generator client {
  provider      = "prisma-client-js"
  binaryTargets = ["debian-openssl-3.0.x", "native"]
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

model User {
  id                 String              @id @default(cuid())
  name               String?
  email              String              @unique
  emailVerified      DateTime?
  password           String?
  role               String              @default("USER")
  image              String?
  theme              String              @default("light")
  resetToken         String?             @unique
  resetTokenExpiry   DateTime?
  createdAt          DateTime            @default(now())
  updatedAt          DateTime            @updatedAt
  cardSizeMode       String              @default("variable")
  accounts           Account[]
  agents             Agent[]
  aiFeedback         AiFeedback[]
  canvases           Canvas[]
  conversations      Conversation[]
  labels             Label[]
  memoryEchoInsights MemoryEchoInsight[]
  notes              Note[]
  noteHistories      NoteHistory[]
  sentShares         NoteShare[]         @relation("SentShares")
  receivedShares     NoteShare[]         @relation("ReceivedShares")
  notebooks          Notebook[]
  sessions           Session[]
  aiSettings         UserAISettings?
  workflows          Workflow[]
  notifications      Notification[]
}

model Account {
  userId            String
  type              String
  provider          String
  providerAccountId String
  refresh_token     String?
  access_token      String?
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String?
  session_state     String?
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt
  user              User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@id([provider, providerAccountId])
}

model Session {
  sessionToken String   @unique
  userId       String
  expires      DateTime
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt
  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
}

model VerificationToken {
  identifier String
  token      String
  expires    DateTime

  @@id([identifier, token])
}

model Notebook {
  id            String         @id @default(cuid())
  name          String
  icon          String?
  color         String?
  order         Int
  parentId      String?
  trashedAt     DateTime?
  userId        String
  createdAt     DateTime       @default(now())
  updatedAt     DateTime       @updatedAt
  agents        Agent[]
  conversations Conversation[]
  labels        Label[]
  notes         Note[]
  user          User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  workflows     Workflow[]
  parent        Notebook?      @relation("NotebookTree", fields: [parentId], references: [id], onDelete: Cascade)
  children      Notebook[]     @relation("NotebookTree")

  @@index([userId, order])
  @@index([userId])
  @@index([parentId])
  @@index([trashedAt])
}

model Label {
  id         String    @id @default(cuid())
  name       String
  color      String    @default("gray")
  type       String    @default("user")  // "ai" or "user"
  notebookId String?
  userId     String?
  createdAt  DateTime  @default(now())
  updatedAt  DateTime  @updatedAt
  notebook   Notebook? @relation(fields: [notebookId], references: [id], onDelete: Cascade)
  user       User?     @relation(fields: [userId], references: [id], onDelete: Cascade)
  notes      Note[]    @relation("LabelToNote")

  @@unique([notebookId, name])
  @@index([notebookId])
  @@index([userId])
}

model Note {
  id                  String              @id @default(cuid())
  title               String?
  content             String
  color               String              @default("default")
  isPinned            Boolean             @default(false)
  isArchived          Boolean             @default(false)
  type                String              @default("richtext")
  dismissedFromRecent Boolean             @default(false)
  checkItems          String?
  labels              String?
  images              String?
  /// Illustration SVG (sanitized) for editorial feed thumbnail — optional, peut être généré par IA
  illustrationSvg     String?
  links               String?
  reminder            DateTime?
  isReminderDone      Boolean             @default(false)
  reminderRecurrence  String?
  reminderLocation    String?
  isMarkdown          Boolean             @default(false) // DEPRECATED: use type = 'markdown' instead
  size                String              @default("small")
  sharedWith          String?
  userId              String?
  order               Int                 @default(0)
  notebookId          String?
  createdAt           DateTime            @default(now())
  updatedAt           DateTime            @updatedAt
  contentUpdatedAt    DateTime            @default(now())
  autoGenerated       Boolean?
  aiProvider          String?
  aiConfidence        Int?
  language            String?
  languageConfidence  Float?
  lastAiAnalysis      DateTime?
  trashedAt           DateTime?
  tsv                 Unsupported("tsvector")?
  aiFeedback          AiFeedback[]
  memoryEchoAsNote1   MemoryEchoInsight[] @relation("EchoNote1")
  memoryEchoAsNote2   MemoryEchoInsight[] @relation("EchoNote2")
  notebook            Notebook?           @relation(fields: [notebookId], references: [id])
  user                User?               @relation(fields: [userId], references: [id], onDelete: Cascade)
  noteEmbedding       NoteEmbedding?
  shares              NoteShare[]
  labelRelations      Label[]             @relation("LabelToNote")
  historyEntries      NoteHistory[]
  historyEnabled      Boolean         @default(false)

