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

datasource db {
  provider   = "postgresql"
  url        = env("DATABASE_URL")
  extensions = [pgvector(map: "vector")]
}

model User {
  id              String    @id @default(uuid()) @db.VarChar
  name            String    @db.VarChar
  email           String    @unique @db.VarChar
  emailVerifiedAt DateTime? @map("email_verified") @db.Timestamptz(3)
  avatarUrl       String?   @map("avatar_url") @db.VarChar
  createdAt       DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  /// 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)
  disabled        Boolean   @default(false)

  features              UserFeature[]
  userStripeCustomer    UserStripeCustomer?
  workspacePermissions  WorkspaceUserRole[]
  docPermissions        WorkspaceDocUserRole[]
  connectedAccounts     ConnectedAccount[]
  sessions              UserSession[]
  aiSessions            AiSession[]
  updatedRuntimeConfigs RuntimeConfig[]
  userSnapshots         UserSnapshot[]
  createdSnapshot       Snapshot[]             @relation("createdSnapshot")
  updatedSnapshot       Snapshot[]             @relation("updatedSnapshot")
  createdUpdate         Update[]               @relation("createdUpdate")
  createdHistory        SnapshotHistory[]      @relation("createdHistory")
  createdAiJobs         AiJobs[]               @relation("createdAiJobs")
  // receive notifications
  notifications         Notification[]         @relation("user_notifications")
  settings              UserSettings?

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

model ConnectedAccount {
  id                String    @id @default(uuid()) @db.VarChar
  userId            String    @map("user_id") @db.VarChar
  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(3)
  createdAt         DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt         DateTime  @updatedAt @map("updated_at") @db.Timestamptz(3)

  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
  createdAt    DateTime      @default(now()) @map("created_at") @db.Timestamptz(3)
  userSessions UserSession[]

  // @deprecated use [UserSession.expiresAt]
  deprecated_expiresAt DateTime? @map("expires_at") @db.Timestamptz(3)

  @@map("multiple_users_sessions")
}

model UserSession {
  id        String    @id @default(uuid()) @db.VarChar
  sessionId String    @map("session_id") @db.VarChar
  userId    String    @map("user_id") @db.VarChar
  expiresAt DateTime? @map("expires_at") @db.Timestamptz(3)
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)

  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
  type       Int      @db.SmallInt
  credential String?  @db.Text
  expiresAt  DateTime @db.Timestamptz(3)

  @@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(3)
  // workspace level feature flags
  enableAi         Boolean  @default(true) @map("enable_ai")
  enableUrlPreview Boolean  @default(false) @map("enable_url_preview")
  name             String?  @db.VarChar
  avatarKey        String?  @map("avatar_key") @db.VarChar

  features       WorkspaceFeature[]
  docs           WorkspaceDoc[]
  permissions    WorkspaceUserRole[]
  docPermissions WorkspaceDocUserRole[]
  blobs          Blob[]

  @@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 business logic.
model WorkspaceDoc {
  workspaceId String  @map("workspace_id") @db.VarChar
  docId       String  @map("page_id") @db.VarChar
  public      Boolean @default(false)
  // Workspace user's default role in this page, default is `Manager`
  defaultRole Int     @default(30) @db.SmallInt
  // Page/Edgeless
  mode        Int     @default(0) @db.SmallInt
  // Whether the doc is blocked
  blocked     Boolean @default(false)
  title       String? @db.VarChar
  summary     String? @db.VarChar

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

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

enum WorkspaceMemberStatus {
  Pending // 1. old state accepted = false
  NeedMoreSeat // 2.1 for team: workspace owner need to buy more seat
  NeedMoreSeatAndReview // 2.2 for team: workspace owner need to buy more seat and member need review
  UnderReview // 3. for team: member is under review
  Accepted // 4. old state accepted = true
}

model WorkspaceUserRole {
  id          String                @id @default(uuid()) @db.VarChar
  workspaceId String                @map("workspace_id") @db.VarChar
  userId      String                @map("user_id") @db.VarChar
  // Workspace Role, Owner/Admin/Collaborator/External
  type        Int                   @db.SmallInt
  /// @deprecated Whether the permission invitation is accepted by the user
  accepted    Boolean               @default(false)
  /// Whether the invite status of the workspace member
  status      WorkspaceMemberStatus @default(Pending)
  createdAt   DateTime              @default(now()) @map("created_at") @db.Timestamptz(3)
  /// When the invite status changed
  updatedAt   DateTime              @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(3)

