fixing stuff

Mindforge.API/Models/Requests/FlashcardGenerateRequest.cs

@@ -13,6 +13,6 @@ namespace Mindforge.API.Models.Requests
     public enum FlashcardDifficulty
     {
         Easy,
-        Hard
+        Medium
     }
 }

Mindforge.API/Services/FlashcardService.cs

@@ -36,9 +36,9 @@ namespace Mindforge.API.Services
                 throw new UserException("Selecione ao menos um arquivo para gerar flashcards.");
             }
 
-            if (request.Amount is < 10 or > 30)
+            if (request.Amount is < 10 or > 50)
             {
-                throw new UserException("A quantidade de flashcards deve estar entre 10 e 30 por arquivo.");
+                throw new UserException("A quantidade de flashcards deve estar entre 10 e 50 por arquivo.");
             }
 
             var uniqueFilePaths = request.FilePaths
@@ -166,7 +166,7 @@ namespace Mindforge.API.Services
         {
             var difficultyInstruction = difficulty switch
             {
-                FlashcardDifficulty.Hard => "Crie perguntas mais desafiadoras, focando diferencas finas e cobrancas de prova.",
+                FlashcardDifficulty.Medium => "Crie perguntas de nivel intermediario, combinando conceitos e exigindo raciocínio moderado.",
                 _ => "Crie perguntas diretas e objetivas para facilitar memorizacao inicial."
             };
 

Mindforge.Web/src/components/Button.css

@@ -30,6 +30,13 @@
   transform: translateY(0);
 }
 
+.btn:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+  transform: none;
+  box-shadow: none;
+}
+
 .btn-secondary {
   background: transparent;
   color: var(--color-text-creamy);

Mindforge.Web/src/components/FlashcardComponent.tsx

@@ -9,10 +9,10 @@ import { Button } from './Button';
 import './FlashcardComponent.css';
 
 const minAmount = 10;
-const maxAmount = 30;
+const maxAmount = 50;
 
 function difficultyLabel(difficulty: string) {
-  return difficulty === 'Hard' ? 'Dificil' : 'Facil';
+  return difficulty === 'Medium' ? 'Medio' : 'Facil';
 }
 
 export function FlashcardComponent() {
@@ -98,14 +98,14 @@ export function FlashcardComponent() {
             <div className="radio-item">
               <input
                 type="radio"
-                id="difficulty-hard"
+                id="difficulty-medium"
                 name="difficulty"
-                value="Hard"
+                value="Medium"
-                checked={difficulty === 'Hard'}
+                checked={difficulty === 'Medium'}
-                onChange={() => setDifficulty('Hard')}
+                onChange={() => setDifficulty('Medium')}
               />
-              <label htmlFor="difficulty-hard" className="radio-label" title="Perguntas mais desafiadoras">
+              <label htmlFor="difficulty-medium" className="radio-label" title="Perguntas de nivel intermediario">
-                Dificil
+                Medio
               </label>
             </div>
           </div>

Mindforge.Web/src/components/FlashcardReviewComponent.tsx

@@ -21,7 +21,7 @@ function groupLibrariesBySubject(libraries: FlashcardLibrarySummary[]) {
 }
 
 function difficultyLabel(difficulty: string) {
-  return difficulty === 'Hard' ? 'Dificil' : 'Facil';
+  return difficulty === 'Medium' ? 'Medio' : 'Facil';
 }
 
 function shuffleCards(cards: FlashcardCard[]) {

Mindforge.Web/src/components/SpacedReviewComponent.css

@@ -80,6 +80,21 @@
   font-size: 1.05rem;
 }
 
+.spaced-review-subject-toggle,
+.spaced-review-subsubject-toggle {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  cursor: pointer;
+}
+
+.spaced-review-subject-toggle input[type="checkbox"],
+.spaced-review-subsubject-toggle input[type="checkbox"] {
+  width: 16px;
+  height: 16px;
+  accent-color: var(--color-accent);
+}
+
 .spaced-review-subject-header p {
   margin: 0.35rem 0 0;
   font-size: 0.9rem;