  @@index([isPinned])
  @@index([isArchived])
  @@index([trashedAt])
  @@index([order])
  @@index([reminder])
  @@index([userId])
  @@index([userId, notebookId])
}

model NoteHistory {
  id         String   @id @default(cuid())
  noteId      String
  userId      String
  version     Int
  reason      String?
  title       String?
  content     String
  color       String
  isPinned    Boolean
  isArchived  Boolean
  type        String
  checkItems  String?
  labels      String?
  images      String?
  links       String?
  isMarkdown  Boolean
  size        String
  notebookId  String?
  createdAt   DateTime @default(now())
  note        Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
  user        User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([noteId, version])
  @@index([noteId, createdAt(sort: Desc)])
  @@index([userId, noteId, createdAt(sort: Desc)])
}

model NoteShare {
  id          String    @id @default(cuid())
  noteId      String
  userId      String
  sharedBy    String
  status      String    @default("pending")
  permission  String    @default("view")
  notifiedAt  DateTime?
  respondedAt DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
  note        Note      @relation(fields: [noteId], references: [id], onDelete: Cascade)
  sharer      User      @relation("SentShares", fields: [sharedBy], references: [id], onDelete: Cascade)
  user        User      @relation("ReceivedShares", fields: [userId], references: [id], onDelete: Cascade)

  @@unique([noteId, userId])
  @@index([userId])
  @@index([status])
  @@index([sharedBy])
}

model SystemConfig {
  key   String @id
  value String
}

model AiFeedback {
  id               String   @id @default(cuid())
  noteId           String
  userId           String?
  feedbackType     String
  feature          String
  originalContent  String
  correctedContent String?
  metadata         String?
  createdAt        DateTime @default(now())
  note             Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
  user             User?    @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([noteId])
  @@index([userId])
  @@index([feature])
}

model MemoryEchoInsight {
  id              String   @id @default(cuid())
  userId          String?
  note1Id         String
  note2Id         String
  similarityScore Float
  insight         String
  insightDate     DateTime @default(now())
  viewed          Boolean  @default(false)
  feedback        String?
  dismissed       Boolean  @default(false)
  note1           Note     @relation("EchoNote1", fields: [note1Id], references: [id], onDelete: Cascade)
  note2           Note     @relation("EchoNote2", fields: [note2Id], references: [id], onDelete: Cascade)
  user            User?    @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, insightDate])
  @@index([userId, insightDate])
  @@index([userId, dismissed])
}

model UserAISettings {
  userId               String  @id
  titleSuggestions     Boolean @default(true)
  semanticSearch       Boolean @default(true)
  paragraphRefactor    Boolean @default(true)
  memoryEcho           Boolean @default(true)
  memoryEchoFrequency  String  @default("daily")
  aiProvider           String  @default("auto")
  preferredLanguage    String  @default("auto")
  fontSize             String  @default("medium")
  demoMode             Boolean @default(false)
  showRecentNotes      Boolean @default(true)
  emailNotifications   Boolean @default(false)
  desktopNotifications Boolean @default(false)
  anonymousAnalytics   Boolean @default(false)
  autoLabeling         Boolean @default(true)
  noteHistory          Boolean @default(false)
  noteHistoryMode      String  @default("manual")
  languageDetection    Boolean @default(true)
  fontFamily           String  @default("inter")
  autoSave             Boolean @default(true)
  user                 User    @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([memoryEcho])
  @@index([aiProvider])
  @@index([memoryEchoFrequency])
  @@index([preferredLanguage])
}

model NoteEmbedding {
  id        String   @id @default(cuid())
  noteId    String   @unique
  embedding Unsupported("vector(1536)")
  createdAt DateTime @default(now())
  updatedAt DateTime @default(now()) @updatedAt
  note      Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)

