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

datasource db {
  provider = "postgresql"
}

enum Role {
  USER
  ADMIN
}

enum QrStatus {
  PENDING
  SCANNED
  CONFIRMED
  EXPIRED
}

model User {
  id              String    @id @default(uuid()) @db.Uuid
  email           String    @unique
  phone           String?   @unique
  passwordHash    String?   @map("password_hash")
  displayName     String?   @map("display_name")
  avatarUrl       String?   @map("avatar_url")
  role            Role      @default(USER)
  isActive        Boolean   @default(true) @map("is_active")
  emailVerifiedAt DateTime? @map("email_verified_at")
  phoneVerifiedAt DateTime? @map("phone_verified_at")
  createdAt       DateTime  @default(now()) @map("created_at")
  updatedAt       DateTime  @updatedAt @map("updated_at")

  ownedClients     Client[]         @relation("ClientOwner")
  sessions         Session[]
  auditLogs        AuditLog[]
  verificationCodes VerificationCode[]
  qrSessions       QrSession[]

  @@map("users")
}

model Client {
  id             String   @id @default(uuid()) @db.Uuid
  name           String
  description    String?
  clientId       String   @unique @map("client_id")
  clientSecret   String?  @map("client_secret")
  redirectUris   String[] @map("redirect_uris")
  grants         String[]
  isConfidential Boolean  @default(true) @map("is_confidential")
  ownerId        String?  @map("owner_id") @db.Uuid
  logoUrl        String?  @map("logo_url")
  createdAt      DateTime @default(now()) @map("created_at")
  updatedAt      DateTime @updatedAt @map("updated_at")

  owner    User?     @relation("ClientOwner", fields: [ownerId], references: [id], onDelete: SetNull)
  sessions Session[]

  @@map("clients")
}

model Session {
  id         String   @id @default(uuid()) @db.Uuid
  userId     String   @map("user_id") @db.Uuid
  clientId   String?  @map("client_id") @db.Uuid
  ip         String?
  userAgent  String?  @map("user_agent")
  isActive   Boolean  @default(true) @map("is_active")
  expiresAt  DateTime @map("expires_at")
  createdAt  DateTime @default(now()) @map("created_at")
  lastUsedAt DateTime @default(now()) @map("last_used_at")

  user          User           @relation(fields: [userId], references: [id], onDelete: Cascade)
  client        Client?        @relation(fields: [clientId], references: [id], onDelete: SetNull)
  refreshTokens RefreshToken[]

  @@map("sessions")
}

model RefreshToken {
  id        String   @id @default(uuid()) @db.Uuid
  tokenHash String   @unique @map("token_hash")
  sessionId String   @map("session_id") @db.Uuid
  expiresAt DateTime @map("expires_at")
  revoked   Boolean  @default(false)
  createdAt DateTime @default(now()) @map("created_at")

  session Session @relation(fields: [sessionId], references: [id], onDelete: Cascade)

  @@map("refresh_tokens")
}

model VerificationCode {
  id        String   @id @default(uuid()) @db.Uuid
  userId    String?  @map("user_id") @db.Uuid
  target    String
  channel   String
  code      String
  purpose   String   @default("AUTH")
  expiresAt DateTime @map("expires_at")
  usedAt    DateTime? @map("used_at")
  createdAt DateTime @default(now()) @map("created_at")

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

  @@map("verification_codes")
}

model QrSession {
  id        String   @id @default(uuid()) @db.Uuid
  sessionId String   @unique @map("session_id")
  userId    String?  @map("user_id") @db.Uuid
  status    QrStatus @default(PENDING)
  qrData    String?  @map("qr_data")
  deviceInfo String? @map("device_info")
  expiresAt DateTime @map("expires_at")
  createdAt DateTime @default(now()) @map("created_at")
  confirmedAt DateTime? @map("confirmed_at")

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

  @@map("qr_sessions")
}

model AuditLog {
  id        String   @id @default(uuid()) @db.Uuid
  userId    String?  @map("user_id") @db.Uuid
  action    String
  details   Json?
  ip        String?
  userAgent String?  @map("user_agent")
  createdAt DateTime @default(now()) @map("created_at")

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

  @@map("audit_logs")
}