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

  @@unique([workspaceId, userId])
  // optimize for querying user's workspace permissions
  @@index(userId)
  @@map("workspace_user_permissions")
}

model WorkspaceDocUserRole {
  workspaceId String   @map("workspace_id") @db.VarChar
  docId       String   @map("page_id") @db.VarChar
  userId      String   @map("user_id") @db.VarChar
  // External/Reader/Editor/Manager/Owner
  type        Int      @db.SmallInt
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(3)

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

  @@id([workspaceId, docId, userId])
  @@map("workspace_page_user_permissions")
}

model Feature {
  id                Int      @id @default(autoincrement())
  name              String   @map("feature") @db.VarChar
  configs           Json     @default("{}") @db.Json
  createdAt         DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt         DateTime @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(3)
  /// TODO(@forehalo): remove in the coming version
  /// @deprecated
  /// we don't need to record all the historical version of features
  deprecatedVersion Int      @default(0) @map("version") @db.Integer
  /// @deprecated
  /// we don't need to record type of features any more, there are always static,
  /// but set it in `WorkspaceFeature` and `UserFeature` for fast query with just a little redundant.
  deprecatedType    Int      @default(0) @map("type") @db.Integer

  userFeatures      UserFeature[]
  workspaceFeatures WorkspaceFeature[]

  @@unique([name, deprecatedVersion])
  @@map("features")
}

model UserFeature {
  id        Int       @id @default(autoincrement())
  userId    String    @map("user_id") @db.VarChar
  featureId Int       @map("feature_id") @db.Integer
  // it should be typed as `optional` in the codebase, but we would keep all values exists during data migration.
  // so it's safe to assert it a non-null value.
  name      String    @default("") @map("name") @db.VarChar
  // a little redundant, but fast the queries
  type      Int       @default(0) @map("type") @db.Integer
  reason    String    @db.VarChar
  createdAt DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  expiredAt DateTime? @map("expired_at") @db.Timestamptz(3)
  activated Boolean   @default(false)

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

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

model WorkspaceFeature {
  id          Int       @id @default(autoincrement())
  workspaceId String    @map("workspace_id") @db.VarChar
  featureId   Int       @map("feature_id") @db.Integer
  // it should be typed as `optional` in the codebase, but we would keep all values exists during data migration.
  // so it's safe to assert it a non-null value.
  name        String    @default("") @map("name") @db.VarChar
  // a little redundant, but fast the queries
  type        Int       @default(0) @map("type") @db.Integer
  /// overrides for the default feature configs
  configs     Json      @default("{}") @db.Json
  reason      String    @db.VarChar
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  activated   Boolean   @default(false)
  expiredAt   DateTime? @map("expired_at") @db.Timestamptz(3)

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

  @@index([workspaceId])
  @@index([name])
  @@index([featureId])
  @@map("workspace_features")
}

// 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
  state       Bytes?   @db.ByteA
  createdAt   DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  // 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(3)
  createdBy   String?  @map("created_by") @db.VarChar
  updatedBy   String?  @map("updated_by") @db.VarChar

  // should not delete origin snapshot even if user is deleted
  // we only delete the snapshot if the workspace is deleted
  createdByUser User? @relation(name: "createdSnapshot", fields: [createdBy], references: [id], onDelete: SetNull)
  updatedByUser User? @relation(name: "updatedSnapshot", fields: [updatedBy], references: [id], onDelete: SetNull)

  // @deprecated use updatedAt only
  seq Int? @default(0) @db.Integer

  // we need to clear all hanging updates and snapshots before enable the foreign key on workspaceId
  // workspace Workspace @relation(fields: [workspaceId], references: [id], onDelete: Cascade)

  embedding AiWorkspaceEmbedding?

