generator client {
  provider = "prisma-client-js"
}

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

model User {
  id          String   @id @default(cuid())
  email       String   @unique
  name        String
  avatarColor String   @default("#00a82d")
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}

model NotebookStack {
  id        String     @id @default(cuid())
  userId    String     @default("default")
  name      String
  sortOrder Int        @default(0)
  createdAt DateTime   @default(now())
  updatedAt DateTime   @updatedAt
  notebooks Notebook[]

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

model Notebook {
  id            String          @id @default(cuid())
  userId        String          @default("default")
  name          String
  stackId       String?
  stack         NotebookStack?  @relation(fields: [stackId], references: [id], onDelete: SetNull)
  isDefault     Boolean         @default(false)
  isShortcut    Boolean         @default(false)
  sortOrder     Int             @default(0)
  createdAt     DateTime        @default(now())
  updatedAt     DateTime        @updatedAt
  notes         Note[]
  autoSortRules AutoSortRule[]
  shares        NotebookShare[]

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

model NotebookShare {
  id         String   @id @default(cuid())
  notebookId String
  notebook   Notebook @relation(fields: [notebookId], references: [id], onDelete: Cascade)
  userId     String   // Collaborator user ID
  role       String   @default("write") // "read" | "write"
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

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

model Note {
  id           String        @id @default(cuid())
  userId       String        @default("default")
  title        String        @default("Untitled Note")
  contentHtml  String        @default("")
  contentText  String        @default("")
  excerpt      String        @default("")
  notebookId   String
  notebook     Notebook      @relation(fields: [notebookId], references: [id], onDelete: Cascade)
  isPinned     Boolean       @default(false)
  isShortcut   Boolean       @default(false)
  isTrashed    Boolean       @default(false)
  trashedAt    DateTime?
  thumbnailUrl String?
  sourceUrl    String?
  author       String?
  latitude     Float?
  longitude    Float?
  reminderAt   DateTime?
  reminderDone Boolean       @default(false)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @default(now())
  tags         NoteTag[]
  attachments  Attachment[]
  history      NoteHistory[]

  @@index([userId, isTrashed, isPinned, updatedAt(sort: Desc)])
  @@index([notebookId, isTrashed, updatedAt(sort: Desc)])
  @@index([isTrashed, isPinned, updatedAt(sort: Desc)])
  @@index([isShortcut, isTrashed])
  @@index([createdAt(sort: Desc)])
  @@index([title])
}

model NoteHistory {
  id          String   @id @default(cuid())
  noteId      String
  note        Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
  title       String
  contentHtml String
  contentText String
  excerpt     String   @default("")
  wordCount   Int      @default(0)
  createdBy   String?
  createdAt   DateTime @default(now())

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

model Tag {
  id         String    @id @default(cuid())
  userId     String    @default("default")
  name       String
  color      String    @default("#00a82d")
  parentId   String?
  parent     Tag?      @relation("TagHierarchy", fields: [parentId], references: [id], onDelete: SetNull)
  children   Tag[]     @relation("TagHierarchy")
  isShortcut Boolean   @default(false)
  createdAt  DateTime  @default(now())
  updatedAt  DateTime  @updatedAt
  notes      NoteTag[]

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

model NoteTag {
  noteId     String
  tagId      String
  note       Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
  tag        Tag      @relation(fields: [tagId], references: [id], onDelete: Cascade)
  assignedAt DateTime @default(now())

  @@id([noteId, tagId])
  @@index([tagId])
}

model Attachment {
  id            String   @id @default(cuid())
  noteId        String
  note          Note     @relation(fields: [noteId], references: [id], onDelete: Cascade)
  filename      String
  mimeType      String
  sizeBytes     Int
  md5Hash       String
  storagePath   String
  width         Int?
  height        Int?
  extractedText String?
  createdAt     DateTime @default(now())

  @@index([noteId])
  @@index([md5Hash])
}

model SavedSearch {
  id         String   @id @default(cuid())
  userId     String   @default("default")
  name       String
  query      String
  isShortcut Boolean  @default(false)
  sortOrder  Int      @default(0)
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

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

model ApiKey {
  id         String    @id @default(cuid())
  userId     String    @default("default")
  name       String
  keyHash    String    @unique
  keyPrefix  String
  lastUsedAt DateTime?
  createdAt  DateTime  @default(now())
}

model ImportJob {
  id             String   @id @default(cuid())
  userId         String   @default("default")
  sourceType     String
  filename       String
  status         String   @default("running")
  totalNotes     Int      @default(0)
  processedNotes Int      @default(0)
  failedNotes    Int      @default(0)
  errorLog       String?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt
}

model EmailConfig {
  id              String    @id @default("default")
  userId          String    @default("default")
  enabled         Boolean   @default(false)
  imapHost        String    @default("imap.gmail.com")
  imapPort        Int       @default(993)
  imapSecure      Boolean   @default(true)
  imapUser        String    @default("")
  imapPassword    String    @default("")
  mailbox         String    @default("INBOX")
  subjectFilter   String    @default("")
  allowedSenders  String    @default("")
  defaultNotebook String    @default("Inbox")
  defaultTags     String    @default("emailed")
  markSeen        Boolean   @default(true)
  lastCheckedAt   DateTime?
  lastStatus      String?
  emailsImported  Int       @default(0)
  updatedAt       DateTime  @updatedAt
}

model AutoSortRule {
  id                String    @id @default(cuid())
  userId            String    @default("default")
  name              String
  enabled           Boolean   @default(true)
  priority          Int       @default(0)
  conditionField    String    @default("title") // title | content | sourceUrl | author | attachmentType | hasTodo
  conditionOperator String    @default("contains") // contains | not_contains | equals | startsWith | endsWith | matchesRegex
  conditionValue    String    @default("")
  targetNotebookId  String?
  targetNotebook    Notebook? @relation(fields: [targetNotebookId], references: [id], onDelete: SetNull)
  addTags           String    @default("") // comma-separated tag names
  isPinned          Boolean?
  isShortcut        Boolean?
  stopOnMatch       Boolean   @default(true)
  createdAt         DateTime  @default(now())
  updatedAt         DateTime  @updatedAt

  @@index([userId, enabled, priority])
  @@index([targetNotebookId])
}