فصل ← جزیره ← درس، برای کسی که می‌خواهد اول بخواند.
+ * آزمونِ هر جزیره همین‌جا کنارِ درس‌هایش است؛ نقشه‌ی بازی‌وار همان خانه است.
+ * فقط درس‌های سوال‌دار (lessonIds) فهرست می‌شوند، مثلِ برگه‌ی جزیره.
+ */
+export function LessonsScreen() {
+  const { home, homeError, refreshHome, gradeTitle } = useAppData();
+  const nav = useNav();
+  const units = home?.units ?? [];
+  const current = findContinue(home);
+  const [openUnit, setOpenUnit] = useState<string | null>(current?.unit.id ?? null);
+  const [openNode, setOpenNode] = useState<string | null>(current?.node.id ?? null);
+
+  return (
+    <Screen className="bg-[#f7f8ff]">
+      <ScreenHeader
+        title="درس‌ها"
+        subtitle={<>{gradeTitle && <>{gradeTitle}<Sep /></>}اول بخون، بعد آزمونِ جزیره رو بده</>}
+        color="#2FB36B"
+        mascot={{ char: 'sigma', mood: 'happy' }}
+      />
+
+      <div className="flex-1 overflow-y-auto px-4 pb-6 pt-4">
+        {!home ? (
+          homeError ? <ErrorState error={homeError} onRetry={() => void refreshHome()} /> : <LoadingState text="دارم درس‌ها رو میارم…" />
+        ) : units.length === 0 ? (
+          <EmptyState text="هنوز درسی برای این پایه ثبت نشده" />
+        ) : (
+          <div className="flex flex-col gap-3">
+            {units.map((unit, i) => (
+              <UnitCard
+                key={unit.id}
+                unit={unit}
+                color={unitColor(i)}
+                open={openUnit === unit.id}
+                onToggle={() => setOpenUnit(openUnit === unit.id ? null : unit.id)}
+                openNode={openNode}
+                onToggleNode={(id) => setOpenNode(openNode === id ? null : id)}
+              />
+            ))}
+            <button
+              type="button"
+              onClick={() => nav.switchTab('ask')}
+              className="mt-2 flex items-center gap-3 rounded-2xl border border-line bg-white px-4 py-3 text-right"
+            >
+              <Brain size={22} className="flex-shrink-0 text-coral" />
+              <span className="text-sm leading-6 text-body">یه جایی از درس رو نفهمیدی؟ <b className="text-ink">از دستیار بپرس</b></span>
+            </button>
+          </div>
+        )}
+      </div>
+    </Screen>
+  );
+}
+
+function UnitCard({
+  unit, color, open, onToggle, openNode, onToggleNode,
+}: {
+  unit: HomeUnit; color: string; open: boolean; onToggle: () => void; openNode: string | null; onToggleNode: (id: string) => void;
+}) {
+  const p = unitProgress(unit);
+  return (
+    <div className="overflow-hidden rounded-2xl border bg-white" style={{ borderColor: open ? color : '#e6e6f0' }}>
+      <button type="button" onClick={onToggle} aria-expanded={open} className="flex w-full items-center gap-3 px-4 py-3.5 text-right">
+        <span className="flex h-10 w-10 flex-shrink-0 items-center justify-center rounded-xl" style={{ backgroundColor: `${color}22`, color }}>
+          <BookOpen size={20} />
+        </span>
+        <span className="flex-1">
+          <span className="block text-sm font-black leading-6 text-ink"><MathText text={unit.title} /></span>
+          <span className="mt-1 block"><ProgressBar percent={p.percent} color={color} height={6} /></span>
+          <span className="mt-1 block text-[11px] text-muted">{toFa(p.done)} از {toFa(p.total)} جزیره تموم شده</span>
+        </span>
+        <ChevronDown size={18} className={`flex-shrink-0 text-muted transition-transform ${open ? 'rotate-180' : ''}`} />
+      </button>
+      {open && (
+        <ul className="flex flex-col gap-1.5 border-t border-line px-3 py-3">
+          {unit.nodes.map((node) => (
+            <NodeRow key={node.id} node={node} color={color} open={openNode === node.id} onToggle={() => onToggleNode(node.id)} />
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}
+
+function NodeRow({ node, color, open, onToggle }: { node: HomeNode; color: string; open: boolean; onToggle: () => void }) {
+  const nav = useNav();
+  const locked = node.status === 'locked';
+  const done = node.status === 'completed';
+  const lessons = useAsync(() => (open && !locked ? api.nodeLessons(node.id) : Promise.resolve(null)), [node.id, open, locked]);