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

// user snapshots are special snapshots for user storage like personal app settings, distinguished from workspace snapshots
// basically they share the same structure with workspace snapshots
// but for convenience, we don't fork the updates queue and history for user snapshots, until we have to
// which means all operation on user snapshot will happen in-pace
model UserSnapshot {
  userId    String   @map("user_id") @db.VarChar
  id        String   @map("id") @db.VarChar
  blob      Bytes    @db.ByteA
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)

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

  @@id([userId, id])
  @@map("user_snapshots")
}

model Update {
  workspaceId String   @map("workspace_id") @db.VarChar
  id          String   @map("guid") @db.VarChar
  blob        Bytes    @db.ByteA
  createdAt   DateTime @map("created_at") @db.Timestamptz(3)
  createdBy   String?  @map("created_by") @db.VarChar

  // will delete creator record if creator's account is deleted
  createdByUser User? @relation(name: "createdUpdate", fields: [createdBy], references: [id], onDelete: SetNull)

  // @deprecated use createdAt only
  seq Int? @db.Integer

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

model SnapshotHistory {
  workspaceId String   @map("workspace_id") @db.VarChar
  id          String   @map("guid") @db.VarChar
  timestamp   DateTime @db.Timestamptz(3)
  blob        Bytes    @db.ByteA
  state       Bytes?   @db.ByteA
  expiredAt   DateTime @map("expired_at") @db.Timestamptz(3)
  createdBy   String?  @map("created_by") @db.VarChar

  // will delete creator record if creator's account is deleted
  createdByUser User? @relation(name: "createdHistory", fields: [createdBy], references: [id], onDelete: SetNull)

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

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(3)

  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
  config    Json?    @db.Json
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @default(now()) @map("updated_at") @db.Timestamptz(3)
  // whether the prompt is modified by the admin panel
  modified  Boolean  @default(false)

  messages AiPromptMessage[]
  sessions AiSession[]

  @@map("ai_prompts_metadata")
}

model AiSessionMessage {
  id          String       @id @default(uuid()) @db.VarChar
  sessionId   String       @map("session_id") @db.VarChar
  role        AiPromptRole
  content     String       @db.Text
  attachments Json?        @db.Json
  params      Json?        @db.Json
  createdAt   DateTime     @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt   DateTime     @updatedAt @map("updated_at") @db.Timestamptz(3)

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

  @@index([sessionId])
  @@map("ai_sessions_messages")
}

model AiSession {
  id              String    @id @default(uuid()) @db.VarChar
  userId          String    @map("user_id") @db.VarChar
  workspaceId     String    @map("workspace_id") @db.VarChar
  docId           String    @map("doc_id") @db.VarChar
  promptName      String    @map("prompt_name") @db.VarChar(32)
  // the session id of the parent session if this session is a forked session
  parentSessionId String?   @map("parent_session_id") @db.VarChar
  messageCost     Int       @default(0)
  tokenCost       Int       @default(0)
  createdAt       DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  deletedAt       DateTime? @map("deleted_at") @db.Timestamptz(3)

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

  @@index([userId])
  @@index([userId, workspaceId])
  @@map("ai_sessions_metadata")
}

model AiContext {
  id        String @id @default(uuid()) @db.VarChar
  sessionId String @map("session_id") @db.VarChar
  config    Json   @db.Json

  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)

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

  @@map("ai_contexts")
}

model AiContextEmbedding {
  id        String                     @id @default(uuid()) @db.VarChar
  contextId String                     @map("context_id") @db.VarChar
  fileId    String                     @map("file_id") @db.VarChar
  // a file can be divided into multiple chunks and embedded separately.
  chunk     Int                        @db.Integer
  content   String                     @db.VarChar
  embedding Unsupported("vector(1024)")

  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)

  context AiContext @relation(fields: [contextId], references: [id], onDelete: Cascade)

  @@unique([contextId, fileId, chunk])
  @@index([embedding], map: "ai_context_embeddings_idx")
  @@map("ai_context_embeddings")
}

model AiWorkspaceEmbedding {
  workspaceId String                     @map("workspace_id") @db.VarChar
  docId       String                     @map("doc_id") @db.VarChar
  // a doc can be divided into multiple chunks and embedded separately.
  chunk       Int                        @db.Integer
  content     String                     @db.VarChar
  embedding   Unsupported("vector(1024)")

  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)

  // workspace level search not available for non-cloud workspaces
  // so we can match this record with the snapshot one by one
  snapshot Snapshot @relation(fields: [workspaceId, docId], references: [workspaceId, id], onDelete: Cascade)

