generator client {
  provider        = "prisma-client-js"
  binaryTargets   = ["native", "debian-openssl-3.0.x", "linux-arm64-openssl-3.0.x"]
  previewFeatures = ["metrics", "tracing", "relationJoins", "nativeDistinct"]
}

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

model User {
  id              String    @id @default(uuid()) @db.VarChar
  name            String
  email           String    @unique
  emailVerifiedAt DateTime? @map("email_verified")
  avatarUrl       String?   @map("avatar_url") @db.VarChar
  createdAt       DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  /// Not available if user signed up through OAuth providers
  password        String?   @db.VarChar
  /// Indicate whether the user finished the signup progress.
  /// for example, the value will be false if user never registered and invited into a workspace by others.
  registered      Boolean   @default(true)

  features             UserFeatures[]
  customer             UserStripeCustomer?
  subscriptions        UserSubscription[]
  invoices             UserInvoice[]
  workspacePermissions WorkspaceUserPermission[]
  pagePermissions      WorkspacePageUserPermission[]
  connectedAccounts    ConnectedAccount[]
  sessions             UserSession[]
  aiSessions           AiSession[]

  @@index([email])
  @@map("users")
}

model ConnectedAccount {
  id                String    @id @default(uuid()) @db.VarChar(36)
  userId            String    @map("user_id") @db.VarChar(36)
  provider          String    @db.VarChar
  providerAccountId String    @map("provider_account_id") @db.VarChar
  scope             String?   @db.Text
  accessToken       String?   @map("access_token") @db.Text
  refreshToken      String?   @map("refresh_token") @db.Text
  expiresAt         DateTime? @map("expires_at") @db.Timestamptz(6)
  createdAt         DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt         DateTime  @updatedAt @map("updated_at") @db.Timestamptz(6)

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

  @@index([userId])
  @@index([providerAccountId])
  @@map("user_connected_accounts")
}

model Session {
  id        String    @id @default(uuid()) @db.VarChar(36)
  expiresAt DateTime? @map("expires_at") @db.Timestamptz(6)
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)

  userSessions UserSession[]

  @@map("multiple_users_sessions")
}

model UserSession {
  id        String    @id @default(uuid()) @db.VarChar(36)
  sessionId String    @map("session_id") @db.VarChar(36)
  userId    String    @map("user_id") @db.VarChar(36)
  expiresAt DateTime? @map("expires_at") @db.Timestamptz(6)
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)

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

  @@unique([sessionId, userId])
  @@map("user_sessions")
}

model VerificationToken {
  token      String   @db.VarChar(36)
  type       Int      @db.SmallInt
  credential String?  @db.Text
  expiresAt  DateTime @db.Timestamptz(6)

  @@unique([type, token])
  @@map("verification_tokens")
}

model Workspace {
  id        String   @id @default(uuid()) @db.VarChar
  public    Boolean
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  pages           WorkspacePage[]
  permissions     WorkspaceUserPermission[]
  pagePermissions WorkspacePageUserPermission[]
  features        WorkspaceFeatures[]

  @@map("workspaces")
}

// Table for workspace page meta data
// NOTE:
//   We won't make sure every page has a corresponding record in this table.
//   Only the ones that have ever changed will have records here,
//   and for others we will make sure it's has a default value return in our bussiness logic.
model WorkspacePage {
  workspaceId String  @map("workspace_id") @db.VarChar(36)
  pageId      String  @map("page_id") @db.VarChar(36)
  public      Boolean @default(false)
  // Page/Edgeless
  mode        Int     @default(0) @db.SmallInt

  workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)

