generator client {
  provider = "cargo prisma"
  output   = "../src/prisma.rs"
}

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

model AuthorAnnotation {
  id        Int     @id @default(autoincrement())
  author_id Int     @unique @map("author")
  title     String  @db.VarChar(256)
  text      String
  file      String? @db.VarChar(256)
  author    Author  @relation(fields: [author_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_author_annotations_authors_id_author")

  @@index([author_id], map: "author_annotation_author_id")
  @@map("author_annotations")
}

model Author {
  id                Int               @id @default(autoincrement())
  source_id         Int               @map("source") @db.SmallInt
  remote_id         Int
  first_name        String            @db.VarChar(256)
  last_name         String            @db.VarChar(256)
  middle_name       String?           @db.VarChar(256)
  source            Source            @relation(fields: [source_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_authors_sources_id_source")
  author_annotation AuthorAnnotation?
  book_authors      BookAuthor[]
  translations      Translator[]

  @@unique([source_id, remote_id], map: "uc_authors_source_remote_id")
  @@map("authors")
}

model BookAnnotation {
  id      Int     @id @default(autoincrement())
  book_id Int     @unique @map("book")
  title   String  @db.VarChar(256)
  text    String
  file    String? @db.VarChar(256)
  book    Book    @relation(fields: [book_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_book_annotations_books_id_book")

  @@index([book_id], map: "book_annotation_book_id")
  @@map("book_annotations")
}

model BookAuthor {
  id        Int    @id @default(autoincrement())
  author_id Int    @map("author")
  book_id   Int    @map("book")
  author    Author @relation(fields: [author_id], references: [id], onDelete: Cascade, map: "fk_book_authors_authors_author_id")
  book      Book   @relation(fields: [book_id], references: [id], onDelete: Cascade, map: "fk_book_authors_books_book_id")

  @@unique([book_id, author_id], map: "uc_book_authors_book_author")
  @@index([author_id], map: "book_authors_author")
  @@index([book_id], map: "book_authors_book")
  @@map("book_authors")
}

model BookGenre {
  id       Int   @id @default(autoincrement())
  genre_id Int   @map("genre")
  book_id  Int   @map("book")
  book     Book  @relation(fields: [book_id], references: [id], onDelete: Cascade, map: "fk_book_genres_books_book_id")
  genre    Genre @relation(fields: [genre_id], references: [id], onDelete: Cascade, map: "fk_book_genres_genres_genre_id")

  @@unique([book_id, genre_id], map: "uc_book_genres_book_genre")
  @@index([book_id], map: "book_genres_book")
  @@index([genre_id], map: "book_genres_genre")
  @@map("book_genres")
}

model BookSequence {
  id          Int      @id @default(autoincrement())
  position    Int      @db.SmallInt
  sequence_id Int      @map("sequence")
  book_id     Int      @map("book")
  book        Book     @relation(fields: [book_id], references: [id], onDelete: Cascade, map: "fk_book_sequences_books_book_id")
  sequence    Sequence @relation(fields: [sequence_id], references: [id], onDelete: Cascade, map: "fk_book_sequences_sequences_sequence_id")

  @@unique([book_id, sequence_id], map: "uc_book_sequences_book_sequence")
  @@index([book_id], map: "book_sequences_book")
  @@index([sequence_id], map: "book_sequences_sequence")
  @@map("book_sequences")
}

model Book {
  id              Int             @id @default(autoincrement())
  source_id       Int             @map("source") @db.SmallInt
  remote_id       Int
  title           String          @db.VarChar(256)
  lang            String          @db.VarChar(3)
  file_type       String          @db.VarChar(4)
  uploaded        DateTime        @db.Date
  is_deleted      Boolean         @default(false)
  pages           Int?
  source          Source          @relation(fields: [source_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_books_sources_id_source")
  book_annotation BookAnnotation?
  book_authors    BookAuthor[]
  book_genres     BookGenre[]
  book_sequences  BookSequence[]
  translations    Translator[]

  @@unique([source_id, remote_id], map: "uc_books_source_remote_id")
  @@index([file_type], map: "ix_books_file_type")
  @@index([uploaded], map: "ix_books_uploaded")
  @@map("books")
}

model Genre {
  id          Int         @id @default(autoincrement())
  source_id   Int         @map("source") @db.SmallInt
  remote_id   Int
  code        String      @db.VarChar(45)
  description String      @db.VarChar(99)
  meta        String      @db.VarChar(45)
  source      Source      @relation(fields: [source_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_genres_sources_id_source")
  book_genres BookGenre[]

  @@unique([source_id, remote_id], map: "uc_genres_source_remote_id")
  @@map("genres")
}

model Sequence {
  id             Int            @id @default(autoincrement())
  source_id      Int            @map("source") @db.SmallInt
  remote_id      Int
  name           String         @db.VarChar(256)
  source         Source         @relation(fields: [source_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_sequences_sources_id_source")
  book_sequences BookSequence[]

  @@unique([source_id, remote_id], map: "uc_sequences_source_remote_id")
  @@map("sequences")
}

model Source {
  id        Int        @id @default(autoincrement()) @db.SmallInt
  name      String     @unique @db.VarChar(32)
  authors   Author[]
  books     Book[]
  genres    Genre[]
  sequences Sequence[]

  @@map("sources")
}

model Translator {
  id        Int    @id @default(autoincrement())
  position  Int    @db.SmallInt
  author_id Int    @map("author")
  book_id   Int    @map("book")
  author    Author @relation(fields: [author_id], references: [id], onDelete: Cascade, map: "fk_translations_authors_author_id")
  book      Book   @relation(fields: [book_id], references: [id], onDelete: Cascade, map: "fk_translations_books_book_id")

  @@unique([book_id, author_id], map: "uc_translations_book_author")
  @@index([author_id], map: "translations_author")
  @@index([book_id], map: "translations_book")
  @@map("translations")
}