  @@id([workspaceId, docId])
  @@unique([workspaceId, docId, chunk])
  @@index([embedding], map: "ai_workspace_embeddings_idx")
  @@map("ai_workspace_embeddings")
}

enum AiJobStatus {
  pending
  running
  finished
  claimed
  failed
}

enum AiJobType {
  transcription
}

model AiJobs {
  id          String      @id @default(uuid()) @db.VarChar
  workspaceId String      @map("workspace_id") @db.VarChar
  blobId      String      @map("blob_id") @db.VarChar
  createdBy   String?     @map("created_by") @db.VarChar
  // job type, like "transcription"
  type        AiJobType
  status      AiJobStatus @default(pending)
  // job result
  payload     Json        @db.Json

  startedAt  DateTime  @default(now()) @map("started_at") @db.Timestamptz(3)
  finishedAt DateTime? @map("finished_at") @db.Timestamptz(3)

  // will delete creator record if creator's account is deleted
  createdByUser User? @relation(name: "createdAiJobs", fields: [createdBy], references: [id], onDelete: SetNull)

  @@unique([workspaceId, blobId])
  @@index([createdBy, workspaceId, blobId])
  @@map("ai_jobs")
}

model DataMigration {
  id         String    @id @default(uuid()) @db.VarChar
  name       String    @unique @db.VarChar
  startedAt  DateTime  @default(now()) @map("started_at") @db.Timestamptz(3)
  finishedAt DateTime? @map("finished_at") @db.Timestamptz(3)

  @@map("_data_migrations")
}

enum RuntimeConfigType {
  String
  Number
  Boolean
  Object
  Array
}

model RuntimeConfig {
  id            String            @id @db.VarChar
  type          RuntimeConfigType
  module        String            @db.VarChar
  key           String            @db.VarChar
  value         Json              @db.Json
  description   String            @db.Text
  updatedAt     DateTime          @updatedAt @map("updated_at") @db.Timestamptz(3)
  deletedAt     DateTime?         @map("deleted_at") @db.Timestamptz(3)
  lastUpdatedBy String?           @map("last_updated_by") @db.VarChar

  lastUpdatedByUser User? @relation(fields: [lastUpdatedBy], references: [id])

  @@unique([module, key])
  @@map("app_runtime_settings")
}

model DeprecatedUserSubscription {
  id                   Int       @id @default(autoincrement()) @db.Integer
  userId               String    @map("user_id") @db.VarChar
  plan                 String    @db.VarChar(20)
  // yearly/monthly/lifetime
  recurring            String    @db.VarChar(20)
  // onetime subscription or anything else
  variant              String?   @db.VarChar(20)
  // subscription.id, null for lifetime payment or one time payment subscription
  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(3)
  // subscription.current_period_end, null for lifetime payment
  end                  DateTime? @map("end") @db.Timestamptz(3)
  // subscription.billing_cycle_anchor
  nextBillAt           DateTime? @map("next_bill_at") @db.Timestamptz(3)
  // subscription.canceled_at
  canceledAt           DateTime? @map("canceled_at") @db.Timestamptz(3)
  // subscription.trial_start
  trialStart           DateTime? @map("trial_start") @db.Timestamptz(3)
  // subscription.trial_end
  trialEnd             DateTime? @map("trial_end") @db.Timestamptz(3)
  stripeScheduleId     String?   @map("stripe_schedule_id") @db.VarChar

  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)

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

model DeprecatedUserInvoice {
  id               Int      @id @default(autoincrement()) @db.Integer
  userId           String   @map("user_id") @db.VarChar
  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)
  createdAt        DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt        DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)
  // billing reason
  reason           String?  @db.VarChar
  lastPaymentError String?  @map("last_payment_error") @db.Text
  // stripe hosted invoice link
  link             String?  @db.Text

  // @deprecated
  plan      String? @db.VarChar(20)
  // @deprecated
  recurring String? @db.VarChar(20)

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

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(3)