  @@index([noteId])
}

model Agent {
  id               String        @id @default(cuid())
  name             String
  description      String?
  type             String?       @default("scraper")
  role             String
  sourceUrls       String?
  frequency        String        @default("manual")
  lastRun          DateTime?
  nextRun          DateTime?
  isEnabled        Boolean       @default(true)
  targetNotebookId String?
  sourceNotebookId String?
  sourceNoteIds    String?
  slideTheme       String?
  slideStyle       String?
  tools            String?       @default("[]")
  maxSteps         Int           @default(10)
  notifyEmail      Boolean       @default(false)
  includeImages    Boolean       @default(false)
  userId           String
  createdAt        DateTime      @default(now())
  updatedAt        DateTime      @updatedAt
  scheduledTime    String?       @default("08:00")
  scheduledDay     Int?
  timezone         String?
  notebook         Notebook?     @relation(fields: [targetNotebookId], references: [id])
  user             User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  actions          AgentAction[]

  @@index([userId])
  @@index([isEnabled])
}

model AgentAction {
  id         String   @id @default(cuid())
  agentId    String
  status     String   @default("pending")
  result     String?
  log        String?
  input      String?
  toolLog    String?
  tokensUsed Int?
  createdAt  DateTime @default(now())
  agent      Agent    @relation(fields: [agentId], references: [id], onDelete: Cascade)

  @@index([agentId])
}

model Conversation {
  id         String        @id @default(cuid())
  title      String?
  userId     String
  notebookId String?
  createdAt  DateTime      @default(now())
  updatedAt  DateTime      @updatedAt
  messages   ChatMessage[]
  notebook   Notebook?     @relation(fields: [notebookId], references: [id])
  user       User          @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
  @@index([notebookId])
}

model ChatMessage {
  id             String       @id @default(cuid())
  conversationId String
  role           String
  content        String
  createdAt      DateTime     @default(now())
  conversation   Conversation @relation(fields: [conversationId], references: [id], onDelete: Cascade)

  @@index([conversationId])
}

model Canvas {
  id        String   @id @default(cuid())
  name      String
  data      String
  userId    String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

model Workflow {
  id          String        @id @default(cuid())
  name        String
  description String?
  graph       String        @default("{\"nodes\":[],\"edges\":[]}")
  isEnabled   Boolean       @default(true)
  userId      String
  notebookId  String?
  createdAt   DateTime      @default(now())
  updatedAt   DateTime      @updatedAt
  notebook    Notebook?     @relation(fields: [notebookId], references: [id])
  user        User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  runs        WorkflowRun[]

  @@index([userId])
  @@index([isEnabled])
}

model WorkflowRun {
  id         String   @id @default(cuid())
  workflowId String
  status     String   @default("running")
  log        String?
  createdAt  DateTime @default(now())
  workflow   Workflow @relation(fields: [workflowId], references: [id], onDelete: Cascade)

  @@index([workflowId])
  @@index([status])
}

model Notification {
  id         String   @id @default(cuid())
  userId     String
  type       String   // "agent_success", "agent_failure", "share", "reminder", "system"
  title      String
  message    String?
  read       Boolean  @default(false)
  actionUrl  String?  // e.g. "/agents" or "/notes/xxx"
  relatedId  String?  // e.g. agentId or noteId
  createdAt  DateTime @default(now())
  user       User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, read])
  @@index([userId, createdAt])
}