Mindforge.Web/src/components/SpacedReviewComponent.tsx

@@ -100,6 +100,8 @@ export function SpacedReviewComponent() {
   const [error, setError] = useState<string | null>(null);
   const [selectedStatuses, setSelectedStatuses] = useState<FlashcardRagStatus[]>(['Red', 'Amber', 'Green', 'Grey']);
   const [selectedLibraryIds, setSelectedLibraryIds] = useState<number[]>([]);
+  const [selectedSubjects, setSelectedSubjects] = useState<string[]>([]);
+  const [selectedSubSubjects, setSelectedSubSubjects] = useState<string[]>([]);
   const [startingSession, setStartingSession] = useState(false);
   const [sessionCards, setSessionCards] = useState<FlashcardCard[]>([]);
   const [sessionLibraries, setSessionLibraries] = useState<FlashcardRagLibrary[]>([]);
@@ -161,6 +163,49 @@ export function SpacedReviewComponent() {
     };
   }, []);
 
+  const startSession = async () => {
+    if (selectedStatuses.length === 0) {
+      setError('Selecione ao menos um status para iniciar a revisao.');
+      return;
+    }
+
+    if (selectedLibraryIds.length === 0) {
+      setError('Selecione ao menos um arquivo para iniciar a revisao.');
+      return;
+    }
+
+    if (selectedRagLibraries.length === 0) {
+      setError('Nenhum arquivo encontrado com os filtros atuais. Ajuste os status ou os arquivos selecionados.');
+      return;
+    }
+
+    setStartingSession(true);
+    setError(null);
+
+    try {
+      const ragByLibraryId = new Map(selectedRagLibraries.map((library) => [library.libraryId, library]));
+      const libraryIds = Array.from(new Set(selectedRagLibraries.map((library) => library.libraryId)));
+      const response = await MindforgeApiService.createFlashcardReviewSession({ libraryIds });
+      const allowedLibraryIds = new Set(libraryIds);
+      const filteredCards = response.cards.filter((card) => allowedLibraryIds.has(card.libraryId));
+      const orderedCards = orderCardsForSession(filteredCards, ragByLibraryId);
+
+      if (orderedCards.length === 0) {
+        setError('Os filtros selecionados nao retornaram cards para revisar.');
+        return;
+      }
+
+      setSessionLibraries(selectedRagLibraries);
+      setSessionCards(orderedCards);
+      setCurrentIndex(0);
+      setShowAnswer(false);
+    } catch (err: any) {
+      setError(err?.message || 'Falha ao iniciar revisao espacada.');
+    } finally {
+      setStartingSession(false);
+    }
+  };
+
   const allRagLibraries = useMemo(() => {
     if (!dashboard) {
       return [];
@@ -210,6 +255,64 @@ export function SpacedReviewComponent() {
     setSelectedLibraryIds([...selectedLibraryIds, libraryId]);
   };
 
