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

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

model User {
  id                     String                  @id @default(uuid())
  email                  String                  @unique
  passwordHash           String
  fullName               String?
  phone                  String?
  companyName            String?
  addressLine1           String?
  addressLine2           String?
  city                   String?
  state                  String?
  postalCode             String?
  country                String?
  emailVerified          Boolean                 @default(false)
  twoFactorEnabled       Boolean                 @default(false)
  twoFactorSecret        String?
  createdAt              DateTime                @default(now())
  updatedAt              DateTime                @updatedAt

  accounts               Account[]
  rules                  Rule[]
  exports                ExportLog[]
  auditLogs              AuditLog[]
  googleConnection       GoogleConnection?
  emailVerificationToken EmailVerificationToken?
  passwordResetTokens    PasswordResetToken[]
  refreshTokens          RefreshToken[]
  subscription           Subscription?
  taxReturns             TaxReturn[]
}

model Account {
  id               String           @id @default(uuid())
  userId           String
  institutionName  String
  accountType      String
  mask             String?
  plaidAccessToken String?
  plaidItemId      String?
  plaidAccountId   String?          @unique
  currentBalance   Decimal?
  availableBalance Decimal?
  isoCurrencyCode  String?
  lastBalanceSync  DateTime?
  isActive         Boolean          @default(true)
  createdAt        DateTime         @default(now())
  updatedAt        DateTime         @updatedAt

  user             User             @relation(fields: [userId], references: [id])
  transactionsRaw  TransactionRaw[]
}

model TransactionRaw {
  id                String              @id @default(uuid())
  accountId         String
  bankTransactionId String              @unique
  date              DateTime
  amount            Decimal
  description       String
  rawPayload        Json
  ingestedAt        DateTime            @default(now())
  source            String

  account           Account             @relation(fields: [accountId], references: [id])
  derived           TransactionDerived?
  ruleExecutions    RuleExecution[]
}

model TransactionDerived {
  id               String         @id @default(uuid())
  rawTransactionId String         @unique
  userCategory     String?
  userNotes        String?
  isHidden         Boolean        @default(false)
  modifiedAt       DateTime       @default(now())
  modifiedBy       String

  raw              TransactionRaw @relation(fields: [rawTransactionId], references: [id])
}

model Rule {
  id         String          @id @default(uuid())
  userId     String
  name       String
  priority   Int
  conditions Json
  actions    Json
  isActive   Boolean         @default(true)
  createdAt  DateTime        @default(now())

  user       User            @relation(fields: [userId], references: [id])
  executions RuleExecution[]
}

model RuleExecution {
  id            String         @id @default(uuid())
  ruleId        String
  transactionId String
  executedAt    DateTime       @default(now())
  result        Json

  rule          Rule           @relation(fields: [ruleId], references: [id])
  transaction   TransactionRaw @relation(fields: [transactionId], references: [id])
}

model ExportLog {
  id        String   @id @default(uuid())
  userId    String
  filters   Json
  rowCount  Int
  createdAt DateTime @default(now())

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

model AuditLog {
  id        String   @id @default(uuid())
  userId    String
  action    String
  metadata  Json
  createdAt DateTime @default(now())

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

model GoogleConnection {
  id            String    @id @default(uuid())
  userId        String    @unique
  googleEmail   String
  refreshToken  String
  accessToken   String?
  spreadsheetId String?
  isConnected   Boolean   @default(true)
  connectedAt   DateTime  @default(now())
  lastSyncedAt  DateTime?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt

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

model EmailVerificationToken {
  id        String   @id @default(uuid())
  userId    String   @unique
  token     String   @unique
  expiresAt DateTime
  createdAt DateTime @default(now())

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

model PasswordResetToken {
  id        String    @id @default(uuid())
  userId    String
  token     String    @unique
  expiresAt DateTime
  usedAt    DateTime?
  createdAt DateTime  @default(now())

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

model RefreshToken {
  id        String    @id @default(uuid())
  userId    String
  tokenHash String    @unique
  expiresAt DateTime
  revokedAt DateTime?
  createdAt DateTime  @default(now())

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

model Subscription {
  id                String    @id @default(uuid())
  userId            String    @unique
  plan              String    @default("free")
  stripeCustomerId  String?
  stripeSubId       String?
  currentPeriodEnd  DateTime?
  cancelAtPeriodEnd Boolean   @default(false)
  createdAt         DateTime  @default(now())
  updatedAt         DateTime  @updatedAt

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

model TaxReturn {
  id            String        @id @default(uuid())
  userId        String
  taxYear       Int
  filingType    String
  jurisdictions Json
  status        String        @default("draft")
  summary       Json          @default("{}")
  createdAt     DateTime      @default(now())
  updatedAt     DateTime      @updatedAt

  user          User          @relation(fields: [userId], references: [id])
  documents     TaxDocument[]
}

model TaxDocument {
  id          String    @id @default(uuid())
  taxReturnId String
  docType     String
  metadata    Json      @default("{}")
  createdAt   DateTime  @default(now())

  taxReturn   TaxReturn @relation(fields: [taxReturnId], references: [id], onDelete: Cascade)
}