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

  @@map("user_stripe_customers")
}

model Subscription {
  id                   Int       @id @default(autoincrement()) @db.Integer
  targetId             String    @map("target_id") @db.VarChar
  plan                 String    @db.VarChar(20)
  // yearly/monthly/lifetime
  recurring            String    @db.VarChar(20)
  // onetime subscription or anything else
  variant              String?   @db.VarChar(20)
  quantity             Int       @default(1) @db.Integer
  // subscription.id, null for lifetime payment or one time payment subscription
  stripeSubscriptionId String?   @unique @map("stripe_subscription_id")
  // stripe schedule id
  stripeScheduleId     String?   @map("stripe_schedule_id") @db.VarChar
  // subscription.status, active/past_due/canceled/unpaid...
  status               String    @db.VarChar(20)
  // subscription.current_period_start
  start                DateTime  @map("start") @db.Timestamptz(3)
  // subscription.current_period_end, null for lifetime payment
  end                  DateTime? @map("end") @db.Timestamptz(3)
  // subscription.billing_cycle_anchor
  nextBillAt           DateTime? @map("next_bill_at") @db.Timestamptz(3)
  // subscription.canceled_at
  canceledAt           DateTime? @map("canceled_at") @db.Timestamptz(3)
  // subscription.trial_start
  trialStart           DateTime? @map("trial_start") @db.Timestamptz(3)
  // subscription.trial_end
  trialEnd             DateTime? @map("trial_end") @db.Timestamptz(3)
  createdAt            DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt            DateTime  @updatedAt @map("updated_at") @db.Timestamptz(3)

  @@unique([targetId, plan])
  @@map("subscriptions")
}

model Invoice {
  stripeInvoiceId             String   @id @map("stripe_invoice_id")
  targetId                    String   @map("target_id") @db.VarChar
  currency                    String   @db.VarChar(3)
  // CNY 12.50 stored as 1250
  amount                      Int      @db.Integer
  status                      String   @db.VarChar(20)
  createdAt                   DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt                   DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)
  // billing reason
  reason                      String?  @db.VarChar
  lastPaymentError            String?  @map("last_payment_error") @db.Text
  // stripe hosted invoice link
  link                        String?  @db.Text
  // whether the onetime subscription has been redeemed
  onetimeSubscriptionRedeemed Boolean  @default(false) @map("onetime_subscription_redeemed")

  @@index([targetId])
  @@map("invoices")
}

model License {
  key         String    @id @map("key") @db.VarChar
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  revealedAt  DateTime? @map("revealed_at") @db.Timestamptz(3)
  installedAt DateTime? @map("installed_at") @db.Timestamptz(3)
  validateKey String?   @map("validate_key") @db.VarChar

  @@map("licenses")
}

model InstalledLicense {
  key         String    @id @map("key") @db.VarChar
  workspaceId String    @unique @map("workspace_id") @db.VarChar
  quantity    Int       @default(1) @db.Integer
  recurring   String    @db.VarChar
  installedAt DateTime  @default(now()) @map("installed_at") @db.Timestamptz(3)
  validateKey String    @map("validate_key") @db.VarChar
  validatedAt DateTime  @map("validated_at") @db.Timestamptz(3)
  expiredAt   DateTime? @map("expired_at") @db.Timestamptz(3)

  @@map("installed_licenses")
}

// Blob table only exists for fast non-data queries.
// like, total size of blobs in a workspace, or blob list for sync service.
// it should only be a map of metadata of blobs stored anywhere else
model Blob {
  workspaceId String    @map("workspace_id") @db.VarChar
  key         String    @db.VarChar
  size        Int       @db.Integer
  mime        String    @db.VarChar
  createdAt   DateTime  @default(now()) @map("created_at") @db.Timestamptz(3)
  deletedAt   DateTime? @map("deleted_at") @db.Timestamptz(3)

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

  @@id([workspaceId, key])
  @@map("blobs")
}

enum NotificationType {
  Mention
  Invitation
  InvitationAccepted
  InvitationBlocked
  InvitationRejected
  InvitationReviewRequest
  InvitationReviewApproved
  InvitationReviewDeclined
}

enum NotificationLevel {
  // Makes a sound and appears as a heads-up notification
  High
  // Makes a sound
  Default
  // Makes no sound
  Low
  Min
  None
}

model Notification {
  id        String            @id @default(uuid()) @db.VarChar
  userId    String            @map("user_id") @db.VarChar
  createdAt DateTime          @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime          @default(now()) @updatedAt @map("updated_at") @db.Timestamptz(3)
  level     NotificationLevel
  read      Boolean           @default(false)
  type      NotificationType
  body      Json              @db.JsonB

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

  // for user notifications list, including read and unread, ordered by createdAt
  @@index([userId, createdAt, read])
  @@map("notifications")
}

model UserSettings {
  userId    String   @id @map("user_id") @db.VarChar
  createdAt DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
  updatedAt DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)
  payload   Json     @db.JsonB

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

  @@map("user_settings")
}