+  const toggleSubject = (subject: string) => {
+    if (selectedSubjects.includes(subject)) {
+      setSelectedSubjects(selectedSubjects.filter((s) => s !== subject));
+      const subjectGroup = dashboard?.subjects.find((s) => s.subject === subject);
+      if (subjectGroup) {
+        const libraryIdsToRemove = subjectGroup.subSubjects.flatMap((ss) =>
+          ss.libraries.map((lib) => lib.libraryId));
+        setSelectedLibraryIds((current) => current.filter((id) => !libraryIdsToRemove.includes(id)));
+        const subSubjectKeysToRemove = subjectGroup.subSubjects.map((ss) => `${subject}::${ss.subSubject}`);
+        setSelectedSubSubjects((current) => current.filter((key) => !subSubjectKeysToRemove.includes(key)));
+      }
+      return;
+    }
+
+    setSelectedSubjects([...selectedSubjects, subject]);
+    const subjectGroup = dashboard?.subjects.find((s) => s.subject === subject);
+    if (subjectGroup) {
+      const libraryIdsToAdd = subjectGroup.subSubjects.flatMap((ss) =>
+        ss.libraries.map((lib) => lib.libraryId));
+      setSelectedLibraryIds((current) => [...new Set([...current, ...libraryIdsToAdd])]);
+      const subSubjectKeysToAdd = subjectGroup.subSubjects.map((ss) => `${subject}::${ss.subSubject}`);
+      setSelectedSubSubjects((current) => [...new Set([...current, ...subSubjectKeysToAdd])]);
+    }
+  };
+
+  const toggleSubSubject = (subject: string, subSubject: string) => {
+    const key = `${subject}::${subSubject}`;
+    if (selectedSubSubjects.includes(key)) {
+      setSelectedSubSubjects(selectedSubSubjects.filter((k) => k !== key));
+      const subjectGroup = dashboard?.subjects.find((s) => s.subject === subject);
+      const subSubjectGroup = subjectGroup?.subSubjects.find((ss) => ss.subSubject === subSubject);
+      if (subSubjectGroup) {
+        const libraryIdsToRemove = subSubjectGroup.libraries.map((lib) => lib.libraryId);
+        setSelectedLibraryIds((current) => current.filter((id) => !libraryIdsToRemove.includes(id)));
+      }
+      const parentSubjectStillSelected = selectedSubSubjects.some((k) =>
+        k.startsWith(`${subject}::`) && k !== key);
+      if (!parentSubjectStillSelected) {
+        setSelectedSubjects((current) => current.filter((s) => s !== subject));
+      }
+      return;
+    }
+
+    setSelectedSubSubjects([...selectedSubSubjects, key]);
+    const subjectGroup = dashboard?.subjects.find((s) => s.subject === subject);
+    const subSubjectGroup = subjectGroup?.subSubjects.find((ss) => ss.subSubject === subSubject);
+    if (subSubjectGroup) {
+      const libraryIdsToAdd = subSubjectGroup.libraries.map((lib) => lib.libraryId);
+      setSelectedLibraryIds((current) => [...new Set([...current, ...libraryIdsToAdd])]);
+    }
+    const allSubSubjects = subjectGroup?.subSubjects.map((ss) => `${subject}::${ss.subSubject}`) || [];
+    const allSelected = allSubSubjects.every((k) =>
+      k === key || selectedSubSubjects.includes(k));
+    if (allSelected && subject && !selectedSubjects.includes(subject)) {
+      setSelectedSubjects((current) => [...current, subject]);
+    }
+  };
+
   const startSession = async () => {
     if (selectedStatuses.length === 0) {
       setError('Selecione ao menos um status para iniciar a revisao.');
@@ -335,7 +438,14 @@ export function SpacedReviewComponent() {
                 {dashboard.subjects.map((subjectGroup) => (
                   <section key={subjectGroup.subject} className="spaced-review-subject">
                     <header className="spaced-review-subject-header">
+                      <label className="spaced-review-subject-toggle">
+                        <input
+                          type="checkbox"
+                          checked={selectedSubjects.includes(subjectGroup.subject)}
+                          onChange={() => toggleSubject(subjectGroup.subject)}
+                        />
                         <h3>{subjectGroup.subject}</h3>
+                      </label>
                       <p>{summaryText(
                         subjectGroup.summary.activeCount,
                         subjectGroup.summary.greenPercentage,
@@ -352,7 +462,14 @@ export function SpacedReviewComponent() {
                       {subjectGroup.subSubjects.map((subSubjectGroup) => (
                         <div key={`${subjectGroup.subject}::${subSubjectGroup.subSubject}`} className="spaced-review-subsubject-block">
                           <div className="spaced-review-subsubject-header">
+                            <label className="spaced-review-subsubject-toggle">
+                              <input
+                                type="checkbox"
+                                checked={selectedSubSubjects.includes(`${subjectGroup.subject}::${subSubjectGroup.subSubject}`)}
+                                onChange={() => toggleSubSubject(subjectGroup.subject, subSubjectGroup.subSubject)}
+                              />
                               <strong>{subSubjectGroup.subSubject}</strong>
+                            </label>
                             <span>{summaryText(
                               subSubjectGroup.summary.activeCount,
                               subSubjectGroup.summary.greenPercentage,

Mindforge.Web/src/services/MindforgeApiService.ts

@@ -26,7 +26,7 @@ export interface CheckFileResponse {
   result: string;
 }
 
-export type FlashcardDifficulty = 'Easy' | 'Hard';
+export type FlashcardDifficulty = 'Easy' | 'Medium';
 
 export interface GenerateFlashcardsRequest {
   filePaths: string[];