+  const playable = new Set(node.lessonIds);
+  const list = lessons.data?.lessons.filter((l) => playable.has(Number(l.id))) ?? [];
+
+  return (
+    <li className="rounded-xl bg-[#f7f8ff]">
+      <button
+        type="button"
+        disabled={locked}
+        onClick={onToggle}
+        aria-expanded={open}
+        className="flex w-full items-center gap-2.5 px-3 py-2.5 text-right disabled:opacity-60"
+      >
+        {locked ? <Lock size={17} className="flex-shrink-0 text-muted" /> : done ? <CheckCircle2 size={17} className="flex-shrink-0 text-mint" /> : <Circle size={17} style={{ color }} className="flex-shrink-0" />}
+        <span className="flex-1 text-sm font-bold text-ink"><MathText text={node.title} /></span>
+        {locked ? <span className="text-[11px] text-muted">قفله</span> : <ChevronDown size={16} className={`text-muted transition-transform ${open ? 'rotate-180' : ''}`} />}
+      </button>
+      {open && !locked && (
+        <div className="px-3 pb-3">
+          {lessons.loading ? (
+            <div className="py-3 text-center text-xs text-muted">دارم درس‌ها رو میارم…</div>
+          ) : lessons.error ? (
+            <ErrorState error={lessons.error} onRetry={lessons.reload} />
+          ) : (
+            <ul className="flex flex-col gap-1.5">
+              {list.map((l) => (
+                <li key={l.id}>
+                  <button
+                    type="button"
+                    onClick={() => nav.push({ name: 'lesson', lessonId: Number(l.id), nodeId: node.id })}
+                    className="flex w-full items-center gap-2.5 rounded-xl border border-line bg-white px-3 py-2 text-right text-sm"
+                  >
+                    {l.done ? <CheckCircle2 size={16} className="flex-shrink-0 text-mint" /> : <Circle size={16} className="flex-shrink-0 text-faint" />}
+                    <span className={`flex-1 ${l.done ? 'text-muted' : 'text-ink'}`}><MathText text={l.title} /></span>
+                  </button>
+                </li>
+              ))}
+            </ul>
+          )}
+          <button
+            type="button"
+            onClick={() => nav.push({ name: 'quiz', nodeId: node.id })}
+            className="mt-2.5 flex w-full items-center justify-center gap-2 rounded-xl py-2.5 text-sm font-black text-white"
+            style={{ backgroundColor: color, boxShadow: `0 3px 0 ${color}99` }}
+          >
+            <Play size={15} fill="white" /> {done ? 'دوباره تمرین کن' : 'آزمونِ این جزیره'}
+          </button>
+        </div>
+      )}
+    </li>
+  );
+}
diff --git a/src/screens/MapScreen.tsx b/src/screens/MapScreen.tsx
deleted file mode 100644
index 53b64ad..0000000
--- a/src/screens/MapScreen.tsx
+++ /dev/null
@@ -1,96 +0,0 @@
-import { motion } from 'motion/react';
-import { Check } from 'lucide-react';
-import { useAppData } from '@/state/AppData';
-import { unitColor, unitProgress } from '@/state/curriculum';
-import { useNav } from '@/nav/Navigator';
-import { SeyarMascot } from '@/mascots/SeyarMascot';
-import { EmptyState, ErrorState, LoadingState, ProgressBar, Screen, ScreenHeader, Sep } from '@/components/ui';
-import { ZigzagPath, zigzagPositions } from '@/components/ZigzagPath';
-import { iconFor } from '@/components/NodeIcon';
-import { toFa } from '@/lib/format';
-
-/** نقشه‌ی فصل‌های پایه: هر خانه یک فصل است. */
-export function MapScreen() {
-  const { home, homeError, refreshHome, gradeTitle } = useAppData();
-  const nav = useNav();
-  const units = home?.units ?? [];
-  const points = zigzagPositions(units.length, 150);
-  const height = points.length ? points[points.length - 1].y + 200 : 400;
-  const overall = Math.round(home?.stats.progressPercent ?? 0);
-
-  return (
-    <Screen className="bg-[#f7f8ff]">
-      <ScreenHeader
-        title="نقشه‌ی فصل‌ها"
-        subtitle={<>{gradeTitle && <>{gradeTitle}<Sep /></>}{toFa(overall)}٪ از کلِ مسیر</>}
-        color="#91ADC6"
-        mascot={{ char: 'sigma', mood: overall > 0 ? 'happy' : 'idle' }}
-      >
-        <div className="mt-4">