  @@id([workspaceId, pageId])
  @@map("workspace_pages")
}

// @deprecated, use WorkspaceUserPermission
model DeprecatedUserWorkspacePermission {
  id          String   @id @default(uuid()) @db.VarChar
  workspaceId String   @map("workspace_id") @db.VarChar
  subPageId   String?  @map("sub_page_id") @db.VarChar
  userId      String?  @map("entity_id") @db.VarChar
  /// Read/Write/Admin/Owner
  type        Int      @db.SmallInt
  /// Whether the permission invitation is accepted by the user
  accepted    Boolean  @default(false)
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  @@unique([workspaceId, subPageId, userId])
  @@map("user_workspace_permissions")
}

model WorkspaceUserPermission {
  id          String   @id @default(uuid()) @db.VarChar(36)
  workspaceId String   @map("workspace_id") @db.VarChar(36)
  userId      String   @map("user_id") @db.VarChar(36)
  // Read/Write
  type        Int      @db.SmallInt
  /// Whether the permission invitation is accepted by the user
  accepted    Boolean  @default(false)
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

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

  @@unique([workspaceId, userId])
  @@map("workspace_user_permissions")
}

model WorkspacePageUserPermission {
  id          String   @id @default(uuid()) @db.VarChar(36)
  workspaceId String   @map("workspace_id") @db.VarChar(36)
  pageId      String   @map("page_id") @db.VarChar(36)
  userId      String   @map("user_id") @db.VarChar(36)
  // Read/Write
  type        Int      @db.SmallInt
  /// Whether the permission invitation is accepted by the user
  accepted    Boolean  @default(false)
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

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

  @@unique([workspaceId, pageId, userId])
  @@map("workspace_page_user_permissions")
}

// feature gates is a way to enable/disable features for a user
// for example:
// - early access is a feature that allow some users to access the insider version
// - pro plan is a quota that allow some users access to more resources after they pay
model UserFeatures {
  id        Int    @id @default(autoincrement())
  userId    String @map("user_id") @db.VarChar(36)
  featureId Int    @map("feature_id") @db.Integer

  // we will record the reason why the feature is enabled/disabled
  // for example:
  // - pro_plan_v1: "user buy the pro plan"
  reason    String    @db.VarChar
  // record the quota enabled time
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  // record the quota expired time, pay plan is a subscription, so it will expired
  expiredAt DateTime? @map("expired_at") @db.Timestamptz(6)
  // whether the feature is activated
  // for example:
  // - if we switch the user to another plan, we will set the old plan to deactivated, but dont delete it
  activated Boolean   @default(false)

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

  @@index([userId])
  @@map("user_features")
}

// feature gates is a way to enable/disable features for a workspace
// for example:
// - copilet is a feature that allow some users in a workspace to access the copilet feature
model WorkspaceFeatures {
  id          Int    @id @default(autoincrement())
  workspaceId String @map("workspace_id") @db.VarChar(36)
  featureId   Int    @map("feature_id") @db.Integer

  // we will record the reason why the feature is enabled/disabled
  // for example:
  // - copilet_v1: "owner buy the copilet feature package"
  reason    String    @db.VarChar
  // record the feature enabled time
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  // record the quota expired time, pay plan is a subscription, so it will expired
  expiredAt DateTime? @map("expired_at") @db.Timestamptz(6)
  // whether the feature is activated
  // for example:
  // - if owner unsubscribe a feature package, we will set the feature to deactivated, but dont delete it
  activated Boolean   @default(false)

  feature   Features  @relation(fields: [featureId], references: [id], onDelete: Cascade)
  workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)

  @@map("workspace_features")
}

model Features {
  id        Int      @id @default(autoincrement())
  feature   String   @db.VarChar
  version   Int      @default(0) @db.Integer
  // 0: feature, 1: quota
  type      Int      @db.Integer
  // configs, define by feature conntroller
  configs   Json     @db.Json
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  UserFeatureGates  UserFeatures[]
  WorkspaceFeatures WorkspaceFeatures[]

  @@unique([feature, version])
  @@map("features")
}

model DeprecatedNextAuthAccount {
  id                String  @id @default(cuid())
  userId            String  @map("user_id")
  type              String
  provider          String
  providerAccountId String  @map("provider_account_id")
  refresh_token     String? @db.Text
  access_token      String? @db.Text
  expires_at        Int?
  token_type        String?
  scope             String?
  id_token          String? @db.Text
  session_state     String?

