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

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

model User {
  id           String   @id @default(uuid())
  email        String   @unique
  passwordHash String
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  apiKeys  ApiKey[]
  entries  Entry[]
  journals Journal[]
  tasks    Task[]
  settings Settings?
}

model ApiKey {
  id         String   @id @default(uuid())
  userId     String
  keyHash    String   @unique
  name       String
  lastUsedAt DateTime?
  createdAt  DateTime @default(now())

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId])
}

model Entry {
  id        String   @id @default(uuid())
  userId    String
  date      String
  type      String
  content   String
  mediaPath String?
  metadata  String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, date])
  @@index([date])
}

model Journal {
  id          String   @id @default(uuid())
  userId      String
  date        String
  content     String
  entryCount  Int
  generatedAt DateTime @default(now())

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
  tasks Task[]

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

model Task {
  id          String   @id @default(uuid())
  userId     String
  journalId   String
  type       String   @default("journal_generate")
  status     String   @default("pending")
  provider   String
  model      String?
  prompt     String
  request    String?
  response   String?
  error      String?
  createdAt  DateTime @default(now())
  completedAt DateTime?

  user    User    @relation(fields: [userId], references: [id], onDelete: Cascade)
  journal Journal @relation(fields: [journalId], references: [id], onDelete: Cascade)

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

model Settings {
  userId        String @id
  aiProvider    String @default("openai")
  aiApiKey      String?
  aiModel       String @default("gpt-4")
  aiBaseUrl     String?
  journalPrompt String @default("You are a thoughtful journal writer. Based on the entries provided, write a reflective journal entry for this day in a warm, personal tone.")
  language      String @default("en")

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
}