-          <ProgressBar percent={overall} color="#fff" track="rgba(255,255,255,.25)" />
-        </div>
-      </ScreenHeader>
-
-      <div className="flex-1 overflow-y-auto">
-        {!home ? (
-          homeError ? <ErrorState error={homeError} onRetry={() => void refreshHome()} /> : <LoadingState text="دارم فصل‌ها رو میارم…" />
-        ) : units.length === 0 ? (
-          <EmptyState text="هنوز فصلی برای این پایه ثبت نشده" />
-        ) : (
-          <div className="relative mx-auto w-full max-w-[400px]" style={{ height }}>
-            <ZigzagPath
-              points={points}
-              height={height}
-              colorOf={(i) => (units[i].nodes.some((n) => n.status !== 'locked') ? unitColor(i) : null)}
-            />
-            {units.map((unit, i) => {
-              const p = unitProgress(unit);
-              const color = unitColor(i);
-              const Icon = iconFor(unit.nodes[0]?.icon, i);
-              const complete = p.total > 0 && p.done === p.total;
-              return (
-                <motion.div
-                  key={unit.id}
-                  initial={{ opacity: 0, scale: 0.7 }}
-                  animate={{ opacity: 1, scale: 1 }}
-                  transition={{ delay: i * 0.05, type: 'spring', stiffness: 220, damping: 16 }}
-                  className="absolute flex -translate-x-1/2 -translate-y-1/2 flex-col items-center gap-1.5"
-                  style={{ left: `${points[i].x}%`, top: points[i].y }}
-                >
-                  <button
-                    type="button"
-                    aria-label={unit.title}
-                    onClick={() => nav.push({ name: 'unit', unitId: unit.id })}
-                    className="relative flex h-[84px] w-[84px] items-center justify-center rounded-[26px] transition-transform active:translate-y-1"
-                    style={{
-                      backgroundColor: complete ? color : '#fff',
-                      border: complete ? 'none' : `4px solid ${color}`,
-                      boxShadow: complete ? `0 6px 0 ${color}99` : `0 6px 0 ${color}40, 0 0 0 5px white`,
-                    }}
-                  >
-                    {complete ? <Check size={30} color="white" strokeWidth={3.5} /> : <Icon size={30} style={{ color }} strokeWidth={2.2} />}
-                    {!complete && p.done > 0 && (
-                      <span className="absolute -left-2 -top-2 rounded-full border bg-white px-1.5 py-0.5 text-[10px] font-black shadow" style={{ color, borderColor: color }}>
-                        {toFa(p.percent)}٪
-                      </span>
-                    )}
-                  </button>
-                  <div className="rounded-xl bg-[#f7f8ff]/90 px-2 py-0.5 text-center">
-                    <div className="line-clamp-2 max-w-[170px] text-xs font-black leading-5 text-ink">{unit.title}</div>
-                    <div className="mt-0.5 text-[10px] text-muted">{toFa(p.done)} از {toFa(p.total)} جزیره</div>
-                  </div>
-                </motion.div>
-              );
-            })}
-            <div className="absolute left-1/2 flex -translate-x-1/2 flex-col items-center" style={{ top: height - 150 }}>
-              <SeyarMascot char="pi" mood={overall >= 100 ? 'excited' : 'happy'} size={72} bob />
-              <div className="mt-1 whitespace-nowrap rounded-full border border-line bg-white px-3 py-1 text-[10px] font-bold text-[#7857E0] shadow-sm">
-                {overall >= 100 ? 'همه رو تموم کردی! 🎉' : 'همین‌جا منتظرتم'}
-              </div>
-            </div>
-          </div>
-        )}
-      </div>
-    </Screen>
-  );
-}
diff --git a/src/screens/QuizScreen.tsx b/src/screens/QuizScreen.tsx
index 477e47c..213f4a3 100644
--- a/src/screens/QuizScreen.tsx
+++ b/src/screens/QuizScreen.tsx
@@ -439,7 +439,7 @@ function Result({
         </PrimaryButton>
         {nodeMode && nextNode && (
           <button type="button" onClick={nav.back} className="-mt-2 py-2 text-sm font-bold text-muted">
-            فعلاً بسه، برگردیم به نقشه
+            فعلاً بسه، برگردیم
           </button>
         )}
       </div>