  @@unique([provider, providerAccountId])
  @@map("accounts")
}

model DeprecatedNextAuthSession {
  id           String   @id @default(cuid())
  sessionToken String   @unique @map("session_token")
  userId       String   @map("user_id")
  expires      DateTime

  @@map("sessions")
}

model DeprecatedNextAuthVerificationToken {
  identifier String
  token      String   @unique
  expires    DateTime

  @@unique([identifier, token])
  @@map("verificationtokens")
}

// deprecated, use [ObjectStorage]
model Blob {
  id          Int       @id @default(autoincrement()) @db.Integer
  hash        String    @db.VarChar
  workspaceId String    @map("workspace_id") @db.VarChar
  blob        Bytes     @db.ByteA
  length      BigInt
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  // not for keeping, but for snapshot history
  deletedAt   DateTime? @map("deleted_at") @db.Timestamptz(6)

  @@unique([workspaceId, hash])
  @@map("blobs")
}

// deprecated, use [ObjectStorage]
model OptimizedBlob {
  id          Int       @id @default(autoincrement()) @db.Integer
  hash        String    @db.VarChar
  workspaceId String    @map("workspace_id") @db.VarChar
  params      String    @db.VarChar
  blob        Bytes     @db.ByteA
  length      BigInt
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  // not for keeping, but for snapshot history
  deletedAt   DateTime? @map("deleted_at") @db.Timestamptz(6)

  @@unique([workspaceId, hash, params])
  @@map("optimized_blobs")
}

// the latest snapshot of each doc that we've seen
// Snapshot + Updates are the latest state of the doc
model Snapshot {
  workspaceId String   @map("workspace_id") @db.VarChar
  id          String   @default(uuid()) @map("guid") @db.VarChar
  blob        Bytes    @db.ByteA
  seq         Int      @default(0) @db.Integer
  state       Bytes?   @db.ByteA
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  // the `updated_at` field will not record the time of record changed,
  // but the created time of last seen update that has been merged into snapshot.
  updatedAt   DateTime @map("updated_at") @db.Timestamptz(6)

  @@id([id, workspaceId])
  @@map("snapshots")
}

model Update {
  workspaceId String   @map("workspace_id") @db.VarChar
  id          String   @map("guid") @db.VarChar
  seq         Int      @db.Integer
  blob        Bytes    @db.ByteA
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  @@id([workspaceId, id, seq])
  @@map("updates")
}

model SnapshotHistory {
  workspaceId String   @map("workspace_id") @db.VarChar(36)
  id          String   @map("guid") @db.VarChar(36)
  timestamp   DateTime @db.Timestamptz(6)
  blob        Bytes    @db.ByteA
  state       Bytes?   @db.ByteA
  expiredAt   DateTime @map("expired_at") @db.Timestamptz(6)

  @@id([workspaceId, id, timestamp])
  @@map("snapshot_histories")
}

model NewFeaturesWaitingList {
  id        String   @id @default(uuid()) @db.VarChar
  email     String   @unique
  type      Int      @db.SmallInt
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  @@map("new_features_waiting_list")
}

model UserStripeCustomer {
  userId           String   @id @map("user_id") @db.VarChar
  stripeCustomerId String   @unique @map("stripe_customer_id") @db.VarChar
  createdAt        DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

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

  @@map("user_stripe_customers")
}

model UserSubscription {
  id                   Int       @id @default(autoincrement()) @db.Integer
  userId               String    @map("user_id") @db.VarChar(36)
  plan                 String    @db.VarChar(20)
  // yearly/monthly
  recurring            String    @db.VarChar(20)
  // subscription.id
  stripeSubscriptionId String    @unique @map("stripe_subscription_id")
  // subscription.status, active/past_due/canceled/unpaid...
  status               String    @db.VarChar(20)
  // subscription.current_period_start
  start                DateTime  @map("start") @db.Timestamptz(6)
  // subscription.current_period_end
  end                  DateTime  @map("end") @db.Timestamptz(6)
  // subscription.billing_cycle_anchor
  nextBillAt           DateTime? @map("next_bill_at") @db.Timestamptz(6)
  // subscription.canceled_at
  canceledAt           DateTime? @map("canceled_at") @db.Timestamptz(6)
  // subscription.trial_start
  trialStart           DateTime? @map("trial_start") @db.Timestamptz(6)
  // subscription.trial_end
  trialEnd             DateTime? @map("trial_end") @db.Timestamptz(6)
  stripeScheduleId     String?   @map("stripe_schedule_id") @db.VarChar

  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(6)
  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@unique([userId, plan])
  @@map("user_subscriptions")
}

model UserInvoice {
  id               Int      @id @default(autoincrement()) @db.Integer
  userId           String   @map("user_id") @db.VarChar(36)
  stripeInvoiceId  String   @unique @map("stripe_invoice_id")
  currency         String   @db.VarChar(3)
  // CNY 12.50 stored as 1250
  amount           Int      @db.Integer
  status           String   @db.VarChar(20)
  plan             String   @db.VarChar(20)
  recurring        String   @db.VarChar(20)
  createdAt        DateTime @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt        DateTime @updatedAt @map("updated_at") @db.Timestamptz(6)
  // billing reason
  reason           String   @db.VarChar
  lastPaymentError String?  @map("last_payment_error") @db.Text
  // stripe hosted invoice link
  link             String?  @db.Text

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

  @@map("user_invoices")
}

enum AiPromptRole {
  system
  assistant
  user
}

model AiPromptMessage {
  promptId    Int          @map("prompt_id") @db.Integer
  // if a group of prompts contains multiple sentences, idx specifies the order of each sentence
  idx         Int          @db.Integer
  // system/assistant/user
  role        AiPromptRole
  // prompt content
  content     String       @db.Text
  attachments Json?        @db.Json
  params      Json?        @db.Json
  createdAt   DateTime     @default(now()) @map("created_at") @db.Timestamptz(6)

  prompt AiPrompt @relation(fields: [promptId], references: [id], onDelete: Cascade)

  @@unique([promptId, idx])
  @@map("ai_prompts_messages")
}

model AiPrompt {
  id        Int      @id @default(autoincrement()) @db.Integer
  name      String   @unique @db.VarChar(32)
  // an mark identifying which view to use to display the session
  // it is only used in the frontend and does not affect the backend
  action    String?  @db.VarChar
  model     String?  @db.VarChar
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(6)

  messages AiPromptMessage[]
  sessions AiSession[]

  @@map("ai_prompts_metadata")
}

model AiSessionMessage {
  id          String       @id @default(uuid()) @db.VarChar(36)
  sessionId   String       @map("session_id") @db.VarChar(36)
  role        AiPromptRole
  content     String       @db.Text
  attachments Json?        @db.Json
  params      Json?        @db.Json
  createdAt   DateTime     @default(now()) @map("created_at") @db.Timestamptz(6)
  updatedAt   DateTime     @updatedAt @map("updated_at") @db.Timestamptz(6)

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

  @@map("ai_sessions_messages")
}

model AiSession {
  id          String    @id @default(uuid()) @db.VarChar(36)
  userId      String    @map("user_id") @db.VarChar(36)
  workspaceId String    @map("workspace_id") @db.VarChar(36)
  docId       String    @map("doc_id") @db.VarChar(36)
  promptName  String    @map("prompt_name") @db.VarChar(32)
  messageCost Int       @default(0)
  tokenCost   Int       @default(0)
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(6)
  deletedAt   DateTime? @map("deleted_at") @db.Timestamptz(6)

  user     User               @relation(fields: [userId], references: [id], onDelete: Cascade)
  prompt   AiPrompt           @relation(fields: [promptName], references: [name], onDelete: Cascade)
  messages AiSessionMessage[]

  @@map("ai_sessions_metadata")
}

model DataMigration {
  id         String    @id @default(uuid()) @db.VarChar(36)
  name       String    @db.VarChar
  startedAt  DateTime  @default(now()) @map("started_at") @db.Timestamptz(6)
  finishedAt DateTime? @map("finished_at") @db.Timestamptz(6)

  @@map("_data_migrations")
}